[INFO] cloning repository https://github.com/Riari/aoc-2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Riari/aoc-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiari%2Faoc-2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiari%2Faoc-2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 183ab24242c4ae20970979f2ee8ac5f87ab2b586
[INFO] checking Riari/aoc-2020 against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiari%2Faoc-2020" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Riari/aoc-2020 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/Riari/aoc-2020
[INFO] finished tweaking git repo https://github.com/Riari/aoc-2020
[INFO] tweaked toml for git repo https://github.com/Riari/aoc-2020 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Riari/aoc-2020 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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0ba66fc43c3fde404f1d06298dcfa0eb2f526b905c6be735947daa7d80717ada
[INFO] running `Command { std: "docker" "start" "-a" "0ba66fc43c3fde404f1d06298dcfa0eb2f526b905c6be735947daa7d80717ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ba66fc43c3fde404f1d06298dcfa0eb2f526b905c6be735947daa7d80717ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba66fc43c3fde404f1d06298dcfa0eb2f526b905c6be735947daa7d80717ada", kill_on_drop: false }`
[INFO] [stdout] 0ba66fc43c3fde404f1d06298dcfa0eb2f526b905c6be735947daa7d80717ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b2b1e5a39c37de1d9a47de174346653fd0f64978f23b10505ff7b7891b365096
[INFO] running `Command { std: "docker" "start" "-a" "b2b1e5a39c37de1d9a47de174346653fd0f64978f23b10505ff7b7891b365096", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking aoc-2020 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:208:30
[INFO] [stdout]     |
[INFO] [stdout] 208 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x <= b.pos.x && a.pos.y <= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:209:30
[INFO] [stdout]     |
[INFO] [stdout] 209 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x <= b.pos.x && a.pos.y >= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x >= b.pos.x && a.pos.y >= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:211:30
[INFO] [stdout]     |
[INFO] [stdout] 211 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x >= b.pos.x && a.pos.y <= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2020` (bin "20" test) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:208:30
[INFO] [stdout]     |
[INFO] [stdout] 208 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x <= b.pos.x && a.pos.y <= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:209:30
[INFO] [stdout]     |
[INFO] [stdout] 209 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x <= b.pos.x && a.pos.y >= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:210:30
[INFO] [stdout]     |
[INFO] [stdout] 210 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x >= b.pos.x && a.pos.y >= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `fold_first` found for struct `std::slice::Iter` in the current scope
[INFO] [stdout]    --> src/bin/20.rs:211:30
[INFO] [stdout]     |
[INFO] [stdout] 211 |     corners.push(grid.iter().fold_first(|a, b| if a.pos.x >= b.pos.x && a.pos.y <= b.pos.y { a } else { b }).unwrap().id);
[INFO] [stdout]     |                              ^^^^^^^^^^ method not found in `Iter<'_, Tile>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc-2020` (bin "20") due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "b2b1e5a39c37de1d9a47de174346653fd0f64978f23b10505ff7b7891b365096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b1e5a39c37de1d9a47de174346653fd0f64978f23b10505ff7b7891b365096", kill_on_drop: false }`
[INFO] [stdout] b2b1e5a39c37de1d9a47de174346653fd0f64978f23b10505ff7b7891b365096
[INFO] checking Riari/aoc-2020 against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRiari%2Faoc-2020" "/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/Riari/aoc-2020 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/Riari/aoc-2020
[INFO] finished tweaking git repo https://github.com/Riari/aoc-2020
[INFO] tweaked toml for git repo https://github.com/Riari/aoc-2020 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Riari/aoc-2020 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7ac0b962e2a9fb681bd90d2f230f3e68ebf7826848f974bdd3282ecd438d0fb
[INFO] running `Command { std: "docker" "start" "-a" "f7ac0b962e2a9fb681bd90d2f230f3e68ebf7826848f974bdd3282ecd438d0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7ac0b962e2a9fb681bd90d2f230f3e68ebf7826848f974bdd3282ecd438d0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7ac0b962e2a9fb681bd90d2f230f3e68ebf7826848f974bdd3282ecd438d0fb", kill_on_drop: false }`
[INFO] [stdout] f7ac0b962e2a9fb681bd90d2f230f3e68ebf7826848f974bdd3282ecd438d0fb
[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=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] b025d03af17063b4d4f88a666f2d9cd326b80133fbd85044d7af272acfaedd65
[INFO] running `Command { std: "docker" "start" "-a" "b025d03af17063b4d4f88a666f2d9cd326b80133fbd85044d7af272acfaedd65", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] skipping non-2021 edition `2018`
[INFO] running `Command { std: "docker" "inspect" "b025d03af17063b4d4f88a666f2d9cd326b80133fbd85044d7af272acfaedd65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b025d03af17063b4d4f88a666f2d9cd326b80133fbd85044d7af272acfaedd65", kill_on_drop: false }`
[INFO] [stdout] b025d03af17063b4d4f88a666f2d9cd326b80133fbd85044d7af272acfaedd65