[INFO] fetching crate empty-box 0.1.1...
[INFO] testing empty-box-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate empty-box 0.1.1 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate empty-box 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate empty-box 0.1.1
[INFO] finished tweaking crates.io crate empty-box 0.1.1
[INFO] tweaked toml for crates.io crate empty-box 0.1.1 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ede3feb7d6c6364a0187202e49540e0d71d8a0528c39f914e2d3ae8e7567f94
[INFO] running `Command { std: "docker" "start" "-a" "8ede3feb7d6c6364a0187202e49540e0d71d8a0528c39f914e2d3ae8e7567f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ede3feb7d6c6364a0187202e49540e0d71d8a0528c39f914e2d3ae8e7567f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ede3feb7d6c6364a0187202e49540e0d71d8a0528c39f914e2d3ae8e7567f94", kill_on_drop: false }`
[INFO] [stdout] 8ede3feb7d6c6364a0187202e49540e0d71d8a0528c39f914e2d3ae8e7567f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5cf4eb686180b25d37f0ff3f2f88eefaf5d8725bb8958840c90819e7333dc98
[INFO] running `Command { std: "docker" "start" "-a" "b5cf4eb686180b25d37f0ff3f2f88eefaf5d8725bb8958840c90819e7333dc98", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling empty-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "b5cf4eb686180b25d37f0ff3f2f88eefaf5d8725bb8958840c90819e7333dc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5cf4eb686180b25d37f0ff3f2f88eefaf5d8725bb8958840c90819e7333dc98", kill_on_drop: false }`
[INFO] [stdout] b5cf4eb686180b25d37f0ff3f2f88eefaf5d8725bb8958840c90819e7333dc98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e21422fb4d4d13af5d5dad7fc50b3303bcbb579f8a2e4069941698afba91b523
[INFO] running `Command { std: "docker" "start" "-a" "e21422fb4d4d13af5d5dad7fc50b3303bcbb579f8a2e4069941698afba91b523", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty-box v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "e21422fb4d4d13af5d5dad7fc50b3303bcbb579f8a2e4069941698afba91b523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21422fb4d4d13af5d5dad7fc50b3303bcbb579f8a2e4069941698afba91b523", kill_on_drop: false }`
[INFO] [stdout] e21422fb4d4d13af5d5dad7fc50b3303bcbb579f8a2e4069941698afba91b523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e15ea392bec99b10dab190c6ca7c7b69e2943834034a5d30db4901fcc7ea3ba1
[INFO] running `Command { std: "docker" "start" "-a" "e15ea392bec99b10dab190c6ca7c7b69e2943834034a5d30db4901fcc7ea3ba1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/empty_box-d3f9209511deffdf)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::no_drop ... ok
[INFO] [stdout] test test::two_drop ... ok
[INFO] [stdout] test test::drop_counter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty-box
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.45s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e15ea392bec99b10dab190c6ca7c7b69e2943834034a5d30db4901fcc7ea3ba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e15ea392bec99b10dab190c6ca7c7b69e2943834034a5d30db4901fcc7ea3ba1", kill_on_drop: false }`
[INFO] [stdout] e15ea392bec99b10dab190c6ca7c7b69e2943834034a5d30db4901fcc7ea3ba1