[INFO] cloning repository https://github.com/raccog/gitrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/raccog/gitrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraccog%2Fgitrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraccog%2Fgitrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf1b42b65a73a975dda0d7f367d65c32016c4a20
[INFO] checking raccog/gitrs against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fraccog%2Fgitrs" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/raccog/gitrs on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/raccog/gitrs
[INFO] finished tweaking git repo https://github.com/raccog/gitrs
[INFO] tweaked toml for git repo https://github.com/raccog/gitrs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/raccog/gitrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3b70c9432f921724a8679e6d771b464b91c030dd480dbc90990bc09725c7bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d3b70c9432f921724a8679e6d771b464b91c030dd480dbc90990bc09725c7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3b70c9432f921724a8679e6d771b464b91c030dd480dbc90990bc09725c7bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3b70c9432f921724a8679e6d771b464b91c030dd480dbc90990bc09725c7bb", kill_on_drop: false }`
[INFO] [stdout] 4d3b70c9432f921724a8679e6d771b464b91c030dd480dbc90990bc09725c7bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1a043771c13acc36b26712019d1f3fa2c0d234b064a3e9fc6a7e6287bf6c3e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d1a043771c13acc36b26712019d1f3fa2c0d234b064a3e9fc6a7e6287bf6c3e7", kill_on_drop: false }`
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking ascii v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking gitrs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `get_object_path`
[INFO] [stdout]  --> src/utils/paths.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_object_path(repo: &GitRepo, sha: &str) -> PathBuf {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_object_path`
[INFO] [stdout]  --> src/utils/paths.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn get_object_path(repo: &GitRepo, sha: &str) -> PathBuf {
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.51s
[INFO] running `Command { std: "docker" "inspect" "d1a043771c13acc36b26712019d1f3fa2c0d234b064a3e9fc6a7e6287bf6c3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1a043771c13acc36b26712019d1f3fa2c0d234b064a3e9fc6a7e6287bf6c3e7", kill_on_drop: false }`
[INFO] [stdout] d1a043771c13acc36b26712019d1f3fa2c0d234b064a3e9fc6a7e6287bf6c3e7