[INFO] cloning repository https://github.com/artoriaschan/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/artoriaschan/rust-practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartoriaschan%2Frust-practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartoriaschan%2Frust-practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a51542e644ec4c5cf335c031ae85645ae69d7d09
[INFO] testing artoriaschan/rust-practice against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fartoriaschan%2Frust-practice" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/artoriaschan/rust-practice on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/artoriaschan/rust-practice
[INFO] finished tweaking git repo https://github.com/artoriaschan/rust-practice
[INFO] tweaked toml for git repo https://github.com/artoriaschan/rust-practice written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/artoriaschan/rust-practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b29ff65ed471a9d922e79be6f4c32cd0ebfab5b72ab6e7f119e28fbc0a53d20
[INFO] running `Command { std: "docker" "start" "-a" "1b29ff65ed471a9d922e79be6f4c32cd0ebfab5b72ab6e7f119e28fbc0a53d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b29ff65ed471a9d922e79be6f4c32cd0ebfab5b72ab6e7f119e28fbc0a53d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b29ff65ed471a9d922e79be6f4c32cd0ebfab5b72ab6e7f119e28fbc0a53d20", kill_on_drop: false }`
[INFO] [stdout] 1b29ff65ed471a9d922e79be6f4c32cd0ebfab5b72ab6e7f119e28fbc0a53d20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36b8cad0736c8c0286e2692bfc380003d38d8a3378df0d61d3a5fe624bf8e7d6
[INFO] running `Command { std: "docker" "start" "-a" "36b8cad0736c8c0286e2692bfc380003d38d8a3378df0d61d3a5fe624bf8e7d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "36b8cad0736c8c0286e2692bfc380003d38d8a3378df0d61d3a5fe624bf8e7d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36b8cad0736c8c0286e2692bfc380003d38d8a3378df0d61d3a5fe624bf8e7d6", kill_on_drop: false }`
[INFO] [stdout] 36b8cad0736c8c0286e2692bfc380003d38d8a3378df0d61d3a5fe624bf8e7d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180ee0767a05e5106a41f55d92a1a6c16649b1bf38078ffeb09b2523a81b57c9
[INFO] running `Command { std: "docker" "start" "-a" "180ee0767a05e5106a41f55d92a1a6c16649b1bf38078ffeb09b2523a81b57c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "180ee0767a05e5106a41f55d92a1a6c16649b1bf38078ffeb09b2523a81b57c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180ee0767a05e5106a41f55d92a1a6c16649b1bf38078ffeb09b2523a81b57c9", kill_on_drop: false }`
[INFO] [stdout] 180ee0767a05e5106a41f55d92a1a6c16649b1bf38078ffeb09b2523a81b57c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3af5202521bb3f222ecfb92a37c0c865b2ea36bf132587ce4acc6ad4c6f7778d
[INFO] running `Command { std: "docker" "start" "-a" "3af5202521bb3f222ecfb92a37c0c865b2ea36bf132587ce4acc6ad4c6f7778d", kill_on_drop: false }`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_practice-3b55be6bd1dc5fbe)
[INFO] running `Command { std: "docker" "inspect" "3af5202521bb3f222ecfb92a37c0c865b2ea36bf132587ce4acc6ad4c6f7778d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3af5202521bb3f222ecfb92a37c0c865b2ea36bf132587ce4acc6ad4c6f7778d", kill_on_drop: false }`
[INFO] [stdout] 3af5202521bb3f222ecfb92a37c0c865b2ea36bf132587ce4acc6ad4c6f7778d