[INFO] fetching crate slice-arena 1.0.0...
[INFO] testing slice-arena-1.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate slice-arena 1.0.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate slice-arena 1.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slice-arena 1.0.0
[INFO] finished tweaking crates.io crate slice-arena 1.0.0
[INFO] tweaked toml for crates.io crate slice-arena 1.0.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eab88c9f9a6186f3084e961864cdbbffbd51bb3b123d39a64979b6d74fb09f07
[INFO] running `Command { std: "docker" "start" "-a" "eab88c9f9a6186f3084e961864cdbbffbd51bb3b123d39a64979b6d74fb09f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eab88c9f9a6186f3084e961864cdbbffbd51bb3b123d39a64979b6d74fb09f07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab88c9f9a6186f3084e961864cdbbffbd51bb3b123d39a64979b6d74fb09f07", kill_on_drop: false }`
[INFO] [stdout] eab88c9f9a6186f3084e961864cdbbffbd51bb3b123d39a64979b6d74fb09f07
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8260edd7226c410c76ad3868025886305941b5e81c95a3bd9201ddf53b93219
[INFO] running `Command { std: "docker" "start" "-a" "f8260edd7226c410c76ad3868025886305941b5e81c95a3bd9201ddf53b93219", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "f8260edd7226c410c76ad3868025886305941b5e81c95a3bd9201ddf53b93219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8260edd7226c410c76ad3868025886305941b5e81c95a3bd9201ddf53b93219", kill_on_drop: false }`
[INFO] [stdout] f8260edd7226c410c76ad3868025886305941b5e81c95a3bd9201ddf53b93219
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60e1b060415704bb4547eaf718d8678241adab7fd23092134db9eeb5c61c49c6
[INFO] running `Command { std: "docker" "start" "-a" "60e1b060415704bb4547eaf718d8678241adab7fd23092134db9eeb5c61c49c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling slice-arena v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "60e1b060415704bb4547eaf718d8678241adab7fd23092134db9eeb5c61c49c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e1b060415704bb4547eaf718d8678241adab7fd23092134db9eeb5c61c49c6", kill_on_drop: false }`
[INFO] [stdout] 60e1b060415704bb4547eaf718d8678241adab7fd23092134db9eeb5c61c49c6
[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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2e4cdf4e95e7e1713ee77c94108d7c082f8aed197bab229e99f8bb2142e1ea17
[INFO] running `Command { std: "docker" "start" "-a" "2e4cdf4e95e7e1713ee77c94108d7c082f8aed197bab229e99f8bb2142e1ea17", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/slice_arena-b0ffaa8f81cc8022)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_non_copy ... ok
[INFO] [stdout] test test_path ... ok
[INFO] [stdout] test test_send_and_sync ... ok
[INFO] [stdout] test kick_tires ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slice-arena
[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] running `Command { std: "docker" "inspect" "2e4cdf4e95e7e1713ee77c94108d7c082f8aed197bab229e99f8bb2142e1ea17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4cdf4e95e7e1713ee77c94108d7c082f8aed197bab229e99f8bb2142e1ea17", kill_on_drop: false }`
[INFO] [stdout] 2e4cdf4e95e7e1713ee77c94108d7c082f8aed197bab229e99f8bb2142e1ea17