[INFO] updating cached repository https://github.com/PhilippGackstatter/rusttracer
[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] 82c9241da5622155a10b50b5b04340e702682964
[INFO] checking PhilippGackstatter/rusttracer against master#30ca215b4e38b32aa7abdd635c5e2d56f5724494 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPhilippGackstatter%2Frusttracer" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PhilippGackstatter/rusttracer on toolchain 30ca215b4e38b32aa7abdd635c5e2d56f5724494
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PhilippGackstatter/rusttracer
[INFO] finished tweaking git repo https://github.com/PhilippGackstatter/rusttracer
[INFO] tweaked toml for git repo https://github.com/PhilippGackstatter/rusttracer written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/PhilippGackstatter/rusttracer already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+30ca215b4e38b32aa7abdd635c5e2d56f5724494" "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] f0ce46762df5383eb07afed39400ed70f9b28916effded6924cd9612e3a6ae7c
[INFO] running `"docker" "start" "-a" "f0ce46762df5383eb07afed39400ed70f9b28916effded6924cd9612e3a6ae7c"`
[INFO] [stderr]     Checking png v0.13.1
[INFO] [stderr]     Checking rusttracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut file = try!(File::create(&path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(file.write(header.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(file.write(&self.data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |         let mut file = try!(File::create(&path));
[INFO] [stderr]    |                        ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         try!(file.write(header.as_bytes()));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/util/ppm.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         try!(file.write(&self.data));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `"docker" "inspect" "f0ce46762df5383eb07afed39400ed70f9b28916effded6924cd9612e3a6ae7c"`
[INFO] running `"docker" "rm" "-f" "f0ce46762df5383eb07afed39400ed70f9b28916effded6924cd9612e3a6ae7c"`
[INFO] [stdout] f0ce46762df5383eb07afed39400ed70f9b28916effded6924cd9612e3a6ae7c