[INFO] cloning repository https://github.com/kendra-pdx/rats [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kendra-pdx/rats" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendra-pdx%2Frats", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendra-pdx%2Frats'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 31adc65844e6c4c33e5c04804099f54341ffcb11 [INFO] checking kendra-pdx/rats against try#87f2ecc56b5f6032b075c8934ebc77f28d57183c for pr-148190 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkendra-pdx%2Frats" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/kendra-pdx/rats [INFO] finished tweaking git repo https://github.com/kendra-pdx/rats [INFO] tweaked toml for git repo https://github.com/kendra-pdx/rats written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/kendra-pdx/rats on toolchain 87f2ecc56b5f6032b075c8934ebc77f28d57183c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/kendra-pdx/rats 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" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f90d09eb2187ed0ecca4bb90e6228578ae00fc9f77b0a58b4bfadc50819f11ef [INFO] running `Command { std: "docker" "start" "-a" "f90d09eb2187ed0ecca4bb90e6228578ae00fc9f77b0a58b4bfadc50819f11ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f90d09eb2187ed0ecca4bb90e6228578ae00fc9f77b0a58b4bfadc50819f11ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f90d09eb2187ed0ecca4bb90e6228578ae00fc9f77b0a58b4bfadc50819f11ef", kill_on_drop: false }` [INFO] [stdout] f90d09eb2187ed0ecca4bb90e6228578ae00fc9f77b0a58b4bfadc50819f11ef [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+87f2ecc56b5f6032b075c8934ebc77f28d57183c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cf8c82063d7b55c9dde5112f90cf930658d05f1e7396be9e444752a1503bf224 [INFO] running `Command { std: "docker" "start" "-a" "cf8c82063d7b55c9dde5112f90cf930658d05f1e7396be9e444752a1503bf224", kill_on_drop: false }` [INFO] [stderr] Checking rats v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `lift_a2` and `ap` are never used [INFO] [stdout] --> src/applicative.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Applicative: Pure { [INFO] [stdout] | ----------- methods in this trait [INFO] [stdout] 4 | fn lift_a2(&self, b: &Self::To, f: F) -> Self::To [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | fn ap(&self, b: &Self::To) -> Self::To [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Functor` is never used [INFO] [stdout] --> src/functor.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Functor: HKT { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `IdentityT` is never constructed [INFO] [stdout] --> src/identity.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct IdentityT(M); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Monoid` is never used [INFO] [stdout] --> src/monoid.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Monoid {} [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `MonadTrans` is never used [INFO] [stdout] --> src/mt.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait MonadTrans { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `pure` is never used [INFO] [stdout] --> src/pure.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub trait Pure: HKT { [INFO] [stdout] | ---- associated function in this trait [INFO] [stdout] 4 | fn pure(t: Self::Of) -> Self::To; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `combine` is never used [INFO] [stdout] --> src/semigroup.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub trait Semigroup { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] 2 | fn combine(self, rhs: Self) -> Self; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> src/std/vec.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 75 | let plus1 = |x: &i32| x + 1; [INFO] [stdout] | --------- the expected closure [INFO] [stdout] 76 | let plus2 = |x: &i32| x + 2; [INFO] [stdout] 77 | let a = vec![plus1, plus2]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | expected `[{closure@vec.rs:75:21}; _]`, found `[fn(&i32) -> i32; 2]` [INFO] [stdout] | arguments to this function are incorrect [INFO] [stdout] | [INFO] [stdout] = note: expected array `[{closure@src/std/vec.rs:75:21: 75:30}; _]` [INFO] [stdout] found array `[for<'a> fn(&'a i32) -> i32; 2]` [INFO] [stdout] help: the return type of this call is `[for<'a> fn(&'a i32) -> i32; 2]` due to the type of the argument passed [INFO] [stdout] --> src/std/vec.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let a = vec![plus1, plus2]; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ this argument influences the return type of `write_box_via_move` [INFO] [stdout] note: function defined here [INFO] [stdout] --> /rustc/87f2ecc56b5f6032b075c8934ebc77f28d57183c/library/alloc/src/intrinsics.rs:15:7 [INFO] [stdout] = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `r` [INFO] [stdout] --> src/validation.rs:126:13 [INFO] [stdout] | [INFO] [stdout] 126 | let r = v_even.lift_a2(&v_non_negative, |a, b| { (a.clone(), b.clone()) }); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_r` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rats` (lib test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "cf8c82063d7b55c9dde5112f90cf930658d05f1e7396be9e444752a1503bf224", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf8c82063d7b55c9dde5112f90cf930658d05f1e7396be9e444752a1503bf224", kill_on_drop: false }` [INFO] [stdout] cf8c82063d7b55c9dde5112f90cf930658d05f1e7396be9e444752a1503bf224