[INFO] cloning repository https://github.com/satoukick/neko
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/satoukick/neko" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Fneko", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Fneko'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91779f4ed57cce6d141e3a7406a80fca98fe6c9e
[INFO] testing satoukick/neko against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsatoukick%2Fneko" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/satoukick/neko on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/satoukick/neko
[INFO] finished tweaking git repo https://github.com/satoukick/neko
[INFO] tweaked toml for git repo https://github.com/satoukick/neko written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/satoukick/neko already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4b0765cd2ff9e0f8a0fe6228d5136437b45737447ae97fb3d05112ae2592cfe
[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" "a4b0765cd2ff9e0f8a0fe6228d5136437b45737447ae97fb3d05112ae2592cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4b0765cd2ff9e0f8a0fe6228d5136437b45737447ae97fb3d05112ae2592cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4b0765cd2ff9e0f8a0fe6228d5136437b45737447ae97fb3d05112ae2592cfe", kill_on_drop: false }`
[INFO] [stdout] a4b0765cd2ff9e0f8a0fe6228d5136437b45737447ae97fb3d05112ae2592cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b268f079ea57510b4bb59b585138de9158055058439ce83005b51484ca67596
[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" "1b268f079ea57510b4bb59b585138de9158055058439ce83005b51484ca67596", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.78
[INFO] [stderr]    Compiling sysinfo v0.19.2
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libgit2-sys v0.12.24+1.3.0
[INFO] [stderr]    Compiling vergen v5.1.15
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling enum-iterator-derive v0.7.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling git2 v0.13.23
[INFO] [stderr]    Compiling enum-iterator v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling neko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum is never used: `NekoOptions`
[INFO] [stdout]  --> src/options.rs:1:10
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub enum NekoOptions {
[INFO] [stdout]   |          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decide_modes`
[INFO] [stdout]   --> src/read.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub fn decide_modes(args: &[String]) -> Result<Vec<NekoOptions>, std::io::Error> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decide_modes_experiment`
[INFO] [stdout]   --> src/read.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub fn decide_modes_experiment(args: &[String]) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `output_version`
[INFO] [stdout]   --> src/read.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn output_version() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `remove_whitespaces`
[INFO] [stdout]  --> src/utils.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn remove_whitespaces(s: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "1b268f079ea57510b4bb59b585138de9158055058439ce83005b51484ca67596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b268f079ea57510b4bb59b585138de9158055058439ce83005b51484ca67596", kill_on_drop: false }`
[INFO] [stdout] 1b268f079ea57510b4bb59b585138de9158055058439ce83005b51484ca67596
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80070988e63e625ef018a50826ba3f758ba9e82e988f49fb02c0df76e0e7dc8e
[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" "80070988e63e625ef018a50826ba3f758ba9e82e988f49fb02c0df76e0e7dc8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling neko v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Unknown`
[INFO] [stdout]  --> src/options.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Unknown,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `OutputLineNumber`
[INFO] [stdout]  --> src/options.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     OutputLineNumber,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]  --> src/options.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     File(String),
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "80070988e63e625ef018a50826ba3f758ba9e82e988f49fb02c0df76e0e7dc8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80070988e63e625ef018a50826ba3f758ba9e82e988f49fb02c0df76e0e7dc8e", kill_on_drop: false }`
[INFO] [stdout] 80070988e63e625ef018a50826ba3f758ba9e82e988f49fb02c0df76e0e7dc8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a76d7a194965c028de5043b318a9250d08fd59efe2003fc713df889fa691dfab
[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" "a76d7a194965c028de5043b318a9250d08fd59efe2003fc713df889fa691dfab", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variant is never constructed: `Unknown`
[INFO] [stdout] running 4 tests
[INFO] [stderr]  --> src/options.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     Unknown,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `OutputLineNumber`
[INFO] [stderr]  --> src/options.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     OutputLineNumber,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]  --> src/options.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     File(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `neko` (bin "neko" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/neko-a41b13d1ffd8453d)
[INFO] [stdout] test read::test::test_decide_modes_experiment ... ok
[INFO] [stdout] test read::test::test_handle_args ... ok
[INFO] [stdout] test read::test::test_output_version ... ok
[INFO] [stdout] test read::test::test_read_example_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a76d7a194965c028de5043b318a9250d08fd59efe2003fc713df889fa691dfab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76d7a194965c028de5043b318a9250d08fd59efe2003fc713df889fa691dfab", kill_on_drop: false }`
[INFO] [stdout] a76d7a194965c028de5043b318a9250d08fd59efe2003fc713df889fa691dfab