[INFO] fetching crate scanner-rust 2.0.15...
[INFO] testing scanner-rust-2.0.15 against 1.55.0 for beta-1.56-1
[INFO] extracting crate scanner-rust 2.0.15 into /workspace/builds/worker-105/source
[INFO] validating manifest of crates.io crate scanner-rust 2.0.15 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 scanner-rust 2.0.15
[INFO] finished tweaking crates.io crate scanner-rust 2.0.15
[INFO] tweaked toml for crates.io crate scanner-rust 2.0.15 written to /workspace/builds/worker-105/source/Cargo.toml
[INFO] crate crates.io crate scanner-rust 2.0.15 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded generic-array v0.14.1
[INFO] [stderr]   Downloaded utf8-width v0.1.0
[INFO] [stderr]   Downloaded educe v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 2e22fcee5be8ab87c180a43a5862662611e0119d407654c8131771d137b873f0
[INFO] running `Command { std: "docker" "start" "-a" "2e22fcee5be8ab87c180a43a5862662611e0119d407654c8131771d137b873f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e22fcee5be8ab87c180a43a5862662611e0119d407654c8131771d137b873f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e22fcee5be8ab87c180a43a5862662611e0119d407654c8131771d137b873f0", kill_on_drop: false }`
[INFO] [stdout] 2e22fcee5be8ab87c180a43a5862662611e0119d407654c8131771d137b873f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 75f9d3cba552b367e1251a89854b37599402129142e84c84bc93ed8cdafd4689
[INFO] running `Command { std: "docker" "start" "-a" "75f9d3cba552b367e1251a89854b37599402129142e84c84bc93ed8cdafd4689", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling utf8-width v0.1.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling generic-array v0.14.1
[INFO] [stderr]    Compiling educe v0.4.2
[INFO] [stderr]    Compiling scanner-rust v2.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.72s
[INFO] running `Command { std: "docker" "inspect" "75f9d3cba552b367e1251a89854b37599402129142e84c84bc93ed8cdafd4689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75f9d3cba552b367e1251a89854b37599402129142e84c84bc93ed8cdafd4689", kill_on_drop: false }`
[INFO] [stdout] 75f9d3cba552b367e1251a89854b37599402129142e84c84bc93ed8cdafd4689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 8d2114981f27297f3365d4ea2ac6a1596c3f0d4d2bdb1f1affc71ef51e569c7f
[INFO] running `Command { std: "docker" "start" "-a" "8d2114981f27297f3365d4ea2ac6a1596c3f0d4d2bdb1f1affc71ef51e569c7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling scanner-rust v2.0.15 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "8d2114981f27297f3365d4ea2ac6a1596c3f0d4d2bdb1f1affc71ef51e569c7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d2114981f27297f3365d4ea2ac6a1596c3f0d4d2bdb1f1affc71ef51e569c7f", kill_on_drop: false }`
[INFO] [stdout] 8d2114981f27297f3365d4ea2ac6a1596c3f0d4d2bdb1f1affc71ef51e569c7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-105/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] 369c6297d0444dbe6a90bf8b2c2f003c45451791b1ffb0baa0d41c686e562871
[INFO] running `Command { std: "docker" "start" "-a" "369c6297d0444dbe6a90bf8b2c2f003c45451791b1ffb0baa0d41c686e562871", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scanner_rust-f5484a1844df1caa)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests scanner-rust
[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] [stdout] 
[INFO] [stdout] running 203 tests
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name scanner_rust --test /opt/rustwide/workdir/src/lib.rs -L dependency=/opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern educe=/opt/rustwide/target/debug/deps/libeduce-9e540fc1b2a4dad1.so --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-6bc14c52e5023027.rlib --extern scanner_rust=/opt/rustwide/target/debug/deps/libscanner_rust-501c6ddf2f006886.rlib --extern utf8_width=/opt/rustwide/target/debug/deps/libutf8_width-b02113c62a9b6df5.rlib -C embed-bitcode=no --error-format human` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "369c6297d0444dbe6a90bf8b2c2f003c45451791b1ffb0baa0d41c686e562871", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "369c6297d0444dbe6a90bf8b2c2f003c45451791b1ffb0baa0d41c686e562871", kill_on_drop: false }`
[INFO] [stdout] 369c6297d0444dbe6a90bf8b2c2f003c45451791b1ffb0baa0d41c686e562871