[INFO] fetching crate memoization 0.1.0...
[INFO] checking memoization-0.1.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate memoization 0.1.0 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate memoization 0.1.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memoization 0.1.0
[INFO] finished tweaking crates.io crate memoization 0.1.0
[INFO] tweaked toml for crates.io crate memoization 0.1.0 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de6795a752623b43e3b36fa9e6f27ffe5ec68fd1e4fd71a17f06840a2a25bf6f
[INFO] running `Command { std: "docker" "start" "-a" "de6795a752623b43e3b36fa9e6f27ffe5ec68fd1e4fd71a17f06840a2a25bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de6795a752623b43e3b36fa9e6f27ffe5ec68fd1e4fd71a17f06840a2a25bf6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de6795a752623b43e3b36fa9e6f27ffe5ec68fd1e4fd71a17f06840a2a25bf6f", kill_on_drop: false }`
[INFO] [stdout] de6795a752623b43e3b36fa9e6f27ffe5ec68fd1e4fd71a17f06840a2a25bf6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7129bef5729ff180c68a804ee62f2873a0249f84119d9cb8161959f140e2f80
[INFO] running `Command { std: "docker" "start" "-a" "f7129bef5729ff180c68a804ee62f2873a0249f84119d9cb8161959f140e2f80", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking memoization v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `eq_str`
[INFO] [stdout]    --> src/lib.rs:258:8
[INFO] [stdout]     |
[INFO] [stdout] 258 |     fn eq_str(a: &str, b: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Testing`
[INFO] [stdout]    --> src/lib.rs:261:12
[INFO] [stdout]     |
[INFO] [stdout] 261 |     struct Testing<I:'static,O:Clone,F: Fn(I)->O> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f7129bef5729ff180c68a804ee62f2873a0249f84119d9cb8161959f140e2f80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7129bef5729ff180c68a804ee62f2873a0249f84119d9cb8161959f140e2f80", kill_on_drop: false }`
[INFO] [stdout] f7129bef5729ff180c68a804ee62f2873a0249f84119d9cb8161959f140e2f80
