[INFO] fetching crate ibig 0.0.0...
[INFO] testing ibig-0.0.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate ibig 0.0.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate ibig 0.0.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ibig 0.0.0
[INFO] finished tweaking crates.io crate ibig 0.0.0
[INFO] tweaked toml for crates.io crate ibig 0.0.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61ca3754b130bd6bc8d36bd6fcb1f073b6e7acc93d125331ff163bb2dd69d154
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61ca3754b130bd6bc8d36bd6fcb1f073b6e7acc93d125331ff163bb2dd69d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61ca3754b130bd6bc8d36bd6fcb1f073b6e7acc93d125331ff163bb2dd69d154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61ca3754b130bd6bc8d36bd6fcb1f073b6e7acc93d125331ff163bb2dd69d154", kill_on_drop: false }`
[INFO] [stdout] 61ca3754b130bd6bc8d36bd6fcb1f073b6e7acc93d125331ff163bb2dd69d154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 89bd5023bf10f891036146ca751d7378875cce3a14869de5445991e37cc824ce
[INFO] running `Command { std: "docker" "start" "-a" "89bd5023bf10f891036146ca751d7378875cce3a14869de5445991e37cc824ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibig v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `DoubleWord`
[INFO] [stdout]   --> src/ubig/word.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type DoubleWord = u128;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WORD_BITS`
[INFO] [stdout]   --> src/ubig/word.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const WORD_BITS: u32 = (0 as Word).trailing_zeros();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Small`
[INFO] [stdout]   --> src/ubig.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Small(Word),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Large`
[INFO] [stdout]   --> src/ubig.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Large(Vec<Word>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "89bd5023bf10f891036146ca751d7378875cce3a14869de5445991e37cc824ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bd5023bf10f891036146ca751d7378875cce3a14869de5445991e37cc824ce", kill_on_drop: false }`
[INFO] [stdout] 89bd5023bf10f891036146ca751d7378875cce3a14869de5445991e37cc824ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6145b5a3ab0fcd9c464266e2b154b42cdb8b46011bdefa94fef62d06d5714356
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6145b5a3ab0fcd9c464266e2b154b42cdb8b46011bdefa94fef62d06d5714356", kill_on_drop: false }`
[INFO] [stderr]    Compiling ibig v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `DoubleWord`
[INFO] [stdout]   --> src/ubig/word.rs:20:1
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub type DoubleWord = u128;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `WORD_BITS`
[INFO] [stdout]   --> src/ubig/word.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub const WORD_BITS: u32 = (0 as Word).trailing_zeros();
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Small`
[INFO] [stdout]   --> src/ubig.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Small(Word),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Large`
[INFO] [stdout]   --> src/ubig.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Large(Vec<Word>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Small`
[INFO] [stdout]   --> src/ubig.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Small(Word),
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Large`
[INFO] [stdout]   --> src/ubig.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Large(Vec<Word>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "6145b5a3ab0fcd9c464266e2b154b42cdb8b46011bdefa94fef62d06d5714356", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6145b5a3ab0fcd9c464266e2b154b42cdb8b46011bdefa94fef62d06d5714356", kill_on_drop: false }`
[INFO] [stdout] 6145b5a3ab0fcd9c464266e2b154b42cdb8b46011bdefa94fef62d06d5714356
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 407d4dd16efa1583f289dd0d51b42643cf0d05ade7d0e6f05d74f0ce7d45cd27
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "407d4dd16efa1583f289dd0d51b42643cf0d05ade7d0e6f05d74f0ce7d45cd27", kill_on_drop: false }`
[INFO] [stderr] warning: type alias is never used: `DoubleWord`
[INFO] [stderr]   --> src/ubig/word.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | pub type DoubleWord = u128;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `WORD_BITS`
[INFO] [stderr]   --> src/ubig/word.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub const WORD_BITS: u32 = (0 as Word).trailing_zeros();
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Small`
[INFO] [stderr]   --> src/ubig.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Small(Word),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Large`
[INFO] [stderr]   --> src/ubig.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Large(Vec<Word>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Small`
[INFO] [stderr]   --> src/ubig.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     Small(Word),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Large`
[INFO] [stderr]   --> src/ubig.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     Large(Vec<Word>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/ibig-cd5e50e4372211b9
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests ibig
[INFO] [stdout] test ubig::word::tests::double_word_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "407d4dd16efa1583f289dd0d51b42643cf0d05ade7d0e6f05d74f0ce7d45cd27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "407d4dd16efa1583f289dd0d51b42643cf0d05ade7d0e6f05d74f0ce7d45cd27", kill_on_drop: false }`
[INFO] [stdout] 407d4dd16efa1583f289dd0d51b42643cf0d05ade7d0e6f05d74f0ce7d45cd27