[INFO] crate fzq 0.1.0 is already in cache
[INFO] testing fzq-0.1.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate fzq 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate fzq 0.1.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fzq 0.1.0
[INFO] finished tweaking crates.io crate fzq 0.1.0
[INFO] tweaked toml for crates.io crate fzq 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8c06db0fc4d6b15772ba08c60e31c2b243545eaa3ad1d656ed94c4c6ff5397cd
[INFO] running `"docker" "start" "-a" "8c06db0fc4d6b15772ba08c60e31c2b243545eaa3ad1d656ed94c4c6ff5397cd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling fzq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / arg_enum! {
[INFO] [stderr] 24 | |     /// String metrics to use for matching
[INFO] [stderr] 25 | |     #[allow(missing_docs)]
[INFO] [stderr] 26 | |     #[derive(Debug)]
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:58
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn read(path: &Option<std::path::PathBuf>) -> Result<Box<io::Read>, Box<io::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.00s
[INFO] running `"docker" "inspect" "8c06db0fc4d6b15772ba08c60e31c2b243545eaa3ad1d656ed94c4c6ff5397cd"`
[INFO] running `"docker" "rm" "-f" "8c06db0fc4d6b15772ba08c60e31c2b243545eaa3ad1d656ed94c4c6ff5397cd"`
[INFO] [stdout] 8c06db0fc4d6b15772ba08c60e31c2b243545eaa3ad1d656ed94c4c6ff5397cd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 237602956d765a8fae9187df81995e36c4d75aee1f9edd7a03fd5bd04bac0f90
[INFO] running `"docker" "start" "-a" "237602956d765a8fae9187df81995e36c4d75aee1f9edd7a03fd5bd04bac0f90"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling predicates-core v1.0.0
[INFO] [stderr]    Compiling treeline v0.1.0
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / arg_enum! {
[INFO] [stderr] 24 | |     /// String metrics to use for matching
[INFO] [stderr] 25 | |     #[allow(missing_docs)]
[INFO] [stderr] 26 | |     #[derive(Debug)]
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:58
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn read(path: &Option<std::path::PathBuf>) -> Result<Box<io::Read>, Box<io::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling predicates-tree v1.0.0
[INFO] [stderr]    Compiling predicates v1.0.4
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling fzq v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:58
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn read(path: &Option<std::path::PathBuf>) -> Result<Box<io::Read>, Box<io::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:10:42
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn file_doesnt_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn filter_content_in_file() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn filter_content_on_stdin() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn metric_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:59:50
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn unsupported_metric_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:71:41
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn threshold_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:84:43
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn buffer_size_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:97:43
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn line_number_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:109:43
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn check_chars_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:122:54
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn check_chars_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:135:42
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn skip_chars_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:148:53
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn skip_chars_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:161:43
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn skip_fields_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:174:54
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn skip_fields_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:187:43
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn ignore_case_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:199:43
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn all_similar_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.95s
[INFO] running `"docker" "inspect" "237602956d765a8fae9187df81995e36c4d75aee1f9edd7a03fd5bd04bac0f90"`
[INFO] running `"docker" "rm" "-f" "237602956d765a8fae9187df81995e36c4d75aee1f9edd7a03fd5bd04bac0f90"`
[INFO] [stdout] 237602956d765a8fae9187df81995e36c4d75aee1f9edd7a03fd5bd04bac0f90
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 637c9c9dbffd745a749b3bed1e8656e35ce552c0f504db6b89eec4b05962a2d0
[INFO] running `"docker" "start" "-a" "637c9c9dbffd745a749b3bed1e8656e35ce552c0f504db6b89eec4b05962a2d0"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: missing documentation for an associated function
[INFO] [stderr]   --> src/lib.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / arg_enum! {
[INFO] [stderr] 24 | |     /// String metrics to use for matching
[INFO] [stderr] 25 | |     #[allow(missing_docs)]
[INFO] [stderr] 26 | |     #[derive(Debug)]
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:1:9
[INFO] [stderr]    |
[INFO] [stderr] 1  | #![warn(missing_docs)]
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:58
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn read(path: &Option<std::path::PathBuf>) -> Result<Box<io::Read>, Box<io::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:83:58
[INFO] [stderr]    |
[INFO] [stderr] 83 | fn read(path: &Option<std::path::PathBuf>) -> Result<Box<io::Read>, Box<io::Error>> {
[INFO] [stderr]    |                                                          ^^^^^^^^ help: use `dyn`: `dyn io::Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:10:42
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn file_doesnt_exist() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:20:47
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn filter_content_in_file() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:35:48
[INFO] [stderr]    |
[INFO] [stderr] 35 | fn filter_content_on_stdin() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:46:38
[INFO] [stderr]    |
[INFO] [stderr] 46 | fn metric_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:59:50
[INFO] [stderr]    |
[INFO] [stderr] 59 | fn unsupported_metric_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:71:41
[INFO] [stderr]    |
[INFO] [stderr] 71 | fn threshold_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:84:43
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn buffer_size_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/cli.rs:97:43
[INFO] [stderr]    |
[INFO] [stderr] 97 | fn line_number_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:109:43
[INFO] [stderr]     |
[INFO] [stderr] 109 | fn check_chars_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:122:54
[INFO] [stderr]     |
[INFO] [stderr] 122 | fn check_chars_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:135:42
[INFO] [stderr]     |
[INFO] [stderr] 135 | fn skip_chars_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:148:53
[INFO] [stderr]     |
[INFO] [stderr] 148 | fn skip_chars_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:161:43
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn skip_fields_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:174:54
[INFO] [stderr]     |
[INFO] [stderr] 174 | fn skip_fields_option_multi_byte() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                                      ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:187:43
[INFO] [stderr]     |
[INFO] [stderr] 187 | fn ignore_case_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> tests/cli.rs:199:43
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn all_similar_option() -> Result<(), Box<std::error::Error>> {
[INFO] [stderr]     |                                           ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fzq-3343e770ffaaaec4
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fzq-092725ee38680d52
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cli-c663dd3f4b47ea84
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test skip_chars_option ... ok
[INFO] [stdout] test metric_option ... ok
[INFO] [stdout] test skip_chars_option_multi_byte ... ok
[INFO] [stdout] test skip_fields_option ... ok
[INFO] [stdout] test skip_fields_option_multi_byte ... ok
[INFO] [stdout] test line_number_option ... ok
[INFO] [stdout] test ignore_case_option ... ok
[INFO] [stdout] test filter_content_on_stdin ... ok
[INFO] [stdout] test all_similar_option ... ok
[INFO] [stdout] test filter_content_in_file ... ok
[INFO] [stdout] test threshold_option ... ok
[INFO] [stdout] test unsupported_metric_option ... ok
[INFO] [stdout] test buffer_size_option ... ok
[INFO] [stdout] test check_chars_option_multi_byte ... ok
[INFO] [stdout] test check_chars_option ... ok
[INFO] [stderr]    Doc-tests fzq
[INFO] [stdout] test file_doesnt_exist ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "637c9c9dbffd745a749b3bed1e8656e35ce552c0f504db6b89eec4b05962a2d0"`
[INFO] running `"docker" "rm" "-f" "637c9c9dbffd745a749b3bed1e8656e35ce552c0f504db6b89eec4b05962a2d0"`
[INFO] [stdout] 637c9c9dbffd745a749b3bed1e8656e35ce552c0f504db6b89eec4b05962a2d0