[INFO] cloning repository https://github.com/golddranks/kigimaru
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/golddranks/kigimaru" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkigimaru", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkigimaru'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da450a1e759fe3d736a18cf69330e8b41d23bf71
[INFO] testing golddranks/kigimaru against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgolddranks%2Fkigimaru" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/golddranks/kigimaru 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 git repo https://github.com/golddranks/kigimaru
[INFO] finished tweaking git repo https://github.com/golddranks/kigimaru
[INFO] tweaked toml for git repo https://github.com/golddranks/kigimaru written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/golddranks/kigimaru 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] cb888513fc8512c372a94f8e264242fa0634333ebda848785fc6b9c8e774840b
[INFO] running `Command { std: "docker" "start" "-a" "cb888513fc8512c372a94f8e264242fa0634333ebda848785fc6b9c8e774840b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb888513fc8512c372a94f8e264242fa0634333ebda848785fc6b9c8e774840b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb888513fc8512c372a94f8e264242fa0634333ebda848785fc6b9c8e774840b", kill_on_drop: false }`
[INFO] [stdout] cb888513fc8512c372a94f8e264242fa0634333ebda848785fc6b9c8e774840b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7da295f38eb7f06d1b303819d03d4cdd0584f8a624e5dc32144fd24ea9078eb1
[INFO] running `Command { std: "docker" "start" "-a" "7da295f38eb7f06d1b303819d03d4cdd0584f8a624e5dc32144fd24ea9078eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling kigimaru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trie`
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut trie = Trie::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_trie`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut trie = Trie::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/iters/nibbles.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(iter: I) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "7da295f38eb7f06d1b303819d03d4cdd0584f8a624e5dc32144fd24ea9078eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da295f38eb7f06d1b303819d03d4cdd0584f8a624e5dc32144fd24ea9078eb1", kill_on_drop: false }`
[INFO] [stdout] 7da295f38eb7f06d1b303819d03d4cdd0584f8a624e5dc32144fd24ea9078eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] b535e027b4b6310772ea7fd3fa7b85eee7b6b9b67829ca080f510a53dfed794a
[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" "b535e027b4b6310772ea7fd3fa7b85eee7b6b9b67829ca080f510a53dfed794a", kill_on_drop: false }`
[INFO] [stderr]    Compiling kigimaru v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `trie`
[INFO] [stdout]   --> src/main.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut trie = Trie::new();
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_trie`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 99 |     let mut trie = Trie::new();
[INFO] [stdout]    |         ----^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 0.64s
[INFO] running `Command { std: "docker" "inspect" "b535e027b4b6310772ea7fd3fa7b85eee7b6b9b67829ca080f510a53dfed794a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b535e027b4b6310772ea7fd3fa7b85eee7b6b9b67829ca080f510a53dfed794a", kill_on_drop: false }`
[INFO] [stdout] b535e027b4b6310772ea7fd3fa7b85eee7b6b9b67829ca080f510a53dfed794a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] bba79ff6f1ef36c4b129fb23562af992db6498258c71c9883053c1880f6eb5bb
[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" "bba79ff6f1ef36c4b129fb23562af992db6498258c71c9883053c1880f6eb5bb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `trie`
[INFO] [stdout] running 4 tests
[INFO] [stderr]   --> src/main.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut trie = Trie::new();
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_trie`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:99:9
[INFO] [stderr]    |
[INFO] [stderr] 99 |     let mut trie = Trie::new();
[INFO] [stderr]    |         ----^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kigimaru` (bin "kigimaru" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kigimaru-8c4bcf95127229f4)
[INFO] [stdout] test iters::nibbles::test_nibbles ... ok
[INFO] [stdout] test iters::octals::test_octal_printer ... ok
[INFO] [stdout] test iters::octals::test_octals ... ok
[INFO] [stdout] test iters::octals::test_octal_roundtrip ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bba79ff6f1ef36c4b129fb23562af992db6498258c71c9883053c1880f6eb5bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bba79ff6f1ef36c4b129fb23562af992db6498258c71c9883053c1880f6eb5bb", kill_on_drop: false }`
[INFO] [stdout] bba79ff6f1ef36c4b129fb23562af992db6498258c71c9883053c1880f6eb5bb