[INFO] fetching crate hidden 0.0.1-alpha...
[INFO] testing hidden-0.0.1-alpha against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate hidden 0.0.1-alpha into /workspace/builds/worker-61/source
[INFO] validating manifest of crates.io crate hidden 0.0.1-alpha on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-61/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3ac576f6531e649d1ffa7561cb95a4f663c2c85823c3acfbe99190332387c7a
[INFO] running `Command { std: "docker" "start" "-a" "e3ac576f6531e649d1ffa7561cb95a4f663c2c85823c3acfbe99190332387c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3ac576f6531e649d1ffa7561cb95a4f663c2c85823c3acfbe99190332387c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3ac576f6531e649d1ffa7561cb95a4f663c2c85823c3acfbe99190332387c7a", kill_on_drop: false }`
[INFO] [stdout] e3ac576f6531e649d1ffa7561cb95a4f663c2c85823c3acfbe99190332387c7a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aeed7abbe782d11c4a50dd353439a83dfc3d85d3d3d3f0489d1254a4ca4c7263
[INFO] running `Command { std: "docker" "start" "-a" "aeed7abbe782d11c4a50dd353439a83dfc3d85d3d3d3f0489d1254a4ca4c7263", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[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 4.29s
[INFO] running `Command { std: "docker" "inspect" "aeed7abbe782d11c4a50dd353439a83dfc3d85d3d3d3f0489d1254a4ca4c7263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeed7abbe782d11c4a50dd353439a83dfc3d85d3d3d3f0489d1254a4ca4c7263", kill_on_drop: false }`
[INFO] [stdout] aeed7abbe782d11c4a50dd353439a83dfc3d85d3d3d3f0489d1254a4ca4c7263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77d0e7074ac3fbb4f1ca26f4253032b6ec590842ee7047ef19dbc57d746911a4
[INFO] running `Command { std: "docker" "start" "-a" "77d0e7074ac3fbb4f1ca26f4253032b6ec590842ee7047ef19dbc57d746911a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hidden v0.0.1-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "77d0e7074ac3fbb4f1ca26f4253032b6ec590842ee7047ef19dbc57d746911a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d0e7074ac3fbb4f1ca26f4253032b6ec590842ee7047ef19dbc57d746911a4", kill_on_drop: false }`
[INFO] [stdout] 77d0e7074ac3fbb4f1ca26f4253032b6ec590842ee7047ef19dbc57d746911a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b79c67428bc55f07b1d29b169e29dbcdf6df28a84cbaa7fdad825c83713bd0c4
[INFO] running `Command { std: "docker" "start" "-a" "b79c67428bc55f07b1d29b169e29dbcdf6df28a84cbaa7fdad825c83713bd0c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hidden-8166d32e281d3f19)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test dispenser::some_and_none ... ok
[INFO] [stdout] test dispenser::numbers ... ok
[INFO] [stdout] test dispenser::enums ... 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 0.71s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b79c67428bc55f07b1d29b169e29dbcdf6df28a84cbaa7fdad825c83713bd0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79c67428bc55f07b1d29b169e29dbcdf6df28a84cbaa7fdad825c83713bd0c4", kill_on_drop: false }`
[INFO] [stdout] b79c67428bc55f07b1d29b169e29dbcdf6df28a84cbaa7fdad825c83713bd0c4