[INFO] fetching crate regroup 0.5.0...
[INFO] testing regroup-0.5.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate regroup 0.5.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate regroup 0.5.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 296cb267f236d867727a2d363e6cfd0a21cb6584a6682823adba53e2e30d1706
[INFO] running `Command { std: "docker" "start" "-a" "296cb267f236d867727a2d363e6cfd0a21cb6584a6682823adba53e2e30d1706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "296cb267f236d867727a2d363e6cfd0a21cb6584a6682823adba53e2e30d1706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "296cb267f236d867727a2d363e6cfd0a21cb6584a6682823adba53e2e30d1706", kill_on_drop: false }`
[INFO] [stdout] 296cb267f236d867727a2d363e6cfd0a21cb6584a6682823adba53e2e30d1706
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 310394dd789888808de8b4db7acd2266add96d6f783f7c7c0dc41e5309fa75a2
[INFO] running `Command { std: "docker" "start" "-a" "310394dd789888808de8b4db7acd2266add96d6f783f7c7c0dc41e5309fa75a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "310394dd789888808de8b4db7acd2266add96d6f783f7c7c0dc41e5309fa75a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "310394dd789888808de8b4db7acd2266add96d6f783f7c7c0dc41e5309fa75a2", kill_on_drop: false }`
[INFO] [stdout] 310394dd789888808de8b4db7acd2266add96d6f783f7c7c0dc41e5309fa75a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee0cd5a9dd3694d4e191b544b6b81de3df09dde48dd129a8d499f17f873a90d5
[INFO] running `Command { std: "docker" "start" "-a" "ee0cd5a9dd3694d4e191b544b6b81de3df09dde48dd129a8d499f17f873a90d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "ee0cd5a9dd3694d4e191b544b6b81de3df09dde48dd129a8d499f17f873a90d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee0cd5a9dd3694d4e191b544b6b81de3df09dde48dd129a8d499f17f873a90d5", kill_on_drop: false }`
[INFO] [stdout] ee0cd5a9dd3694d4e191b544b6b81de3df09dde48dd129a8d499f17f873a90d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bcc5bc04212ea787c36c1f49357f0c6b89979d689620f626c7ab022991340edf
[INFO] running `Command { std: "docker" "start" "-a" "bcc5bc04212ea787c36c1f49357f0c6b89979d689620f626c7ab022991340edf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regroup-159ffb86a5ce2465)
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests regroup
[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] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - len (line 491) ... 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 - len (line 475) ... ok
[INFO] [stdout] test src/lib.rs - from_slice (line 720) ... ok
[INFO] [stdout] test src/lib.rs - as_mut_slice (line 577) ... ok
[INFO] [stdout] test src/lib.rs - into_arc_slice (line 641) ... ok
[INFO] [stdout] test src/lib.rs - try_cast_vec (line 1043) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 537) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 541) ... ok
[INFO] [stdout] test src/lib.rs - as_slice (line 558) ... ok
[INFO] [stdout] test src/lib.rs - len (line 486) ... ok
[INFO] [stdout] test src/lib.rs - into_vec (line 669) ... ok
[INFO] [stdout] test src/lib.rs - into_rc_slice (line 618) ... 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 - try_from_slice (line 751) ... ok
[INFO] [stdout] test src/lib.rs - from_mut_slice (line 788) ... ok
[INFO] [stdout] test src/lib.rs - try_from_mut_slice (line 827) ... ok
[INFO] [stdout] test src/lib.rs - try_len (line 449) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.12s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bcc5bc04212ea787c36c1f49357f0c6b89979d689620f626c7ab022991340edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcc5bc04212ea787c36c1f49357f0c6b89979d689620f626c7ab022991340edf", kill_on_drop: false }`
[INFO] [stdout] bcc5bc04212ea787c36c1f49357f0c6b89979d689620f626c7ab022991340edf