[INFO] fetching crate bigcollatz 0.3.0...
[INFO] testing bigcollatz-0.3.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate bigcollatz 0.3.0 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate bigcollatz 0.3.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bigcollatz 0.3.0
[INFO] finished tweaking crates.io crate bigcollatz 0.3.0
[INFO] tweaked toml for crates.io crate bigcollatz 0.3.0 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f8c39d32891713945b79fa444e06f23ed3b154d15be2dba10be939479f67174
[INFO] running `Command { std: "docker" "start" "-a" "5f8c39d32891713945b79fa444e06f23ed3b154d15be2dba10be939479f67174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f8c39d32891713945b79fa444e06f23ed3b154d15be2dba10be939479f67174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8c39d32891713945b79fa444e06f23ed3b154d15be2dba10be939479f67174", kill_on_drop: false }`
[INFO] [stdout] 5f8c39d32891713945b79fa444e06f23ed3b154d15be2dba10be939479f67174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d64864a734d7a24d262b5d12449263edd8568ee8cbbaa35fd703223c262be151
[INFO] running `Command { std: "docker" "start" "-a" "d64864a734d7a24d262b5d12449263edd8568ee8cbbaa35fd703223c262be151", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling bigcollatz v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num_bigint::ToBigUint`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_bigint::ToBigUint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.14s
[INFO] running `Command { std: "docker" "inspect" "d64864a734d7a24d262b5d12449263edd8568ee8cbbaa35fd703223c262be151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d64864a734d7a24d262b5d12449263edd8568ee8cbbaa35fd703223c262be151", kill_on_drop: false }`
[INFO] [stdout] d64864a734d7a24d262b5d12449263edd8568ee8cbbaa35fd703223c262be151
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae65258a6710606a8298c11f44d71d480ccf1c3f8fd2add3a5fbcd8425935476
[INFO] running `Command { std: "docker" "start" "-a" "ae65258a6710606a8298c11f44d71d480ccf1c3f8fd2add3a5fbcd8425935476", kill_on_drop: false }`
[INFO] [stderr]    Compiling bigcollatz v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `num_bigint::ToBigUint`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use num_bigint::ToBigUint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "ae65258a6710606a8298c11f44d71d480ccf1c3f8fd2add3a5fbcd8425935476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae65258a6710606a8298c11f44d71d480ccf1c3f8fd2add3a5fbcd8425935476", kill_on_drop: false }`
[INFO] [stdout] ae65258a6710606a8298c11f44d71d480ccf1c3f8fd2add3a5fbcd8425935476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a051fb04e1d1b0f889a6b4a73cb5634979b606b6252acbb12a72e67150e8c61
[INFO] running `Command { std: "docker" "start" "-a" "2a051fb04e1d1b0f889a6b4a73cb5634979b606b6252acbb12a72e67150e8c61", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `num_bigint::ToBigUint`
[INFO] [stderr]  --> src/lib.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use num_bigint::ToBigUint;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/bigcollatz-9e29989e77d6ee1b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bigcollatz
[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] [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" "2a051fb04e1d1b0f889a6b4a73cb5634979b606b6252acbb12a72e67150e8c61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a051fb04e1d1b0f889a6b4a73cb5634979b606b6252acbb12a72e67150e8c61", kill_on_drop: false }`
[INFO] [stdout] 2a051fb04e1d1b0f889a6b4a73cb5634979b606b6252acbb12a72e67150e8c61
