[INFO] cloning repository https://github.com/Jezzamonn/advent2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jezzamonn/advent2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezzamonn%2Fadvent2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezzamonn%2Fadvent2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 751593015b0204278749061232d5d4871f446291
[INFO] checking Jezzamonn/advent2021 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezzamonn%2Fadvent2021" "/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/Jezzamonn/advent2021 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/Jezzamonn/advent2021
[INFO] finished tweaking git repo https://github.com/Jezzamonn/advent2021
[INFO] tweaked toml for git repo https://github.com/Jezzamonn/advent2021 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jezzamonn/advent2021 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.3.1
[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] ae8516abb8d7f6afd27d52dcf8fe516d866016d65b72de862fab46301effaff9
[INFO] running `Command { std: "docker" "start" "-a" "ae8516abb8d7f6afd27d52dcf8fe516d866016d65b72de862fab46301effaff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae8516abb8d7f6afd27d52dcf8fe516d866016d65b72de862fab46301effaff9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae8516abb8d7f6afd27d52dcf8fe516d866016d65b72de862fab46301effaff9", kill_on_drop: false }`
[INFO] [stdout] ae8516abb8d7f6afd27d52dcf8fe516d866016d65b72de862fab46301effaff9
[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] b20083dc59f60aa0feb00b01d83a026f64c8408f6719f85f10c892a966f1e7e7
[INFO] running `Command { std: "docker" "start" "-a" "b20083dc59f60aa0feb00b01d83a026f64c8408f6719f85f10c892a966f1e7e7", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling priority-queue v1.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking advent2021_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]     Checking advent2021_5 v0.1.0 (/opt/rustwide/workdir/5)
[INFO] [stderr]     Checking advent2021_7 v0.1.0 (/opt/rustwide/workdir/7)
[INFO] [stderr]     Checking advent2021_9 v0.1.0 (/opt/rustwide/workdir/9)
[INFO] [stderr]     Checking advent2021_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking advent2021_6 v0.1.0 (/opt/rustwide/workdir/6)
[INFO] [stderr]     Checking advent2021_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]     Checking advent2021_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]     Checking advent2021_8 v0.1.0 (/opt/rustwide/workdir/8)
[INFO] [stderr]     Checking advent2021_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking advent2021_13 v0.1.0 (/opt/rustwide/workdir/13)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "b20083dc59f60aa0feb00b01d83a026f64c8408f6719f85f10c892a966f1e7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b20083dc59f60aa0feb00b01d83a026f64c8408f6719f85f10c892a966f1e7e7", kill_on_drop: false }`
[INFO] [stdout] b20083dc59f60aa0feb00b01d83a026f64c8408f6719f85f10c892a966f1e7e7
[INFO] checking Jezzamonn/advent2021 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJezzamonn%2Fadvent2021" "/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/Jezzamonn/advent2021 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/Jezzamonn/advent2021
[INFO] finished tweaking git repo https://github.com/Jezzamonn/advent2021
[INFO] tweaked toml for git repo https://github.com/Jezzamonn/advent2021 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jezzamonn/advent2021 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] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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] d3dc846d5d7758472eb3f1c9f1883465d2207f13805669f66197efdd3cd359e5
[INFO] running `Command { std: "docker" "start" "-a" "d3dc846d5d7758472eb3f1c9f1883465d2207f13805669f66197efdd3cd359e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3dc846d5d7758472eb3f1c9f1883465d2207f13805669f66197efdd3cd359e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3dc846d5d7758472eb3f1c9f1883465d2207f13805669f66197efdd3cd359e5", kill_on_drop: false }`
[INFO] [stdout] d3dc846d5d7758472eb3f1c9f1883465d2207f13805669f66197efdd3cd359e5
[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] 806b8f1eaac1831329940e44d3ee6667ae578c9f1c6cadbb8bd8e75fa4b87751
[INFO] running `Command { std: "docker" "start" "-a" "806b8f1eaac1831329940e44d3ee6667ae578c9f1c6cadbb8bd8e75fa4b87751", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling priority-queue v1.3.1
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking advent2021_7 v0.1.0 (/opt/rustwide/workdir/7)
[INFO] [stderr]     Checking advent2021_9 v0.1.0 (/opt/rustwide/workdir/9)
[INFO] [stderr]     Checking advent2021_10 v0.1.0 (/opt/rustwide/workdir/10)
[INFO] [stderr]     Checking advent2021_6 v0.1.0 (/opt/rustwide/workdir/6)
[INFO] [stderr]     Checking advent2021_11 v0.1.0 (/opt/rustwide/workdir/11)
[INFO] [stderr]     Checking advent2021_5 v0.1.0 (/opt/rustwide/workdir/5)
[INFO] [stderr]     Checking advent2021_12 v0.1.0 (/opt/rustwide/workdir/12)
[INFO] [stderr]     Checking advent2021_14 v0.1.0 (/opt/rustwide/workdir/14)
[INFO] [stderr]     Checking advent2021_8 v0.1.0 (/opt/rustwide/workdir/8)
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking advent2021_15 v0.1.0 (/opt/rustwide/workdir/15)
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.1/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[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" "806b8f1eaac1831329940e44d3ee6667ae578c9f1c6cadbb8bd8e75fa4b87751", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806b8f1eaac1831329940e44d3ee6667ae578c9f1c6cadbb8bd8e75fa4b87751", kill_on_drop: false }`
[INFO] [stdout] 806b8f1eaac1831329940e44d3ee6667ae578c9f1c6cadbb8bd8e75fa4b87751