[INFO] updating cached repository https://github.com/creinholdsson/picat
[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] bb2d83adc5826edb07092b3c8cd0d23134e432ac
[INFO] checking creinholdsson/picat against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcreinholdsson%2Fpicat" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/creinholdsson/picat on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/creinholdsson/picat
[INFO] finished tweaking git repo https://github.com/creinholdsson/picat
[INFO] tweaked toml for git repo https://github.com/creinholdsson/picat written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/creinholdsson/picat already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 8a643858355cc9800046ea4979811b2811597412bdb9f5c5cded271b4532f634
[INFO] running `"docker" "start" "-a" "8a643858355cc9800046ea4979811b2811597412bdb9f5c5cded271b4532f634"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking rppal v0.11.3
[INFO] [stderr]     Checking chrono v0.4.8
[INFO] [stderr]     Checking picat v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `weekday_to_int`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn weekday_to_int(weekday: Weekday) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `int_to_weekday`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:26:1
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn int_to_weekday(int: u32) -> Weekday {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `serialize`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn serialize(schedule: &crate::schedule::Schedule) -> String {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `deserialize`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:55:1
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn deserialize(json: &str, schedule: &mut crate::schedule::Schedule) -> Result<(), String> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `save`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:76:1
[INFO] [stderr]    |
[INFO] [stderr] 76 | pub fn save(file_path: &str, schedule: &crate::schedule::Schedule) -> Result<(), std::io::Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `load`
[INFO] [stderr]   --> src/persistant_schedule_storage.rs:82:1
[INFO] [stderr]    |
[INFO] [stderr] 82 | pub fn load(file_path: &str) -> Result<crate::schedule::Schedule, std::io::Error> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get_times`
[INFO] [stderr]   --> src/schedule.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     pub fn get_times(&self) -> &Vec<Occasion> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sched`
[INFO] [stderr]    --> src/persistant_schedule_storage.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |     let sched = deserialize(json.as_str(), &mut new_schedule);
[INFO] [stderr]     |         ^^^^^ help: consider prefixing with an underscore: `_sched`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/persistant_schedule_storage.rs:122:5
[INFO] [stderr]     |
[INFO] [stderr] 122 |     save("test.json", &schedule);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.14s
[INFO] running `"docker" "inspect" "8a643858355cc9800046ea4979811b2811597412bdb9f5c5cded271b4532f634"`
[INFO] running `"docker" "rm" "-f" "8a643858355cc9800046ea4979811b2811597412bdb9f5c5cded271b4532f634"`
[INFO] [stdout] 8a643858355cc9800046ea4979811b2811597412bdb9f5c5cded271b4532f634