[INFO] fetching crate rust-visitor 0.2.1...
[INFO] testing rust-visitor-0.2.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rust-visitor 0.2.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rust-visitor 0.2.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rust-visitor 0.2.1
[INFO] finished tweaking crates.io crate rust-visitor 0.2.1
[INFO] tweaked toml for crates.io crate rust-visitor 0.2.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7cdffad7a70557ce5e3ccc565702673a0dbbf68d3b6b984ebdb017e1d3497b7
[INFO] running `Command { std: "docker" "start" "-a" "e7cdffad7a70557ce5e3ccc565702673a0dbbf68d3b6b984ebdb017e1d3497b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7cdffad7a70557ce5e3ccc565702673a0dbbf68d3b6b984ebdb017e1d3497b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7cdffad7a70557ce5e3ccc565702673a0dbbf68d3b6b984ebdb017e1d3497b7", kill_on_drop: false }`
[INFO] [stdout] e7cdffad7a70557ce5e3ccc565702673a0dbbf68d3b6b984ebdb017e1d3497b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a86f2a888dcd69799013c84e06dd135bec702978ea597065aa8e2d6e32b2861
[INFO] running `Command { std: "docker" "start" "-a" "5a86f2a888dcd69799013c84e06dd135bec702978ea597065aa8e2d6e32b2861", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling drop_bomb v0.1.5
[INFO] [stderr]    Compiling ra_ap_stdx v0.0.16
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling rustc-ap-rustc_lexer v673.0.0
[INFO] [stderr]    Compiling smol_str v0.1.18
[INFO] [stderr]    Compiling ra_ap_parser v0.0.16
[INFO] [stderr]    Compiling triomphe v0.1.3
[INFO] [stderr]    Compiling ra_ap_text_edit v0.0.16
[INFO] [stderr]    Compiling rowan v0.10.6
[INFO] [stderr]    Compiling ra_ap_syntax v0.0.16
[INFO] [stderr]    Compiling rust-visitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.43s
[INFO] running `Command { std: "docker" "inspect" "5a86f2a888dcd69799013c84e06dd135bec702978ea597065aa8e2d6e32b2861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a86f2a888dcd69799013c84e06dd135bec702978ea597065aa8e2d6e32b2861", kill_on_drop: false }`
[INFO] [stdout] 5a86f2a888dcd69799013c84e06dd135bec702978ea597065aa8e2d6e32b2861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c0ab355a8488e54304c7361e2f3e5a36b3b3e33130c895d343ab973cfba4142
[INFO] running `Command { std: "docker" "start" "-a" "3c0ab355a8488e54304c7361e2f3e5a36b3b3e33130c895d343ab973cfba4142", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-visitor v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "3c0ab355a8488e54304c7361e2f3e5a36b3b3e33130c895d343ab973cfba4142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c0ab355a8488e54304c7361e2f3e5a36b3b3e33130c895d343ab973cfba4142", kill_on_drop: false }`
[INFO] [stdout] 3c0ab355a8488e54304c7361e2f3e5a36b3b3e33130c895d343ab973cfba4142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 58b11d7479ac3b5a0bdee5f240a8d1ea8f38e1608b0118263ad265ea20ab3759
[INFO] running `Command { std: "docker" "start" "-a" "58b11d7479ac3b5a0bdee5f240a8d1ea8f38e1608b0118263ad265ea20ab3759", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_visitor-f9e97304e1cce162)
[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]    Doc-tests rust-visitor
[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" "58b11d7479ac3b5a0bdee5f240a8d1ea8f38e1608b0118263ad265ea20ab3759", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58b11d7479ac3b5a0bdee5f240a8d1ea8f38e1608b0118263ad265ea20ab3759", kill_on_drop: false }`
[INFO] [stdout] 58b11d7479ac3b5a0bdee5f240a8d1ea8f38e1608b0118263ad265ea20ab3759