[INFO] fetching crate from_variant 0.1.3...
[INFO] testing from_variant-0.1.3 against 1.59.0 for beta-1.60-1
[INFO] extracting crate from_variant 0.1.3 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate from_variant 0.1.3 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 from_variant 0.1.3
[INFO] finished tweaking crates.io crate from_variant 0.1.3
[INFO] tweaked toml for crates.io crate from_variant 0.1.3 written to /workspace/builds/worker-31/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] e07e60b7f08ff5968611e2b71b66b850122093662f404a6eac6df3947bdb30d5
[INFO] running `Command { std: "docker" "start" "-a" "e07e60b7f08ff5968611e2b71b66b850122093662f404a6eac6df3947bdb30d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e07e60b7f08ff5968611e2b71b66b850122093662f404a6eac6df3947bdb30d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07e60b7f08ff5968611e2b71b66b850122093662f404a6eac6df3947bdb30d5", kill_on_drop: false }`
[INFO] [stdout] e07e60b7f08ff5968611e2b71b66b850122093662f404a6eac6df3947bdb30d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] b1d1352b331ecc1abd3790653bd75f0dcdbcdcea1ae1c751b9c0e23fb8b608e8
[INFO] running `Command { std: "docker" "start" "-a" "b1d1352b331ecc1abd3790653bd75f0dcdbcdcea1ae1c751b9c0e23fb8b608e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.65
[INFO] [stderr]    Compiling pmutil v0.5.3
[INFO] [stderr]    Compiling swc_macros_common v0.3.3
[INFO] [stderr]    Compiling from_variant v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.14s
[INFO] running `Command { std: "docker" "inspect" "b1d1352b331ecc1abd3790653bd75f0dcdbcdcea1ae1c751b9c0e23fb8b608e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1d1352b331ecc1abd3790653bd75f0dcdbcdcea1ae1c751b9c0e23fb8b608e8", kill_on_drop: false }`
[INFO] [stdout] b1d1352b331ecc1abd3790653bd75f0dcdbcdcea1ae1c751b9c0e23fb8b608e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 84622f7bb5609abc25a0dc5c8ff244e9b566627f804556304810452d877215ab
[INFO] running `Command { std: "docker" "start" "-a" "84622f7bb5609abc25a0dc5c8ff244e9b566627f804556304810452d877215ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling from_variant v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "84622f7bb5609abc25a0dc5c8ff244e9b566627f804556304810452d877215ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84622f7bb5609abc25a0dc5c8ff244e9b566627f804556304810452d877215ab", kill_on_drop: false }`
[INFO] [stdout] 84622f7bb5609abc25a0dc5c8ff244e9b566627f804556304810452d877215ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 6c2eb63652d032e9c5d5192efc29004949875688390380b91c8db071f4dbe7cf
[INFO] running `Command { std: "docker" "start" "-a" "6c2eb63652d032e9c5d5192efc29004949875688390380b91c8db071f4dbe7cf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/from_variant-ead8b3ce3bad3e0a)
[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 from_variant
[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" "6c2eb63652d032e9c5d5192efc29004949875688390380b91c8db071f4dbe7cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c2eb63652d032e9c5d5192efc29004949875688390380b91c8db071f4dbe7cf", kill_on_drop: false }`
[INFO] [stdout] 6c2eb63652d032e9c5d5192efc29004949875688390380b91c8db071f4dbe7cf