[INFO] cloning repository https://github.com/djmitche/deque [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djmitche/deque" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Fdeque", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Fdeque'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9bc4694d6889503b04eb460adbeef79547a480fe [INFO] testing djmitche/deque against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjmitche%2Fdeque" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/djmitche/deque on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/djmitche/deque [INFO] finished tweaking git repo https://github.com/djmitche/deque [INFO] tweaked toml for git repo https://github.com/djmitche/deque written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/djmitche/deque already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04fc87a74eeee919aca02709534e14e25cd4c014ce8258bc26c6b9513fdbb9e3 [INFO] running `Command { std: "docker" "start" "-a" "04fc87a74eeee919aca02709534e14e25cd4c014ce8258bc26c6b9513fdbb9e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04fc87a74eeee919aca02709534e14e25cd4c014ce8258bc26c6b9513fdbb9e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04fc87a74eeee919aca02709534e14e25cd4c014ce8258bc26c6b9513fdbb9e3", kill_on_drop: false }` [INFO] [stdout] 04fc87a74eeee919aca02709534e14e25cd4c014ce8258bc26c6b9513fdbb9e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c25fc2ab6fe178244cb0c97a12f25aa4c8495be9d107221dcd4e1953fed9e5c6 [INFO] running `Command { std: "docker" "start" "-a" "c25fc2ab6fe178244cb0c97a12f25aa4c8495be9d107221dcd4e1953fed9e5c6", kill_on_drop: false }` [INFO] [stderr] Compiling static-rc v0.4.0 [INFO] [stderr] Compiling deque v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0597]: `head_link` does not live long enough [INFO] [stdout] --> src/lib.rs:103:52 [INFO] [stdout] | [INFO] [stdout] 103 | if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] | ------------------^^^^^^^^^^-------------- [INFO] [stdout] | | | [INFO] [stdout] | | borrowed value does not live long enough [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 125 | } [INFO] [stdout] | - [INFO] [stdout] | | [INFO] [stdout] | `head_link` dropped here while still borrowed [INFO] [stdout] | ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `RefMut<'_, Elt>` [INFO] [stdout] | [INFO] [stdout] = note: the temporary is part of an expression at the end of a block; [INFO] [stdout] consider forcing this temporary to be dropped sooner, before the block's local variables are dropped [INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block [INFO] [stdout] | [INFO] [stdout] 103 ~ let x = if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] 104 | let prev_elt = StaticRc::get_ref(&prev_link); [INFO] [stdout] 105 | debug_assert!(!prev_elt.borrow().next.is_none()); [INFO] [stdout] 106 | let prev_next_link = prev_elt [INFO] [stdout] 107 | .borrow_mut() [INFO] [stdout] 108 | .next [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0505]: cannot move out of `head_link` because it is borrowed [INFO] [stdout] --> src/lib.rs:116:68 [INFO] [stdout] | [INFO] [stdout] 103 | if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] | ------------------------------------------ [INFO] [stdout] | | | [INFO] [stdout] | | borrow of `head_link` occurs here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 116 | let full: FullLink = StaticRc::join(prev_next_link, head_link); [INFO] [stdout] | ^^^^^^^^^ move out of `head_link` occurs here [INFO] [stdout] ... [INFO] [stdout] 125 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `RefMut<'_, Elt>` [INFO] [stdout] | [INFO] [stdout] = note: the temporary is part of an expression at the end of a block; [INFO] [stdout] consider forcing this temporary to be dropped sooner, before the block's local variables are dropped [INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block [INFO] [stdout] | [INFO] [stdout] 103 ~ let x = if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] 104 | let prev_elt = StaticRc::get_ref(&prev_link); [INFO] [stdout] 105 | debug_assert!(!prev_elt.borrow().next.is_none()); [INFO] [stdout] 106 | let prev_next_link = prev_elt [INFO] [stdout] 107 | .borrow_mut() [INFO] [stdout] 108 | .next [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0505]: cannot move out of `head_link` because it is borrowed [INFO] [stdout] --> src/lib.rs:122:30 [INFO] [stdout] | [INFO] [stdout] 103 | if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] | ------------------------------------------ [INFO] [stdout] | | | [INFO] [stdout] | | borrow of `head_link` occurs here [INFO] [stdout] | a temporary with access to the borrow is created here ... [INFO] [stdout] ... [INFO] [stdout] 122 | self.head = Some(head_link); [INFO] [stdout] | ^^^^^^^^^ move out of `head_link` occurs here [INFO] [stdout] ... [INFO] [stdout] 125 | } [INFO] [stdout] | - ... and the borrow might be used here, when that temporary is dropped and runs the destructor for type `RefMut<'_, Elt>` [INFO] [stdout] | [INFO] [stdout] = note: the temporary is part of an expression at the end of a block; [INFO] [stdout] consider forcing this temporary to be dropped sooner, before the block's local variables are dropped [INFO] [stdout] help: for example, you could save the expression's value in a new local variable `x` and then make `x` be the expression at the end of the block [INFO] [stdout] | [INFO] [stdout] 103 ~ let x = if let Some(prev_link) = StaticRc::get_ref(&head_link).borrow_mut().prev.take() { [INFO] [stdout] 104 | let prev_elt = StaticRc::get_ref(&prev_link); [INFO] [stdout] 105 | debug_assert!(!prev_elt.borrow().next.is_none()); [INFO] [stdout] 106 | let prev_next_link = prev_elt [INFO] [stdout] 107 | .borrow_mut() [INFO] [stdout] 108 | .next [INFO] [stdout] ... [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0505, E0597. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0505`. [INFO] [stdout] [INFO] [stderr] error: could not compile `deque` due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "c25fc2ab6fe178244cb0c97a12f25aa4c8495be9d107221dcd4e1953fed9e5c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c25fc2ab6fe178244cb0c97a12f25aa4c8495be9d107221dcd4e1953fed9e5c6", kill_on_drop: false }` [INFO] [stdout] c25fc2ab6fe178244cb0c97a12f25aa4c8495be9d107221dcd4e1953fed9e5c6