[INFO] cloning repository https://github.com/mattygersh21/rust-headr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattygersh21/rust-headr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattygersh21%2Frust-headr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattygersh21%2Frust-headr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 730e4f28ccf4457823e27782f0548d09298f31bd
[INFO] checking mattygersh21/rust-headr against try#79452e8441468c5568c20bfca2aa1fe75b645b2d for pr-152210
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattygersh21%2Frust-headr" "/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/mattygersh21/rust-headr
[INFO] finished tweaking git repo https://github.com/mattygersh21/rust-headr
[INFO] tweaked toml for git repo https://github.com/mattygersh21/rust-headr written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mattygersh21/rust-headr on toolchain 79452e8441468c5568c20bfca2aa1fe75b645b2d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mattygersh21/rust-headr 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" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "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 predicates-tree v1.0.7
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded bstr v1.1.0
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9ca1f795df97b2e617bfe55a6f68d3775a1d896362dc53eedf6106deadc5563f
[INFO] running `Command { std: "docker" "start" "-a" "9ca1f795df97b2e617bfe55a6f68d3775a1d896362dc53eedf6106deadc5563f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9ca1f795df97b2e617bfe55a6f68d3775a1d896362dc53eedf6106deadc5563f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ca1f795df97b2e617bfe55a6f68d3775a1d896362dc53eedf6106deadc5563f", kill_on_drop: false }`
[INFO] [stdout] 9ca1f795df97b2e617bfe55a6f68d3775a1d896362dc53eedf6106deadc5563f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+79452e8441468c5568c20bfca2aa1fe75b645b2d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 875980d5be23682955d58ea61960efbc213ab9d6c8ae70dc28c92e1084d71d1f
[INFO] running `Command { std: "docker" "start" "-a" "875980d5be23682955d58ea61960efbc213ab9d6c8ae70dc28c92e1084d71d1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking predicates-core v1.0.5
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking once_cell v1.17.0
[INFO] [stderr]     Checking termtree v0.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.7
[INFO] [stderr]     Checking bstr v1.1.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking rust-headr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `bytes` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     bytes: Option<usize>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` 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]     Checking predicates v2.1.5
[INFO] [stderr]     Checking assert_cmd v2.0.8
[INFO] [stdout] warning: field `bytes` is never read
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  7 | pub struct Config {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 10 |     bytes: Option<usize>
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Config` 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 6.28s
[INFO] running `Command { std: "docker" "inspect" "875980d5be23682955d58ea61960efbc213ab9d6c8ae70dc28c92e1084d71d1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "875980d5be23682955d58ea61960efbc213ab9d6c8ae70dc28c92e1084d71d1f", kill_on_drop: false }`
[INFO] [stdout] 875980d5be23682955d58ea61960efbc213ab9d6c8ae70dc28c92e1084d71d1f
