[INFO] cloning repository https://github.com/trafficland/counter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/trafficland/counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrafficland%2Fcounter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrafficland%2Fcounter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f30d2583eba4922a72b3ec885c831a2cf558067
[INFO] testing trafficland/counter against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrafficland%2Fcounter" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  76% (26/34)
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Updating files: 100% (34/34), done.
[INFO] validating manifest of git repo https://github.com/trafficland/counter on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/trafficland/counter
[INFO] finished tweaking git repo https://github.com/trafficland/counter
[INFO] tweaked toml for git repo https://github.com/trafficland/counter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/trafficland/counter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86d6483e812f86f51b708b951de5b7b1307708cc9789d0d6b37c440d65359339
[INFO] running `Command { std: "docker" "start" "-a" "86d6483e812f86f51b708b951de5b7b1307708cc9789d0d6b37c440d65359339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86d6483e812f86f51b708b951de5b7b1307708cc9789d0d6b37c440d65359339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86d6483e812f86f51b708b951de5b7b1307708cc9789d0d6b37c440d65359339", kill_on_drop: false }`
[INFO] [stdout] 86d6483e812f86f51b708b951de5b7b1307708cc9789d0d6b37c440d65359339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1a29f3e0ba94c66f2db14a358097383705aa0a54a62365949a168c892907d3e
[INFO] running `Command { std: "docker" "start" "-a" "a1a29f3e0ba94c66f2db14a358097383705aa0a54a62365949a168c892907d3e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.22
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling regex-syntax v0.3.9
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling lazy_static v0.2.8
[INFO] [stderr]    Compiling same-file v0.1.3
[INFO] [stderr]    Compiling crossbeam v0.2.10
[INFO] [stderr]    Compiling vec_map v0.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling variance v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.1.2
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling walkdir v1.0.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling scoped-pool v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.34
[INFO] [stderr]    Compiling time v0.1.37
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling num_cpus v1.4.0
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling clap v2.23.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.33
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling elp v2.0.0
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling counter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aggregation_control.rs:24:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
[INFO] [stdout]    |                                       ----^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/file_handling.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!(msg);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!("{}", msg);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     std::panic::panic_any(msg);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
[INFO] [stdout]    |                                                    ----^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.24s
[INFO] running `Command { std: "docker" "inspect" "a1a29f3e0ba94c66f2db14a358097383705aa0a54a62365949a168c892907d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a29f3e0ba94c66f2db14a358097383705aa0a54a62365949a168c892907d3e", kill_on_drop: false }`
[INFO] [stdout] a1a29f3e0ba94c66f2db14a358097383705aa0a54a62365949a168c892907d3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b17de5f0d3619b6b8f4c004439f3f75f212957f7a59059ff6f1f7135fa635e46
[INFO] running `Command { std: "docker" "start" "-a" "b17de5f0d3619b6b8f4c004439f3f75f212957f7a59059ff6f1f7135fa635e46", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling names v0.11.0
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aggregation_control.rs:24:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
[INFO] [stdout]    |                                       ----^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/file_handling.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!(msg);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!("{}", msg);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     std::panic::panic_any(msg);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling counter v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/file_handling.rs:332:40
[INFO] [stdout]     |
[INFO] [stdout] 332 |     static TEST_DIR_SYNC: sync::Once = sync::ONCE_INIT;
[INFO] [stdout]     |                                        ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/record_handling.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | / lazy_static! {
[INFO] [stdout] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stdout] 42 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:96:52
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
[INFO] [stdout]    |                                                    ----^^^^^^^^^
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/file_handling.rs:286:50
[INFO] [stdout]     |
[INFO] [stdout] 286 |                     path.push_str(format!("/{}", NAME_GENERATOR.next()).as_str());
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/file_handling.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         fn next(&mut self) -> String {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/file_handling.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/file_handling.rs:290:50
[INFO] [stdout]     |
[INFO] [stdout] 290 |                 path.push_str(format!("/{}.log", NAME_GENERATOR.next()).as_str());
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/file_handling.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         fn next(&mut self) -> String {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/file_handling.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: taking a mutable reference to a `const` item
[INFO] [stdout]    --> src/file_handling.rs:338:47
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let path = format!("{}/{}", TEST_DIR, NAME_GENERATOR.next());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: each usage of a `const` item creates a new temporary
[INFO] [stdout]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stdout] note: mutable reference created due to call to this method
[INFO] [stdout]    --> src/file_handling.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         fn next(&mut self) -> String {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] note: `const` item defined here
[INFO] [stdout]    --> src/file_handling.rs:360:5
[INFO] [stdout]     |
[INFO] [stdout] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/file_handling.rs:355:23
[INFO] [stdout]     |
[INFO] [stdout] 355 |                 .map(|mut g| g.next().unwrap())
[INFO] [stdout]     |                       ----^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/aggregation_control.rs:24:39
[INFO] [stdout]    |
[INFO] [stdout] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
[INFO] [stdout]    |                                       ----^^^^^^^^^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/file_handling.rs:99:28
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!(msg);
[INFO] [stdout]    |                            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     panic!("{}", msg);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 99 |                     std::panic::panic_any(msg);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "b17de5f0d3619b6b8f4c004439f3f75f212957f7a59059ff6f1f7135fa635e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b17de5f0d3619b6b8f4c004439f3f75f212957f7a59059ff6f1f7135fa635e46", kill_on_drop: false }`
[INFO] [stdout] b17de5f0d3619b6b8f4c004439f3f75f212957f7a59059ff6f1f7135fa635e46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 395e0d61afed5f54c03ab2598d6b2304c025d568c24afe7f6766618cf8b0ab38
[INFO] running `Command { std: "docker" "start" "-a" "395e0d61afed5f54c03ab2598d6b2304c025d568c24afe7f6766618cf8b0ab38", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout] running 19 tests
[INFO] [stderr]   --> src/record_handling.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / lazy_static! {
[INFO] [stderr] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/record_handling.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / lazy_static! {
[INFO] [stderr] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/aggregation_control.rs:24:39
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
[INFO] [stderr]    |                                       ----^^^^^^^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/file_handling.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     panic!(msg);
[INFO] [stderr]    |                            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     panic!("{}", msg);
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     std::panic::panic_any(msg);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/file_handling.rs:332:40
[INFO] [stderr]     |
[INFO] [stderr] 332 |     static TEST_DIR_SYNC: sync::Once = sync::ONCE_INIT;
[INFO] [stderr]     |                                        ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/record_handling.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / lazy_static! {
[INFO] [stderr] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/record_handling.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | / lazy_static! {
[INFO] [stderr] 41 | |     static ref SYSTEM_REGEX: Regex = Regex::new(r"(?i)system=([^&]*)").unwrap();
[INFO] [stderr] 42 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/file_handling.rs:286:50
[INFO] [stderr]     |
[INFO] [stderr] 286 |                     path.push_str(format!("/{}", NAME_GENERATOR.next()).as_str());
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(const_item_mutation)]` on by default
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: mutable reference created due to call to this method
[INFO] [stderr]    --> src/file_handling.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 |         fn next(&mut self) -> String {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/file_handling.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/file_handling.rs:290:50
[INFO] [stderr]     |
[INFO] [stderr] 290 |                 path.push_str(format!("/{}.log", NAME_GENERATOR.next()).as_str());
[INFO] [stderr]     |                                                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: mutable reference created due to call to this method
[INFO] [stderr]    --> src/file_handling.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 |         fn next(&mut self) -> String {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/file_handling.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: taking a mutable reference to a `const` item
[INFO] [stderr]    --> src/file_handling.rs:338:47
[INFO] [stderr]     |
[INFO] [stderr] 338 |         let path = format!("{}/{}", TEST_DIR, NAME_GENERATOR.next());
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: each usage of a `const` item creates a new temporary
[INFO] [stderr]     = note: the mutable reference will refer to this temporary, not the original `const` item
[INFO] [stderr] note: mutable reference created due to call to this method
[INFO] [stderr]    --> src/file_handling.rs:348:9
[INFO] [stderr]     |
[INFO] [stderr] 348 |         fn next(&mut self) -> String {
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] note: `const` item defined here
[INFO] [stderr]    --> src/file_handling.rs:360:5
[INFO] [stderr]     |
[INFO] [stderr] 360 |     const NAME_GENERATOR: NameGenerator = NameGenerator { generator: None };
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/file_handling.rs:355:23
[INFO] [stderr]     |
[INFO] [stderr] 355 |                 .map(|mut g| g.next().unwrap())
[INFO] [stderr]     |                       ----^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/aggregation_control.rs:24:39
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn run_aggregation(&mut self, mut filenames: &mut Vec<PathBuf>) -> FileAggregation {
[INFO] [stderr]    |                                       ----^^^^^^^^^
[INFO] [stderr]    |                                       |
[INFO] [stderr]    |                                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> src/file_handling.rs:99:28
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     panic!(msg);
[INFO] [stderr]    |                            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     panic!("{}", msg);
[INFO] [stderr]    |                            ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 99 |                     std::panic::panic_any(msg);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:96:52
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn run(&mut self, num_file_aggregators: usize, mut filenames: &mut Vec<PathBuf>) -> counter::FileAggregation {
[INFO] [stderr]    |                                                    ----^^^^^^^^^
[INFO] [stderr]    |                                                    |
[INFO] [stderr]    |                                                    help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/counter-723e34168e7baf10)
[INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_returns_when_all_of_the_file_handlers_have_sent_their_aggs ... ok
[INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_a_filename_to_the_correct_file_handler_when_there_is_a_filename ... ok
[INFO] [stdout] test file_handling::file_aggregator_process_file_tests::process_file_should_return_an_error_when_the_file_cannot_be_opened ... ok
[INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_done_msg_to_the_correct_file_handler_when_there_are_no_filenames ... ok
[INFO] [stdout] test aggregation_control::aggregation_controller_unit_tests::run_aggregation_sends_done_msg_to_the_correct_file_handler_after_filenames_are_gone ... ok
[INFO] [stdout] test record_handling::aggregate_record_tests::inserting_two_records_with_the_same_values_increases_the_total_correctly ... ok
[INFO] [stdout] test record_handling::aggregate_record_tests::inserting_two_records_with_different_values_creates_two_entries_each_recorded_once ... ok
[INFO] [stdout] test file_handling::file_aggregator_run_tests::sends_the_final_agg_after_receiving_the_done_message ... ok
[INFO] [stdout] test file_handling::file_aggregator_run_tests::sends_a_next_message_after_starting_up ... ok
[INFO] [stdout] test record_handling::merge_aggregates_tests::merge_aggregates_updates_the_dst_aggs_according_to_the_src_aggs ... ok
[INFO] [stdout] test record_handling::merge_aggregates_tests::merge_aggregates_insert_the_src_aggs_into_dst_aggs_when_dst_aggs_is_empty ... ok
[INFO] [stdout] test file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files ... FAILED
[INFO] [stdout] test file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory ... FAILED
[INFO] [stderr] ""
[INFO] [stdout] test record_handling::handle_parsing_result_tests::handle_parsing_result_should_not_alter_the_dst_agg_when_passed_bad_records ... ok
[INFO] [stdout] test record_handling::handle_parsing_result_tests::handle_parsing_result_should_update_the_dst_agg_when_passed_good_records ... ok
[INFO] [stdout] test record_handling::parse_system_name_tests::parse_system_name_regex_returns_a_none_when_the_system_name_is_not_present ... ok
[INFO] [stdout] test record_handling::parse_system_name_tests::parse_system_name_regex_returns_the_system_name_when_it_exists ... ok
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stdout] test file_handling::file_aggregator_process_file_tests::process_file_should_return_a_result_with_the_correct_number_of_processed_records ... ok
[INFO] [stdout] test file_handling::file_aggregator_read_records::read_records ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files stdout ----
[INFO] [stdout] thread 'file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files' panicked at 'called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }', src/file_handling.rs:296:22
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c03c486f40 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55c03c486f40 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c03c486f40 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c03c486f40 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55c03c4abd7c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55c03c4833f5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55c03c4894db - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55c03c4894db - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55c03c4894db - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55c03c488fec - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55c03c489ba4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55c03c489687 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55c03c48743c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55c03c4895e9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55c03c29c6e1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55c03c29c7d3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x55c03c2aea9e - core::result::Result<T,E>::unwrap::h8fd6f4b647b2b9d1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x55c03c2ca68b - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::{{closure}}::h6f323c1515831554
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:291:25
[INFO] [stdout]   18:     0x55c03c2c95d2 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::{{closure}}::h54527eb0a26f29c8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:322:45
[INFO] [stdout]   19:     0x55c03c2a419c - std::panicking::try::do_call::h1801a0e011190711
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   20:     0x55c03c2a576d - __rust_try
[INFO] [stdout]   21:     0x55c03c2a4054 - std::panicking::try::h8272de2470da46c1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   22:     0x55c03c2cea6e - std::panic::catch_unwind::hdbc00a9bfbdcee4f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   23:     0x55c03c2c9245 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::h100b6a175a0cf0fd
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:322:22
[INFO] [stdout]   24:     0x55c03c2c9e06 - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::h8b2ed88a8da9a217
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:276:9
[INFO] [stdout]   25:     0x55c03c2c9dea - counter::file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files::{{closure}}::h7dcaef15e8b5e830
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:275:5
[INFO] [stdout]   26:     0x55c03c2bec3e - core::ops::function::FnOnce::call_once::hc5015499e5adf6fb
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   27:     0x55c03c300113 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   28:     0x55c03c300113 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   29:     0x55c03c2febd0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   30:     0x55c03c2febd0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x55c03c2febd0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x55c03c2febd0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x55c03c2febd0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x55c03c2febd0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   35:     0x55c03c2febd0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   36:     0x55c03c2d8282 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   37:     0x55c03c2d8282 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   38:     0x55c03c2dbe38 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   39:     0x55c03c2dbe38 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   40:     0x55c03c2dbe38 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   41:     0x55c03c2dbe38 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   42:     0x55c03c2dbe38 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   43:     0x55c03c2dbe38 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   44:     0x55c03c2dbe38 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   45:     0x55c03c48f397 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   46:     0x55c03c48f397 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   47:     0x55c03c48f397 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   48:     0x7fc702d0c609 - start_thread
[INFO] [stdout]   49:     0x7fc702ade293 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] ---- file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory stdout ----
[INFO] [stdout] thread 'file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory' panicked at 'called `Result::unwrap()` on an `Err` value: Error { depth: 0, inner: Io { path: Some("./int_tests/boiling-robin"), err: Os { code: 2, kind: NotFound, message: "No such file or directory" } } }', src/file_handling.rs:310:63
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c03c486f40 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55c03c486f40 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c03c486f40 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55c03c486f40 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55c03c4abd7c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55c03c4833f5 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55c03c4894db - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55c03c4894db - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55c03c4894db - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55c03c488fec - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55c03c489ba4 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55c03c489687 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55c03c48743c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55c03c4895e9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55c03c29c6e1 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55c03c29c7d3 - core::result::unwrap_failed::h6160d2b4bfbb0e87
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1355:5
[INFO] [stdout]   16:     0x55c03c2aecaf - core::result::Result<T,E>::unwrap::hd469f347451ca0d8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/result.rs:1037:23
[INFO] [stdout]   17:     0x55c03c2caa01 - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::{{closure}}::h6504ab474562c4d2
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:310:25
[INFO] [stdout]   18:     0x55c03c2c9662 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::{{closure}}::hfadd05aa575dc401
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:322:45
[INFO] [stdout]   19:     0x55c03c2a41dc - std::panicking::try::do_call::h1c45268a5c66f356
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   20:     0x55c03c2a576d - __rust_try
[INFO] [stdout]   21:     0x55c03c2a4104 - std::panicking::try::hb3f330ebaad8a23a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   22:     0x55c03c2cea3e - std::panic::catch_unwind::h630557653775ac05
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   23:     0x55c03c2c9415 - counter::file_handling::file_list_tests::run_int_test_in_test_dir::h17e2a0f3051a4e4c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:322:22
[INFO] [stdout]   24:     0x55c03c2ca9a6 - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::h21bd974fa64eebe0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:309:9
[INFO] [stdout]   25:     0x55c03c2ca98a - counter::file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory::{{closure}}::h2889db30d2c0a1ba
[INFO] [stdout]                                at /opt/rustwide/workdir/src/file_handling.rs:308:5
[INFO] [stdout]   26:     0x55c03c2becfe - core::ops::function::FnOnce::call_once::he419b79b1a0a9212
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   27:     0x55c03c300113 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   28:     0x55c03c300113 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   29:     0x55c03c2febd0 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   30:     0x55c03c2febd0 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   31:     0x55c03c2febd0 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   32:     0x55c03c2febd0 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   33:     0x55c03c2febd0 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   34:     0x55c03c2febd0 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   35:     0x55c03c2febd0 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   36:     0x55c03c2d8282 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   37:     0x55c03c2d8282 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   38:     0x55c03c2dbe38 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   39:     0x55c03c2dbe38 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   40:     0x55c03c2dbe38 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   41:     0x55c03c2dbe38 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   42:     0x55c03c2dbe38 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   43:     0x55c03c2dbe38 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   44:     0x55c03c2dbe38 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   45:     0x55c03c48f397 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   46:     0x55c03c48f397 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   47:     0x55c03c48f397 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   48:     0x7fc702d0c609 - start_thread
[INFO] [stdout]   49:     0x7fc702ade293 - clone
[INFO] [stdout]   50:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     file_handling::file_list_tests::file_list_should_return_0_when_there_are_no_files_in_the_directory
[INFO] [stdout]     file_handling::file_list_tests::file_list_should_return_the_correct_number_of_files
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 17 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "395e0d61afed5f54c03ab2598d6b2304c025d568c24afe7f6766618cf8b0ab38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "395e0d61afed5f54c03ab2598d6b2304c025d568c24afe7f6766618cf8b0ab38", kill_on_drop: false }`
[INFO] [stdout] 395e0d61afed5f54c03ab2598d6b2304c025d568c24afe7f6766618cf8b0ab38
