[INFO] fetching crate hello_extern 0.1.1...
[INFO] testing hello_extern-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate hello_extern 0.1.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate hello_extern 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hello_extern 0.1.1
[INFO] finished tweaking crates.io crate hello_extern 0.1.1
[INFO] tweaked toml for crates.io crate hello_extern 0.1.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 965c6ec1137f726d8107fc92b0ac37f87ee5445f1083bd29c9ace97f380d2a12
[INFO] running `Command { std: "docker" "start" "-a" "965c6ec1137f726d8107fc92b0ac37f87ee5445f1083bd29c9ace97f380d2a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "965c6ec1137f726d8107fc92b0ac37f87ee5445f1083bd29c9ace97f380d2a12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "965c6ec1137f726d8107fc92b0ac37f87ee5445f1083bd29c9ace97f380d2a12", kill_on_drop: false }`
[INFO] [stdout] 965c6ec1137f726d8107fc92b0ac37f87ee5445f1083bd29c9ace97f380d2a12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb658e7db513c92fdedff9ce602d5f65f6eb30b9eaf36853f087ea785bd70ba
[INFO] running `Command { std: "docker" "start" "-a" "5cb658e7db513c92fdedff9ce602d5f65f6eb30b9eaf36853f087ea785bd70ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_extern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "5cb658e7db513c92fdedff9ce602d5f65f6eb30b9eaf36853f087ea785bd70ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb658e7db513c92fdedff9ce602d5f65f6eb30b9eaf36853f087ea785bd70ba", kill_on_drop: false }`
[INFO] [stdout] 5cb658e7db513c92fdedff9ce602d5f65f6eb30b9eaf36853f087ea785bd70ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ace3393023bd1ff66758fc67d4d68bed8e57546ff1edec83369abb2cbd5ef33
[INFO] running `Command { std: "docker" "start" "-a" "2ace3393023bd1ff66758fc67d4d68bed8e57546ff1edec83369abb2cbd5ef33", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hello_extern v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "2ace3393023bd1ff66758fc67d4d68bed8e57546ff1edec83369abb2cbd5ef33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ace3393023bd1ff66758fc67d4d68bed8e57546ff1edec83369abb2cbd5ef33", kill_on_drop: false }`
[INFO] [stdout] 2ace3393023bd1ff66758fc67d4d68bed8e57546ff1edec83369abb2cbd5ef33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e206b05d406229322a887d48c1ddfeaad4f558cca2345f7463d7fb680ab7bdda
[INFO] running `Command { std: "docker" "start" "-a" "e206b05d406229322a887d48c1ddfeaad4f558cca2345f7463d7fb680ab7bdda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hello_extern-64eaae3d274777e9)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/u_hello.rs (/opt/rustwide/target/debug/deps/u_hello-4b388b9c25adb5ad)
[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]    Doc-tests hello_extern
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works_at_uint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "e206b05d406229322a887d48c1ddfeaad4f558cca2345f7463d7fb680ab7bdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e206b05d406229322a887d48c1ddfeaad4f558cca2345f7463d7fb680ab7bdda", kill_on_drop: false }`
[INFO] [stdout] e206b05d406229322a887d48c1ddfeaad4f558cca2345f7463d7fb680ab7bdda