[INFO] cloning repository https://github.com/Zerthox/finite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zerthox/finite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZerthox%2Ffinite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZerthox%2Ffinite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa3b738716c462ac11daa4fad9bf4c2140649c69
[INFO] checking Zerthox/finite/aa3b738716c462ac11daa4fad9bf4c2140649c69 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZerthox%2Ffinite" "/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/Zerthox/finite on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zerthox/finite
[INFO] finished tweaking git repo https://github.com/Zerthox/finite
[INFO] tweaked toml for git repo https://github.com/Zerthox/finite written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Zerthox/finite 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.13
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1fcadcc00de94f35f92a78f0f7e50ce172d18af055be394b914efcc4268b88ed
[INFO] running `Command { std: "docker" "start" "-a" "1fcadcc00de94f35f92a78f0f7e50ce172d18af055be394b914efcc4268b88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fcadcc00de94f35f92a78f0f7e50ce172d18af055be394b914efcc4268b88ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fcadcc00de94f35f92a78f0f7e50ce172d18af055be394b914efcc4268b88ed", kill_on_drop: false }`
[INFO] [stdout] 1fcadcc00de94f35f92a78f0f7e50ce172d18af055be394b914efcc4268b88ed
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26b039051258a1ba17fa492109f70b90c2cf318f7a3b669ad20bc69cc18474c8
[INFO] running `Command { std: "docker" "start" "-a" "26b039051258a1ba17fa492109f70b90c2cf318f7a3b669ad20bc69cc18474c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]     Checking finite v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message contains braces
[INFO] [stdout]    --> src/nfa.rs:271:36
[INFO] [stdout]     |
[INFO] [stdout] 271 |             "Converted DFA is missing state {0, 1}"
[INFO] [stdout]     |                                             ^    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this message is not used as a format string, but will be in Rust 2021
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to use the message literally
[INFO] [stdout]     |
[INFO] [stdout] 271 |             "{}", "Converted DFA is missing state {0, 1}"
[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 9.23s
[INFO] running `Command { std: "docker" "inspect" "26b039051258a1ba17fa492109f70b90c2cf318f7a3b669ad20bc69cc18474c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b039051258a1ba17fa492109f70b90c2cf318f7a3b669ad20bc69cc18474c8", kill_on_drop: false }`
[INFO] [stdout] 26b039051258a1ba17fa492109f70b90c2cf318f7a3b669ad20bc69cc18474c8