[INFO] cloning repository https://github.com/marcusball/class-scheduler
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcusball/class-scheduler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusball%2Fclass-scheduler"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusball%2Fclass-scheduler'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ca208e4d32f622db7023a2d8084a2a8c23d8252f
[INFO] checking marcusball/class-scheduler against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcusball%2Fclass-scheduler" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marcusball/class-scheduler on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/marcusball/class-scheduler
[INFO] finished tweaking git repo https://github.com/marcusball/class-scheduler
[INFO] tweaked toml for git repo https://github.com/marcusball/class-scheduler written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/marcusball/class-scheduler already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 0ac290c1c74292f15d4b920c25c7c50f20c21c1aaa80635070e9faeb23d40af7
[INFO] running `"docker" "start" "-a" "0ac290c1c74292f15d4b920c25c7c50f20c21c1aaa80635070e9faeb23d40af7"`
[INFO] [stderr]     Checking serde v1.0.6
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.6
[INFO] [stderr]     Checking toml v0.4.1
[INFO] [stderr]     Checking class-schedule v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]    --> src/main.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 | #[allow(ptr_arg)]
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unknown lint: `ptr_arg`
[INFO] [stderr]    --> src/main.rs:114:9
[INFO] [stderr]     |
[INFO] [stderr] 114 | #[allow(ptr_arg)]
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     lazy_static! {
[INFO] [stderr] 76 | |         static ref RE: Regex = Regex::new("([MTWRF]{1,5})(\\d{1,2})(?:-(\\d{1,2}))?").unwrap();
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     lazy_static! {
[INFO] [stderr] 76 | |         static ref RE: Regex = Regex::new("([MTWRF]{1,5})(\\d{1,2})(?:-(\\d{1,2}))?").unwrap();
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     lazy_static! {
[INFO] [stderr] 76 | |         static ref RE: Regex = Regex::new("([MTWRF]{1,5})(\\d{1,2})(?:-(\\d{1,2}))?").unwrap();
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 75 | /     lazy_static! {
[INFO] [stderr] 76 | |         static ref RE: Regex = Regex::new("([MTWRF]{1,5})(\\d{1,2})(?:-(\\d{1,2}))?").unwrap();
[INFO] [stderr] 77 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.44s
[INFO] running `"docker" "inspect" "0ac290c1c74292f15d4b920c25c7c50f20c21c1aaa80635070e9faeb23d40af7"`
[INFO] running `"docker" "rm" "-f" "0ac290c1c74292f15d4b920c25c7c50f20c21c1aaa80635070e9faeb23d40af7"`
[INFO] [stdout] 0ac290c1c74292f15d4b920c25c7c50f20c21c1aaa80635070e9faeb23d40af7