[INFO] fetching crate la-arena 0.2.1...
[INFO] testing la-arena-0.2.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate la-arena 0.2.1 into /workspace/builds/worker-94/source
[INFO] validating manifest of crates.io crate la-arena 0.2.1 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-94/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6c86eda44869018287d5e81580219a8008d6a6e86ba4af9de436e954eb9d1504
[INFO] running `Command { std: "docker" "start" "-a" "6c86eda44869018287d5e81580219a8008d6a6e86ba4af9de436e954eb9d1504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c86eda44869018287d5e81580219a8008d6a6e86ba4af9de436e954eb9d1504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c86eda44869018287d5e81580219a8008d6a6e86ba4af9de436e954eb9d1504", kill_on_drop: false }`
[INFO] [stdout] 6c86eda44869018287d5e81580219a8008d6a6e86ba4af9de436e954eb9d1504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9690c4801827e4ebfdd26bf2093e0a83a44571014d82fa1e5c25a9d68ec7abab
[INFO] running `Command { std: "docker" "start" "-a" "9690c4801827e4ebfdd26bf2093e0a83a44571014d82fa1e5c25a9d68ec7abab", 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 dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "9690c4801827e4ebfdd26bf2093e0a83a44571014d82fa1e5c25a9d68ec7abab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9690c4801827e4ebfdd26bf2093e0a83a44571014d82fa1e5c25a9d68ec7abab", kill_on_drop: false }`
[INFO] [stdout] 9690c4801827e4ebfdd26bf2093e0a83a44571014d82fa1e5c25a9d68ec7abab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db7087dd98b89122b270faed5971e80756393bd594c48f7908d107268b20e816
[INFO] running `Command { std: "docker" "start" "-a" "db7087dd98b89122b270faed5971e80756393bd594c48f7908d107268b20e816", kill_on_drop: false }`
[INFO] [stderr]    Compiling la-arena v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "db7087dd98b89122b270faed5971e80756393bd594c48f7908d107268b20e816", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db7087dd98b89122b270faed5971e80756393bd594c48f7908d107268b20e816", kill_on_drop: false }`
[INFO] [stdout] db7087dd98b89122b270faed5971e80756393bd594c48f7908d107268b20e816
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-94/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 72776603606f808c9309762dd3142983a5f352b2b1ee3be325f27e4b3b10d8d5
[INFO] running `Command { std: "docker" "start" "-a" "72776603606f808c9309762dd3142983a5f352b2b1ee3be325f27e4b3b10d8d5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/la_arena-8572e9a98fafe8c1)
[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>::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>::alloc (line 166) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::len (line 134) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter_mut (line 199) ... ok
[INFO] [stdout] test src/lib.rs - Arena<T>::iter (line 180) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "72776603606f808c9309762dd3142983a5f352b2b1ee3be325f27e4b3b10d8d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72776603606f808c9309762dd3142983a5f352b2b1ee3be325f27e4b3b10d8d5", kill_on_drop: false }`
[INFO] [stdout] 72776603606f808c9309762dd3142983a5f352b2b1ee3be325f27e4b3b10d8d5