[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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cwbriones/markov_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cwbriones/markov_rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cwbriones/markov_rs" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cwbriones/markov_rs"` [INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cwbriones/markov_rs on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-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-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/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" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking cwbriones/markov_rs against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-1/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 68ae842dac18676a076b7782926ad291852047e2ec81daea46fb2f0e85a410b8 [INFO] running `"docker" "start" "-a" "68ae842dac18676a076b7782926ad291852047e2ec81daea46fb2f0e85a410b8"` [INFO] [stderr] Compiling libc v0.2.60 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking getrandom v0.1.8 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [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] error[E0599]: no method named `choose` found for type `&mut R` in the current scope [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] = help: items from traits can only be used if the type parameter is bounded by the trait [INFO] [stderr] help: the following traits define an item `choose`, perhaps you need to restrict type parameter `R` with one of them: [INFO] [stderr] | [INFO] [stderr] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0599. [INFO] [stderr] For more information about an 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] error[E0599]: no method named `choose` found for type `&mut R` in the current scope [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] = help: items from traits can only be used if the type parameter is bounded by the trait [INFO] [stderr] help: the following traits define an item `choose`, perhaps you need to restrict type parameter `R` with one of them: [INFO] [stderr] | [INFO] [stderr] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 73 | fn choose_seed(&self, rng: &mut R) -> Vec<&str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0599. [INFO] [stderr] For more information about an 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" "68ae842dac18676a076b7782926ad291852047e2ec81daea46fb2f0e85a410b8"` [INFO] running `"docker" "rm" "-f" "68ae842dac18676a076b7782926ad291852047e2ec81daea46fb2f0e85a410b8"` [INFO] [stdout] 68ae842dac18676a076b7782926ad291852047e2ec81daea46fb2f0e85a410b8