[INFO] fetching crate la-arena 0.2.1...
[INFO] testing la-arena-0.2.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate la-arena 0.2.1 into /workspace/builds/worker-93/source
[INFO] validating manifest of crates.io crate la-arena 0.2.1 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 la-arena 0.2.1
[INFO] finished tweaking crates.io crate la-arena 0.2.1
[INFO] tweaked toml for crates.io crate la-arena 0.2.1 written to /workspace/builds/worker-93/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 732d7c40a619ce21e78e944b54763e79ae33226e7b530653adac38bb7743651c
[INFO] running `Command { std: "docker" "start" "-a" "732d7c40a619ce21e78e944b54763e79ae33226e7b530653adac38bb7743651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "732d7c40a619ce21e78e944b54763e79ae33226e7b530653adac38bb7743651c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "732d7c40a619ce21e78e944b54763e79ae33226e7b530653adac38bb7743651c", kill_on_drop: false }`
[INFO] [stdout] 732d7c40a619ce21e78e944b54763e79ae33226e7b530653adac38bb7743651c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 76e9434901df684a1abf5f44abe9ace0d72fb9136cf813d225c446c8c3800db8
[INFO] running `Command { std: "docker" "start" "-a" "76e9434901df684a1abf5f44abe9ace0d72fb9136cf813d225c446c8c3800db8", kill_on_drop: false }`
[INFO] [stderr]    Compiling la-arena v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "76e9434901df684a1abf5f44abe9ace0d72fb9136cf813d225c446c8c3800db8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e9434901df684a1abf5f44abe9ace0d72fb9136cf813d225c446c8c3800db8", kill_on_drop: false }`
[INFO] [stdout] 76e9434901df684a1abf5f44abe9ace0d72fb9136cf813d225c446c8c3800db8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 2aa0d97704673913f8d4df355444e427b2adbc358f2f4847c5f8fa527acd63cc
[INFO] running `Command { std: "docker" "start" "-a" "2aa0d97704673913f8d4df355444e427b2adbc358f2f4847c5f8fa527acd63cc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling la-arena v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "2aa0d97704673913f8d4df355444e427b2adbc358f2f4847c5f8fa527acd63cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa0d97704673913f8d4df355444e427b2adbc358f2f4847c5f8fa527acd63cc", kill_on_drop: false }`
[INFO] [stdout] 2aa0d97704673913f8d4df355444e427b2adbc358f2f4847c5f8fa527acd63cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 997c9a98364d98680937fc68a8cbab0641cc26fdfe2e3cfe69c09de6e9ac3aa8
[INFO] running `Command { std: "docker" "start" "-a" "997c9a98364d98680937fc68a8cbab0641cc26fdfe2e3cfe69c09de6e9ac3aa8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/la_arena-2948d6907a0ad6e1)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests la-arena
[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] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 107) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 153) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 117) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 180) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 199) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 166) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "997c9a98364d98680937fc68a8cbab0641cc26fdfe2e3cfe69c09de6e9ac3aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "997c9a98364d98680937fc68a8cbab0641cc26fdfe2e3cfe69c09de6e9ac3aa8", kill_on_drop: false }`
[INFO] [stdout] 997c9a98364d98680937fc68a8cbab0641cc26fdfe2e3cfe69c09de6e9ac3aa8