[INFO] cloning repository https://github.com/mathew-horner/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mathew-horner/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathew-horner%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathew-horner%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1de903185528a53592d639993d5cf90ce567d12
[INFO] checking mathew-horner/advent-of-code against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmathew-horner%2Fadvent-of-code" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/mathew-horner/advent-of-code
[INFO] finished tweaking git repo https://github.com/mathew-horner/advent-of-code
[INFO] tweaked toml for git repo https://github.com/mathew-horner/advent-of-code written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mathew-horner/advent-of-code on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mathew-horner/advent-of-code 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rstest v0.18.2
[INFO] [stderr]   Downloaded errno v0.3.7
[INFO] [stderr]   Downloaded rstest_macros v0.18.2
[INFO] [stderr]   Downloaded strum_macros v0.25.3
[INFO] [stderr]   Downloaded relative-path v1.9.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.95
[INFO] [stderr]   Downloaded h2 v0.3.22
[INFO] [stderr]   Downloaded openssl v0.10.59
[INFO] [stderr]   Downloaded rustix v0.38.25
[INFO] [stderr]   Downloaded tokio v1.34.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.4.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0a6002b97ccad04bd2fbab23467f8fbb58cb01bb7681e2a9d8db707bd3d43a05
[INFO] running `Command { std: "docker" "start" "-a" "0a6002b97ccad04bd2fbab23467f8fbb58cb01bb7681e2a9d8db707bd3d43a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a6002b97ccad04bd2fbab23467f8fbb58cb01bb7681e2a9d8db707bd3d43a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6002b97ccad04bd2fbab23467f8fbb58cb01bb7681e2a9d8db707bd3d43a05", kill_on_drop: false }`
[INFO] [stdout] 0a6002b97ccad04bd2fbab23467f8fbb58cb01bb7681e2a9d8db707bd3d43a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6a1d0ba03693f3b11dc8d2ad7e57cc830afc39c568253b4f71ac39145d15e01
[INFO] running `Command { std: "docker" "start" "-a" "b6a1d0ba03693f3b11dc8d2ad7e57cc830afc39c568253b4f71ac39145d15e01", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling futures-core v0.3.29
[INFO] [stderr]     Checking futures-sink v0.3.29
[INFO] [stderr]    Compiling futures-task v0.3.29
[INFO] [stderr]    Compiling futures-channel v0.3.29
[INFO] [stderr]    Compiling futures-util v0.3.29
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking futures-io v0.3.29
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling openssl v0.10.59
[INFO] [stderr]     Checking http v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling relative-path v1.9.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling rstest_macros v0.18.2
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking ipnet v2.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking tokio v1.34.0
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]    Compiling openssl-sys v0.9.95
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/regex-1.11.1/src/lib.rs:1317:34
[INFO] [stdout]      |
[INFO] [stdout] 1317 | #![cfg_attr(feature = "pattern", feature(pattern))]
[INFO] [stdout]      |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b6a1d0ba03693f3b11dc8d2ad7e57cc830afc39c568253b4f71ac39145d15e01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a1d0ba03693f3b11dc8d2ad7e57cc830afc39c568253b4f71ac39145d15e01", kill_on_drop: false }`
[INFO] [stdout] b6a1d0ba03693f3b11dc8d2ad7e57cc830afc39c568253b4f71ac39145d15e01