[INFO] cloning repository https://github.com/xleyba/ex016 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xleyba/ex016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxleyba%2Fex016", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxleyba%2Fex016'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 915d2c424edef12b566db6fdccb8cdf43455ea65 [INFO] checking xleyba/ex016 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxleyba%2Fex016" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xleyba/ex016 on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xleyba/ex016 [INFO] finished tweaking git repo https://github.com/xleyba/ex016 [INFO] tweaked toml for git repo https://github.com/xleyba/ex016 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/xleyba/ex016 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc6ef3207dd5af29322c8bc88edefa5ae7ce13752e9267a1912bbc44dcc3df2d [INFO] running `Command { std: "docker" "start" "-a" "dc6ef3207dd5af29322c8bc88edefa5ae7ce13752e9267a1912bbc44dcc3df2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc6ef3207dd5af29322c8bc88edefa5ae7ce13752e9267a1912bbc44dcc3df2d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc6ef3207dd5af29322c8bc88edefa5ae7ce13752e9267a1912bbc44dcc3df2d", kill_on_drop: false }` [INFO] [stdout] dc6ef3207dd5af29322c8bc88edefa5ae7ce13752e9267a1912bbc44dcc3df2d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4991d5f6edf6da83bef9f60ba266f24d6c56646224db37d677a0ac8b944ba0ce [INFO] running `Command { std: "docker" "start" "-a" "4991d5f6edf6da83bef9f60ba266f24d6c56646224db37d677a0ac8b944ba0ce", kill_on_drop: false }` [INFO] [stderr] Checking ex016 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/main.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(self) -> Option<&usize> { [INFO] [stdout] | ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from [INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(self) -> Option<&'static usize> { [INFO] [stdout] | +++++++ [INFO] [stdout] help: instead, you are more likely to want to change the argument to be borrowed... [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(&self) -> Option<&usize> { [INFO] [stdout] | + [INFO] [stdout] help: ...or alternatively, you might want to return an owned value [INFO] [stdout] | [INFO] [stdout] 27 - fn get_last(self) -> Option<&usize> { [INFO] [stdout] 27 + fn get_last(self) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing local data `self.log` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.log.get(self.cur_idx) [INFO] [stdout] | --------^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `self.log` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0515. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stdout] error[E0106]: missing lifetime specifier [INFO] [stdout] --> src/main.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(self) -> Option<&usize> { [INFO] [stdout] | ^ expected named lifetime parameter [INFO] [stdout] | [INFO] [stdout] = help: this function's return type contains a borrowed value, but there is no value for it to be borrowed from [INFO] [stdout] help: consider using the `'static` lifetime, but this is uncommon unless you're returning a borrowed value from a `const` or a `static` [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(self) -> Option<&'static usize> { [INFO] [stdout] | +++++++ [INFO] [stdout] help: instead, you are more likely to want to change the argument to be borrowed... [INFO] [stdout] | [INFO] [stdout] 27 | fn get_last(&self) -> Option<&usize> { [INFO] [stdout] | + [INFO] [stdout] help: ...or alternatively, you might want to return an owned value [INFO] [stdout] | [INFO] [stdout] 27 - fn get_last(self) -> Option<&usize> { [INFO] [stdout] 27 + fn get_last(self) -> Option { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ex016` (bin "ex016") due to 3 previous errors [INFO] [stdout] error[E0515]: cannot return value referencing local data `self.log` [INFO] [stdout] --> src/main.rs:28:9 [INFO] [stdout] | [INFO] [stdout] 28 | self.log.get(self.cur_idx) [INFO] [stdout] | --------^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] | `self.log` is borrowed here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0106, E0515. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0106`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ex016` (bin "ex016" test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "4991d5f6edf6da83bef9f60ba266f24d6c56646224db37d677a0ac8b944ba0ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4991d5f6edf6da83bef9f60ba266f24d6c56646224db37d677a0ac8b944ba0ce", kill_on_drop: false }` [INFO] [stdout] 4991d5f6edf6da83bef9f60ba266f24d6c56646224db37d677a0ac8b944ba0ce [INFO] checking xleyba/ex016 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxleyba%2Fex016" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/xleyba/ex016 on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/xleyba/ex016 [INFO] finished tweaking git repo https://github.com/xleyba/ex016 [INFO] tweaked toml for git repo https://github.com/xleyba/ex016 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/xleyba/ex016 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 10714b65cea07cfbfdaa43108e249cbdbfbefdec9092859fb5d76266ab4a7269 [INFO] running `Command { std: "docker" "start" "-a" "10714b65cea07cfbfdaa43108e249cbdbfbefdec9092859fb5d76266ab4a7269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "10714b65cea07cfbfdaa43108e249cbdbfbefdec9092859fb5d76266ab4a7269", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "10714b65cea07cfbfdaa43108e249cbdbfbefdec9092859fb5d76266ab4a7269", kill_on_drop: false }` [INFO] [stdout] 10714b65cea07cfbfdaa43108e249cbdbfbefdec9092859fb5d76266ab4a7269 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bb8c92a7b5afd8585ec38149c7f68e1d8bb2e9dc55549ec27f965ec0e0a5f01 [INFO] running `Command { std: "docker" "start" "-a" "3bb8c92a7b5afd8585ec38149c7f68e1d8bb2e9dc55549ec27f965ec0e0a5f01", kill_on_drop: false }` [INFO] [stderr] Copying to /tmp/fixit [INFO] [stderr] skipping non-2021 edition `2018` [INFO] running `Command { std: "docker" "inspect" "3bb8c92a7b5afd8585ec38149c7f68e1d8bb2e9dc55549ec27f965ec0e0a5f01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bb8c92a7b5afd8585ec38149c7f68e1d8bb2e9dc55549ec27f965ec0e0a5f01", kill_on_drop: false }` [INFO] [stdout] 3bb8c92a7b5afd8585ec38149c7f68e1d8bb2e9dc55549ec27f965ec0e0a5f01