[INFO] fetching crate la-arena 0.3.1...
[INFO] testing la-arena-0.3.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate la-arena 0.3.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate la-arena 0.3.1
[INFO] finished tweaking crates.io crate la-arena 0.3.1
[INFO] tweaked toml for crates.io crate la-arena 0.3.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate la-arena 0.3.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50dc0c9258e64f96e7888eed4a98c62925ebebee41f722697a9b7fe86616797a
[INFO] running `Command { std: "docker" "start" "-a" "50dc0c9258e64f96e7888eed4a98c62925ebebee41f722697a9b7fe86616797a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50dc0c9258e64f96e7888eed4a98c62925ebebee41f722697a9b7fe86616797a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50dc0c9258e64f96e7888eed4a98c62925ebebee41f722697a9b7fe86616797a", kill_on_drop: false }`
[INFO] [stdout] 50dc0c9258e64f96e7888eed4a98c62925ebebee41f722697a9b7fe86616797a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bdaa5808a79a54c55ec75bbe001c07c20def4f0b7078207e7cdedf4ebcad32e
[INFO] running `Command { std: "docker" "start" "-a" "4bdaa5808a79a54c55ec75bbe001c07c20def4f0b7078207e7cdedf4ebcad32e", kill_on_drop: false }`
[INFO] [stderr]    Compiling la-arena v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "4bdaa5808a79a54c55ec75bbe001c07c20def4f0b7078207e7cdedf4ebcad32e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdaa5808a79a54c55ec75bbe001c07c20def4f0b7078207e7cdedf4ebcad32e", kill_on_drop: false }`
[INFO] [stdout] 4bdaa5808a79a54c55ec75bbe001c07c20def4f0b7078207e7cdedf4ebcad32e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4560dc6cebd50cb1050d86c225f52aa146fb3491bbe8c5de9219f671d74946f2
[INFO] running `Command { std: "docker" "start" "-a" "4560dc6cebd50cb1050d86c225f52aa146fb3491bbe8c5de9219f671d74946f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling la-arena v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "4560dc6cebd50cb1050d86c225f52aa146fb3491bbe8c5de9219f671d74946f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4560dc6cebd50cb1050d86c225f52aa146fb3491bbe8c5de9219f671d74946f2", kill_on_drop: false }`
[INFO] [stdout] 4560dc6cebd50cb1050d86c225f52aa146fb3491bbe8c5de9219f671d74946f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 39137fb68b31e58670d0b0d270ee879f59e219006ffc965abb245bdbc7d5263b
[INFO] running `Command { std: "docker" "start" "-a" "39137fb68b31e58670d0b0d270ee879f59e219006ffc965abb245bdbc7d5263b", 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/la_arena-ffb180ac30c62182)
[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] [stderr]    Doc-tests la_arena
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/lib.rs - Arena<T>::new (line 266) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 364) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc (line 335) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::clear (line 286) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::values (line 406) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 303) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::is_empty (line 322) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::alloc_many (line 349) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 383) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::values_mut (line 423) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::with_capacity (line 276) ... ok
[INFO] [stdout] test src/lib.rs - IdxRange<T>::is_empty (line 167) ... ok
[INFO] [stdout] test src/lib.rs - IdxRange<T>::new (line 129) ... ok
[INFO] [stdout] test src/lib.rs - IdxRange<T>::new_inclusive (line 146) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.91s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "39137fb68b31e58670d0b0d270ee879f59e219006ffc965abb245bdbc7d5263b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39137fb68b31e58670d0b0d270ee879f59e219006ffc965abb245bdbc7d5263b", kill_on_drop: false }`
[INFO] [stdout] 39137fb68b31e58670d0b0d270ee879f59e219006ffc965abb245bdbc7d5263b