[INFO] fetching crate slicetools 0.3.0...
[INFO] testing slicetools-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate slicetools 0.3.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate slicetools 0.3.0 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 slicetools 0.3.0
[INFO] finished tweaking crates.io crate slicetools 0.3.0
[INFO] tweaked toml for crates.io crate slicetools 0.3.0 written to /workspace/builds/worker-19/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] ca5e2b6832a5657adde0081fe8606843804dc960618e75e6410d45c1ceaf6b1c
[INFO] running `Command { std: "docker" "start" "-a" "ca5e2b6832a5657adde0081fe8606843804dc960618e75e6410d45c1ceaf6b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca5e2b6832a5657adde0081fe8606843804dc960618e75e6410d45c1ceaf6b1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5e2b6832a5657adde0081fe8606843804dc960618e75e6410d45c1ceaf6b1c", kill_on_drop: false }`
[INFO] [stdout] ca5e2b6832a5657adde0081fe8606843804dc960618e75e6410d45c1ceaf6b1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 4ad81ef9337732e9731f4fd446b4aeaab9fc7bfa854cf904a8df29b218043c57
[INFO] running `Command { std: "docker" "start" "-a" "4ad81ef9337732e9731f4fd446b4aeaab9fc7bfa854cf904a8df29b218043c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "4ad81ef9337732e9731f4fd446b4aeaab9fc7bfa854cf904a8df29b218043c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ad81ef9337732e9731f4fd446b4aeaab9fc7bfa854cf904a8df29b218043c57", kill_on_drop: false }`
[INFO] [stdout] 4ad81ef9337732e9731f4fd446b4aeaab9fc7bfa854cf904a8df29b218043c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 25592e825c9f1e74d800a5cc81b512d52e383ccfcf81b1ccb1eb7f8bbbcf3ca2
[INFO] running `Command { std: "docker" "start" "-a" "25592e825c9f1e74d800a5cc81b512d52e383ccfcf81b1ccb1eb7f8bbbcf3ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling slicetools v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "25592e825c9f1e74d800a5cc81b512d52e383ccfcf81b1ccb1eb7f8bbbcf3ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25592e825c9f1e74d800a5cc81b512d52e383ccfcf81b1ccb1eb7f8bbbcf3ca2", kill_on_drop: false }`
[INFO] [stdout] 25592e825c9f1e74d800a5cc81b512d52e383ccfcf81b1ccb1eb7f8bbbcf3ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 57af71dce7a561ccf897741c0a23c4b49b280098ee1b5a0137d7687fe2e77767
[INFO] running `Command { std: "docker" "start" "-a" "57af71dce7a561ccf897741c0a23c4b49b280098ee1b5a0137d7687fe2e77767", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 16 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slicetools-1f580832178a1e3b)
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_at_least_one_is_empty ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_when_one_have_only_1_item ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_1_item_each ... ok
[INFO] [stdout] test cartesian_product_mut::tests::slices_with_multiple_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_unique_items ... ok
[INFO] [stdout] test pairs_mut::tests::simple_algorith ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_2_items ... ok
[INFO] [stdout] test pairs_mut::tests::empty_slice ... ok
[INFO] [stdout] test pairs_mut::tests::slice_with_3_items ... ok
[INFO] [stdout] test group_mut::tests::slice_with_0_item ... ok
[INFO] [stdout] test group_mut::tests::slice_with_various_groups ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_key ... ok
[INFO] [stdout] test group_mut::tests::version_with_closure_condition ... ok
[INFO] [stderr]    Doc-tests slicetools
[INFO] [stdout] test group_mut::tests::slice_with_one_item_type ... ok
[INFO] [stdout] test group_mut::tests::slice_with_1_item ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::pairs_mut (line 100) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_mut (line 126) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::cartesian_product_mut (line 75) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_key_mut (line 152) ... ok
[INFO] [stdout] test src/lib.rs - (line 28) ... ok
[INFO] [stdout] test src/lib.rs - SliceTools::group_by_mut (line 178) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.96s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57af71dce7a561ccf897741c0a23c4b49b280098ee1b5a0137d7687fe2e77767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57af71dce7a561ccf897741c0a23c4b49b280098ee1b5a0137d7687fe2e77767", kill_on_drop: false }`
[INFO] [stdout] 57af71dce7a561ccf897741c0a23c4b49b280098ee1b5a0137d7687fe2e77767