[INFO] fetching crate sweeper 1.0.0-rc3...
[INFO] testing sweeper-1.0.0-rc3 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate sweeper 1.0.0-rc3 into /workspace/builds/worker-58/source
[INFO] validating manifest of crates.io crate sweeper 1.0.0-rc3 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-58/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 32f81111efcc79898704418cb568fcdaf4bc60e3c17579d6cd3e2ee5e354b67f
[INFO] running `Command { std: "docker" "start" "-a" "32f81111efcc79898704418cb568fcdaf4bc60e3c17579d6cd3e2ee5e354b67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "32f81111efcc79898704418cb568fcdaf4bc60e3c17579d6cd3e2ee5e354b67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f81111efcc79898704418cb568fcdaf4bc60e3c17579d6cd3e2ee5e354b67f", kill_on_drop: false }`
[INFO] [stdout] 32f81111efcc79898704418cb568fcdaf4bc60e3c17579d6cd3e2ee5e354b67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48396b082112e1e130a1db385ae2d2dc844f49598cf06843ac8a685e2358045f
[INFO] running `Command { std: "docker" "start" "-a" "48396b082112e1e130a1db385ae2d2dc844f49598cf06843ac8a685e2358045f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[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 16.80s
[INFO] running `Command { std: "docker" "inspect" "48396b082112e1e130a1db385ae2d2dc844f49598cf06843ac8a685e2358045f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48396b082112e1e130a1db385ae2d2dc844f49598cf06843ac8a685e2358045f", kill_on_drop: false }`
[INFO] [stdout] 48396b082112e1e130a1db385ae2d2dc844f49598cf06843ac8a685e2358045f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 195ae4052e85d556d2941cc9ff989bc50c1c39c6714fc7829f48650e758a6fd5
[INFO] running `Command { std: "docker" "start" "-a" "195ae4052e85d556d2941cc9ff989bc50c1c39c6714fc7829f48650e758a6fd5", 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 1.38s
[INFO] running `Command { std: "docker" "inspect" "195ae4052e85d556d2941cc9ff989bc50c1c39c6714fc7829f48650e758a6fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195ae4052e85d556d2941cc9ff989bc50c1c39c6714fc7829f48650e758a6fd5", kill_on_drop: false }`
[INFO] [stdout] 195ae4052e85d556d2941cc9ff989bc50c1c39c6714fc7829f48650e758a6fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-58/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dce391335ec79cbd51a47662afc66fd3a8f88b9fe1a963f4cb4f897adba9dbba
[INFO] running `Command { std: "docker" "start" "-a" "dce391335ec79cbd51a47662afc66fd3a8f88b9fe1a963f4cb4f897adba9dbba", 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: `sweeper` (lib) generated 1 warning
[INFO] [stderr] warning: `sweeper` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sweeper-8f59197406d24b8a)
[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]    Doc-tests sweeper
[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::ColumnIter (line 132) ... ok
[INFO] [stdout] test src/iter.rs - iter::RowIter (line 28) ... ok
[INFO] [stdout] test src/iter.rs - iter::FieldRowsIter (line 230) ... ok
[INFO] [stdout] test src/iter.rs - iter::FieldColumnsIter (line 296) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.65s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dce391335ec79cbd51a47662afc66fd3a8f88b9fe1a963f4cb4f897adba9dbba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce391335ec79cbd51a47662afc66fd3a8f88b9fe1a963f4cb4f897adba9dbba", kill_on_drop: false }`
[INFO] [stdout] dce391335ec79cbd51a47662afc66fd3a8f88b9fe1a963f4cb4f897adba9dbba