[INFO] cloning repository https://github.com/magisystem0408/rust_first_exer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/magisystem0408/rust_first_exer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagisystem0408%2Frust_first_exer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagisystem0408%2Frust_first_exer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dafafc0eab4ffa8f8e3dd4e43e52904a248d5a69
[INFO] testing magisystem0408/rust_first_exer against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagisystem0408%2Frust_first_exer" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magisystem0408/rust_first_exer on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/magisystem0408/rust_first_exer
[INFO] finished tweaking git repo https://github.com/magisystem0408/rust_first_exer
[INFO] tweaked toml for git repo https://github.com/magisystem0408/rust_first_exer written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/magisystem0408/rust_first_exer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c1b04645895799838ffb1100d48808d22073d37a4f9f1f046f96ea0616ef277e
[INFO] running `Command { std: "docker" "start" "-a" "c1b04645895799838ffb1100d48808d22073d37a4f9f1f046f96ea0616ef277e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1b04645895799838ffb1100d48808d22073d37a4f9f1f046f96ea0616ef277e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1b04645895799838ffb1100d48808d22073d37a4f9f1f046f96ea0616ef277e", kill_on_drop: false }`
[INFO] [stdout] c1b04645895799838ffb1100d48808d22073d37a4f9f1f046f96ea0616ef277e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8c760b48e4309fb7d7be8cd47496eb61d7b7fdc0d13d268be29482a89165271
[INFO] running `Command { std: "docker" "start" "-a" "b8c760b48e4309fb7d7be8cd47496eb61d7b7fdc0d13d268be29482a89165271", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "b8c760b48e4309fb7d7be8cd47496eb61d7b7fdc0d13d268be29482a89165271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8c760b48e4309fb7d7be8cd47496eb61d7b7fdc0d13d268be29482a89165271", kill_on_drop: false }`
[INFO] [stdout] b8c760b48e4309fb7d7be8cd47496eb61d7b7fdc0d13d268be29482a89165271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f9632f6914b3a46b5d173f0771d63f477132aac0e2e24e107f480a7c2b0ff63
[INFO] running `Command { std: "docker" "start" "-a" "8f9632f6914b3a46b5d173f0771d63f477132aac0e2e24e107f480a7c2b0ff63", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_exer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "8f9632f6914b3a46b5d173f0771d63f477132aac0e2e24e107f480a7c2b0ff63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9632f6914b3a46b5d173f0771d63f477132aac0e2e24e107f480a7c2b0ff63", kill_on_drop: false }`
[INFO] [stdout] 8f9632f6914b3a46b5d173f0771d63f477132aac0e2e24e107f480a7c2b0ff63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fbb0e5e28f63f29516e7af500d0cbfdf671c958cb4db9d4b0cebe032d767cf7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1fbb0e5e28f63f29516e7af500d0cbfdf671c958cb4db9d4b0cebe032d767cf7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_exer-17d0d876978ca8a1)
[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" "1fbb0e5e28f63f29516e7af500d0cbfdf671c958cb4db9d4b0cebe032d767cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbb0e5e28f63f29516e7af500d0cbfdf671c958cb4db9d4b0cebe032d767cf7", kill_on_drop: false }`
[INFO] [stdout] 1fbb0e5e28f63f29516e7af500d0cbfdf671c958cb4db9d4b0cebe032d767cf7