[INFO] cloning repository https://github.com/minorhacks/advent_2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minorhacks/advent_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a205f66bb637b5e6b9a19ab4beaf109976a122c6 [INFO] checking minorhacks/advent_2021 against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminorhacks%2Fadvent_2021" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/minorhacks/advent_2021 on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/minorhacks/advent_2021 [INFO] finished tweaking git repo https://github.com/minorhacks/advent_2021 [INFO] tweaked toml for git repo https://github.com/minorhacks/advent_2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/minorhacks/advent_2021 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" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4f92849c48f44cb2479be244101a92b7b95507971db77c4a309f8d6e23e0b70 [INFO] running `Command { std: "docker" "start" "-a" "e4f92849c48f44cb2479be244101a92b7b95507971db77c4a309f8d6e23e0b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4f92849c48f44cb2479be244101a92b7b95507971db77c4a309f8d6e23e0b70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4f92849c48f44cb2479be244101a92b7b95507971db77c4a309f8d6e23e0b70", kill_on_drop: false }` [INFO] [stdout] e4f92849c48f44cb2479be244101a92b7b95507971db77c4a309f8d6e23e0b70 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60006946c807558dd3df9ef9109ddf37e1ac514f20da9526fb2bf122d1f80f77 [INFO] running `Command { std: "docker" "start" "-a" "60006946c807558dd3df9ef9109ddf37e1ac514f20da9526fb2bf122d1f80f77", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling anyhow v1.0.47 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking array2d v0.2.1 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking table-test v0.2.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking advent_2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0502]: cannot borrow `self.grid` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:67:36 [INFO] [stdout] | [INFO] [stdout] 67 | self.coord_iter().for_each(|(r, c)| self.grid[(r, c)] += 1); [INFO] [stdout] | ---- -------- ^^^^^^^^ --------- second borrow occurs due to use of `self.grid` in closure [INFO] [stdout] | | | | [INFO] [stdout] | | | mutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.grid` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:83:60 [INFO] [stdout] | [INFO] [stdout] 83 | self.coord_iter().filter(|&c| blinked[c]).for_each(|c| { [INFO] [stdout] | ---- -------- ^^^ mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | immutable borrow occurs here immutable borrow later used by call [INFO] [stdout] 84 | self.flashes += 1; [INFO] [stdout] 85 | self.grid[c] = 0 [INFO] [stdout] | --------- second borrow occurs due to use of `self.grid` in closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.flashes` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:83:60 [INFO] [stdout] | [INFO] [stdout] 83 | self.coord_iter().filter(|&c| blinked[c]).for_each(|c| { [INFO] [stdout] | ---- -------- ^^^ mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | immutable borrow occurs here immutable borrow later used by call [INFO] [stdout] 84 | self.flashes += 1; [INFO] [stdout] | ------------ second borrow occurs due to use of `self.flashes` in closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.grid` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:67:36 [INFO] [stdout] | [INFO] [stdout] 67 | self.coord_iter().for_each(|(r, c)| self.grid[(r, c)] += 1); [INFO] [stdout] | ---- -------- ^^^^^^^^ --------- second borrow occurs due to use of `self.grid` in closure [INFO] [stdout] | | | | [INFO] [stdout] | | | mutable borrow occurs here [INFO] [stdout] | | immutable borrow later used by call [INFO] [stdout] | immutable borrow occurs here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.grid` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:83:60 [INFO] [stdout] | [INFO] [stdout] 83 | self.coord_iter().filter(|&c| blinked[c]).for_each(|c| { [INFO] [stdout] | ---- -------- ^^^ mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | immutable borrow occurs here immutable borrow later used by call [INFO] [stdout] 84 | self.flashes += 1; [INFO] [stdout] 85 | self.grid[c] = 0 [INFO] [stdout] | --------- second borrow occurs due to use of `self.grid` in closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0502]: cannot borrow `self.flashes` as mutable because it is also borrowed as immutable [INFO] [stdout] --> src/octopus.rs:83:60 [INFO] [stdout] | [INFO] [stdout] 83 | self.coord_iter().filter(|&c| blinked[c]).for_each(|c| { [INFO] [stdout] | ---- -------- ^^^ mutable borrow occurs here [INFO] [stdout] | | | [INFO] [stdout] | immutable borrow occurs here immutable borrow later used by call [INFO] [stdout] 84 | self.flashes += 1; [INFO] [stdout] | ------------ second borrow occurs due to use of `self.flashes` in closure [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_2021` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0502`. [INFO] [stdout] [INFO] [stderr] error: could not compile `advent_2021` (lib test) due to 4 previous errors [INFO] running `Command { std: "docker" "inspect" "60006946c807558dd3df9ef9109ddf37e1ac514f20da9526fb2bf122d1f80f77", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60006946c807558dd3df9ef9109ddf37e1ac514f20da9526fb2bf122d1f80f77", kill_on_drop: false }` [INFO] [stdout] 60006946c807558dd3df9ef9109ddf37e1ac514f20da9526fb2bf122d1f80f77