[INFO] fetching crate slicevec 0.1.1...
[INFO] testing slicevec-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate slicevec 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate slicevec 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slicevec 0.1.1
[INFO] finished tweaking crates.io crate slicevec 0.1.1
[INFO] tweaked toml for crates.io crate slicevec 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b20a7b567fb857bc825d9f67a120fa537ed1033c9cd57da72a55e7a995934bb0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b20a7b567fb857bc825d9f67a120fa537ed1033c9cd57da72a55e7a995934bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b20a7b567fb857bc825d9f67a120fa537ed1033c9cd57da72a55e7a995934bb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20a7b567fb857bc825d9f67a120fa537ed1033c9cd57da72a55e7a995934bb0", kill_on_drop: false }`
[INFO] [stdout] b20a7b567fb857bc825d9f67a120fa537ed1033c9cd57da72a55e7a995934bb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 97bbfce7b74e83f00cd5c03545e3d09a9735ab14c1ba75026630513083bf0897
[INFO] running `Command { std: "docker" "start" "-a" "97bbfce7b74e83f00cd5c03545e3d09a9735ab14c1ba75026630513083bf0897", kill_on_drop: false }`
[INFO] [stderr]    Compiling slicevec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "97bbfce7b74e83f00cd5c03545e3d09a9735ab14c1ba75026630513083bf0897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bbfce7b74e83f00cd5c03545e3d09a9735ab14c1ba75026630513083bf0897", kill_on_drop: false }`
[INFO] [stdout] 97bbfce7b74e83f00cd5c03545e3d09a9735ab14c1ba75026630513083bf0897
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff1cceec5b134a4cb5f9274af391791d8f5df01c3a96c47dab293f7c69f4dba9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ff1cceec5b134a4cb5f9274af391791d8f5df01c3a96c47dab293f7c69f4dba9", kill_on_drop: false }`
[INFO] [stderr]    Compiling slicevec v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "ff1cceec5b134a4cb5f9274af391791d8f5df01c3a96c47dab293f7c69f4dba9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff1cceec5b134a4cb5f9274af391791d8f5df01c3a96c47dab293f7c69f4dba9", kill_on_drop: false }`
[INFO] [stdout] ff1cceec5b134a4cb5f9274af391791d8f5df01c3a96c47dab293f7c69f4dba9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 22e132ee47da429c3260b5beda7013c1221494ba1e5ab24222b88601bfda1a4c
[INFO] running `Command { std: "docker" "start" "-a" "22e132ee47da429c3260b5beda7013c1221494ba1e5ab24222b88601bfda1a4c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slicevec-c0f9797916e3b592
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::basic ... ok
[INFO] [stdout] test tests::is_full ... ok
[INFO] [stdout] test tests::remove ... ok
[INFO] [stdout] test tests::swap_remove ... ok
[INFO] [stderr]    Doc-tests slicevec
[INFO] [stdout] test tests::swap_remove_out_of_bounds ... ok
[INFO] [stdout] test tests::swap_remove_empty ... ok
[INFO] [stdout] test tests::remove_empty ... ok
[INFO] [stdout] test tests::remove_out_of_bounds ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "22e132ee47da429c3260b5beda7013c1221494ba1e5ab24222b88601bfda1a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e132ee47da429c3260b5beda7013c1221494ba1e5ab24222b88601bfda1a4c", kill_on_drop: false }`
[INFO] [stdout] 22e132ee47da429c3260b5beda7013c1221494ba1e5ab24222b88601bfda1a4c