[INFO] fetching crate follow 0.1.5...
[INFO] testing follow-0.1.5 against 1.83.0 for beta-1.84.0-4-retry
[INFO] extracting crate follow 0.1.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate follow 0.1.5 on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate follow 0.1.5
[INFO] finished tweaking crates.io crate follow 0.1.5
[INFO] tweaked toml for crates.io crate follow 0.1.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding ansi_term v0.9.0 (available: v0.12.1)
[INFO] [stderr]       Adding chrono v0.3.0 (available: v0.4.39)
[INFO] [stderr]       Adding docopt v0.7.0 (available: v1.1.1)
[INFO] [stderr]       Adding error-chain v0.10.0 (available: v0.12.4)
[INFO] [stderr]       Adding fern v0.3.5 (available: v0.7.0)
[INFO] [stderr]       Adding glob v0.2.11 (available: v0.3.1)
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.22)
[INFO] [stderr]       Adding terminal_size v0.1.17 (available: v0.4.1)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded timebomb v0.1.2
[INFO] [stderr]   Downloaded fern v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9deef8780b5f6d2bafe116d8817f4949de9742d80d5215a13a393a6f7eeb7b6
[INFO] running `Command { std: "docker" "start" "-a" "a9deef8780b5f6d2bafe116d8817f4949de9742d80d5215a13a393a6f7eeb7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9deef8780b5f6d2bafe116d8817f4949de9742d80d5215a13a393a6f7eeb7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9deef8780b5f6d2bafe116d8817f4949de9742d80d5215a13a393a6f7eeb7b6", kill_on_drop: false }`
[INFO] [stdout] a9deef8780b5f6d2bafe116d8817f4949de9742d80d5215a13a393a6f7eeb7b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5fd4e128053ad64c82a49bfdcd2543869287336f5c2586069ba285eb60805aa
[INFO] running `Command { std: "docker" "start" "-a" "f5fd4e128053ad64c82a49bfdcd2543869287336f5c2586069ba285eb60805aa", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.168
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ucd-util v0.1.10
[INFO] [stderr]    Compiling gimli v0.31.1
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling adler2 v2.0.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.24
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.5
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling rustc-serialize v0.3.25
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fern v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling object v0.36.5
[INFO] [stderr]    Compiling time v0.1.45
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.3.0
[INFO] [stderr]    Compiling docopt v0.7.0
[INFO] [stderr]    Compiling addr2line v0.24.2
[INFO] [stderr]    Compiling backtrace v0.3.74
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 &mut buf.bytes[(..)]
[INFO] [stdout]     |                                ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -                 &mut buf.bytes[(..)]
[INFO] [stdout] 147 +                 &mut buf.bytes[..]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout]     |                                ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout] 149 +                 &mut buf.bytes[0..available_size]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 return Ok((cursor..len));
[INFO] [stdout]     |                           ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -                 return Ok((cursor..len));
[INFO] [stdout] 180 +                 return Ok(cursor..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 return Ok((0..len));
[INFO] [stdout]     |                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 return Ok((0..len));
[INFO] [stdout] 189 +                 return Ok(0..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Some((Width(w @ 20 ... 200), _)) => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_verbose` is never read
[INFO] [stdout]   --> src/args.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     arg_path: Vec<String>,
[INFO] [stdout] 20 |     flag_verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_verbose` is never used
[INFO] [stdout]   --> src/args.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Args {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.94s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f5fd4e128053ad64c82a49bfdcd2543869287336f5c2586069ba285eb60805aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5fd4e128053ad64c82a49bfdcd2543869287336f5c2586069ba285eb60805aa", kill_on_drop: false }`
[INFO] [stdout] f5fd4e128053ad64c82a49bfdcd2543869287336f5c2586069ba285eb60805aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cd080c23bd5b272e7d8eadcbb6b75bda7ba6a0e25e9ef8f48e08b28316df032
[INFO] running `Command { std: "docker" "start" "-a" "7cd080c23bd5b272e7d8eadcbb6b75bda7ba6a0e25e9ef8f48e08b28316df032", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling atom v0.3.6
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling pulse v0.5.3
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling time v0.3.37
[INFO] [stderr]    Compiling timebomb v0.1.2
[INFO] [stderr]    Compiling follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]    = note: `#[warn(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stdout]   --> src/args.rs:17:17
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:147:32
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 &mut buf.bytes[(..)]
[INFO] [stdout]     |                                ^  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 147 -                 &mut buf.bytes[(..)]
[INFO] [stdout] 147 +                 &mut buf.bytes[..]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around index expression
[INFO] [stdout]    --> src/worker.rs:149:32
[INFO] [stdout]     |
[INFO] [stdout] 149 |                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout]     |                                ^                 ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 149 -                 &mut buf.bytes[(0..available_size)]
[INFO] [stdout] 149 +                 &mut buf.bytes[0..available_size]
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:180:27
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 return Ok((cursor..len));
[INFO] [stdout]     |                           ^           ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 180 -                 return Ok((cursor..len));
[INFO] [stdout] 180 +                 return Ok(cursor..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:189:27
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 return Ok((0..len));
[INFO] [stdout]     |                           ^      ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 189 -                 return Ok((0..len));
[INFO] [stdout] 189 +                 return Ok(0..len);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/worker.rs:658:46
[INFO] [stdout]     |
[INFO] [stdout] 658 |             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stdout]     |                                              ^                                ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 658 -             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stdout] 658 +             let content = build_sized_string(((BUFFER_SIZE as usize) * 2) - 1);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/main.rs:143:28
[INFO] [stdout]     |
[INFO] [stdout] 143 |         Some((Width(w @ 20 ... 200), _)) => {
[INFO] [stdout]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/worker.rs:218:28
[INFO] [stdout]     |
[INFO] [stdout] 218 |     use std::sync::atomic::ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/worker.rs:228:42
[INFO] [stdout]     |
[INFO] [stdout] 228 |     static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]     |
[INFO] [stdout] 228 |     static LOGGER_IS_SETUP: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]     |                                          ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/worker.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |         if !LOGGER_IS_SETUP.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `flag_verbose` is never read
[INFO] [stdout]   --> src/args.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Args {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 19 |     arg_path: Vec<String>,
[INFO] [stdout] 20 |     flag_verbose: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_verbose` is never used
[INFO] [stdout]   --> src/args.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Args {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn is_verbose(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.36s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7cd080c23bd5b272e7d8eadcbb6b75bda7ba6a0e25e9ef8f48e08b28316df032", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd080c23bd5b272e7d8eadcbb6b75bda7ba6a0e25e9ef8f48e08b28316df032", kill_on_drop: false }`
[INFO] [stdout] 7cd080c23bd5b272e7d8eadcbb6b75bda7ba6a0e25e9ef8f48e08b28316df032
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6ad812d1dcf16cb7f0144dcf6057451be824c371f0b35b72efcfa675e749a143
[INFO] running `Command { std: "docker" "start" "-a" "6ad812d1dcf16cb7f0144dcf6057451be824c371f0b35b72efcfa675e749a143", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: use of unstable library feature 'rustc_encodable_decodable': derive macro for `rustc-serialize`; should not be used in new code
[INFO] [stderr]   --> src/args.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stderr]    = note: `#[warn(soft_unstable)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `RustcDecodable`: rustc-serialize is deprecated and no longer supported
[INFO] [stderr]   --> src/args.rs:17:17
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Debug, RustcDecodable)]
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/worker.rs:147:32
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 &mut buf.bytes[(..)]
[INFO] [stderr]     |                                ^  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 147 -                 &mut buf.bytes[(..)]
[INFO] [stderr] 147 +                 &mut buf.bytes[..]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around index expression
[INFO] [stderr]    --> src/worker.rs:149:32
[INFO] [stderr]     |
[INFO] [stderr] 149 |                 &mut buf.bytes[(0..available_size)]
[INFO] [stderr]     |                                ^                 ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 149 -                 &mut buf.bytes[(0..available_size)]
[INFO] [stderr] 149 +                 &mut buf.bytes[0..available_size]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/worker.rs:180:27
[INFO] [stderr]     |
[INFO] [stderr] 180 |                 return Ok((cursor..len));
[INFO] [stderr]     |                           ^           ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 180 -                 return Ok((cursor..len));
[INFO] [stderr] 180 +                 return Ok(cursor..len);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/worker.rs:189:27
[INFO] [stderr]     |
[INFO] [stderr] 189 |                 return Ok((0..len));
[INFO] [stderr]     |                           ^      ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 189 -                 return Ok((0..len));
[INFO] [stderr] 189 +                 return Ok(0..len);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/worker.rs:658:46
[INFO] [stderr]     |
[INFO] [stderr] 658 |             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stderr]     |                                              ^                                ^
[INFO] [stderr]     |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 658 -             let content = build_sized_string((((BUFFER_SIZE as usize) * 2) - 1));
[INFO] [stderr] 658 +             let content = build_sized_string(((BUFFER_SIZE as usize) * 2) - 1);
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/main.rs:143:28
[INFO] [stderr]     |
[INFO] [stderr] 143 |         Some((Width(w @ 20 ... 200), _)) => {
[INFO] [stderr]     |                            ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/worker.rs:218:28
[INFO] [stderr]     |
[INFO] [stderr] 218 |     use std::sync::atomic::ATOMIC_BOOL_INIT;
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stderr]    --> src/worker.rs:228:42
[INFO] [stderr]     |
[INFO] [stderr] 228 |     static LOGGER_IS_SETUP: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] help: replace the use of the deprecated constant
[INFO] [stderr]     |
[INFO] [stderr] 228 |     static LOGGER_IS_SETUP: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]     |                                          ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/worker.rs:244:29
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] running 13 tests
[INFO] [stderr] 244 |         if !LOGGER_IS_SETUP.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `flag_verbose` is never read
[INFO] [stderr]   --> src/args.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct Args {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 19 |     arg_path: Vec<String>,
[INFO] [stderr] 20 |     flag_verbose: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_verbose` is never used
[INFO] [stderr]   --> src/args.rs:32:12
[INFO] [stderr]    |
[INFO] [stderr] 23 | impl Args {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 32 |     pub fn is_verbose(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `follow` (bin "follow" test) generated 13 warnings (run `cargo fix --bin "follow" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: follow v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/follow-fa497279f8d25322)
[INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_less_than_buffer_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_two_buffers_in_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_equal_to_buffer_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_less_than_two_buffers_in_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_less_than_buffer_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_between_one_and_two_buffers_in_size ... ok
[INFO] [stdout] test worker::tests::it_reads_new_text_one_byte_larger_than_buffer_size ... ok
[INFO] [stdout] test worker::tests::it_reads_lines_from_file_with_contents ... ok
[INFO] [stdout] test worker::tests::it_reads_a_byte_of_text ... ok
[INFO] [stdout] test worker::tests::it_retuns_none_if_file_is_deleted_after_worker_runs ... ok
[INFO] [stdout] test worker::tests::it_retuns_none_if_file_is_deleted_after_worker_is_created_but_before_it_runs ... ok
[INFO] [stdout] test worker::tests::it_retuns_none_if_file_doesnt_exist_before_worker_is_created ... ok
[INFO] [stdout] test worker::tests::it_continues_reading_after_truncation ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- worker::tests::it_continues_reading_after_truncation stdout ----
[INFO] [stdout] thread 'worker::tests::it_continues_reading_after_truncation' panicked at src/worker.rs:245:43:
[INFO] [stdout] log: Error(Msg("failed to init logger"), State { next_error: Some(Io(Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" })), backtrace: Some(   0: error_chain::make_backtrace
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.10.0/src/lib.rs:417:54
[INFO] [stdout]    1: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]    2: core::option::Option<T>::or_else
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/option.rs:1546:21
[INFO] [stdout]    3: error_chain::State::new
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.10.0/src/lib.rs:518:25
[INFO] [stdout]    4: <core::result::Result<T,E> as follow::errors::ResultExt<T,E>>::chain_err::{{closure}}
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.10.0/src/error_chain.rs:308:33
[INFO] [stdout]    5: core::result::Result<T,E>::map_err
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:856:27
[INFO] [stdout]    6: <core::result::Result<T,E> as follow::errors::ResultExt<T,E>>::chain_err
[INFO] [stdout]              at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/error-chain-0.10.0/src/error_chain.rs:307:17
[INFO] [stdout]    7: follow::setup_logging
[INFO] [stdout]              at /opt/rustwide/workdir/src/main.rs:191:5
[INFO] [stdout]    8: follow::worker::tests::with_setup
[INFO] [stdout]              at /opt/rustwide/workdir/src/worker.rs:245:13
[INFO] [stdout]    9: follow::worker::tests::it_continues_reading_after_truncation
[INFO] [stdout]              at /opt/rustwide/workdir/src/worker.rs:388:9
[INFO] [stdout]   10: follow::worker::tests::it_continues_reading_after_truncation::{{closure}}
[INFO] [stdout]              at /opt/rustwide/workdir/src/worker.rs:387:47
[INFO] [stdout]   11: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   12: core::ops::function::FnOnce::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]       test::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   13: test::run_test_in_process::{{closure}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]       test::run_test_in_process
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]       test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   14: test::run_test::{{closure}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]       std::sys::backtrace::__rust_begin_short_backtrace
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   15: std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]       <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]       std::panicking::try::do_call
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]       std::panicking::try
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]       std::panic::catch_unwind
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]       std::thread::Builder::spawn_unchecked_::{{closure}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]       core::ops::function::FnOnce::call_once{{vtable.shim}}
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   16: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]       <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]       std::sys::pal::unix::thread::Thread::new::thread_start
[INFO] [stdout]              at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   17: <unknown>
[INFO] [stdout]   18: clone
[INFO] [stdout] ) })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5d1a5d50488a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5d1a5d50488a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5d1a5d50488a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5d1a5d50488a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5d1a5d52a963 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5d1a5d52a963 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x5d1a5d501703 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5d1a5d5046d2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5d1a5d505cea - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5d1a5d505af4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x5d1a5d3c4259 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x5d1a5d3c4259 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x5d1a5d506388 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x5d1a5d506388 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x5d1a5d50614a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x5d1a5d504d69 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x5d1a5d505ddc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x5d1a5d331120 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x5d1a5d331566 - core::result::unwrap_failed::hd20b4aa073bda1e2
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1700:5
[INFO] [stdout]   19:     0x5d1a5d36a1c6 - core::result::Result<T,E>::expect::h02257f4b07e51e04
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/result.rs:1061:23
[INFO] [stdout]   20:     0x5d1a5d3767c0 - follow::worker::tests::with_setup::hf8f59f42be5316d8
[INFO] [stdout]                                at /opt/rustwide/workdir/src/worker.rs:245:13
[INFO] [stdout]   21:     0x5d1a5d37a0b6 - follow::worker::tests::it_continues_reading_after_truncation::hf58d7437b1bd4a02
[INFO] [stdout]                                at /opt/rustwide/workdir/src/worker.rs:388:9
[INFO] [stdout]   22:     0x5d1a5d37a097 - follow::worker::tests::it_continues_reading_after_truncation::{{closure}}::hb52e207d240559aa
[INFO] [stdout]                                at /opt/rustwide/workdir/src/worker.rs:387:47
[INFO] [stdout]   23:     0x5d1a5d364166 - core::ops::function::FnOnce::call_once::h217789d69295774b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5d1a5d3c8c1b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5d1a5d3c8c1b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   26:     0x5d1a5d3c8457 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   27:     0x5d1a5d3c8457 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5d1a5d3c8457 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   29:     0x5d1a5d3c8457 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   30:     0x5d1a5d3c8457 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   31:     0x5d1a5d3c8457 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   32:     0x5d1a5d3c8457 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   33:     0x5d1a5d38d734 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   34:     0x5d1a5d38d734 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   35:     0x5d1a5d390dfe - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   36:     0x5d1a5d390dfe - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5d1a5d390dfe - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   38:     0x5d1a5d390dfe - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   39:     0x5d1a5d390dfe - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   40:     0x5d1a5d390dfe - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   41:     0x5d1a5d390dfe - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5d1a5d50ab6b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x5d1a5d50ab6b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   44:     0x5d1a5d50ab6b - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   45:     0x7d7a801adac3 - <unknown>
[INFO] [stdout]   46:     0x7d7a8023ea04 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     worker::tests::it_continues_reading_after_truncation
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.43s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin follow`
[INFO] running `Command { std: "docker" "inspect" "6ad812d1dcf16cb7f0144dcf6057451be824c371f0b35b72efcfa675e749a143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad812d1dcf16cb7f0144dcf6057451be824c371f0b35b72efcfa675e749a143", kill_on_drop: false }`
[INFO] [stdout] 6ad812d1dcf16cb7f0144dcf6057451be824c371f0b35b72efcfa675e749a143
