[INFO] cloning repository https://github.com/dphilipson/advent-of-code-2023
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dphilipson/advent-of-code-2023" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdphilipson%2Fadvent-of-code-2023", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdphilipson%2Fadvent-of-code-2023'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89f29ad62dc9e0120c6431c376db19ee3f4eaec5
[INFO] checking dphilipson/advent-of-code-2023 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdphilipson%2Fadvent-of-code-2023" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dphilipson/advent-of-code-2023
[INFO] finished tweaking git repo https://github.com/dphilipson/advent-of-code-2023
[INFO] tweaked toml for git repo https://github.com/dphilipson/advent-of-code-2023 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dphilipson/advent-of-code-2023 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dphilipson/advent-of-code-2023 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0177b107d28153e1b83a60a22f82e1ef2f6290f042717936d816c7bd7eaa5932
[INFO] running `Command { std: "docker" "start" "-a" "0177b107d28153e1b83a60a22f82e1ef2f6290f042717936d816c7bd7eaa5932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0177b107d28153e1b83a60a22f82e1ef2f6290f042717936d816c7bd7eaa5932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0177b107d28153e1b83a60a22f82e1ef2f6290f042717936d816c7bd7eaa5932", kill_on_drop: false }`
[INFO] [stdout] 0177b107d28153e1b83a60a22f82e1ef2f6290f042717936d816c7bd7eaa5932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4a23c75793372d2e5bd3b658d6d41f34ccef0649a15dcf9d5ed35dfe47bc7ba
[INFO] running `Command { std: "docker" "start" "-a" "f4a23c75793372d2e5bd3b658d6d41f34ccef0649a15dcf9d5ed35dfe47bc7ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking advent-of-code-2023 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Str<'_>, Infallible>
[INFO] [stdout]   --> src/util/re.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |       fn from_str(s: &'a str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 64 | |         Ok(Self(s))
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Str<'_>, Infallible>
[INFO] [stdout]   --> src/util/re.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Ok(Self(s))
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2023` (bin "advent-of-code-2023") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<re::Str<'_>, Infallible>
[INFO] [stdout]   --> src/util/re.rs:63:56
[INFO] [stdout]    |
[INFO] [stdout] 63 |       fn from_str(s: &'a str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ________________________________________________________^
[INFO] [stdout] 64 | |         Ok(Self(s))
[INFO] [stdout] 65 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<re::Str<'_>, Infallible>
[INFO] [stdout]   --> src/util/re.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |         Ok(Self(s))
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-of-code-2023` (bin "advent-of-code-2023" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4a23c75793372d2e5bd3b658d6d41f34ccef0649a15dcf9d5ed35dfe47bc7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4a23c75793372d2e5bd3b658d6d41f34ccef0649a15dcf9d5ed35dfe47bc7ba", kill_on_drop: false }`
[INFO] [stdout] f4a23c75793372d2e5bd3b658d6d41f34ccef0649a15dcf9d5ed35dfe47bc7ba
