[INFO] fetching crate terbilang 0.1.0...
[INFO] testing terbilang-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate terbilang 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate terbilang 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terbilang 0.1.0
[INFO] finished tweaking crates.io crate terbilang 0.1.0
[INFO] tweaked toml for crates.io crate terbilang 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 53743eb75589b3a2ab8128e5e3040bce50941b54129bcd75dbcdb859bdb7d88f
[INFO] running `Command { std: "docker" "start" "-a" "53743eb75589b3a2ab8128e5e3040bce50941b54129bcd75dbcdb859bdb7d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "53743eb75589b3a2ab8128e5e3040bce50941b54129bcd75dbcdb859bdb7d88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53743eb75589b3a2ab8128e5e3040bce50941b54129bcd75dbcdb859bdb7d88f", kill_on_drop: false }`
[INFO] [stdout] 53743eb75589b3a2ab8128e5e3040bce50941b54129bcd75dbcdb859bdb7d88f
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 904f8a07de85d6f50aaca321e57b42f87e7cd45079f024bd25316ddcd424be64
[INFO] running `Command { std: "docker" "start" "-a" "904f8a07de85d6f50aaca321e57b42f87e7cd45079f024bd25316ddcd424be64", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling terbilang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]  --> src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     number: T
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.73s
[INFO] running `Command { std: "docker" "inspect" "904f8a07de85d6f50aaca321e57b42f87e7cd45079f024bd25316ddcd424be64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "904f8a07de85d6f50aaca321e57b42f87e7cd45079f024bd25316ddcd424be64", kill_on_drop: false }`
[INFO] [stdout] 904f8a07de85d6f50aaca321e57b42f87e7cd45079f024bd25316ddcd424be64
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b4fe106e6334600c9522f39bc4a111289445b95f1236c1206ce0acdb13a964d
[INFO] running `Command { std: "docker" "start" "-a" "9b4fe106e6334600c9522f39bc4a111289445b95f1236c1206ce0acdb13a964d", kill_on_drop: false }`
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]  --> src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     number: T
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling terbilang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]  --> src/lib.rs:4:2
[INFO] [stdout]   |
[INFO] [stdout] 4 |     number: T
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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 0.67s
[INFO] running `Command { std: "docker" "inspect" "9b4fe106e6334600c9522f39bc4a111289445b95f1236c1206ce0acdb13a964d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b4fe106e6334600c9522f39bc4a111289445b95f1236c1206ce0acdb13a964d", kill_on_drop: false }`
[INFO] [stdout] 9b4fe106e6334600c9522f39bc4a111289445b95f1236c1206ce0acdb13a964d
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 73933e947826b4fa36c03a06f5c5b9150be88fb706344e13ed1565f58d7441dc
[INFO] running `Command { std: "docker" "start" "-a" "73933e947826b4fa36c03a06f5c5b9150be88fb706344e13ed1565f58d7441dc", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]  --> src/lib.rs:4:2
[INFO] [stderr]   |
[INFO] [stderr] 4 |     number: T
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `terbilang` (lib) generated 1 warning
[INFO] [stderr] warning: `terbilang` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/terbilang-2314fd9e69c36c92)
[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]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-cce624eb2272c448)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests terbilang
[INFO] [stdout] test tests::test_integer ... 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" "73933e947826b4fa36c03a06f5c5b9150be88fb706344e13ed1565f58d7441dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73933e947826b4fa36c03a06f5c5b9150be88fb706344e13ed1565f58d7441dc", kill_on_drop: false }`
[INFO] [stdout] 73933e947826b4fa36c03a06f5c5b9150be88fb706344e13ed1565f58d7441dc