[INFO] cloning repository https://github.com/pmalmgren/cat-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmalmgren/cat-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fcat-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fcat-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15fa083d6ebf6786000609d93afdac60cd20ba08
[INFO] checking pmalmgren/cat-rs against try#ed606620234c6b50f2414162c4bbabd5f4a925f3 for pr-147995
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fcat-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pmalmgren/cat-rs
[INFO] finished tweaking git repo https://github.com/pmalmgren/cat-rs
[INFO] tweaked toml for git repo https://github.com/pmalmgren/cat-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmalmgren/cat-rs on toolchain ed606620234c6b50f2414162c4bbabd5f4a925f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pmalmgren/cat-rs 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" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iou v0.3.3
[INFO] [stderr]   Downloaded cc v1.0.67
[INFO] [stderr]   Downloaded uring-sys v0.7.4
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8357a77a014e9e7bddcaae3a7776878c297e3302d50828ee23e84aecfd2e6aab
[INFO] running `Command { std: "docker" "start" "-a" "8357a77a014e9e7bddcaae3a7776878c297e3302d50828ee23e84aecfd2e6aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8357a77a014e9e7bddcaae3a7776878c297e3302d50828ee23e84aecfd2e6aab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8357a77a014e9e7bddcaae3a7776878c297e3302d50828ee23e84aecfd2e6aab", kill_on_drop: false }`
[INFO] [stdout] 8357a77a014e9e7bddcaae3a7776878c297e3302d50828ee23e84aecfd2e6aab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ed606620234c6b50f2414162c4bbabd5f4a925f3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54012d4adcc49604141edca4dde0c10a8d37bf91049ac39bf79bc7a050e470e0
[INFO] running `Command { std: "docker" "start" "-a" "54012d4adcc49604141edca4dde0c10a8d37bf91049ac39bf79bc7a050e470e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling uring-sys v0.7.4
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking iou v0.3.3
[INFO] [stderr]     Checking cat_iou v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `f` and `fsize` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct IORequest {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout]  9 |     fd: RawFd,
[INFO] [stdout] 10 |     f: std::fs::File,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     fsize: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IORequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `f` and `fsize` are never read
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | struct IORequest {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout]  9 |     fd: RawFd,
[INFO] [stdout] 10 |     f: std::fs::File,
[INFO] [stdout]    |     ^
[INFO] [stdout] 11 |     fsize: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `IORequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.55s
[INFO] running `Command { std: "docker" "inspect" "54012d4adcc49604141edca4dde0c10a8d37bf91049ac39bf79bc7a050e470e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54012d4adcc49604141edca4dde0c10a8d37bf91049ac39bf79bc7a050e470e0", kill_on_drop: false }`
[INFO] [stdout] 54012d4adcc49604141edca4dde0c10a8d37bf91049ac39bf79bc7a050e470e0