[INFO] cloning repository https://github.com/claeri27/rust-from-scratch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/claeri27/rust-from-scratch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclaeri27%2Frust-from-scratch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclaeri27%2Frust-from-scratch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 297aeef3dbea4a56a797e53a0e39b2865ae56d10
[INFO] testing claeri27/rust-from-scratch against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fclaeri27%2Frust-from-scratch" "/workspace/builds/worker-64/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-64/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/claeri27/rust-from-scratch 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/claeri27/rust-from-scratch
[INFO] finished tweaking git repo https://github.com/claeri27/rust-from-scratch
[INFO] tweaked toml for git repo https://github.com/claeri27/rust-from-scratch written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] crate git repo https://github.com/claeri27/rust-from-scratch 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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 0db8b427d46f1e3d91cb90417e8a616fb49874cd81724ece0b8dd8ff43c3230a
[INFO] running `Command { std: "docker" "start" "-a" "0db8b427d46f1e3d91cb90417e8a616fb49874cd81724ece0b8dd8ff43c3230a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0db8b427d46f1e3d91cb90417e8a616fb49874cd81724ece0b8dd8ff43c3230a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db8b427d46f1e3d91cb90417e8a616fb49874cd81724ece0b8dd8ff43c3230a", kill_on_drop: false }`
[INFO] [stdout] 0db8b427d46f1e3d91cb90417e8a616fb49874cd81724ece0b8dd8ff43c3230a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] f64f9ed3637c1022e8351217af8982a3febaaf70c81b73710804b5d27f80adda
[INFO] running `Command { std: "docker" "start" "-a" "f64f9ed3637c1022e8351217af8982a3febaaf70c81b73710804b5d27f80adda", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "f64f9ed3637c1022e8351217af8982a3febaaf70c81b73710804b5d27f80adda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f64f9ed3637c1022e8351217af8982a3febaaf70c81b73710804b5d27f80adda", kill_on_drop: false }`
[INFO] [stdout] f64f9ed3637c1022e8351217af8982a3febaaf70c81b73710804b5d27f80adda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 7f6dac4a5404ffe9d947a05db2e492a8d9aca75d447846fc31b085c7a392e2b3
[INFO] running `Command { std: "docker" "start" "-a" "7f6dac4a5404ffe9d947a05db2e492a8d9aca75d447846fc31b085c7a392e2b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.38s
[INFO] running `Command { std: "docker" "inspect" "7f6dac4a5404ffe9d947a05db2e492a8d9aca75d447846fc31b085c7a392e2b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f6dac4a5404ffe9d947a05db2e492a8d9aca75d447846fc31b085c7a392e2b3", kill_on_drop: false }`
[INFO] [stdout] 7f6dac4a5404ffe9d947a05db2e492a8d9aca75d447846fc31b085c7a392e2b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 39a861516deb88164fb5bbe843ce77f659fbef6bbc4258a9d3439e9e943a5bb8
[INFO] running `Command { std: "docker" "start" "-a" "39a861516deb88164fb5bbe843ce77f659fbef6bbc4258a9d3439e9e943a5bb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_test-e0950b28ae701897)
[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" "39a861516deb88164fb5bbe843ce77f659fbef6bbc4258a9d3439e9e943a5bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39a861516deb88164fb5bbe843ce77f659fbef6bbc4258a9d3439e9e943a5bb8", kill_on_drop: false }`
[INFO] [stdout] 39a861516deb88164fb5bbe843ce77f659fbef6bbc4258a9d3439e9e943a5bb8