[INFO] cloning repository https://github.com/AviTheBrown/echoR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AviTheBrown/echoR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviTheBrown%2FechoR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviTheBrown%2FechoR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] abe2de399ca06247bdb70bbe6c2a4a79977601ac
[INFO] testing AviTheBrown/echoR against 1.75.0 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviTheBrown%2FechoR" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AviTheBrown/echoR on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AviTheBrown/echoR
[INFO] finished tweaking git repo https://github.com/AviTheBrown/echoR
[INFO] tweaked toml for git repo https://github.com/AviTheBrown/echoR written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AviTheBrown/echoR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1ca5d41314861cf596a28061f4290bff05f202da65e2e73f6d066341565c751
[INFO] running `Command { std: "docker" "start" "-a" "f1ca5d41314861cf596a28061f4290bff05f202da65e2e73f6d066341565c751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1ca5d41314861cf596a28061f4290bff05f202da65e2e73f6d066341565c751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1ca5d41314861cf596a28061f4290bff05f202da65e2e73f6d066341565c751", kill_on_drop: false }`
[INFO] [stdout] f1ca5d41314861cf596a28061f4290bff05f202da65e2e73f6d066341565c751
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a017f3754f7da79136d6ca2c85fe8c5d66feb1839db4c5e1c1fc85d57329594d
[INFO] running `Command { std: "docker" "start" "-a" "a017f3754f7da79136d6ca2c85fe8c5d66feb1839db4c5e1c1fc85d57329594d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling echoR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
[INFO] running `Command { std: "docker" "inspect" "a017f3754f7da79136d6ca2c85fe8c5d66feb1839db4c5e1c1fc85d57329594d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a017f3754f7da79136d6ca2c85fe8c5d66feb1839db4c5e1c1fc85d57329594d", kill_on_drop: false }`
[INFO] [stdout] a017f3754f7da79136d6ca2c85fe8c5d66feb1839db4c5e1c1fc85d57329594d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5759b625aa1f61a651e15c282d2d5e944fbe70334862d0982f93f41f99d1998
[INFO] running `Command { std: "docker" "start" "-a" "a5759b625aa1f61a651e15c282d2d5e944fbe70334862d0982f93f41f99d1998", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.5
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling termtree v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.7
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling echoR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "a5759b625aa1f61a651e15c282d2d5e944fbe70334862d0982f93f41f99d1998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5759b625aa1f61a651e15c282d2d5e944fbe70334862d0982f93f41f99d1998", kill_on_drop: false }`
[INFO] [stdout] a5759b625aa1f61a651e15c282d2d5e944fbe70334862d0982f93f41f99d1998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 631b530b82a3ebac292ba20018db8b57922ac175a39ad0e4adc775754a345447
[INFO] running `Command { std: "docker" "start" "-a" "631b530b82a3ebac292ba20018db8b57922ac175a39ad0e4adc775754a345447", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `echoR` (bin "echoR") generated 2 warnings (run `cargo fix --bin "echoR"` to apply 1 suggestion)
[INFO] [stderr] warning: `echoR` (bin "echoR" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/echoR-dc39142871568967)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-2a1a4ab580632e4c)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test hello1 ... FAILED
[INFO] [stdout] test hello1_no_newline ... FAILED
[INFO] [stdout] test hello2_no_newline ... FAILED
[INFO] [stdout] test hello2 ... FAILED
[INFO] [stdout] test dies_no_args ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- hello1 stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello1_no_newline stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello2_no_newline stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello2 stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     hello1
[INFO] [stdout]     hello1_no_newline
[INFO] [stdout]     hello2
[INFO] [stdout]     hello2_no_newline
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test cli`
[INFO] running `Command { std: "docker" "inspect" "631b530b82a3ebac292ba20018db8b57922ac175a39ad0e4adc775754a345447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631b530b82a3ebac292ba20018db8b57922ac175a39ad0e4adc775754a345447", kill_on_drop: false }`
[INFO] [stdout] 631b530b82a3ebac292ba20018db8b57922ac175a39ad0e4adc775754a345447
[INFO] testing AviTheBrown/echoR against beta-2023-12-22 for beta-1.76-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAviTheBrown%2FechoR" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AviTheBrown/echoR on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AviTheBrown/echoR
[INFO] finished tweaking git repo https://github.com/AviTheBrown/echoR
[INFO] tweaked toml for git repo https://github.com/AviTheBrown/echoR written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/AviTheBrown/echoR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2814f9785173507ced425065093ff5cdd4f2dd0e712b386ef7ede42723a1486
[INFO] running `Command { std: "docker" "start" "-a" "e2814f9785173507ced425065093ff5cdd4f2dd0e712b386ef7ede42723a1486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2814f9785173507ced425065093ff5cdd4f2dd0e712b386ef7ede42723a1486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2814f9785173507ced425065093ff5cdd4f2dd0e712b386ef7ede42723a1486", kill_on_drop: false }`
[INFO] [stdout] e2814f9785173507ced425065093ff5cdd4f2dd0e712b386ef7ede42723a1486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e827fe846a94654b97161764f2f247f42549ec298f15c300fc7b2b3d7f68430e
[INFO] running `Command { std: "docker" "start" "-a" "e827fe846a94654b97161764f2f247f42549ec298f15c300fc7b2b3d7f68430e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling echoR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "e827fe846a94654b97161764f2f247f42549ec298f15c300fc7b2b3d7f68430e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e827fe846a94654b97161764f2f247f42549ec298f15c300fc7b2b3d7f68430e", kill_on_drop: false }`
[INFO] [stdout] e827fe846a94654b97161764f2f247f42549ec298f15c300fc7b2b3d7f68430e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5323c3c345bad6aa2e19f4ba3a012f10c7e0cf43f6702252a30a42f87b4ec136
[INFO] running `Command { std: "docker" "start" "-a" "5323c3c345bad6aa2e19f4ba3a012f10c7e0cf43f6702252a30a42f87b4ec136", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v1.0.5
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling termtree v0.4.0
[INFO] [stderr]    Compiling float-cmp v0.8.0
[INFO] [stderr]    Compiling predicates-tree v1.0.7
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling wait-timeout v0.2.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling predicates v2.1.5
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling assert_cmd v1.0.8
[INFO] [stderr]    Compiling predicates v1.0.8
[INFO] [stderr]    Compiling echoR v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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/main.rs:28:6
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `echoR` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "5323c3c345bad6aa2e19f4ba3a012f10c7e0cf43f6702252a30a42f87b4ec136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5323c3c345bad6aa2e19f4ba3a012f10c7e0cf43f6702252a30a42f87b4ec136", kill_on_drop: false }`
[INFO] [stdout] 5323c3c345bad6aa2e19f4ba3a012f10c7e0cf43f6702252a30a42f87b4ec136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e5cb31a702706d284c58d05501bbb59b1a65a05a2a2d061f8ee6ab8209308c8f
[INFO] running `Command { std: "docker" "start" "-a" "e5cb31a702706d284c58d05501bbb59b1a65a05a2a2d061f8ee6ab8209308c8f", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:28:6
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let mut ending = if omit_newline {""} else {"\n"};
[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: crate `echoR` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `echo_r`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `echoR` (bin "echoR") generated 2 warnings (run `cargo fix --bin "echoR"` to apply 1 suggestion)
[INFO] [stderr] warning: `echoR` (bin "echoR" test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/echoR-e072b7c791a72452)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/cli.rs (/opt/rustwide/target/debug/deps/cli-8570a884d592c2be)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test hello1 ... FAILED
[INFO] [stdout] test hello1_no_newline ... FAILED
[INFO] [stdout] test hello2_no_newline ... FAILED
[INFO] [stdout] test hello2 ... FAILED
[INFO] [stdout] test dies_no_args ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- hello1 stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello1_no_newline stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello2_no_newline stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] ---- hello2 stdout ----
[INFO] [stdout] Error: CargoError { cause: Some(NotFoundError { path: "/opt/rustwide/target/debug/echor" }) }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     hello1
[INFO] [stdout]     hello1_no_newline
[INFO] [stdout]     hello2
[INFO] [stdout]     hello2_no_newline
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test cli`
[INFO] running `Command { std: "docker" "inspect" "e5cb31a702706d284c58d05501bbb59b1a65a05a2a2d061f8ee6ab8209308c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5cb31a702706d284c58d05501bbb59b1a65a05a2a2d061f8ee6ab8209308c8f", kill_on_drop: false }`
[INFO] [stdout] e5cb31a702706d284c58d05501bbb59b1a65a05a2a2d061f8ee6ab8209308c8f
