[INFO] fetching crate regroup 0.5.0...
[INFO] testing regroup-0.5.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate regroup 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate regroup 0.5.0
[INFO] finished tweaking crates.io crate regroup 0.5.0
[INFO] tweaked toml for crates.io crate regroup 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regroup 0.5.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 034e0fbe5e8d73434cdfdfba22f31493eed565a6ce00cefb912c156be8c09b7c
[INFO] running `Command { std: "docker" "start" "-a" "034e0fbe5e8d73434cdfdfba22f31493eed565a6ce00cefb912c156be8c09b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "034e0fbe5e8d73434cdfdfba22f31493eed565a6ce00cefb912c156be8c09b7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "034e0fbe5e8d73434cdfdfba22f31493eed565a6ce00cefb912c156be8c09b7c", kill_on_drop: false }`
[INFO] [stdout] 034e0fbe5e8d73434cdfdfba22f31493eed565a6ce00cefb912c156be8c09b7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 789b284e6f830063401ac2c6900d7401a8bba2e53d02ec55585c9d83d3da1f73
[INFO] running `Command { std: "docker" "start" "-a" "789b284e6f830063401ac2c6900d7401a8bba2e53d02ec55585c9d83d3da1f73", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "789b284e6f830063401ac2c6900d7401a8bba2e53d02ec55585c9d83d3da1f73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "789b284e6f830063401ac2c6900d7401a8bba2e53d02ec55585c9d83d3da1f73", kill_on_drop: false }`
[INFO] [stdout] 789b284e6f830063401ac2c6900d7401a8bba2e53d02ec55585c9d83d3da1f73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbc160c9af1a0383c2bd2cbba2528fda786edab383aef851e072af2cbd627de8
[INFO] running `Command { std: "docker" "start" "-a" "cbc160c9af1a0383c2bd2cbba2528fda786edab383aef851e072af2cbd627de8", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "cbc160c9af1a0383c2bd2cbba2528fda786edab383aef851e072af2cbd627de8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbc160c9af1a0383c2bd2cbba2528fda786edab383aef851e072af2cbd627de8", kill_on_drop: false }`
[INFO] [stdout] cbc160c9af1a0383c2bd2cbba2528fda786edab383aef851e072af2cbd627de8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aa4ec62c622dde572de21c291f33a71edd84d2ae146f01051e252b233f43fb52
[INFO] running `Command { std: "docker" "start" "-a" "aa4ec62c622dde572de21c291f33a71edd84d2ae146f01051e252b233f43fb52", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regroup-a24eed2e0662a516)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test array_ext ... 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] [stderr]    Doc-tests regroup
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - const_len (line 537) ... ok
[INFO] [stdout] test src/lib.rs - len (line 486) ... ok
[INFO] [stdout] test src/lib.rs - try_cast_vec (line 1043) ... ok
[INFO] [stdout] test src/lib.rs - len (line 491) ... ok
[INFO] [stdout] test src/lib.rs - into_vec (line 669) ... ok
[INFO] [stdout] test src/lib.rs - as_slice (line 558) ... ok
[INFO] [stdout] test src/lib.rs - len (line 475) ... ok
[INFO] [stdout] test src/lib.rs - from_slice (line 720) ... ok
[INFO] [stdout] test src/lib.rs - try_const_len (line 508) ... ok
[INFO] [stdout] test src/lib.rs - try_cast_vec (line 1050) ... ok
[INFO] [stdout] test src/lib.rs - into_arc_slice (line 641) ... ok
[INFO] [stdout] test src/lib.rs - into_boxed_slice (line 596) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 532) ... ok
[INFO] [stdout] test src/lib.rs - as_mut_slice (line 577) ... ok
[INFO] [stdout] test src/lib.rs - into_rc_slice (line 618) ... ok
[INFO] [stdout] test src/lib.rs - try_from_mut_slice (line 827) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 541) ... ok
[INFO] [stdout] test src/lib.rs - try_from_slice (line 751) ... ok
[INFO] [stdout] test src/lib.rs - try_len (line 449) ... ok
[INFO] [stdout] test src/lib.rs - from_mut_slice (line 788) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.14s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aa4ec62c622dde572de21c291f33a71edd84d2ae146f01051e252b233f43fb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4ec62c622dde572de21c291f33a71edd84d2ae146f01051e252b233f43fb52", kill_on_drop: false }`
[INFO] [stdout] aa4ec62c622dde572de21c291f33a71edd84d2ae146f01051e252b233f43fb52