[INFO] updating cached repository aleksandrpak/rust-talk [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/aleksandrpak/rust-talk [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/aleksandrpak/rust-talk" "work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aleksandrpak/rust-talk"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aleksandrpak/rust-talk'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/aleksandrpak/rust-talk" "work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/aleksandrpak/rust-talk"` [INFO] [stderr] Cloning into 'work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/aleksandrpak/rust-talk'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed25c7d85040ef552d038547bcd9f4d6476184ca [INFO] sha for GitHub repo aleksandrpak/rust-talk: ed25c7d85040ef552d038547bcd9f4d6476184ca [INFO] validating manifest of aleksandrpak/rust-talk on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of aleksandrpak/rust-talk on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing aleksandrpak/rust-talk [INFO] finished frobbing aleksandrpak/rust-talk [INFO] frobbed toml for aleksandrpak/rust-talk written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aleksandrpak/rust-talk/Cargo.toml [INFO] started frobbing aleksandrpak/rust-talk [INFO] finished frobbing aleksandrpak/rust-talk [INFO] frobbed toml for aleksandrpak/rust-talk written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/gh/aleksandrpak/rust-talk/Cargo.toml [INFO] crate aleksandrpak/rust-talk already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] checking aleksandrpak/rust-talk against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-2/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/gh/aleksandrpak/rust-talk:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 7d19dc216f349ee3505169c44abf42fe6aaad6986b394f59df668a7c480b3b66 [INFO] running `"docker" "start" "-a" "7d19dc216f349ee3505169c44abf42fe6aaad6986b394f59df668a7c480b3b66"` [INFO] [stderr] Checking rust-talk v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/mut.rs:22:9 [INFO] [stderr] | [INFO] [stderr] 22 | let mut foo = Foo::new(); [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] error[E0594]: cannot assign to `bar.counter` which is behind a `&` reference [INFO] [stderr] --> examples/mut.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 26 | let mut bar = foo.get_bar(); [INFO] [stderr] | ------- help: consider changing this to be a mutable reference: `&mut Bar` [INFO] [stderr] 27 | bar.counter += 1; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ `bar` is a `&` reference, so the data it refers to cannot be written [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust-talk`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0373]: closure may outlive the current function, but it borrows `foo`, which is owned by the current function [INFO] [stderr] --> examples/mutex.rs:21:19 [INFO] [stderr] | [INFO] [stderr] 21 | thread::spawn(|| { [INFO] [stderr] | ^^ may outlive borrowed value `foo` [INFO] [stderr] 22 | foo.increment(); [INFO] [stderr] | --- `foo` is borrowed here [INFO] [stderr] | [INFO] [stderr] note: function requires argument type to outlive `'static` [INFO] [stderr] --> examples/mutex.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | / thread::spawn(|| { [INFO] [stderr] 22 | | foo.increment(); [INFO] [stderr] 23 | | }); [INFO] [stderr] | |______^ [INFO] [stderr] help: to force the closure to take ownership of `foo` (and any other referenced variables), use the `move` keyword [INFO] [stderr] | [INFO] [stderr] 21 | thread::spawn(move || { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0373`. [INFO] [stderr] error: Could not compile `rust-talk`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0382]: borrow of moved value: `vec` [INFO] [stderr] --> examples/for.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 2 | let mut vec = vec![1, 2, 3]; [INFO] [stderr] | ------- move occurs because `vec` has type `std::vec::Vec`, which does not implement the `Copy` trait [INFO] [stderr] 3 | [INFO] [stderr] 4 | for item in vec { [INFO] [stderr] | --- [INFO] [stderr] | | [INFO] [stderr] | value moved here [INFO] [stderr] | help: consider borrowing to avoid moving into the for loop: `&vec` [INFO] [stderr] ... [INFO] [stderr] 8 | vec[0] = 0; [INFO] [stderr] | ^^^ value borrowed here after move [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0382`. [INFO] [stderr] error: Could not compile `rust-talk`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "7d19dc216f349ee3505169c44abf42fe6aaad6986b394f59df668a7c480b3b66"` [INFO] running `"docker" "rm" "-f" "7d19dc216f349ee3505169c44abf42fe6aaad6986b394f59df668a7c480b3b66"` [INFO] [stdout] 7d19dc216f349ee3505169c44abf42fe6aaad6986b394f59df668a7c480b3b66