[INFO] cloning repository https://github.com/ktat/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/ktat/rust_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e24829a52a11f66a1a2d4ff4a0f65b347afd89a6
[INFO] testing ktat/rust_practice against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fktat%2Frust_practice" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] [stderr] Updating files:  75% (3/4)
Updating files: 100% (4/4)
Updating files: 100% (4/4), done.
[INFO] validating manifest of git repo https://github.com/ktat/rust_practice 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/ktat/rust_practice
[INFO] finished tweaking git repo https://github.com/ktat/rust_practice
[INFO] tweaked toml for git repo https://github.com/ktat/rust_practice written to /workspace/builds/worker-98/source/Cargo.toml
[INFO] crate git repo https://github.com/ktat/rust_practice 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 7fb4577d4a96bc4da1eea755ebd820f19bcbaf4264b6d33a87fcf3be8a16d641
[INFO] running `Command { std: "docker" "start" "-a" "7fb4577d4a96bc4da1eea755ebd820f19bcbaf4264b6d33a87fcf3be8a16d641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fb4577d4a96bc4da1eea755ebd820f19bcbaf4264b6d33a87fcf3be8a16d641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb4577d4a96bc4da1eea755ebd820f19bcbaf4264b6d33a87fcf3be8a16d641", kill_on_drop: false }`
[INFO] [stdout] 7fb4577d4a96bc4da1eea755ebd820f19bcbaf4264b6d33a87fcf3be8a16d641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 4d3efb6e2b4d2d323c18201faed387d6d8c95ca172336d3e1e4ccf6ace3b4924
[INFO] running `Command { std: "docker" "start" "-a" "4d3efb6e2b4d2d323c18201faed387d6d8c95ca172336d3e1e4ccf6ace3b4924", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "4d3efb6e2b4d2d323c18201faed387d6d8c95ca172336d3e1e4ccf6ace3b4924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3efb6e2b4d2d323c18201faed387d6d8c95ca172336d3e1e4ccf6ace3b4924", kill_on_drop: false }`
[INFO] [stdout] 4d3efb6e2b4d2d323c18201faed387d6d8c95ca172336d3e1e4ccf6ace3b4924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] 1285de215465fdfb5ff14849ef1dcea1ae6f1a6bb204b73f23aefa4fd443a507
[INFO] running `Command { std: "docker" "start" "-a" "1285de215465fdfb5ff14849ef1dcea1ae6f1a6bb204b73f23aefa4fd443a507", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "1285de215465fdfb5ff14849ef1dcea1ae6f1a6bb204b73f23aefa4fd443a507", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1285de215465fdfb5ff14849ef1dcea1ae6f1a6bb204b73f23aefa4fd443a507", kill_on_drop: false }`
[INFO] [stdout] 1285de215465fdfb5ff14849ef1dcea1ae6f1a6bb204b73f23aefa4fd443a507
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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] b0661c526cc8408aa0eaab69f75b38bc825377c239f0b77f62813864750bf86e
[INFO] running `Command { std: "docker" "start" "-a" "b0661c526cc8408aa0eaab69f75b38bc825377c239f0b77f62813864750bf86e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_practice-ee621c619be58a2c)
[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" "b0661c526cc8408aa0eaab69f75b38bc825377c239f0b77f62813864750bf86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0661c526cc8408aa0eaab69f75b38bc825377c239f0b77f62813864750bf86e", kill_on_drop: false }`
[INFO] [stdout] b0661c526cc8408aa0eaab69f75b38bc825377c239f0b77f62813864750bf86e