[INFO] cloning repository https://github.com/joaoh82/marvin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joaoh82/marvin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09191676471dad666571136f754938d1bd89336e
[INFO] linting joaoh82/marvin against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoaoh82%2Fmarvin" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/joaoh82/marvin
[INFO] finished tweaking git repo https://github.com/joaoh82/marvin
[INFO] tweaked toml for git repo https://github.com/joaoh82/marvin written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/joaoh82/marvin on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/joaoh82/marvin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded daemonize v0.5.0
[INFO] [stderr]   Downloaded systemstat v0.2.3
[INFO] [stderr]   Downloaded cc v1.1.13
[INFO] [stderr]   Downloaded sysinfo v0.31.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b59f955fbe6031b6f9634d828a3e391505ccf03fdb0eccca6f3d48f2f5c11691
[INFO] running `Command { std: "docker" "start" "-a" "b59f955fbe6031b6f9634d828a3e391505ccf03fdb0eccca6f3d48f2f5c11691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b59f955fbe6031b6f9634d828a3e391505ccf03fdb0eccca6f3d48f2f5c11691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b59f955fbe6031b6f9634d828a3e391505ccf03fdb0eccca6f3d48f2f5c11691", kill_on_drop: false }`
[INFO] [stdout] b59f955fbe6031b6f9634d828a3e391505ccf03fdb0eccca6f3d48f2f5c11691
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2491eeaa74d15689dab63c5a142bb142b691c6899d9054324453f6a382cc6a
[INFO] running `Command { std: "docker" "start" "-a" "8f2491eeaa74d15689dab63c5a142bb142b691c6899d9054324453f6a382cc6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking deranged v0.3.11
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking winnow v0.6.18
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking indexmap v2.4.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]     Checking rayon-core v1.12.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking systemstat v0.2.3
[INFO] [stderr]     Checking sysinfo v0.31.2
[INFO] [stderr]    Compiling serde_derive v1.0.208
[INFO] [stderr]     Checking serde v1.0.208
[INFO] [stderr]     Checking toml_datetime v0.6.8
[INFO] [stderr]     Checking serde_spanned v0.6.7
[INFO] [stderr]     Checking toml_edit v0.22.20
[INFO] [stderr]     Checking toml v0.8.19
[INFO] [stderr]     Checking marvin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `FileSystem` is never constructed
[INFO] [stdout]   --> src/metrics/mount.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FileSystem {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FileSystem` is never constructed
[INFO] [stdout]   --> src/metrics/mount.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FileSystem {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/metrics/mount.rs:61:17
[INFO] [stdout]    |
[INFO] [stdout] 61 |         assert!(out.len() > 0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!out.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout]    = note: `#[warn(clippy::len_zero)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/metrics/mount.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |         assert!(!out.is_err());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: try: `out.is_ok()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: length comparison to zero
[INFO] [stdout]   --> src/metrics/memory.rs:32:17
[INFO] [stdout]    |
[INFO] [stdout] 32 |         assert!(out.len() > 0);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: using `!is_empty` is clearer and more explicit: `!out.is_empty()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#len_zero
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.44s
[INFO] running `Command { std: "docker" "inspect" "8f2491eeaa74d15689dab63c5a142bb142b691c6899d9054324453f6a382cc6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2491eeaa74d15689dab63c5a142bb142b691c6899d9054324453f6a382cc6a", kill_on_drop: false }`
[INFO] [stdout] 8f2491eeaa74d15689dab63c5a142bb142b691c6899d9054324453f6a382cc6a