[INFO] updating cached repository cwbriones/markov_rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cwbriones/markov_rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/markov_rs" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cwbriones/markov_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cwbriones/markov_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/markov_rs" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cwbriones/markov_rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cwbriones/markov_rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e7ac6d671a0bc6d3862e148db4efc7727f222a15
[INFO] sha for GitHub repo cwbriones/markov_rs: e7ac6d671a0bc6d3862e148db4efc7727f222a15
[INFO] validating manifest of cwbriones/markov_rs on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cwbriones/markov_rs on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cwbriones/markov_rs
[INFO] finished frobbing cwbriones/markov_rs
[INFO] frobbed toml for cwbriones/markov_rs written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cwbriones/markov_rs/Cargo.toml
[INFO] started frobbing cwbriones/markov_rs
[INFO] finished frobbing cwbriones/markov_rs
[INFO] frobbed toml for cwbriones/markov_rs written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cwbriones/markov_rs/Cargo.toml
[INFO] crate cwbriones/markov_rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/cwbriones/markov_rs/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking cwbriones/markov_rs against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-0/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/cwbriones/markov_rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1ab49a73fdbec306c7969c7373d74f788328da6859dc1096e1eb1f321ae3f46e
[INFO] running `"docker" "start" "-a" "1ab49a73fdbec306c7969c7373d74f788328da6859dc1096e1eb1f321ae3f46e"`
[INFO] [stderr]     Checking markov_rust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `rand::Closed01`
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use rand::Closed01;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ no `Closed01` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `rand::Closed01`
[INFO] [stderr]   --> src/main.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |     use rand::Closed01;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ no `Closed01` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
[INFO] [stderr]   --> src/main.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let window = rng.choose(&windows).map(|w| *w).unwrap();
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `markov_rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: use of deprecated item 'rand::Rng::choose': use SliceRandom::choose instead
[INFO] [stderr]   --> src/main.rs:75:26
[INFO] [stderr]    |
[INFO] [stderr] 75 |         let window = rng.choose(&windows).map(|w| *w).unwrap();
[INFO] [stderr]    |                          ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `markov_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1ab49a73fdbec306c7969c7373d74f788328da6859dc1096e1eb1f321ae3f46e"`
[INFO] running `"docker" "rm" "-f" "1ab49a73fdbec306c7969c7373d74f788328da6859dc1096e1eb1f321ae3f46e"`
[INFO] [stdout] 1ab49a73fdbec306c7969c7373d74f788328da6859dc1096e1eb1f321ae3f46e