[INFO] cloning repository https://github.com/misty1999/rust-proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/misty1999/rust-proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frust-proof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frust-proof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6394abb65a84e900cab0ffcd5918bfc4de0abdba
[INFO] checking misty1999/rust-proof against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmisty1999%2Frust-proof" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/misty1999/rust-proof
[INFO] finished tweaking git repo https://github.com/misty1999/rust-proof
[INFO] tweaked toml for git repo https://github.com/misty1999/rust-proof written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/misty1999/rust-proof on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/misty1999/rust-proof 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" "+5b237c915528dadada3f674b90c7c80368b632be" "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-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178
[INFO] running `Command { std: "docker" "start" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-proof v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `elim` is never used
[INFO] [stdout]  --> src/logic.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl False {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 5 |     pub fn elim<A>(self) -> A {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `elim` is never used
[INFO] [stdout]  --> src/logic.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl False {
[INFO] [stdout]   | ---------- method in this implementation
[INFO] [stdout] 5 |     pub fn elim<A>(self) -> A {
[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 `And` is never constructed
[INFO] [stdout]   --> src/logic.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct And<A, B>(A, B);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `And` is never constructed
[INFO] [stdout]   --> src/logic.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct And<A, B>(A, B);
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `intro`, `left`, and `right` are never used
[INFO] [stdout]   --> src/logic.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<A, B> And<A, B> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn intro(a: A, b: B) -> Self { And(a, b) }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 15 |     pub fn left(self) -> A { self.0 }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 16 |     pub fn right(self) -> B { self.1 }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Or` is never used
[INFO] [stdout]   --> src/logic.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Or<A, B> { Left(A), Right(B) }
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `intro`, `left`, and `right` are never used
[INFO] [stdout]   --> src/logic.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl<A, B> And<A, B> {
[INFO] [stdout]    | -------------------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn intro(a: A, b: B) -> Self { And(a, b) }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 15 |     pub fn left(self) -> A { self.0 }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 16 |     pub fn right(self) -> B { self.1 }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `elim` is never used
[INFO] [stdout]   --> src/logic.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<A, B> Or<A, B> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 21 |     pub fn elim<C>(self, f: impl FnOnce(A) -> C, g: impl FnOnce(B) -> C) -> C {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Or` is never used
[INFO] [stdout]   --> src/logic.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Or<A, B> { Left(A), Right(B) }
[INFO] [stdout]    |          ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `elim` is never used
[INFO] [stdout]   --> src/logic.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl<A, B> Or<A, B> {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 21 |     pub fn elim<C>(self, f: impl FnOnce(A) -> C, g: impl FnOnce(B) -> C) -> C {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178", kill_on_drop: false }`
[INFO] [stdout] a5b8e0ab69495565c85c1ce77f1cd148ea92d5e98d1dbf601217cf2ed0a82178
