[INFO] fetching crate sweeper 1.0.0-rc3...
[INFO] testing sweeper-1.0.0-rc3 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate sweeper 1.0.0-rc3 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate sweeper 1.0.0-rc3 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sweeper 1.0.0-rc3
[INFO] finished tweaking crates.io crate sweeper 1.0.0-rc3
[INFO] tweaked toml for crates.io crate sweeper 1.0.0-rc3 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 508f700e8789903677553b2c139d5bb7d1bd78a0eb85af14b33f95179c3f31eb
[INFO] running `Command { std: "docker" "start" "-a" "508f700e8789903677553b2c139d5bb7d1bd78a0eb85af14b33f95179c3f31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "508f700e8789903677553b2c139d5bb7d1bd78a0eb85af14b33f95179c3f31eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "508f700e8789903677553b2c139d5bb7d1bd78a0eb85af14b33f95179c3f31eb", kill_on_drop: false }`
[INFO] [stdout] 508f700e8789903677553b2c139d5bb7d1bd78a0eb85af14b33f95179c3f31eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea51d85a4639a498bc3280764526582a6f88eda0d0a6806db8285a137c812c7b
[INFO] running `Command { std: "docker" "start" "-a" "ea51d85a4639a498bc3280764526582a6f88eda0d0a6806db8285a137c812c7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.73
[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 sweeper v1.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 14.43s
[INFO] running `Command { std: "docker" "inspect" "ea51d85a4639a498bc3280764526582a6f88eda0d0a6806db8285a137c812c7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea51d85a4639a498bc3280764526582a6f88eda0d0a6806db8285a137c812c7b", kill_on_drop: false }`
[INFO] [stdout] ea51d85a4639a498bc3280764526582a6f88eda0d0a6806db8285a137c812c7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cc435bb5cffcf4bb02da1e5fdd2c50fa7983260bfc4c9b6eb2fe7a43bb35040
[INFO] running `Command { std: "docker" "start" "-a" "2cc435bb5cffcf4bb02da1e5fdd2c50fa7983260bfc4c9b6eb2fe7a43bb35040", kill_on_drop: false }`
[INFO] [stderr]    Compiling sweeper v1.0.0-rc3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/field.rs:575:49
[INFO] [stdout]     |
[INFO] [stdout] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stdout]     |                                                 ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` 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 0.88s
[INFO] running `Command { std: "docker" "inspect" "2cc435bb5cffcf4bb02da1e5fdd2c50fa7983260bfc4c9b6eb2fe7a43bb35040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc435bb5cffcf4bb02da1e5fdd2c50fa7983260bfc4c9b6eb2fe7a43bb35040", kill_on_drop: false }`
[INFO] [stdout] 2cc435bb5cffcf4bb02da1e5fdd2c50fa7983260bfc4c9b6eb2fe7a43bb35040
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7758955a3b324147ce9a5dbf4e85c6fe74de646e0c091ef9256e7d781bb07377
[INFO] running `Command { std: "docker" "start" "-a" "7758955a3b324147ce9a5dbf4e85c6fe74de646e0c091ef9256e7d781bb07377", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/field.rs:575:49
[INFO] [stderr]     |
[INFO] [stderr] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stderr]     |                                                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/field.rs:575:49
[INFO] [stderr]     |
[INFO] [stderr] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stderr]     |                                                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sweeper-c09d58cc4c044c26)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sweeper
[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] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/src/field.rs:575:49
[INFO] [stderr]     |
[INFO] [stderr] 575 |         enum StructField { Storage, Dimensions };
[INFO] [stderr]     |                                                 ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/iter.rs - iter::FieldRowsIter (line 230) ... ok
[INFO] [stdout] test src/iter.rs - iter::ColumnIter (line 132) ... ok
[INFO] [stdout] test src/iter.rs - iter::FieldColumnsIter (line 296) ... ok
[INFO] [stdout] test src/iter.rs - iter::RowIter (line 28) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7758955a3b324147ce9a5dbf4e85c6fe74de646e0c091ef9256e7d781bb07377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7758955a3b324147ce9a5dbf4e85c6fe74de646e0c091ef9256e7d781bb07377", kill_on_drop: false }`
[INFO] [stdout] 7758955a3b324147ce9a5dbf4e85c6fe74de646e0c091ef9256e7d781bb07377