[INFO] cloning repository https://github.com/nt591/rust-template
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nt591/rust-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Frust-template", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Frust-template'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d27bf78b0df4b9f7d02e603b371d99c65482348e
[INFO] checking nt591/rust-template against try#e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b for pr-144896
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnt591%2Frust-template" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nt591/rust-template
[INFO] finished tweaking git repo https://github.com/nt591/rust-template
[INFO] tweaked toml for git repo https://github.com/nt591/rust-template written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nt591/rust-template on toolchain e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nt591/rust-template 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" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 629efe64240ecfb313c0d83aa0e536c05fa766c8d01d5da85f12b2ea7c279f4a
[INFO] running `Command { std: "docker" "start" "-a" "629efe64240ecfb313c0d83aa0e536c05fa766c8d01d5da85f12b2ea7c279f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "629efe64240ecfb313c0d83aa0e536c05fa766c8d01d5da85f12b2ea7c279f4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "629efe64240ecfb313c0d83aa0e536c05fa766c8d01d5da85f12b2ea7c279f4a", kill_on_drop: false }`
[INFO] [stdout] 629efe64240ecfb313c0d83aa0e536c05fa766c8d01d5da85f12b2ea7c279f4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:ae6f63d130afcfff7f91f5ba9fdb2a74d52830289c6a2ea2d23a94dcfb480a0d" "/opt/rustwide/cargo-home/bin/cargo" "+e658ebe4ffa1b515cd2ef06dd428d0d063e2ae6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbbec970df128a6fd02ef7c89cc9ec6e9ef6f106a36e8019e0768581bc2c6080
[INFO] running `Command { std: "docker" "start" "-a" "dbbec970df128a6fd02ef7c89cc9ec6e9ef6f106a36e8019e0768581bc2c6080", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-template v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Calculator` is never constructed
[INFO] [stdout]  --> src/calculator.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Calculator;
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `add` is never used
[INFO] [stdout]  --> src/calculator.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | impl Calculator {
[INFO] [stdout]   | --------------- associated function in this implementation
[INFO] [stdout] 4 |     pub fn add(x: usize, y:usize) -> usize {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "dbbec970df128a6fd02ef7c89cc9ec6e9ef6f106a36e8019e0768581bc2c6080", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbbec970df128a6fd02ef7c89cc9ec6e9ef6f106a36e8019e0768581bc2c6080", kill_on_drop: false }`
[INFO] [stdout] dbbec970df128a6fd02ef7c89cc9ec6e9ef6f106a36e8019e0768581bc2c6080