[INFO] cloning repository https://github.com/yyhhenry/dfa-creator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yyhhenry/dfa-creator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyhhenry%2Fdfa-creator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyyhhenry%2Fdfa-creator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bc2ea7d40239c0be715dbac665275ce33c163e5
[INFO] checking yyhhenry/dfa-creator 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%2Fyyhhenry%2Fdfa-creator" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yyhhenry/dfa-creator
[INFO] finished tweaking git repo https://github.com/yyhhenry/dfa-creator
[INFO] tweaked toml for git repo https://github.com/yyhhenry/dfa-creator written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yyhhenry/dfa-creator 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/yyhhenry/dfa-creator 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e59832f556b1eca8ca27175ebde7fe459a4d5254a26ffe17059d6914e42e04c
[INFO] running `Command { std: "docker" "start" "-a" "5e59832f556b1eca8ca27175ebde7fe459a4d5254a26ffe17059d6914e42e04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e59832f556b1eca8ca27175ebde7fe459a4d5254a26ffe17059d6914e42e04c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e59832f556b1eca8ca27175ebde7fe459a4d5254a26ffe17059d6914e42e04c", kill_on_drop: false }`
[INFO] [stdout] 5e59832f556b1eca8ca27175ebde7fe459a4d5254a26ffe17059d6914e42e04c
[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 -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] b822617d8a50c113809f90fa4bdc69135c780233d2e721cd840a6bc61ac46f97
[INFO] running `Command { std: "docker" "start" "-a" "b822617d8a50c113809f90fa4bdc69135c780233d2e721cd840a6bc61ac46f97", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.92
[INFO] [stderr]    Compiling bumpalo v3.15.4
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling wasm-bindgen v0.2.92
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]    Compiling v_htmlescape v0.15.8
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.92
[INFO] [stderr]    Compiling serde_derive_internals v0.28.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.92
[INFO] [stderr]    Compiling tsify-macros v0.4.5
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.92
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking js-sys v0.3.69
[INFO] [stderr]     Checking web-sys v0.3.69
[INFO] [stderr]     Checking gloo-utils v0.1.7
[INFO] [stderr]     Checking tsify v0.4.5
[INFO] [stderr]     Checking dfa-creator v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<nfa::Nfa, Infallible>
[INFO] [stdout]    --> src/nfa.rs:145:16
[INFO] [stdout]     |
[INFO] [stdout] 145 |         (size, Nfa::try_from(json).unwrap())
[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: std::result::Result<nfa::Nfa, Infallible>
[INFO] [stdout]    --> src/nfa.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         Nfa::try_from(json).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<nfa::Nfa, Infallible>
[INFO] [stdout]    --> src/nfa.rs:145:16
[INFO] [stdout]     |
[INFO] [stdout] 145 |         (size, Nfa::try_from(json).unwrap())
[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: std::result::Result<nfa::Nfa, Infallible>
[INFO] [stdout]    --> src/nfa.rs:152:9
[INFO] [stdout]     |
[INFO] [stdout] 152 |         Nfa::try_from(json).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dfa-creator` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `dfa-creator` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b822617d8a50c113809f90fa4bdc69135c780233d2e721cd840a6bc61ac46f97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b822617d8a50c113809f90fa4bdc69135c780233d2e721cd840a6bc61ac46f97", kill_on_drop: false }`
[INFO] [stdout] b822617d8a50c113809f90fa4bdc69135c780233d2e721cd840a6bc61ac46f97
