[INFO] cloning repository https://github.com/kgtkr/op_abstraction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kgtkr/op_abstraction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fop_abstraction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fop_abstraction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9ce8b6763ea8f6a7ea3af47efb12a5cdc92ef059
[INFO] checking kgtkr/op_abstraction against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkgtkr%2Fop_abstraction" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kgtkr/op_abstraction on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kgtkr/op_abstraction
[INFO] finished tweaking git repo https://github.com/kgtkr/op_abstraction
[INFO] tweaked toml for git repo https://github.com/kgtkr/op_abstraction written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/kgtkr/op_abstraction already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b4b8232e7c84022aa4fae6587302a59d96fed083f437bbbf1bd4c4cb8f11ff
[INFO] running `Command { std: "docker" "start" "-a" "e7b4b8232e7c84022aa4fae6587302a59d96fed083f437bbbf1bd4c4cb8f11ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b4b8232e7c84022aa4fae6587302a59d96fed083f437bbbf1bd4c4cb8f11ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b4b8232e7c84022aa4fae6587302a59d96fed083f437bbbf1bd4c4cb8f11ff", kill_on_drop: false }`
[INFO] [stdout] e7b4b8232e7c84022aa4fae6587302a59d96fed083f437bbbf1bd4c4cb8f11ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d53575f4047d35371cf86e83dfd633b8d0acecd7f945221d4786bbdf612a0e68
[INFO] running `Command { std: "docker" "start" "-a" "d53575f4047d35371cf86e83dfd633b8d0acecd7f945221d4786bbdf612a0e68", kill_on_drop: false }`
[INFO] [stderr]     Checking op_abstraction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `op`
[INFO] [stdout]  --> src/main.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn op(i: i32, a: i64, b: i64) -> i64 {
[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 0.09s
[INFO] running `Command { std: "docker" "inspect" "d53575f4047d35371cf86e83dfd633b8d0acecd7f945221d4786bbdf612a0e68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53575f4047d35371cf86e83dfd633b8d0acecd7f945221d4786bbdf612a0e68", kill_on_drop: false }`
[INFO] [stdout] d53575f4047d35371cf86e83dfd633b8d0acecd7f945221d4786bbdf612a0e68