[INFO] cloning repository https://github.com/tacgomes/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/tacgomes/advent-of-code-2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacgomes%2Fadvent-of-code-2018", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftacgomes%2Fadvent-of-code-2018'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 591e4346f9dd7cecf24bc215e8a06f31404405fb [INFO] checking tacgomes/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%2Ftacgomes%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/tacgomes/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/tacgomes/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/tacgomes/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/tacgomes/advent-of-code-2018 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tacgomes/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 counter v0.5.2 [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] 3cde4f9208a8bd92fd701a67de220e179c44ebeadf67d40f16ec961655e4ab57 [INFO] running `Command { std: "docker" "start" "-a" "3cde4f9208a8bd92fd701a67de220e179c44ebeadf67d40f16ec961655e4ab57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cde4f9208a8bd92fd701a67de220e179c44ebeadf67d40f16ec961655e4ab57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cde4f9208a8bd92fd701a67de220e179c44ebeadf67d40f16ec961655e4ab57", kill_on_drop: false }` [INFO] [stdout] 3cde4f9208a8bd92fd701a67de220e179c44ebeadf67d40f16ec961655e4ab57 [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] 214f032c2f694e65c1b89ddc0caccf266b940f304faa17a8b400d513ec1894fb [INFO] running `Command { std: "docker" "start" "-a" "214f032c2f694e65c1b89ddc0caccf266b940f304faa17a8b400d513ec1894fb", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Checking AoC-2018-day-13 v0.1.0 (/opt/rustwide/workdir/13) [INFO] [stderr] Checking AoC-2018-day-01 v0.1.0 (/opt/rustwide/workdir/01) [INFO] [stderr] Checking AoC-2018-day-18 v0.1.0 (/opt/rustwide/workdir/18) [INFO] [stderr] Checking AoC-2018-day-15 v0.1.0 (/opt/rustwide/workdir/15) [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking AoC-2018-day-06 v0.1.0 (/opt/rustwide/workdir/06) [INFO] [stderr] Checking AoC-2018-day-14 v0.1.0 (/opt/rustwide/workdir/14) [INFO] [stderr] Checking AoC-2018-day-08 v0.1.0 (/opt/rustwide/workdir/08) [INFO] [stderr] Checking AoC-2018-day-12 v0.1.0 (/opt/rustwide/workdir/12) [INFO] [stderr] Checking AoC-2018-day-09 v0.1.0 (/opt/rustwide/workdir/09) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking AoC-2018-day-05 v0.1.0 (/opt/rustwide/workdir/05) [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking AoC-2018-day-02 v0.1.0 (/opt/rustwide/workdir/02) [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking counter v0.5.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking AoC-2018-day-10 v0.1.0 (/opt/rustwide/workdir/10) [INFO] [stderr] Checking AoC-2018-day-07 v0.1.0 (/opt/rustwide/workdir/07) [INFO] [stderr] Checking AoC-2018-day-11 v0.1.0 (/opt/rustwide/workdir/11) [INFO] [stderr] Checking AoC-2018-day-03 v0.1.0 (/opt/rustwide/workdir/03) [INFO] [stderr] Checking AoC-2018-day-16 v0.1.0 (/opt/rustwide/workdir/16) [INFO] [stderr] Checking AoC-2018-day-17 v0.1.0 (/opt/rustwide/workdir/17) [INFO] [stderr] Checking AoC-2018-day-04 v0.1.0 (/opt/rustwide/workdir/04) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.82s [INFO] running `Command { std: "docker" "inspect" "214f032c2f694e65c1b89ddc0caccf266b940f304faa17a8b400d513ec1894fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "214f032c2f694e65c1b89ddc0caccf266b940f304faa17a8b400d513ec1894fb", kill_on_drop: false }` [INFO] [stdout] 214f032c2f694e65c1b89ddc0caccf266b940f304faa17a8b400d513ec1894fb [INFO] checking tacgomes/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%2Ftacgomes%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/tacgomes/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/tacgomes/advent-of-code-2018 [INFO] finished tweaking git repo https://github.com/tacgomes/advent-of-code-2018 [INFO] tweaked toml for git repo https://github.com/tacgomes/advent-of-code-2018 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tacgomes/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] 290a2a9ce75954ddb2da3af78d987eb971e09953ae541cdd13d25e645d30f5ed [INFO] running `Command { std: "docker" "start" "-a" "290a2a9ce75954ddb2da3af78d987eb971e09953ae541cdd13d25e645d30f5ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "290a2a9ce75954ddb2da3af78d987eb971e09953ae541cdd13d25e645d30f5ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "290a2a9ce75954ddb2da3af78d987eb971e09953ae541cdd13d25e645d30f5ed", kill_on_drop: false }` [INFO] [stdout] 290a2a9ce75954ddb2da3af78d987eb971e09953ae541cdd13d25e645d30f5ed [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] 68c1f3331ab065f81055066e437fb6db5cd0961bfa32a84a755ae090dab7b05e [INFO] running `Command { std: "docker" "start" "-a" "68c1f3331ab065f81055066e437fb6db5cd0961bfa32a84a755ae090dab7b05e", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Checking AoC-2018-day-05 v0.1.0 (/opt/rustwide/workdir/05) [INFO] [stderr] Checking AoC-2018-day-15 v0.1.0 (/opt/rustwide/workdir/15) [INFO] [stderr] Checking AoC-2018-day-08 v0.1.0 (/opt/rustwide/workdir/08) [INFO] [stderr] Checking AoC-2018-day-12 v0.1.0 (/opt/rustwide/workdir/12) [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking AoC-2018-day-09 v0.1.0 (/opt/rustwide/workdir/09) [INFO] [stderr] Checking AoC-2018-day-14 v0.1.0 (/opt/rustwide/workdir/14) [INFO] [stderr] Checking AoC-2018-day-06 v0.1.0 (/opt/rustwide/workdir/06) [INFO] [stderr] Checking AoC-2018-day-01 v0.1.0 (/opt/rustwide/workdir/01) [INFO] [stderr] Checking AoC-2018-day-13 v0.1.0 (/opt/rustwide/workdir/13) [INFO] [stderr] Checking AoC-2018-day-18 v0.1.0 (/opt/rustwide/workdir/18) [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking AoC-2018-day-02 v0.1.0 (/opt/rustwide/workdir/02) [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking counter v0.5.2 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.5/src/exec.rs:851:13 [INFO] [stdout] | [INFO] [stdout] 851 | / match dfa::Fsm::reverse( [INFO] [stdout] 852 | | &self.ro.dfa_reverse, [INFO] [stdout] 853 | | self.cache.value(), [INFO] [stdout] 854 | | false, [INFO] [stdout] ... | [INFO] [stdout] 865 | | Quit => return Some(Quit), [INFO] [stdout] 866 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [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 `chrono` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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" "68c1f3331ab065f81055066e437fb6db5cd0961bfa32a84a755ae090dab7b05e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68c1f3331ab065f81055066e437fb6db5cd0961bfa32a84a755ae090dab7b05e", kill_on_drop: false }` [INFO] [stdout] 68c1f3331ab065f81055066e437fb6db5cd0961bfa32a84a755ae090dab7b05e