[INFO] fetching crate nslice 0.2.0...
[INFO] testing nslice-0.2.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate nslice 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nslice 0.2.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nslice 0.2.0
[INFO] finished tweaking crates.io crate nslice 0.2.0
[INFO] tweaked toml for crates.io crate nslice 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", 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] 219b27df604df922b6eebb3bb21059140eca8a055792f88bd98759628e8df59f
[INFO] running `Command { std: "docker" "start" "-a" "219b27df604df922b6eebb3bb21059140eca8a055792f88bd98759628e8df59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "219b27df604df922b6eebb3bb21059140eca8a055792f88bd98759628e8df59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "219b27df604df922b6eebb3bb21059140eca8a055792f88bd98759628e8df59f", kill_on_drop: false }`
[INFO] [stdout] 219b27df604df922b6eebb3bb21059140eca8a055792f88bd98759628e8df59f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "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] 563ca667d7980043ef55e3358a685ff07f07886d143bcd917db378274125d761
[INFO] running `Command { std: "docker" "start" "-a" "563ca667d7980043ef55e3358a685ff07f07886d143bcd917db378274125d761", kill_on_drop: false }`
[INFO] [stderr]    Compiling nslice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "563ca667d7980043ef55e3358a685ff07f07886d143bcd917db378274125d761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563ca667d7980043ef55e3358a685ff07f07886d143bcd917db378274125d761", kill_on_drop: false }`
[INFO] [stdout] 563ca667d7980043ef55e3358a685ff07f07886d143bcd917db378274125d761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--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] 8bab04840546742510167b4be2db65ec419fb18221fca22cd4ec1c5d9b12e1aa
[INFO] running `Command { std: "docker" "start" "-a" "8bab04840546742510167b4be2db65ec419fb18221fca22cd4ec1c5d9b12e1aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling nslice v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/nslice-0b5d7d41c4eaafd8)
[INFO] running `Command { std: "docker" "inspect" "8bab04840546742510167b4be2db65ec419fb18221fca22cd4ec1c5d9b12e1aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bab04840546742510167b4be2db65ec419fb18221fca22cd4ec1c5d9b12e1aa", kill_on_drop: false }`
[INFO] [stdout] 8bab04840546742510167b4be2db65ec419fb18221fca22cd4ec1c5d9b12e1aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 710aae608e363fca4d9354f5b0f88335f316471dbf00ce179dd521c037666da6
[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" "710aae608e363fca4d9354f5b0f88335f316471dbf00ce179dd521c037666da6", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nslice-0b5d7d41c4eaafd8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test basic_exact_failure ... ok
[INFO] [stdout] test basic_min_success ... ok
[INFO] [stdout] test basic_min_failure ... ok
[INFO] [stderr]    Doc-tests nslice
[INFO] [stdout] test basic_exact_success ... ok
[INFO] [stdout] test array_exact_success ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - MinSlice (line 14) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.70s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "710aae608e363fca4d9354f5b0f88335f316471dbf00ce179dd521c037666da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "710aae608e363fca4d9354f5b0f88335f316471dbf00ce179dd521c037666da6", kill_on_drop: false }`
[INFO] [stdout] 710aae608e363fca4d9354f5b0f88335f316471dbf00ce179dd521c037666da6