[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] 8a9257ac6f768bfd65cd1a9eb2e603b23e483ab4
[INFO] testing magisystem0408/rust_first_exer against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmagisystem0408%2Frust_first_exer" "/workspace/builds/worker-103/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-103/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/magisystem0408/rust_first_exer on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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-103/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 927f73ed486cc78d11a335d50ecbd36163b7fafc86202d4c951ff77fea25ca09
[INFO] running `Command { std: "docker" "start" "-a" "927f73ed486cc78d11a335d50ecbd36163b7fafc86202d4c951ff77fea25ca09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "927f73ed486cc78d11a335d50ecbd36163b7fafc86202d4c951ff77fea25ca09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "927f73ed486cc78d11a335d50ecbd36163b7fafc86202d4c951ff77fea25ca09", kill_on_drop: false }`
[INFO] [stdout] 927f73ed486cc78d11a335d50ecbd36163b7fafc86202d4c951ff77fea25ca09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4c3eff5aa794da893575bb742d27828e453b86cb0e5d782b1adfaa373d3b68d
[INFO] running `Command { std: "docker" "start" "-a" "e4c3eff5aa794da893575bb742d27828e453b86cb0e5d782b1adfaa373d3b68d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_exer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.49s
[INFO] running `Command { std: "docker" "inspect" "e4c3eff5aa794da893575bb742d27828e453b86cb0e5d782b1adfaa373d3b68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c3eff5aa794da893575bb742d27828e453b86cb0e5d782b1adfaa373d3b68d", kill_on_drop: false }`
[INFO] [stdout] e4c3eff5aa794da893575bb742d27828e453b86cb0e5d782b1adfaa373d3b68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe00b732ffa77132edadd0e6ab4691e4c918fdfaec355deaad14e876bee72862
[INFO] running `Command { std: "docker" "start" "-a" "fe00b732ffa77132edadd0e6ab4691e4c918fdfaec355deaad14e876bee72862", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_exer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.44s
[INFO] running `Command { std: "docker" "inspect" "fe00b732ffa77132edadd0e6ab4691e4c918fdfaec355deaad14e876bee72862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe00b732ffa77132edadd0e6ab4691e4c918fdfaec355deaad14e876bee72862", kill_on_drop: false }`
[INFO] [stdout] fe00b732ffa77132edadd0e6ab4691e4c918fdfaec355deaad14e876bee72862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-103/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fb20aebb1f4730cb55f96de3dd1d62b291574927c0f11fd0b56894b17fb962f
[INFO] running `Command { std: "docker" "start" "-a" "1fb20aebb1f4730cb55f96de3dd1d62b291574927c0f11fd0b56894b17fb962f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.19s
[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" "1fb20aebb1f4730cb55f96de3dd1d62b291574927c0f11fd0b56894b17fb962f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb20aebb1f4730cb55f96de3dd1d62b291574927c0f11fd0b56894b17fb962f", kill_on_drop: false }`
[INFO] [stdout] 1fb20aebb1f4730cb55f96de3dd1d62b291574927c0f11fd0b56894b17fb962f