[INFO] cloning repository https://github.com/blinkingso/rust_samples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blinkingso/rust_samples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1eacfbf5f3a61a15ab6e587a1a65a094020396d3
[INFO] testing blinkingso/rust_samples against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblinkingso%2Frust_samples" "/workspace/builds/worker-71/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-71/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blinkingso/rust_samples on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/blinkingso/rust_samples
[INFO] finished tweaking git repo https://github.com/blinkingso/rust_samples
[INFO] tweaked toml for git repo https://github.com/blinkingso/rust_samples written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] crate git repo https://github.com/blinkingso/rust_samples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e619261692936651e1e405c7f9a71a9773ca162168aeb43ae06adc882a2744f
[INFO] running `Command { std: "docker" "start" "-a" "0e619261692936651e1e405c7f9a71a9773ca162168aeb43ae06adc882a2744f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e619261692936651e1e405c7f9a71a9773ca162168aeb43ae06adc882a2744f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e619261692936651e1e405c7f9a71a9773ca162168aeb43ae06adc882a2744f", kill_on_drop: false }`
[INFO] [stdout] 0e619261692936651e1e405c7f9a71a9773ca162168aeb43ae06adc882a2744f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b9dbaa609230ec45de66bf1e5e065a950e3ab883f0e35788b82249e3d5cb84
[INFO] running `Command { std: "docker" "start" "-a" "63b9dbaa609230ec45de66bf1e5e065a950e3ab883f0e35788b82249e3d5cb84", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "63b9dbaa609230ec45de66bf1e5e065a950e3ab883f0e35788b82249e3d5cb84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b9dbaa609230ec45de66bf1e5e065a950e3ab883f0e35788b82249e3d5cb84", kill_on_drop: false }`
[INFO] [stdout] 63b9dbaa609230ec45de66bf1e5e065a950e3ab883f0e35788b82249e3d5cb84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4586de6dcc5f6b84c335738e155269e04d501fef21a0c472c0fe2ea6e6d5bcce
[INFO] running `Command { std: "docker" "start" "-a" "4586de6dcc5f6b84c335738e155269e04d501fef21a0c472c0fe2ea6e6d5bcce", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_samples v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "4586de6dcc5f6b84c335738e155269e04d501fef21a0c472c0fe2ea6e6d5bcce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4586de6dcc5f6b84c335738e155269e04d501fef21a0c472c0fe2ea6e6d5bcce", kill_on_drop: false }`
[INFO] [stdout] 4586de6dcc5f6b84c335738e155269e04d501fef21a0c472c0fe2ea6e6d5bcce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b2c6b02203d1e02d760dc01ca9ad6eafab4c66d8ab3b88806f9877f3c99c757f
[INFO] running `Command { std: "docker" "start" "-a" "b2c6b02203d1e02d760dc01ca9ad6eafab4c66d8ab3b88806f9877f3c99c757f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_samples-7d967c29c0f0407e)
[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" "b2c6b02203d1e02d760dc01ca9ad6eafab4c66d8ab3b88806f9877f3c99c757f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2c6b02203d1e02d760dc01ca9ad6eafab4c66d8ab3b88806f9877f3c99c757f", kill_on_drop: false }`
[INFO] [stdout] b2c6b02203d1e02d760dc01ca9ad6eafab4c66d8ab3b88806f9877f3c99c757f