[INFO] cloning repository https://github.com/kidpollo/advent-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kidpollo/advent-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f65cb72e4cad311c4da323ddee9278d5c331ea2 [INFO] checking kidpollo/advent-2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kidpollo/advent-2018 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] finished tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] tweaked toml for git repo https://github.com/kidpollo/advent-2018 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/kidpollo/advent-2018 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded time v0.1.41 [INFO] [stderr] Downloaded simple-error v0.1.13 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64b60ee11ab219d2759ccae9029fabe720b28b5d0e4096e05e35b2fed45846ae [INFO] running `Command { std: "docker" "start" "-a" "64b60ee11ab219d2759ccae9029fabe720b28b5d0e4096e05e35b2fed45846ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64b60ee11ab219d2759ccae9029fabe720b28b5d0e4096e05e35b2fed45846ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64b60ee11ab219d2759ccae9029fabe720b28b5d0e4096e05e35b2fed45846ae", kill_on_drop: false }` [INFO] [stdout] 64b60ee11ab219d2759ccae9029fabe720b28b5d0e4096e05e35b2fed45846ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 517bc7226aa657ce22537651ae4b11239242644eee48be5ee2835ca0d2f9e672 [INFO] running `Command { std: "docker" "start" "-a" "517bc7226aa657ce22537651ae4b11239242644eee48be5ee2835ca0d2f9e672", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking simple-error v0.1.13 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `key` [INFO] [stdout] --> src/bin/day2-part1.rs:24:14 [INFO] [stdout] | [INFO] [stdout] 24 | for (key, val) in leters.iter() { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_key` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `year`, `month`, `day`, and `hour` are never read [INFO] [stdout] --> src/bin/day4-part1.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Record { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | year: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | month: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 19 | day: Option, [INFO] [stdout] | ^^^ [INFO] [stdout] 20 | hour: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Record` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.01s [INFO] running `Command { std: "docker" "inspect" "517bc7226aa657ce22537651ae4b11239242644eee48be5ee2835ca0d2f9e672", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "517bc7226aa657ce22537651ae4b11239242644eee48be5ee2835ca0d2f9e672", kill_on_drop: false }` [INFO] [stdout] 517bc7226aa657ce22537651ae4b11239242644eee48be5ee2835ca0d2f9e672 [INFO] checking kidpollo/advent-2018 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkidpollo%2Fadvent-2018" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kidpollo/advent-2018 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] finished tweaking git repo https://github.com/kidpollo/advent-2018 [INFO] tweaked toml for git repo https://github.com/kidpollo/advent-2018 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/kidpollo/advent-2018 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d1216d7a771a0726f88333af5102c16d2be837b6ddd6e2a0c39d301d483f333 [INFO] running `Command { std: "docker" "start" "-a" "5d1216d7a771a0726f88333af5102c16d2be837b6ddd6e2a0c39d301d483f333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d1216d7a771a0726f88333af5102c16d2be837b6ddd6e2a0c39d301d483f333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d1216d7a771a0726f88333af5102c16d2be837b6ddd6e2a0c39d301d483f333", kill_on_drop: false }` [INFO] [stdout] 5d1216d7a771a0726f88333af5102c16d2be837b6ddd6e2a0c39d301d483f333 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebc5c381a0780d39f6dc7de8b1ec06fc8a0fba01ab3071a2808efe36bc8cb20b [INFO] running `Command { std: "docker" "start" "-a" "ebc5c381a0780d39f6dc7de8b1ec06fc8a0fba01ab3071a2808efe36bc8cb20b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking simple-error v0.1.13 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking time v0.1.41 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13 [INFO] [stdout] | [INFO] [stdout] 754 | / match dfa::Fsm::reverse( [INFO] [stdout] 755 | | &self.ro.dfa_reverse, [INFO] [stdout] 756 | | self.cache, [INFO] [stdout] 757 | | false, [INFO] [stdout] ... | [INFO] [stdout] 764 | | Quit => return Some(Quit), [INFO] [stdout] 765 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ebc5c381a0780d39f6dc7de8b1ec06fc8a0fba01ab3071a2808efe36bc8cb20b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebc5c381a0780d39f6dc7de8b1ec06fc8a0fba01ab3071a2808efe36bc8cb20b", kill_on_drop: false }` [INFO] [stdout] ebc5c381a0780d39f6dc7de8b1ec06fc8a0fba01ab3071a2808efe36bc8cb20b