[INFO] cloning repository https://github.com/manuel-woelker/timed
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manuel-woelker/timed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Ftimed"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Ftimed'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fde1efc205f82f392675b4714f7d112a66abb33
[INFO] checking manuel-woelker/timed against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanuel-woelker%2Ftimed" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/manuel-woelker/timed on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/manuel-woelker/timed
[INFO] finished tweaking git repo https://github.com/manuel-woelker/timed
[INFO] tweaked toml for git repo https://github.com/manuel-woelker/timed written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/manuel-woelker/timed already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "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] 175a15a3a23c7d4e543f5cbfd2e92463b2500433b63cca926b7038cddf1fb3ff
[INFO] running `"docker" "start" "-a" "175a15a3a23c7d4e543f5cbfd2e92463b2500433b63cca926b7038cddf1fb3ff"`
[INFO] [stderr]     Checking libc v0.2.20
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking futures v0.1.10
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking time v0.1.36
[INFO] [stderr]     Checking mio v0.6.4
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.4
[INFO] [stderr]     Checking tokio-proto v0.1.0
[INFO] [stderr]     Checking timed v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.52s
[INFO] running `"docker" "inspect" "175a15a3a23c7d4e543f5cbfd2e92463b2500433b63cca926b7038cddf1fb3ff"`
[INFO] running `"docker" "rm" "-f" "175a15a3a23c7d4e543f5cbfd2e92463b2500433b63cca926b7038cddf1fb3ff"`
[INFO] [stdout] 175a15a3a23c7d4e543f5cbfd2e92463b2500433b63cca926b7038cddf1fb3ff