[INFO] cloning repository https://github.com/xaiki/cube-fwcutter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xaiki/cube-fwcutter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxaiki%2Fcube-fwcutter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxaiki%2Fcube-fwcutter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ccb32f459fb91948636627d166168bb20ca22cf
[INFO] testing xaiki/cube-fwcutter against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxaiki%2Fcube-fwcutter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xaiki/cube-fwcutter on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xaiki/cube-fwcutter
[INFO] finished tweaking git repo https://github.com/xaiki/cube-fwcutter
[INFO] tweaked toml for git repo https://github.com/xaiki/cube-fwcutter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xaiki/cube-fwcutter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 86662058bf91e6ff5bce5b947b00c7f446185b99f68d57f7d8476e90ecf3bd3c
[INFO] running `Command { std: "docker" "start" "-a" "86662058bf91e6ff5bce5b947b00c7f446185b99f68d57f7d8476e90ecf3bd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86662058bf91e6ff5bce5b947b00c7f446185b99f68d57f7d8476e90ecf3bd3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86662058bf91e6ff5bce5b947b00c7f446185b99f68d57f7d8476e90ecf3bd3c", kill_on_drop: false }`
[INFO] [stdout] 86662058bf91e6ff5bce5b947b00c7f446185b99f68d57f7d8476e90ecf3bd3c
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e87890618394648e48c06d0f411c2eec3f2da772fda6160535afe29da872e4e
[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" "5e87890618394648e48c06d0f411c2eec3f2da772fda6160535afe29da872e4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling fwcutter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> src/mpfs.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]   --> src/mpfs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sign: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.89s
[INFO] running `Command { std: "docker" "inspect" "5e87890618394648e48c06d0f411c2eec3f2da772fda6160535afe29da872e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e87890618394648e48c06d0f411c2eec3f2da772fda6160535afe29da872e4e", kill_on_drop: false }`
[INFO] [stdout] 5e87890618394648e48c06d0f411c2eec3f2da772fda6160535afe29da872e4e
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed68bc248c281b44ddf705dd2c43fa849105f77f24b7df9d52665534d47b3f83
[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" "ed68bc248c281b44ddf705dd2c43fa849105f77f24b7df9d52665534d47b3f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling fwcutter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> src/mpfs.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]   --> src/mpfs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sign: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LittleEndian`
[INFO] [stdout]  --> src/mpfs.rs:2:28
[INFO] [stdout]   |
[INFO] [stdout] 2 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
[INFO] [stdout]   |                            ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sign`
[INFO] [stdout]   --> src/mpfs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     sign: [u8; 4],
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "ed68bc248c281b44ddf705dd2c43fa849105f77f24b7df9d52665534d47b3f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed68bc248c281b44ddf705dd2c43fa849105f77f24b7df9d52665534d47b3f83", kill_on_drop: false }`
[INFO] [stdout] ed68bc248c281b44ddf705dd2c43fa849105f77f24b7df9d52665534d47b3f83
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 108c867ee59d0e2f6346eb72c94bd80e88ef1bc7d640225a2dce3aed77c74a26
[INFO] running `Command { std: "docker" "start" "-a" "108c867ee59d0e2f6346eb72c94bd80e88ef1bc7d640225a2dce3aed77c74a26", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LittleEndian`
[INFO] [stderr]  --> src/mpfs.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sign`
[INFO] [stderr]   --> src/mpfs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sign: [u8; 4],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `LittleEndian`
[INFO] [stderr]  --> src/mpfs.rs:2:28
[INFO] [stderr]   |
[INFO] [stderr] 2 | use byteorder::{BigEndian, LittleEndian, ReadBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sign`
[INFO] [stderr]   --> src/mpfs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     sign: [u8; 4],
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fwcutter-6083f2170e9c7468
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test circular_buffer::tests::empty ... ok
[INFO] [stdout] test circular_buffer::tests::oneelement ... ok
[INFO] [stdout] test circular_buffer::tests::slicefulloverflow ... ok
[INFO] [stdout] test circular_buffer::tests::sliceoverflow ... ok
[INFO] [stdout] test pattern::tests::empty_lookback ... ok
[INFO] [stdout] test pattern::tests::empty_repeats ... ok
[INFO] [stdout] test pattern::tests::many_almost_many ... ok
[INFO] [stdout] test pattern::tests::many ... ok
[INFO] [stdout] test circular_buffer::tests::twoelementsoverflow ... ok
[INFO] [stdout] test pattern::tests::many_in_many ... ok
[INFO] [stdout] test circular_buffer::tests::twoelements ... ok
[INFO] [stdout] test circular_buffer::tests::twoelementscompleteoverflow ... ok
[INFO] [stdout] test pattern::tests::many_many_prefix ... ok
[INFO] [stdout] test pattern::tests::manytwo ... ok
[INFO] [stdout] test pattern::tests::oneinone ... ok
[INFO] [stdout] test pattern::tests::oneinone_lookback ... ok
[INFO] [stdout] test pattern::tests::more_than_you_asked ... ok
[INFO] [stdout] test pattern::tests::oneinone_repeats ... ok
[INFO] [stdout] test pattern::tests::oneintwo_lookback ... ok
[INFO] [stdout] test pattern::tests::twoinfour ... ok
[INFO] [stdout] test pattern::tests::many_many ... ok
[INFO] [stdout] test pattern::tests::oneintwo_repeats ... ok
[INFO] [stdout] test pattern::tests::threeinsix ... ok
[INFO] [stdout] test pattern::tests::twoinfour_repeats ... ok
[INFO] [stdout] test pattern::tests::twoinfour_lookback ... ok
[INFO] [stdout] test pattern::tests::twoinfour_repeats_lookback ... ok
[INFO] [stdout] test pattern::tests::twoinfour_repeats_lookback_overflow ... ok
[INFO] [stdout] test pattern::tests::empty ... ok
[INFO] [stdout] test pattern::tests::oneintwo ... ok
[INFO] [stdout] test circular_buffer::tests::sliceone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cut-19feaace93cfb73e
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fwcutter-026120e8aec75a6b
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mpfs-73c86cc8155f0ad9
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fwcutter
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "108c867ee59d0e2f6346eb72c94bd80e88ef1bc7d640225a2dce3aed77c74a26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "108c867ee59d0e2f6346eb72c94bd80e88ef1bc7d640225a2dce3aed77c74a26", kill_on_drop: false }`
[INFO] [stdout] 108c867ee59d0e2f6346eb72c94bd80e88ef1bc7d640225a2dce3aed77c74a26