[INFO] updating cached repository https://github.com/joshgarnett/adventofcode2018
[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] de39199d75408ca8a51dde3b17da7c0e21e57a2a
[INFO] checking joshgarnett/adventofcode2018 against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshgarnett%2Fadventofcode2018" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshgarnett/adventofcode2018 on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/joshgarnett/adventofcode2018
[INFO] finished tweaking git repo https://github.com/joshgarnett/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/joshgarnett/adventofcode2018 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/joshgarnett/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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] d73951f31f05cf7191307c396c3947b4d6530910f7c573a9a82e583b2232ab02
[INFO] running `"docker" "start" "-a" "d73951f31f05cf7191307c396c3947b4d6530910f7c573a9a82e583b2232ab02"`
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/mod.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut data = line.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/day8/mod.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let mut data = line.unwrap();
[INFO] [stderr]    |             ----^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn time<T>(name: &str, filename: &str, f: &Fn(&str) -> T) where T: std::fmt::Debug {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn time_no_file<T>(name: &str, f: &Fn() -> T) where T: std::fmt::Debug {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:17:44
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn time<T>(name: &str, filename: &str, f: &Fn(&str) -> T) where T: std::fmt::Debug {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> T`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:23:36
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn time_no_file<T>(name: &str, f: &Fn() -> T) where T: std::fmt::Debug {
[INFO] [stderr]    |                                    ^^^^^^^^^ help: use `dyn`: `dyn Fn() -> T`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `"docker" "inspect" "d73951f31f05cf7191307c396c3947b4d6530910f7c573a9a82e583b2232ab02"`
[INFO] running `"docker" "rm" "-f" "d73951f31f05cf7191307c396c3947b4d6530910f7c573a9a82e583b2232ab02"`
[INFO] [stdout] d73951f31f05cf7191307c396c3947b4d6530910f7c573a9a82e583b2232ab02