[INFO] fetching crate rustrank 0.0.1...
[INFO] testing rustrank-0.0.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate rustrank 0.0.1 into /workspace/builds/worker-86/source
[INFO] validating manifest of crates.io crate rustrank 0.0.1 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 crates.io crate rustrank 0.0.1
[INFO] finished tweaking crates.io crate rustrank 0.0.1
[INFO] tweaked toml for crates.io crate rustrank 0.0.1 written to /workspace/builds/worker-86/source/Cargo.toml
[INFO] crate crates.io crate rustrank 0.0.1 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-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] ce6d962a3e46cefa7e3a0dab9791efa614dcd84081bbcb12a4d7950c096ce56c
[INFO] running `Command { std: "docker" "start" "-a" "ce6d962a3e46cefa7e3a0dab9791efa614dcd84081bbcb12a4d7950c096ce56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce6d962a3e46cefa7e3a0dab9791efa614dcd84081bbcb12a4d7950c096ce56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce6d962a3e46cefa7e3a0dab9791efa614dcd84081bbcb12a4d7950c096ce56c", kill_on_drop: false }`
[INFO] [stdout] ce6d962a3e46cefa7e3a0dab9791efa614dcd84081bbcb12a4d7950c096ce56c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] 363acfde638f6b05127a397ae8824a6e9aeee214300e5b12a926f226b3e9232d
[INFO] running `Command { std: "docker" "start" "-a" "363acfde638f6b05127a397ae8824a6e9aeee214300e5b12a926f226b3e9232d", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustrank v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "363acfde638f6b05127a397ae8824a6e9aeee214300e5b12a926f226b3e9232d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "363acfde638f6b05127a397ae8824a6e9aeee214300e5b12a926f226b3e9232d", kill_on_drop: false }`
[INFO] [stdout] 363acfde638f6b05127a397ae8824a6e9aeee214300e5b12a926f226b3e9232d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] d0a6adba39618b703bbeea21e2220a68299e40ac784ef910df06ced34a360138
[INFO] running `Command { std: "docker" "start" "-a" "d0a6adba39618b703bbeea21e2220a68299e40ac784ef910df06ced34a360138", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustrank v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "d0a6adba39618b703bbeea21e2220a68299e40ac784ef910df06ced34a360138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a6adba39618b703bbeea21e2220a68299e40ac784ef910df06ced34a360138", kill_on_drop: false }`
[INFO] [stdout] d0a6adba39618b703bbeea21e2220a68299e40ac784ef910df06ced34a360138
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-86/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] ebc942100c980aa5e17c6d68dca83d0de4ab37501277c9187a8bb4efdb65939e
[INFO] running `Command { std: "docker" "start" "-a" "ebc942100c980aa5e17c6d68dca83d0de4ab37501277c9187a8bb4efdb65939e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustrank-57ed9b7fdcdbcb37)
[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" "ebc942100c980aa5e17c6d68dca83d0de4ab37501277c9187a8bb4efdb65939e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebc942100c980aa5e17c6d68dca83d0de4ab37501277c9187a8bb4efdb65939e", kill_on_drop: false }`
[INFO] [stdout] ebc942100c980aa5e17c6d68dca83d0de4ab37501277c9187a8bb4efdb65939e