[INFO] updating cached repository erikwijmans/CSE552
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/erikwijmans/CSE552
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/erikwijmans/CSE552" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/erikwijmans/CSE552"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/erikwijmans/CSE552'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/erikwijmans/CSE552" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/erikwijmans/CSE552"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/erikwijmans/CSE552'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 78f85dad174c0c2821f40c36da26288903558332
[INFO] sha for GitHub repo erikwijmans/CSE552: 78f85dad174c0c2821f40c36da26288903558332
[INFO] validating manifest of erikwijmans/CSE552 on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of erikwijmans/CSE552 on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing erikwijmans/CSE552
[INFO] removed path dependency scheduler from erikwijmans/CSE552
[INFO] finished frobbing erikwijmans/CSE552
[INFO] frobbed toml for erikwijmans/CSE552 written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/erikwijmans/CSE552/Cargo.toml
[INFO] started frobbing erikwijmans/CSE552
[INFO] removed path dependency scheduler from erikwijmans/CSE552
[INFO] finished frobbing erikwijmans/CSE552
[INFO] frobbed toml for erikwijmans/CSE552 written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/erikwijmans/CSE552/Cargo.toml
[INFO] crate erikwijmans/CSE552 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/erikwijmans/CSE552/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking erikwijmans/CSE552 against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/erikwijmans/CSE552:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] fdb55a77f6734ada5d6c2fd11ccdc8ee92e6c6f5c4c6ca81bd6cff620f3a63ba
[INFO] running `"docker" "start" "-a" "fdb55a77f6734ada5d6c2fd11ccdc8ee92e6c6f5c4c6ca81bd6cff620f3a63ba"`
[INFO] [stderr] warning: dependency (scheduler) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]     Checking scheduler v0.1.3
[INFO] [stderr]     Checking lab_2 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `scheduler::Policy` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/main.rs:82:43
[INFO] [stderr]    |
[INFO] [stderr] 82 |     _ => panic!("Unknown scheduler {:?}", scheduler),
[INFO] [stderr]    |                                           ^^^^^^^^^ `scheduler::Policy` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `scheduler::Policy`
[INFO] [stderr]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `()` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:87:74
[INFO] [stderr]    |
[INFO] [stderr] 87 |     Err(code) => panic!("Got error code {} while setting the scheduler", code),
[INFO] [stderr]    |                                                                          ^^^^ `()` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `()`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]    = note: required by `std::fmt::Display::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `scheduler::Policy` doesn't implement `std::fmt::Debug`
[INFO] [stderr]   --> src/main.rs:82:43
[INFO] [stderr]    |
[INFO] [stderr] 82 |     _ => panic!("Unknown scheduler {:?}", scheduler),
[INFO] [stderr]    |                                           ^^^^^^^^^ `scheduler::Policy` cannot be formatted using `{:?}` because it doesn't implement `std::fmt::Debug`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Debug` is not implemented for `scheduler::Policy`
[INFO] [stderr]    = note: required by `std::fmt::Debug::fmt`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `()` doesn't implement `std::fmt::Display`
[INFO] [stderr]   --> src/main.rs:87:74
[INFO] [stderr]    |
[INFO] [stderr] 87 |     Err(code) => panic!("Got error code {} while setting the scheduler", code),
[INFO] [stderr]    |                                                                          ^^^^ `()` cannot be formatted with the default formatter
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::fmt::Display` is not implemented for `()`
[INFO] [stderr]    = note: in format strings you may be able to use `{:?}` (or {:#?} for pretty-print) instead
[INFO] [stderr]    = note: required by `std::fmt::Display::fmt`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: Could not compile `lab_2`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `lab_2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fdb55a77f6734ada5d6c2fd11ccdc8ee92e6c6f5c4c6ca81bd6cff620f3a63ba"`
[INFO] running `"docker" "rm" "-f" "fdb55a77f6734ada5d6c2fd11ccdc8ee92e6c6f5c4c6ca81bd6cff620f3a63ba"`
[INFO] [stdout] fdb55a77f6734ada5d6c2fd11ccdc8ee92e6c6f5c4c6ca81bd6cff620f3a63ba