[INFO] updating cached repository https://github.com/fsyncd/rust-runc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68e55d42e9cd8566716500a87eafd3f339777717
[INFO] checking fsyncd/rust-runc against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsyncd%2Frust-runc" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fsyncd/rust-runc on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fsyncd/rust-runc
[INFO] finished tweaking git repo https://github.com/fsyncd/rust-runc
[INFO] tweaked toml for git repo https://github.com/fsyncd/rust-runc written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/fsyncd/rust-runc already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a15914f5572c51277d74db4f393e7f03eec22b2e190ae47216719451161941f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4a15914f5572c51277d74db4f393e7f03eec22b2e190ae47216719451161941f"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking rust-runc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/lib.rs:214:43
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     return Box::new(err(e.into()));
[INFO] [stderr]     |                                         - ^^^^ unreachable call
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/lib.rs:403:43
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     return Box::new(err(e.into()));
[INFO] [stderr]     |                                         - ^^^^ unreachable call
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/lib.rs:214:43
[INFO] [stderr]     |
[INFO] [stderr] 214 |                     return Box::new(err(e.into()));
[INFO] [stderr]     |                                         - ^^^^ unreachable call
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         any code following this expression is unreachable
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable call
[INFO] [stderr]    --> src/lib.rs:403:43
[INFO] [stderr]     |
[INFO] [stderr] 403 |                     return Box::new(err(e.into()));
[INFO] [stderr]     |                                         - ^^^^ unreachable call
[INFO] [stderr]     |                                         |
[INFO] [stderr]     |                                         any code following this expression is unreachable
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.78s
[INFO] running `"docker" "inspect" "4a15914f5572c51277d74db4f393e7f03eec22b2e190ae47216719451161941f"`
[INFO] running `"docker" "rm" "-f" "4a15914f5572c51277d74db4f393e7f03eec22b2e190ae47216719451161941f"`
[INFO] [stdout] 4a15914f5572c51277d74db4f393e7f03eec22b2e190ae47216719451161941f