[INFO] cloning repository https://github.com/pione30/rusty-higher-kinded-type
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pione30/rusty-higher-kinded-type" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpione30%2Frusty-higher-kinded-type", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpione30%2Frusty-higher-kinded-type'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5c4974371dfd69b3096b368de1b0597f407eeaae
[INFO] checking pione30/rusty-higher-kinded-type against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpione30%2Frusty-higher-kinded-type" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pione30/rusty-higher-kinded-type
[INFO] finished tweaking git repo https://github.com/pione30/rusty-higher-kinded-type
[INFO] tweaked toml for git repo https://github.com/pione30/rusty-higher-kinded-type written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pione30/rusty-higher-kinded-type on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pione30/rusty-higher-kinded-type 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d3a646f787b5c706081c15b7db305e55dba70ef8d3a008daa817375441fbcb3
[INFO] running `Command { std: "docker" "start" "-a" "8d3a646f787b5c706081c15b7db305e55dba70ef8d3a008daa817375441fbcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d3a646f787b5c706081c15b7db305e55dba70ef8d3a008daa817375441fbcb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3a646f787b5c706081c15b7db305e55dba70ef8d3a008daa817375441fbcb3", kill_on_drop: false }`
[INFO] [stdout] 8d3a646f787b5c706081c15b7db305e55dba70ef8d3a008daa817375441fbcb3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4c81d08388d33798cba8346292f8ec0074c5cae90fb9aee37beb28c1ccd438e
[INFO] running `Command { std: "docker" "start" "-a" "c4c81d08388d33798cba8346292f8ec0074c5cae90fb9aee37beb28c1ccd438e", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty-higher-kinded-type v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `map` is never used
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Functor<U>: HKT<U> {
[INFO] [stdout]   |       ------- method in this trait
[INFO] [stdout] 8 |     fn map<F>(self, f: F) -> Self::MU
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `map` is never used
[INFO] [stdout]  --> src/main.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | trait Functor<U>: HKT<U> {
[INFO] [stdout]   |       ------- method in this trait
[INFO] [stdout] 8 |     fn map<F>(self, f: F) -> Self::MU
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "c4c81d08388d33798cba8346292f8ec0074c5cae90fb9aee37beb28c1ccd438e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4c81d08388d33798cba8346292f8ec0074c5cae90fb9aee37beb28c1ccd438e", kill_on_drop: false }`
[INFO] [stdout] c4c81d08388d33798cba8346292f8ec0074c5cae90fb9aee37beb28c1ccd438e