[INFO] fetching crate nibble_vec 0.1.0...
[INFO] testing nibble_vec-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate nibble_vec 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nibble_vec 0.1.0 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 nibble_vec 0.1.0
[INFO] finished tweaking crates.io crate nibble_vec 0.1.0
[INFO] tweaked toml for crates.io crate nibble_vec 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nibble_vec 0.1.0 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7ae14b06e92a25773121e77f71eb92cc3e5bceab6cfed8529732c4f0efcd2c13
[INFO] running `Command { std: "docker" "start" "-a" "7ae14b06e92a25773121e77f71eb92cc3e5bceab6cfed8529732c4f0efcd2c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae14b06e92a25773121e77f71eb92cc3e5bceab6cfed8529732c4f0efcd2c13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae14b06e92a25773121e77f71eb92cc3e5bceab6cfed8529732c4f0efcd2c13", kill_on_drop: false }`
[INFO] [stdout] 7ae14b06e92a25773121e77f71eb92cc3e5bceab6cfed8529732c4f0efcd2c13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b27b4fe58b68036d0dd7f345ad9e08de33168eb0701b8e0ab71253f8c85bfeaa
[INFO] running `Command { std: "docker" "start" "-a" "b27b4fe58b68036d0dd7f345ad9e08de33168eb0701b8e0ab71253f8c85bfeaa", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling nibble_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "b27b4fe58b68036d0dd7f345ad9e08de33168eb0701b8e0ab71253f8c85bfeaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27b4fe58b68036d0dd7f345ad9e08de33168eb0701b8e0ab71253f8c85bfeaa", kill_on_drop: false }`
[INFO] [stdout] b27b4fe58b68036d0dd7f345ad9e08de33168eb0701b8e0ab71253f8c85bfeaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e856fc591d440bf412e4af011bbb3749d7443c422f48b38176f5c903154db2ba
[INFO] running `Command { std: "docker" "start" "-a" "e856fc591d440bf412e4af011bbb3749d7443c422f48b38176f5c903154db2ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling oorandom v11.1.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling criterion-plot v0.4.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tinytemplate v1.1.0
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling criterion v0.3.2
[INFO] [stderr]    Compiling nibble_vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "e856fc591d440bf412e4af011bbb3749d7443c422f48b38176f5c903154db2ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e856fc591d440bf412e4af011bbb3749d7443c422f48b38176f5c903154db2ba", kill_on_drop: false }`
[INFO] [stdout] e856fc591d440bf412e4af011bbb3749d7443c422f48b38176f5c903154db2ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1290b681ad0a0141f6f8a0f21d7ca8dc58fa931d6ae5087d96ab24b9eefcddc9
[INFO] running `Command { std: "docker" "start" "-a" "1290b681ad0a0141f6f8a0f21d7ca8dc58fa931d6ae5087d96ab24b9eefcddc9", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stdout] running 12 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nibble_vec-4ab535dd93234a3d)
[INFO] [stdout] test test::as_bytes ... ok
[INFO] [stdout] test test::join_even_length ... ok
[INFO] [stdout] test test::join_odd_length ... ok
[INFO] [stdout] test test::split_even_length ... ok
[INFO] [stdout] test test::split_odd_length ... ok
[INFO] [stdout] test test::memory_reuse ... ok
[INFO] [stdout] test test::from ... ok
[INFO] [stdout] test test::into_bytes ... ok
[INFO] [stdout] test test::get ... ok
[INFO] [stdout] test test::into ... ok
[INFO] [stdout] test test::push ... ok
[INFO] [stderr]    Doc-tests nibble_vec
[INFO] [stdout] test test::clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[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" "1290b681ad0a0141f6f8a0f21d7ca8dc58fa931d6ae5087d96ab24b9eefcddc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1290b681ad0a0141f6f8a0f21d7ca8dc58fa931d6ae5087d96ab24b9eefcddc9", kill_on_drop: false }`
[INFO] [stdout] 1290b681ad0a0141f6f8a0f21d7ca8dc58fa931d6ae5087d96ab24b9eefcddc9