[INFO] cloning repository https://github.com/fsyncd/rust-runc [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fsyncd/rust-runc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsyncd%2Frust-runc"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsyncd%2Frust-runc'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 68e55d42e9cd8566716500a87eafd3f339777717 [INFO] checking fsyncd/rust-runc against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffsyncd%2Frust-runc" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/fsyncd/rust-runc on toolchain e922e6444795ab795fab1943288aee3d543699b8 [INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "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-6/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" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4dd27de793b8ca9a0ed3d893cffb78da3c67ead6b703aa14e2578c63a43d04aa [INFO] running `"docker" "start" "-a" "4dd27de793b8ca9a0ed3d893cffb78da3c67ead6b703aa14e2578c63a43d04aa"` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Checking tar v0.4.26 [INFO] [stderr] Compiling serde_derive v1.0.102 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling memoffset v0.5.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.10 [INFO] [stderr] Checking tokio-threadpool v0.1.16 [INFO] [stderr] Checking tokio-signal v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.5 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-process v0.2.4 [INFO] [stderr] Checking serde v1.0.102 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking chrono v0.4.9 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking uuid v0.8.1 [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 1m 28s [INFO] running `"docker" "inspect" "4dd27de793b8ca9a0ed3d893cffb78da3c67ead6b703aa14e2578c63a43d04aa"` [INFO] running `"docker" "rm" "-f" "4dd27de793b8ca9a0ed3d893cffb78da3c67ead6b703aa14e2578c63a43d04aa"` [INFO] [stdout] 4dd27de793b8ca9a0ed3d893cffb78da3c67ead6b703aa14e2578c63a43d04aa