[INFO] cloning repository https://github.com/fkohlgrueber/advent-of-code-2018 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkohlgrueber/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2e6b9c5eac7d19706f34b42c813f54695824d84a [INFO] checking fkohlgrueber/advent-of-code-2018 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fadvent-of-code-2018" "/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/fkohlgrueber/advent-of-code-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/fkohlgrueber/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/fkohlgrueber/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/fkohlgrueber/advent-of-code-2018 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/fkohlgrueber/advent-of-code-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 structopt-derive v0.2.13 [INFO] [stderr] Downloaded structopt v0.2.13 [INFO] [stderr] Downloaded heck v0.3.0 [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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3ab30010c7ac19e1e47801f21f29414ec85ac0dfed3a2c83f167473e525b593 [INFO] running `Command { std: "docker" "start" "-a" "d3ab30010c7ac19e1e47801f21f29414ec85ac0dfed3a2c83f167473e525b593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3ab30010c7ac19e1e47801f21f29414ec85ac0dfed3a2c83f167473e525b593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3ab30010c7ac19e1e47801f21f29414ec85ac0dfed3a2c83f167473e525b593", kill_on_drop: false }` [INFO] [stdout] d3ab30010c7ac19e1e47801f21f29414ec85ac0dfed3a2c83f167473e525b593 [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=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] dc83b9fb92ff34c39ccbe5f5983020efc584a77d7a7e2fdf0e4a764765309c49 [INFO] running `Command { std: "docker" "start" "-a" "dc83b9fb92ff34c39ccbe5f5983020efc584a77d7a7e2fdf0e4a764765309c49", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling structopt-derive v0.2.13 [INFO] [stderr] Checking structopt v0.2.13 [INFO] [stderr] Checking advent-of-code-2018 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day16.rs:109:24 [INFO] [stdout] | [INFO] [stdout] 109 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day16.rs:148:24 [INFO] [stdout] | [INFO] [stdout] 148 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/day19.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | s => panic!(format!("invalid opcode: {}", s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 59 - s => panic!(format!("invalid opcode: {}", s)) [INFO] [stdout] 59 + s => panic!("invalid opcode: {}", s) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day19.rs:76:24 [INFO] [stdout] | [INFO] [stdout] 76 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day16.rs:109:24 [INFO] [stdout] | [INFO] [stdout] 109 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day16.rs:148:24 [INFO] [stdout] | [INFO] [stdout] 148 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/day19.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | s => panic!(format!("invalid opcode: {}", s)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 59 - s => panic!(format!("invalid opcode: {}", s)) [INFO] [stdout] 59 + s => panic!("invalid opcode: {}", s) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `re` should have an upper case name [INFO] [stdout] --> src/day19.rs:76:24 [INFO] [stdout] | [INFO] [stdout] 76 | static ref re : Regex = Regex::new( [INFO] [stdout] | ^^ help: convert the identifier to upper case: `RE` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "dc83b9fb92ff34c39ccbe5f5983020efc584a77d7a7e2fdf0e4a764765309c49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc83b9fb92ff34c39ccbe5f5983020efc584a77d7a7e2fdf0e4a764765309c49", kill_on_drop: false }` [INFO] [stdout] dc83b9fb92ff34c39ccbe5f5983020efc584a77d7a7e2fdf0e4a764765309c49 [INFO] checking fkohlgrueber/advent-of-code-2018 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkohlgrueber%2Fadvent-of-code-2018" "/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/fkohlgrueber/advent-of-code-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/fkohlgrueber/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/fkohlgrueber/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/fkohlgrueber/advent-of-code-2018 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/fkohlgrueber/advent-of-code-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] 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d0b0b4278e5c444168857da8929d281c3223cd69b8c125925d8ff08f8aff9e0f [INFO] running `Command { std: "docker" "start" "-a" "d0b0b4278e5c444168857da8929d281c3223cd69b8c125925d8ff08f8aff9e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d0b0b4278e5c444168857da8929d281c3223cd69b8c125925d8ff08f8aff9e0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d0b0b4278e5c444168857da8929d281c3223cd69b8c125925d8ff08f8aff9e0f", kill_on_drop: false }` [INFO] [stdout] d0b0b4278e5c444168857da8929d281c3223cd69b8c125925d8ff08f8aff9e0f [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dcdacc26bb52f9393576fc9f390e8d8d6a8085b8797777e5d26a9f27495dc3c1 [INFO] running `Command { std: "docker" "start" "-a" "dcdacc26bb52f9393576fc9f390e8d8d6a8085b8797777e5d26a9f27495dc3c1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.44 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling unicode-segmentation v1.2.1 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking arrayvec v0.4.8 [INFO] [stderr] Compiling memchr v2.1.1 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Compiling heck v0.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking time v0.1.40 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rayon-core v1.4.1 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking rayon v1.0.3 [INFO] [stderr] Checking chrono v0.4.6 [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] [stderr] Compiling structopt-derive v0.2.13 [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "dcdacc26bb52f9393576fc9f390e8d8d6a8085b8797777e5d26a9f27495dc3c1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcdacc26bb52f9393576fc9f390e8d8d6a8085b8797777e5d26a9f27495dc3c1", kill_on_drop: false }` [INFO] [stdout] dcdacc26bb52f9393576fc9f390e8d8d6a8085b8797777e5d26a9f27495dc3c1