[INFO] cloning repository https://github.com/chernomor/ops4struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chernomor/ops4struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ceb2d73046edca845a7d7fe95283cedd9f224c0
[INFO] checking chernomor/ops4struct against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchernomor%2Fops4struct" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chernomor/ops4struct on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/chernomor/ops4struct
[INFO] finished tweaking git repo https://github.com/chernomor/ops4struct
[INFO] tweaked toml for git repo https://github.com/chernomor/ops4struct written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/chernomor/ops4struct already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1891c6611d564d4355f0c797bbc583afa9ec3058ae84f31c11a069b91d466ce1
[INFO] running `Command { std: "docker" "start" "-a" "1891c6611d564d4355f0c797bbc583afa9ec3058ae84f31c11a069b91d466ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1891c6611d564d4355f0c797bbc583afa9ec3058ae84f31c11a069b91d466ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1891c6611d564d4355f0c797bbc583afa9ec3058ae84f31c11a069b91d466ce1", kill_on_drop: false }`
[INFO] [stdout] 1891c6611d564d4355f0c797bbc583afa9ec3058ae84f31c11a069b91d466ce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09af1bd2cf68f9c92f1274048c331c35f12af6ba8c6130fdf5d1f3e9e6dc978d
[INFO] running `Command { std: "docker" "start" "-a" "09af1bd2cf68f9c92f1274048c331c35f12af6ba8c6130fdf5d1f3e9e6dc978d", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.8
[INFO] [stderr]    Compiling ops4struct_derive v0.1.0 (/opt/rustwide/workdir/ops4struct_derive)
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking syn v1.0.14
[INFO] [stderr]     Checking ops4struct v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `add_assign_ref`
[INFO] [stdout]   --> tests/main.rs:54:4
[INFO] [stdout]    |
[INFO] [stdout] 54 | fn add_assign_ref() {
[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 3.73s
[INFO] running `Command { std: "docker" "inspect" "09af1bd2cf68f9c92f1274048c331c35f12af6ba8c6130fdf5d1f3e9e6dc978d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09af1bd2cf68f9c92f1274048c331c35f12af6ba8c6130fdf5d1f3e9e6dc978d", kill_on_drop: false }`
[INFO] [stdout] 09af1bd2cf68f9c92f1274048c331c35f12af6ba8c6130fdf5d1f3e9e6dc978d