[INFO] updating cached repository https://github.com/jazz-lang/Jazz [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] [stderr] From https://github.com/jazz-lang/Jazz [INFO] [stderr] e51fee0..6daaaf3 master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 6daaaf3c9cd944d1b165293cfcd971ec95414e47 [INFO] checking jazz-lang/Jazz against master#7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 for pr-71873 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjazz-lang%2FJazz" "/workspace/builds/worker-11/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jazz-lang/Jazz on toolchain 7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3 [INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jazz-lang/Jazz [INFO] finished tweaking git repo https://github.com/jazz-lang/Jazz [INFO] tweaked toml for git repo https://github.com/jazz-lang/Jazz written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/jazz-lang/Jazz already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded lasso v0.2.2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+7c59a81a5fcbaaca311f744cd7c68d99bfbb05d3" "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] bb37c2fd2b385e61c24bb4319c21bfd4230bbd09d33e215be6583cff60123cc6 [INFO] running `"docker" "start" "-a" "bb37c2fd2b385e61c24bb4319c21bfd4230bbd09d33e215be6583cff60123cc6"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling hashbrown v0.7.2 [INFO] [stderr] Compiling const-random-macro v0.1.8 [INFO] [stderr] Checking const-random v0.1.8 [INFO] [stderr] Checking ahash v0.3.5 [INFO] [stderr] Checking dashmap v3.11.1 [INFO] [stderr] Checking lasso v0.2.2 [INFO] [stderr] Checking jazzml v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> src/lib.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{thread, sync::Arc}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `lasso::Spur` [INFO] [stderr] --> src/utils.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use lasso::Spur; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/utils.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `thread` [INFO] [stderr] --> src/lib.rs:2:11 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{thread, sync::Arc}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `lasso::Spur` [INFO] [stderr] --> src/utils.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use lasso::Spur; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::rc::Rc` [INFO] [stderr] --> src/utils.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::rc::Rc; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for pattern due to conflicting requirements [INFO] [stderr] --> src/utils.rs:80:24 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 77:5... [INFO] [stderr] --> src/utils.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | / fn next(&mut self) -> Option<&'a mut T> { [INFO] [stderr] 78 | | match self.current { [INFO] [stderr] 79 | | List::Nil => None, [INFO] [stderr] 80 | | List::Cons(val,x) => { [INFO] [stderr] ... | [INFO] [stderr] 84 | | } [INFO] [stderr] 85 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:80:24 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^^^ [INFO] [stderr] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 74:6... [INFO] [stderr] --> src/utils.rs:74:6 [INFO] [stderr] | [INFO] [stderr] 74 | impl<'a,T> std::iter::Iterator for ListIterMut<'a,T> { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/utils.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | Some(val) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] = note: expected `std::option::Option<&'a mut T>` [INFO] [stderr] found `std::option::Option<&mut T>` [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for pattern due to conflicting requirements [INFO] [stderr] --> src/utils.rs:80:24 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 77:5... [INFO] [stderr] --> src/utils.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | / fn next(&mut self) -> Option<&'a mut T> { [INFO] [stderr] 78 | | match self.current { [INFO] [stderr] 79 | | List::Nil => None, [INFO] [stderr] 80 | | List::Cons(val,x) => { [INFO] [stderr] ... | [INFO] [stderr] 84 | | } [INFO] [stderr] 85 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:80:24 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^^^ [INFO] [stderr] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 74:6... [INFO] [stderr] --> src/utils.rs:74:6 [INFO] [stderr] | [INFO] [stderr] 74 | impl<'a,T> std::iter::Iterator for ListIterMut<'a,T> { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that the expression is assignable [INFO] [stderr] --> src/utils.rs:82:17 [INFO] [stderr] | [INFO] [stderr] 82 | Some(val) [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] = note: expected `std::option::Option<&'a mut T>` [INFO] [stderr] found `std::option::Option<&mut T>` [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for pattern due to conflicting requirements [INFO] [stderr] --> src/utils.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 77:5... [INFO] [stderr] --> src/utils.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | / fn next(&mut self) -> Option<&'a mut T> { [INFO] [stderr] 78 | | match self.current { [INFO] [stderr] 79 | | List::Nil => None, [INFO] [stderr] 80 | | List::Cons(val,x) => { [INFO] [stderr] ... | [INFO] [stderr] 84 | | } [INFO] [stderr] 85 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^ [INFO] [stderr] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 74:6... [INFO] [stderr] --> src/utils.rs:74:6 [INFO] [stderr] | [INFO] [stderr] 74 | impl<'a,T> std::iter::Iterator for ListIterMut<'a,T> { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:81:32 [INFO] [stderr] | [INFO] [stderr] 81 | self.current = &mut *x; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0495]: cannot infer an appropriate lifetime for pattern due to conflicting requirements [INFO] [stderr] --> src/utils.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] note: first, the lifetime cannot outlive the anonymous lifetime #1 defined on the method body at 77:5... [INFO] [stderr] --> src/utils.rs:77:5 [INFO] [stderr] | [INFO] [stderr] 77 | / fn next(&mut self) -> Option<&'a mut T> { [INFO] [stderr] 78 | | match self.current { [INFO] [stderr] 79 | | List::Nil => None, [INFO] [stderr] 80 | | List::Cons(val,x) => { [INFO] [stderr] ... | [INFO] [stderr] 84 | | } [INFO] [stderr] 85 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:80:28 [INFO] [stderr] | [INFO] [stderr] 80 | List::Cons(val,x) => { [INFO] [stderr] | ^ [INFO] [stderr] note: but, the lifetime must be valid for the lifetime `'a` as defined on the impl at 74:6... [INFO] [stderr] --> src/utils.rs:74:6 [INFO] [stderr] | [INFO] [stderr] 74 | impl<'a,T> std::iter::Iterator for ListIterMut<'a,T> { [INFO] [stderr] | ^^ [INFO] [stderr] note: ...so that reference does not outlive borrowed content [INFO] [stderr] --> src/utils.rs:81:32 [INFO] [stderr] | [INFO] [stderr] 81 | self.current = &mut *x; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0495`. [INFO] [stderr] error: could not compile `jazzml`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: aborting due to 2 previous errors; 3 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0495`. [INFO] [stderr] error: could not compile `jazzml`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "bb37c2fd2b385e61c24bb4319c21bfd4230bbd09d33e215be6583cff60123cc6"` [INFO] running `"docker" "rm" "-f" "bb37c2fd2b385e61c24bb4319c21bfd4230bbd09d33e215be6583cff60123cc6"` [INFO] [stdout] bb37c2fd2b385e61c24bb4319c21bfd4230bbd09d33e215be6583cff60123cc6