[INFO] cloning repository https://github.com/10maurycy10/rust-cowsay
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/10maurycy10/rust-cowsay" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10maurycy10%2Frust-cowsay", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10maurycy10%2Frust-cowsay'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c915ebced954af47bf8253413559bbfc653e11c6
[INFO] testing 10maurycy10/rust-cowsay against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F10maurycy10%2Frust-cowsay" "/workspace/builds/worker-107/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-107/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/10maurycy10/rust-cowsay on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/10maurycy10/rust-cowsay
[INFO] finished tweaking git repo https://github.com/10maurycy10/rust-cowsay
[INFO] tweaked toml for git repo https://github.com/10maurycy10/rust-cowsay written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate git repo https://github.com/10maurycy10/rust-cowsay already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 229bab0c0d74e9aaaadfba9f3c5502a960d3961038662fc6f2d71805589ac47e
[INFO] running `Command { std: "docker" "start" "-a" "229bab0c0d74e9aaaadfba9f3c5502a960d3961038662fc6f2d71805589ac47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "229bab0c0d74e9aaaadfba9f3c5502a960d3961038662fc6f2d71805589ac47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "229bab0c0d74e9aaaadfba9f3c5502a960d3961038662fc6f2d71805589ac47e", kill_on_drop: false }`
[INFO] [stdout] 229bab0c0d74e9aaaadfba9f3c5502a960d3961038662fc6f2d71805589ac47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19cc54f4c2c3ef6304452470072c1e2d67257de868e1c6c76672ac7af86e3f60
[INFO] running `Command { std: "docker" "start" "-a" "19cc54f4c2c3ef6304452470072c1e2d67257de868e1c6c76672ac7af86e3f60", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rust_cowsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for i in 0..(tw-2) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.80s
[INFO] running `Command { std: "docker" "inspect" "19cc54f4c2c3ef6304452470072c1e2d67257de868e1c6c76672ac7af86e3f60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19cc54f4c2c3ef6304452470072c1e2d67257de868e1c6c76672ac7af86e3f60", kill_on_drop: false }`
[INFO] [stdout] 19cc54f4c2c3ef6304452470072c1e2d67257de868e1c6c76672ac7af86e3f60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f2cddc864c37f1aac51e83e0c523ada806997153fc0c75187f5f2a267afa1fc
[INFO] running `Command { std: "docker" "start" "-a" "9f2cddc864c37f1aac51e83e0c523ada806997153fc0c75187f5f2a267afa1fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_cowsay v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     for i in 0..(tw-2) {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_cowsay-a94cf176c25093a0)
[INFO] running `Command { std: "docker" "inspect" "9f2cddc864c37f1aac51e83e0c523ada806997153fc0c75187f5f2a267afa1fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f2cddc864c37f1aac51e83e0c523ada806997153fc0c75187f5f2a267afa1fc", kill_on_drop: false }`
[INFO] [stdout] 9f2cddc864c37f1aac51e83e0c523ada806997153fc0c75187f5f2a267afa1fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 11076a224fd5d2c7a08272a0d987c45bce1e6066eee22fa355faa46115c1fc0a
[INFO] running `Command { std: "docker" "start" "-a" "11076a224fd5d2c7a08272a0d987c45bce1e6066eee22fa355faa46115c1fc0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:61:9
[INFO] [stderr]    |
[INFO] [stderr] 61 |     for i in 0..(tw-2) {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_cowsay` (bin "rust_cowsay" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.91s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_cowsay-a94cf176c25093a0)
[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] running `Command { std: "docker" "inspect" "11076a224fd5d2c7a08272a0d987c45bce1e6066eee22fa355faa46115c1fc0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11076a224fd5d2c7a08272a0d987c45bce1e6066eee22fa355faa46115c1fc0a", kill_on_drop: false }`
[INFO] [stdout] 11076a224fd5d2c7a08272a0d987c45bce1e6066eee22fa355faa46115c1fc0a