[INFO] fetching crate vec_mut_scan 0.4.0...
[INFO] testing vec_mut_scan-0.4.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate vec_mut_scan 0.4.0 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate vec_mut_scan 0.4.0 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 vec_mut_scan 0.4.0
[INFO] finished tweaking crates.io crate vec_mut_scan 0.4.0
[INFO] tweaked toml for crates.io crate vec_mut_scan 0.4.0 written to /workspace/builds/worker-18/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-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] aca5c32bf1d0c7a5143771d252f28d2a61b18e3acc2670efecf4ec8fb453ee47
[INFO] running `Command { std: "docker" "start" "-a" "aca5c32bf1d0c7a5143771d252f28d2a61b18e3acc2670efecf4ec8fb453ee47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca5c32bf1d0c7a5143771d252f28d2a61b18e3acc2670efecf4ec8fb453ee47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca5c32bf1d0c7a5143771d252f28d2a61b18e3acc2670efecf4ec8fb453ee47", kill_on_drop: false }`
[INFO] [stdout] aca5c32bf1d0c7a5143771d252f28d2a61b18e3acc2670efecf4ec8fb453ee47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 6fb50e94dd90be8faa0e41186c24a1501081b60a018ed2c2972de29a8ac19073
[INFO] running `Command { std: "docker" "start" "-a" "6fb50e94dd90be8faa0e41186c24a1501081b60a018ed2c2972de29a8ac19073", kill_on_drop: false }`
[INFO] [stderr]    Compiling vec_mut_scan v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "6fb50e94dd90be8faa0e41186c24a1501081b60a018ed2c2972de29a8ac19073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb50e94dd90be8faa0e41186c24a1501081b60a018ed2c2972de29a8ac19073", kill_on_drop: false }`
[INFO] [stdout] 6fb50e94dd90be8faa0e41186c24a1501081b60a018ed2c2972de29a8ac19073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] 6e9e362e51d0657f18ac2cd23f3b03fa0b128a0ffd067079eeb6038c2c6deff3
[INFO] running `Command { std: "docker" "start" "-a" "6e9e362e51d0657f18ac2cd23f3b03fa0b128a0ffd067079eeb6038c2c6deff3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vec_mut_scan v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "6e9e362e51d0657f18ac2cd23f3b03fa0b128a0ffd067079eeb6038c2c6deff3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e9e362e51d0657f18ac2cd23f3b03fa0b128a0ffd067079eeb6038c2c6deff3", kill_on_drop: false }`
[INFO] [stdout] 6e9e362e51d0657f18ac2cd23f3b03fa0b128a0ffd067079eeb6038c2c6deff3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] ef54dfdf24c63231cb115e90fc153cf91c2aae7470efe1c92c4dfb53572890d3
[INFO] running `Command { std: "docker" "start" "-a" "ef54dfdf24c63231cb115e90fc153cf91c2aae7470efe1c92c4dfb53572890d3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/vec_mut_scan-4ec6fe13fe665330)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::check_item_drops ... ok
[INFO] [stdout] test tests::check_slices ... ok
[INFO] [stdout] test tests::check_slices_mut ... ok
[INFO] [stdout] test tests::drop_after_partial_scan_with_inserts ... ok
[INFO] [stdout] test tests::grow_check_item_drops ... ok
[INFO] [stdout] test tests::grow_check_slices_mut ... ok
[INFO] [stdout] test tests::grow_check_slices_no_insert ... ok
[INFO] [stdout] test tests::insert_after ... ok
[INFO] [stdout] test tests::insert_before ... ok
[INFO] [stdout] test tests::replace_with ... ok
[INFO] [stdout] test tests::replace_with_many_with ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests vec_mut_scan
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - VecGrowScan::insert (line 388) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ef54dfdf24c63231cb115e90fc153cf91c2aae7470efe1c92c4dfb53572890d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef54dfdf24c63231cb115e90fc153cf91c2aae7470efe1c92c4dfb53572890d3", kill_on_drop: false }`
[INFO] [stdout] ef54dfdf24c63231cb115e90fc153cf91c2aae7470efe1c92c4dfb53572890d3