[INFO] cloning repository https://github.com/pjzhong/rust_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjzhong/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e863f8bce85de270f1c80577860e63c8990df99f
[INFO] testing pjzhong/rust_practice against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_practice" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pjzhong/rust_practice on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pjzhong/rust_practice
[INFO] finished tweaking git repo https://github.com/pjzhong/rust_practice
[INFO] tweaked toml for git repo https://github.com/pjzhong/rust_practice written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/pjzhong/rust_practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7045b8e0470b5cbfc7944d2c3e222f6ffa4777d49b3b6a9f207c7429f5f4a57a
[INFO] running `Command { std: "docker" "start" "-a" "7045b8e0470b5cbfc7944d2c3e222f6ffa4777d49b3b6a9f207c7429f5f4a57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7045b8e0470b5cbfc7944d2c3e222f6ffa4777d49b3b6a9f207c7429f5f4a57a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7045b8e0470b5cbfc7944d2c3e222f6ffa4777d49b3b6a9f207c7429f5f4a57a", kill_on_drop: false }`
[INFO] [stdout] 7045b8e0470b5cbfc7944d2c3e222f6ffa4777d49b3b6a9f207c7429f5f4a57a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 432505b07c7c66e7ff327e827ee9c901ad664bf93ae2fe211e0e617c70772b62
[INFO] running `Command { std: "docker" "start" "-a" "432505b07c7c66e7ff327e827ee9c901ad664bf93ae2fe211e0e617c70772b62", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "432505b07c7c66e7ff327e827ee9c901ad664bf93ae2fe211e0e617c70772b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "432505b07c7c66e7ff327e827ee9c901ad664bf93ae2fe211e0e617c70772b62", kill_on_drop: false }`
[INFO] [stdout] 432505b07c7c66e7ff327e827ee9c901ad664bf93ae2fe211e0e617c70772b62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747ba6af1ec2cd41ed8abb91399e9900474d703c51abc9ec12d3395140c68f64
[INFO] running `Command { std: "docker" "start" "-a" "747ba6af1ec2cd41ed8abb91399e9900474d703c51abc9ec12d3395140c68f64", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "747ba6af1ec2cd41ed8abb91399e9900474d703c51abc9ec12d3395140c68f64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747ba6af1ec2cd41ed8abb91399e9900474d703c51abc9ec12d3395140c68f64", kill_on_drop: false }`
[INFO] [stdout] 747ba6af1ec2cd41ed8abb91399e9900474d703c51abc9ec12d3395140c68f64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6929be76f0e0c91170b1893042eeac74df7f1fd0fcde3511d6d330ec754e21d
[INFO] running `Command { std: "docker" "start" "-a" "c6929be76f0e0c91170b1893042eeac74df7f1fd0fcde3511d6d330ec754e21d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_practice-f4e904eeefc5a188)
[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" "c6929be76f0e0c91170b1893042eeac74df7f1fd0fcde3511d6d330ec754e21d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6929be76f0e0c91170b1893042eeac74df7f1fd0fcde3511d6d330ec754e21d", kill_on_drop: false }`
[INFO] [stdout] c6929be76f0e0c91170b1893042eeac74df7f1fd0fcde3511d6d330ec754e21d