[INFO] cloning repository https://github.com/Masterchef365/mutautomata
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Masterchef365/mutautomata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fmutautomata", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMasterchef365%2Fmutautomata'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 821c420530bef8618b23901b93a7a762cd391819
[INFO] checking Masterchef365/mutautomata 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%2FMasterchef365%2Fmutautomata" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Masterchef365/mutautomata
[INFO] finished tweaking git repo https://github.com/Masterchef365/mutautomata
[INFO] tweaked toml for git repo https://github.com/Masterchef365/mutautomata written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Masterchef365/mutautomata 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/Masterchef365/mutautomata 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2c1b531379b3904a311587f04db0a5b729f6ace3ed54f33c0cd220153d9658a5
[INFO] running `Command { std: "docker" "start" "-a" "2c1b531379b3904a311587f04db0a5b729f6ace3ed54f33c0cd220153d9658a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c1b531379b3904a311587f04db0a5b729f6ace3ed54f33c0cd220153d9658a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c1b531379b3904a311587f04db0a5b729f6ace3ed54f33c0cd220153d9658a5", kill_on_drop: false }`
[INFO] [stdout] 2c1b531379b3904a311587f04db0a5b729f6ace3ed54f33c0cd220153d9658a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 793a1345c162ca5fb375375d5c1d777fbec7589583b5e3386781eb1d6d6a8112
[INFO] running `Command { std: "docker" "start" "-a" "793a1345c162ca5fb375375d5c1d777fbec7589583b5e3386781eb1d6d6a8112", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking gpu-alloc-types v0.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking gpu-alloc v0.4.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking simba v0.4.0
[INFO] [stderr]     Checking owned_ttf_parser v0.6.0
[INFO] [stderr]     Checking rusttype v0.9.2
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking x11-dl v2.18.5
[INFO] [stderr]     Checking erupt v0.18.0+174
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio-misc v1.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking xcursor v0.3.3
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking ctrlc v3.2.0
[INFO] [stderr]     Checking wayland-commons v0.28.6
[INFO] [stderr]     Checking wayland-cursor v0.28.6
[INFO] [stderr]     Checking nalgebra v0.26.2
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking gpu-alloc-erupt v0.4.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.3
[INFO] [stderr]     Checking watertender v0.1.0 (https://github.com/Masterchef365/watertender.git?branch=idek_tweaks#47e237db)
[INFO] [stderr]     Checking idek v0.1.0 (https://github.com/Masterchef365/idek.git?rev=2124218#2124218c)
[INFO] [stderr]     Checking mutautomata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// Seed, as a string
[INFO] [stdout] 49 | |     #[structopt(short = "y", long)]
[INFO] [stdout] 50 | |     pub str_seed: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mutautomata` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/lib.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 | /     /// Seed, as a string
[INFO] [stdout] 49 | |     #[structopt(short = "y", long)]
[INFO] [stdout] 50 | |     pub str_seed: Option<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mutautomata` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "793a1345c162ca5fb375375d5c1d777fbec7589583b5e3386781eb1d6d6a8112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793a1345c162ca5fb375375d5c1d777fbec7589583b5e3386781eb1d6d6a8112", kill_on_drop: false }`
[INFO] [stdout] 793a1345c162ca5fb375375d5c1d777fbec7589583b5e3386781eb1d6d6a8112