[INFO] fetching crate pafn 0.0.0...
[INFO] checking pafn-0.0.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate pafn 0.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate pafn 0.0.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pafn 0.0.0
[INFO] finished tweaking crates.io crate pafn 0.0.0
[INFO] tweaked toml for crates.io crate pafn 0.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0820ead5e4f25ff7fe715aeb408283480e088f58eb8aa5a3bb09944bf6481219
[INFO] running `Command { std: "docker" "start" "-a" "0820ead5e4f25ff7fe715aeb408283480e088f58eb8aa5a3bb09944bf6481219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0820ead5e4f25ff7fe715aeb408283480e088f58eb8aa5a3bb09944bf6481219", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0820ead5e4f25ff7fe715aeb408283480e088f58eb8aa5a3bb09944bf6481219", kill_on_drop: false }`
[INFO] [stdout] 0820ead5e4f25ff7fe715aeb408283480e088f58eb8aa5a3bb09944bf6481219
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79259b9689a1aa439212e9852d476c84deb73e9263ff2bd80df0a17ed72459e8
[INFO] running `Command { std: "docker" "start" "-a" "79259b9689a1aa439212e9852d476c84deb73e9263ff2bd80df0a17ed72459e8", kill_on_drop: false }`
[INFO] [stderr]     Checking pafn v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `comp` is never used
[INFO] [stdout]  --> src/paf1_2.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn comp<X, Y, Z, F, G>(f: F, g: G) -> impl Fn(X) -> Z
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comp2` is never used
[INFO] [stdout]   --> src/paf1_2.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn comp2<Pf, Pg, X, Y, Z, F, G>(f: F, g: G) -> impl Fn((Pf, Pg), X) -> Z
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PaFn` is never constructed
[INFO] [stdout]   --> src/paf1_2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct PaFn<P, Y>(Box<dyn Fn(P) -> Y>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `run` and `bind` are never used
[INFO] [stdout]   --> src/paf1_2.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<P: 'static, Y: 'static> PaFn<P, Y> {
[INFO] [stdout]    | --------------------------------------- methods in this implementation
[INFO] [stdout] 45 |     pub fn run(&self, p: P) -> Y {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn bind<Pg: 'static, Z: 'static, G: Fn(Y) -> PaFn<Pg, Z> + 'static>(self, g: G) -> PaFn<(P, Pg), Z> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comp` is never used
[INFO] [stdout]  --> src/paf1_2.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn comp<X, Y, Z, F, G>(f: F, g: G) -> impl Fn(X) -> Z
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `comp2` is never used
[INFO] [stdout]   --> src/paf1_2.rs:11:4
[INFO] [stdout]    |
[INFO] [stdout] 11 | fn comp2<Pf, Pg, X, Y, Z, F, G>(f: F, g: G) -> impl Fn((Pf, Pg), X) -> Z
[INFO] [stdout]    |    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PaFn` is never constructed
[INFO] [stdout]   --> src/paf1_2.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 | struct PaFn<P, Y>(Box<dyn Fn(P) -> Y>);
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `run` and `bind` are never used
[INFO] [stdout]   --> src/paf1_2.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<P: 'static, Y: 'static> PaFn<P, Y> {
[INFO] [stdout]    | --------------------------------------- methods in this implementation
[INFO] [stdout] 45 |     pub fn run(&self, p: P) -> Y {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn bind<Pg: 'static, Z: 'static, G: Fn(Y) -> PaFn<Pg, Z> + 'static>(self, g: G) -> PaFn<(P, Pg), Z> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79259b9689a1aa439212e9852d476c84deb73e9263ff2bd80df0a17ed72459e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79259b9689a1aa439212e9852d476c84deb73e9263ff2bd80df0a17ed72459e8", kill_on_drop: false }`
[INFO] [stdout] 79259b9689a1aa439212e9852d476c84deb73e9263ff2bd80df0a17ed72459e8