[INFO] cloning repository https://github.com/VengeQ/categorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VengeQ/categorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afd457aaf98ec991278354bace8811f7b78c4ac1
[INFO] checking VengeQ/categorial against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVengeQ%2Fcategorial" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VengeQ/categorial on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VengeQ/categorial
[INFO] finished tweaking git repo https://github.com/VengeQ/categorial
[INFO] tweaked toml for git repo https://github.com/VengeQ/categorial written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/VengeQ/categorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc7fe7ae6c5066b2b266c4a142f1445388ab00c5562c2543972ec88603840435
[INFO] running `Command { std: "docker" "start" "-a" "dc7fe7ae6c5066b2b266c4a142f1445388ab00c5562c2543972ec88603840435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc7fe7ae6c5066b2b266c4a142f1445388ab00c5562c2543972ec88603840435", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc7fe7ae6c5066b2b266c4a142f1445388ab00c5562c2543972ec88603840435", kill_on_drop: false }`
[INFO] [stdout] dc7fe7ae6c5066b2b266c4a142f1445388ab00c5562c2543972ec88603840435
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 862c1f3bc85657086534083b828be6a096c6cdef6ff7f25cb2d7e88d9405032a
[INFO] running `Command { std: "docker" "start" "-a" "862c1f3bc85657086534083b828be6a096c6cdef6ff7f25cb2d7e88d9405032a", kill_on_drop: false }`
[INFO] [stderr]     Checking categorial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]    --> src/instances/monoid.rs:164:16
[INFO] [stdout]     |
[INFO] [stdout] 164 |         pub fn value(&self) -> String {
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "862c1f3bc85657086534083b828be6a096c6cdef6ff7f25cb2d7e88d9405032a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "862c1f3bc85657086534083b828be6a096c6cdef6ff7f25cb2d7e88d9405032a", kill_on_drop: false }`
[INFO] [stdout] 862c1f3bc85657086534083b828be6a096c6cdef6ff7f25cb2d7e88d9405032a