[INFO] fetching crate variant_counter_derived 0.4.0...
[INFO] testing variant_counter_derived-0.4.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate variant_counter_derived 0.4.0 into /workspace/builds/worker-24/source
[INFO] validating manifest of crates.io crate variant_counter_derived 0.4.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variant_counter_derived 0.4.0
[INFO] finished tweaking crates.io crate variant_counter_derived 0.4.0
[INFO] tweaked toml for crates.io crate variant_counter_derived 0.4.0 written to /workspace/builds/worker-24/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82eee1c408a9cfc4f063fb90fd15a3ed9fbe077ce689f758c62a7f6a4f45184
[INFO] running `Command { std: "docker" "start" "-a" "f82eee1c408a9cfc4f063fb90fd15a3ed9fbe077ce689f758c62a7f6a4f45184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82eee1c408a9cfc4f063fb90fd15a3ed9fbe077ce689f758c62a7f6a4f45184", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82eee1c408a9cfc4f063fb90fd15a3ed9fbe077ce689f758c62a7f6a4f45184", kill_on_drop: false }`
[INFO] [stdout] f82eee1c408a9cfc4f063fb90fd15a3ed9fbe077ce689f758c62a7f6a4f45184
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa731c62733073fb362577361b9b659c98b31810c5d512bf8a11b27bc85eec47
[INFO] running `Command { std: "docker" "start" "-a" "aa731c62733073fb362577361b9b659c98b31810c5d512bf8a11b27bc85eec47", kill_on_drop: false }`
[INFO] [stderr]    Compiling variant_counter_derived v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "aa731c62733073fb362577361b9b659c98b31810c5d512bf8a11b27bc85eec47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa731c62733073fb362577361b9b659c98b31810c5d512bf8a11b27bc85eec47", kill_on_drop: false }`
[INFO] [stdout] aa731c62733073fb362577361b9b659c98b31810c5d512bf8a11b27bc85eec47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65ce35ed2fffdae2bb150e43f3bac2295ee4b470b267fc4b0dcd4d74ff496fbc
[INFO] running `Command { std: "docker" "start" "-a" "65ce35ed2fffdae2bb150e43f3bac2295ee4b470b267fc4b0dcd4d74ff496fbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variant_counter_derived v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "65ce35ed2fffdae2bb150e43f3bac2295ee4b470b267fc4b0dcd4d74ff496fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65ce35ed2fffdae2bb150e43f3bac2295ee4b470b267fc4b0dcd4d74ff496fbc", kill_on_drop: false }`
[INFO] [stdout] 65ce35ed2fffdae2bb150e43f3bac2295ee4b470b267fc4b0dcd4d74ff496fbc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 66e0aac793c82b604a8e4a2633aedaebd83844cd2e4b21f404f3e9a9eec323d7
[INFO] running `Command { std: "docker" "start" "-a" "66e0aac793c82b604a8e4a2633aedaebd83844cd2e4b21f404f3e9a9eec323d7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variant_counter_derived-3593ca83d99d0c85)
[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 variant_counter_derived
[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" "66e0aac793c82b604a8e4a2633aedaebd83844cd2e4b21f404f3e9a9eec323d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66e0aac793c82b604a8e4a2633aedaebd83844cd2e4b21f404f3e9a9eec323d7", kill_on_drop: false }`
[INFO] [stdout] 66e0aac793c82b604a8e4a2633aedaebd83844cd2e4b21f404f3e9a9eec323d7