[INFO] fetching crate mobius 0.1.0...
[INFO] testing mobius-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mobius 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mobius 0.1.0 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 mobius 0.1.0
[INFO] finished tweaking crates.io crate mobius 0.1.0
[INFO] tweaked toml for crates.io crate mobius 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] dd8504f438a834d52a614ed5822ebf090966ef6bfdb65c04396c869f9bbc5310
[INFO] running `Command { std: "docker" "start" "-a" "dd8504f438a834d52a614ed5822ebf090966ef6bfdb65c04396c869f9bbc5310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8504f438a834d52a614ed5822ebf090966ef6bfdb65c04396c869f9bbc5310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8504f438a834d52a614ed5822ebf090966ef6bfdb65c04396c869f9bbc5310", kill_on_drop: false }`
[INFO] [stdout] dd8504f438a834d52a614ed5822ebf090966ef6bfdb65c04396c869f9bbc5310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f60cca0e750603466437d2ed3993993c3a2c69cbe75bc690f90e1dc57d5ecb73
[INFO] running `Command { std: "docker" "start" "-a" "f60cca0e750603466437d2ed3993993c3a2c69cbe75bc690f90e1dc57d5ecb73", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling mobius v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 8.02s
[INFO] running `Command { std: "docker" "inspect" "f60cca0e750603466437d2ed3993993c3a2c69cbe75bc690f90e1dc57d5ecb73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f60cca0e750603466437d2ed3993993c3a2c69cbe75bc690f90e1dc57d5ecb73", kill_on_drop: false }`
[INFO] [stdout] f60cca0e750603466437d2ed3993993c3a2c69cbe75bc690f90e1dc57d5ecb73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 0c4c153150ba80211c75379c924fd78f5c171716b4bf62712d510ef6933952ed
[INFO] running `Command { std: "docker" "start" "-a" "0c4c153150ba80211c75379c924fd78f5c171716b4bf62712d510ef6933952ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mobius v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "0c4c153150ba80211c75379c924fd78f5c171716b4bf62712d510ef6933952ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c4c153150ba80211c75379c924fd78f5c171716b4bf62712d510ef6933952ed", kill_on_drop: false }`
[INFO] [stdout] 0c4c153150ba80211c75379c924fd78f5c171716b4bf62712d510ef6933952ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b0b2278ce226207da6a80084bfb834797ba5d7e95a6f2ea2f849cea7b7c081e7
[INFO] running `Command { std: "docker" "start" "-a" "b0b2278ce226207da6a80084bfb834797ba5d7e95a6f2ea2f849cea7b7c081e7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.71s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mobius-ce51151d0aec4283)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mobius
[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" "b0b2278ce226207da6a80084bfb834797ba5d7e95a6f2ea2f849cea7b7c081e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b2278ce226207da6a80084bfb834797ba5d7e95a6f2ea2f849cea7b7c081e7", kill_on_drop: false }`
[INFO] [stdout] b0b2278ce226207da6a80084bfb834797ba5d7e95a6f2ea2f849cea7b7c081e7