[INFO] cloning repository https://github.com/TheNumberOne/advent-of-code-2019 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheNumberOne/advent-of-code-2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e71b71dc604c2d154389eef4d36e195a07e2425 [INFO] checking TheNumberOne/advent-of-code-2019 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheNumberOne/advent-of-code-2019 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/TheNumberOne/advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/TheNumberOne/advent-of-code-2019 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/TheNumberOne/advent-of-code-2019 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded enum-primitive-derive v0.1.2 [INFO] [stderr] Downloaded num-bigint v0.2.3 [INFO] [stderr] Downloaded gcd v1.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8342b303e181be3b23adcf58d3f1e4e55b1e7820ea9fa7ef8b4b1ad06ab9e2fe [INFO] running `Command { std: "docker" "start" "-a" "8342b303e181be3b23adcf58d3f1e4e55b1e7820ea9fa7ef8b4b1ad06ab9e2fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8342b303e181be3b23adcf58d3f1e4e55b1e7820ea9fa7ef8b4b1ad06ab9e2fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8342b303e181be3b23adcf58d3f1e4e55b1e7820ea9fa7ef8b4b1ad06ab9e2fe", kill_on_drop: false }` [INFO] [stdout] 8342b303e181be3b23adcf58d3f1e4e55b1e7820ea9fa7ef8b4b1ad06ab9e2fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e53c533f9bde881835675ac8ce164e7f84c29bc5286700ec62eef005ec5abc6b [INFO] running `Command { std: "docker" "start" "-a" "e53c533f9bde881835675ac8ce164e7f84c29bc5286700ec62eef005ec5abc6b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking gcd v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking advent-of-code-2019-rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::cmp::max` [INFO] [stdout] --> src/day-10.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::max; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/day-10.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cmp::max` [INFO] [stdout] --> src/day-10.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cmp::max; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> src/day-10.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num_traits::real::Real` [INFO] [stdout] --> src/day-12-1.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_traits::real::Real; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day-7-2.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | self.out_channel.send(output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 104 | let _ = self.out_channel.send(output); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `num_traits::real::Real` [INFO] [stdout] --> src/day-12-1.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use num_traits::real::Real; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/day-7-2.rs:104:9 [INFO] [stdout] | [INFO] [stdout] 104 | self.out_channel.send(output); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 104 | let _ = self.out_channel.send(output); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s [INFO] running `Command { std: "docker" "inspect" "e53c533f9bde881835675ac8ce164e7f84c29bc5286700ec62eef005ec5abc6b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e53c533f9bde881835675ac8ce164e7f84c29bc5286700ec62eef005ec5abc6b", kill_on_drop: false }` [INFO] [stdout] e53c533f9bde881835675ac8ce164e7f84c29bc5286700ec62eef005ec5abc6b [INFO] checking TheNumberOne/advent-of-code-2019 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheNumberOne%2Fadvent-of-code-2019" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/TheNumberOne/advent-of-code-2019 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/TheNumberOne/advent-of-code-2019 [INFO] finished tweaking git repo https://github.com/TheNumberOne/advent-of-code-2019 [INFO] tweaked toml for git repo https://github.com/TheNumberOne/advent-of-code-2019 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/TheNumberOne/advent-of-code-2019 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a1f3daacc8538e69f550647b00a616382ee03cf24751d51858dca9d14996238d [INFO] running `Command { std: "docker" "start" "-a" "a1f3daacc8538e69f550647b00a616382ee03cf24751d51858dca9d14996238d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a1f3daacc8538e69f550647b00a616382ee03cf24751d51858dca9d14996238d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a1f3daacc8538e69f550647b00a616382ee03cf24751d51858dca9d14996238d", kill_on_drop: false }` [INFO] [stdout] a1f3daacc8538e69f550647b00a616382ee03cf24751d51858dca9d14996238d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 725623906d2da7570b20701a70f9e8ab3c347f92d58ecfd135ddaf22240d305b [INFO] running `Command { std: "docker" "start" "-a" "725623906d2da7570b20701a70f9e8ab3c347f92d58ecfd135ddaf22240d305b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling cc v1.0.48 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking gcd v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-bigint v0.2.3 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13 [INFO] [stdout] | [INFO] [stdout] 838 | / match dfa::Fsm::reverse( [INFO] [stdout] 839 | | &self.ro.dfa_reverse, [INFO] [stdout] 840 | | self.cache.value(), [INFO] [stdout] 841 | | false, [INFO] [stdout] ... | [INFO] [stdout] 852 | | Quit => return Some(Quit), [INFO] [stdout] 853 | | }; [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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "725623906d2da7570b20701a70f9e8ab3c347f92d58ecfd135ddaf22240d305b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "725623906d2da7570b20701a70f9e8ab3c347f92d58ecfd135ddaf22240d305b", kill_on_drop: false }` [INFO] [stdout] 725623906d2da7570b20701a70f9e8ab3c347f92d58ecfd135ddaf22240d305b