[INFO] fetching crate hidden 0.0.1-alpha...
[INFO] testing hidden-0.0.1-alpha against 1.59.0 for beta-1.60-1
[INFO] extracting crate hidden 0.0.1-alpha into /workspace/builds/worker-104/source
[INFO] validating manifest of crates.io crate hidden 0.0.1-alpha 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 hidden 0.0.1-alpha
[INFO] finished tweaking crates.io crate hidden 0.0.1-alpha
[INFO] tweaked toml for crates.io crate hidden 0.0.1-alpha written to /workspace/builds/worker-104/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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 5b1144f9d39665987b704f807454b03dfdf731639187e8d6794b0af8f744c1d4
[INFO] running `Command { std: "docker" "start" "-a" "5b1144f9d39665987b704f807454b03dfdf731639187e8d6794b0af8f744c1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b1144f9d39665987b704f807454b03dfdf731639187e8d6794b0af8f744c1d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b1144f9d39665987b704f807454b03dfdf731639187e8d6794b0af8f744c1d4", kill_on_drop: false }`
[INFO] [stdout] 5b1144f9d39665987b704f807454b03dfdf731639187e8d6794b0af8f744c1d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 1c3276f818c88f7f884bd9948b94641dddfad33eaeee120bf614503feb6d2dc3
[INFO] running `Command { std: "docker" "start" "-a" "1c3276f818c88f7f884bd9948b94641dddfad33eaeee120bf614503feb6d2dc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hidden v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.63s
[INFO] running `Command { std: "docker" "inspect" "1c3276f818c88f7f884bd9948b94641dddfad33eaeee120bf614503feb6d2dc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c3276f818c88f7f884bd9948b94641dddfad33eaeee120bf614503feb6d2dc3", kill_on_drop: false }`
[INFO] [stdout] 1c3276f818c88f7f884bd9948b94641dddfad33eaeee120bf614503feb6d2dc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 679823c87c959ddd034018b87d192d743d2f2b86e2ab808359791b243bc2d27d
[INFO] running `Command { std: "docker" "start" "-a" "679823c87c959ddd034018b87d192d743d2f2b86e2ab808359791b243bc2d27d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hidden v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "679823c87c959ddd034018b87d192d743d2f2b86e2ab808359791b243bc2d27d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679823c87c959ddd034018b87d192d743d2f2b86e2ab808359791b243bc2d27d", kill_on_drop: false }`
[INFO] [stdout] 679823c87c959ddd034018b87d192d743d2f2b86e2ab808359791b243bc2d27d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] ff8fe4970af7cfc7a80706b5a318a132de2eb6a51cb057cb16a35e28ef15ce8a
[INFO] running `Command { std: "docker" "start" "-a" "ff8fe4970af7cfc7a80706b5a318a132de2eb6a51cb057cb16a35e28ef15ce8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hidden-6d26cb2fc85043ec)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dispenser::some_and_none ... ok
[INFO] [stdout] test dispenser::enums ... ok
[INFO] [stdout] test dispenser::numbers ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hidden
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/dispenser.rs - dispenser::Hand::choose (line 116) ... ok
[INFO] [stdout] test src/dispenser.rs - dispenser (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff8fe4970af7cfc7a80706b5a318a132de2eb6a51cb057cb16a35e28ef15ce8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff8fe4970af7cfc7a80706b5a318a132de2eb6a51cb057cb16a35e28ef15ce8a", kill_on_drop: false }`
[INFO] [stdout] ff8fe4970af7cfc7a80706b5a318a132de2eb6a51cb057cb16a35e28ef15ce8a