[INFO] cloning repository https://github.com/tuzz/supersat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/supersat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsupersat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsupersat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf16153a5d25cd73de636b16138287fdea9299e0
[INFO] checking tuzz/supersat against master#a33907a7a5381473eec8bcfa0c56e05a856a911c for pr-151539
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fsupersat" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tuzz/supersat
[INFO] finished tweaking git repo https://github.com/tuzz/supersat
[INFO] tweaked toml for git repo https://github.com/tuzz/supersat written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tuzz/supersat on toolchain a33907a7a5381473eec8bcfa0c56e05a856a911c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tuzz/supersat 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" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/tobz1000/rust-itertools`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitvec v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b8844eef9141d76c6eae951b844054c19ae8c944b2213f60efa4c6aa18b87eb
[INFO] running `Command { std: "docker" "start" "-a" "4b8844eef9141d76c6eae951b844054c19ae8c944b2213f60efa4c6aa18b87eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b8844eef9141d76c6eae951b844054c19ae8c944b2213f60efa4c6aa18b87eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b8844eef9141d76c6eae951b844054c19ae8c944b2213f60efa4c6aa18b87eb", kill_on_drop: false }`
[INFO] [stdout] 4b8844eef9141d76c6eae951b844054c19ae8c944b2213f60efa4c6aa18b87eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+a33907a7a5381473eec8bcfa0c56e05a856a911c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4da8361716ea844a2926ea14ab168fee337706c3c73c2d070ec17230edc5c82e
[INFO] running `Command { std: "docker" "start" "-a" "4da8361716ea844a2926ea14ab168fee337706c3c73c2d070ec17230edc5c82e", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking bitvec v0.9.0
[INFO] [stderr]     Checking itertools v0.7.8 (https://github.com/tobz1000/rust-itertools?branch=permutations#d76bfc2a)
[INFO] [stderr]     Checking supersat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/snapshot/mod.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let states = (0..=index).map(|i| (n - i)).product::<usize>();
[INFO] [stdout]    |                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let states = (0..=index).map(|i| (n - i)).product::<usize>();
[INFO] [stdout] 34 +         let states = (0..=index).map(|i| n - i ).product::<usize>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around closure body
[INFO] [stdout]   --> src/snapshot/mod.rs:34:42
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let states = (0..=index).map(|i| (n - i)).product::<usize>();
[INFO] [stdout]    |                                          ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 34 -         let states = (0..=index).map(|i| (n - i)).product::<usize>();
[INFO] [stdout] 34 +         let states = (0..=index).map(|i| n - i ).product::<usize>();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `negative` is never used
[INFO] [stdout]   --> src/literal/mod.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Literal {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     pub fn negative(variable: Variable) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "4da8361716ea844a2926ea14ab168fee337706c3c73c2d070ec17230edc5c82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4da8361716ea844a2926ea14ab168fee337706c3c73c2d070ec17230edc5c82e", kill_on_drop: false }`
[INFO] [stdout] 4da8361716ea844a2926ea14ab168fee337706c3c73c2d070ec17230edc5c82e