[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] testing pmalmgren/cat-rs against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fcat-rs" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pmalmgren/cat-rs on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2383000723c7660dc8d3e5ac5bb1b5765bc85c4013c3f8fddfd3ef3b4790d35a
[INFO] running `Command { std: "docker" "start" "-a" "2383000723c7660dc8d3e5ac5bb1b5765bc85c4013c3f8fddfd3ef3b4790d35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2383000723c7660dc8d3e5ac5bb1b5765bc85c4013c3f8fddfd3ef3b4790d35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2383000723c7660dc8d3e5ac5bb1b5765bc85c4013c3f8fddfd3ef3b4790d35a", kill_on_drop: false }`
[INFO] [stdout] 2383000723c7660dc8d3e5ac5bb1b5765bc85c4013c3f8fddfd3ef3b4790d35a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01837dacc3a03d1f75a5bc37b13b91194eafaba2066ef25898a120f8707ac50d
[INFO] running `Command { std: "docker" "start" "-a" "01837dacc3a03d1f75a5bc37b13b91194eafaba2066ef25898a120f8707ac50d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling uring-sys v0.7.4
[INFO] [stderr]    Compiling iou v0.3.3
[INFO] [stderr]    Compiling 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.43s
[INFO] running `Command { std: "docker" "inspect" "01837dacc3a03d1f75a5bc37b13b91194eafaba2066ef25898a120f8707ac50d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01837dacc3a03d1f75a5bc37b13b91194eafaba2066ef25898a120f8707ac50d", kill_on_drop: false }`
[INFO] [stdout] 01837dacc3a03d1f75a5bc37b13b91194eafaba2066ef25898a120f8707ac50d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1470e42488765b265d8b24db08af8d34b39f0ff4e7bb78f756862de1c3bb798d
[INFO] running `Command { std: "docker" "start" "-a" "1470e42488765b265d8b24db08af8d34b39f0ff4e7bb78f756862de1c3bb798d", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "1470e42488765b265d8b24db08af8d34b39f0ff4e7bb78f756862de1c3bb798d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1470e42488765b265d8b24db08af8d34b39f0ff4e7bb78f756862de1c3bb798d", kill_on_drop: false }`
[INFO] [stdout] 1470e42488765b265d8b24db08af8d34b39f0ff4e7bb78f756862de1c3bb798d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8acb4a59df27c14a85939c3d6dde6f4fb6c01bb52f0d481d5dd079903c7ab7f
[INFO] running `Command { std: "docker" "start" "-a" "f8acb4a59df27c14a85939c3d6dde6f4fb6c01bb52f0d481d5dd079903c7ab7f", kill_on_drop: false }`
[INFO] [stderr] warning: fields `f` and `fsize` are never read
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  8 | struct IORequest {
[INFO] [stderr]    |        --------- fields in this struct
[INFO] [stderr]  9 |     fd: RawFd,
[INFO] [stderr] 10 |     f: std::fs::File,
[INFO] [stderr]    |     ^
[INFO] [stderr] 11 |     fsize: u64,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `IORequest` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: `cat_iou` (bin "cat_iou" test) generated 1 warning
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cat_iou-aab7f96d9e000627)
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f8acb4a59df27c14a85939c3d6dde6f4fb6c01bb52f0d481d5dd079903c7ab7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8acb4a59df27c14a85939c3d6dde6f4fb6c01bb52f0d481d5dd079903c7ab7f", kill_on_drop: false }`
[INFO] [stdout] f8acb4a59df27c14a85939c3d6dde6f4fb6c01bb52f0d481d5dd079903c7ab7f