[INFO] cloning repository https://github.com/fumieval/push2-lightshow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fumieval/push2-lightshow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumieval%2Fpush2-lightshow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumieval%2Fpush2-lightshow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63060e6ce437a2ad282aa3563a28dc53e874342e
[INFO] checking fumieval/push2-lightshow against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffumieval%2Fpush2-lightshow" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fumieval/push2-lightshow on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fumieval/push2-lightshow
[INFO] finished tweaking git repo https://github.com/fumieval/push2-lightshow
[INFO] tweaked toml for git repo https://github.com/fumieval/push2-lightshow written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fumieval/push2-lightshow 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/mbracher/push2_display`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.8.15
[INFO] [stderr]   Downloaded dtoa v0.4.7
[INFO] [stderr]   Downloaded serde_derive v1.0.119
[INFO] [stderr]   Downloaded serde v1.0.119
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded thread_local v1.1.0
[INFO] [stderr]   Downloaded regex v1.4.3
[INFO] [stderr]   Downloaded syn v1.0.58
[INFO] [stderr]   Downloaded alsa v0.4.3
[INFO] [stderr]   Downloaded midly v0.5.1
[INFO] [stderr]   Downloaded micromath v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.82
[INFO] [stderr]   Downloaded rusb v0.6.5
[INFO] [stderr]   Downloaded core-foundation v0.2.3
[INFO] [stderr]   Downloaded core-foundation-sys v0.2.3
[INFO] [stderr]   Downloaded coremidi-sys v2.0.2
[INFO] [stderr]   Downloaded coremidi v0.4.0
[INFO] [stderr]   Downloaded log v0.4.13
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded midir v0.7.0
[INFO] [stderr]   Downloaded const_fn v0.4.5
[INFO] [stderr]   Downloaded siphasher v0.3.3
[INFO] [stderr]   Downloaded byteorder v1.4.2
[INFO] [stderr]   Downloaded libflate_lz77 v1.0.0
[INFO] [stderr]   Downloaded rle-decode-fast v1.0.1
[INFO] [stderr]   Downloaded libflate v1.0.3
[INFO] [stderr]   Downloaded filetime v0.2.13
[INFO] [stderr]   Downloaded xattr v0.2.2
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded thiserror-impl v1.0.23
[INFO] [stderr]   Downloaded thiserror v1.0.23
[INFO] [stderr]   Downloaded regex-syntax v0.6.22
[INFO] [stderr]   Downloaded memalloc v0.1.0
[INFO] [stderr]   Downloaded winrt_gen_macros v0.7.2
[INFO] [stderr]   Downloaded winrt_macros v0.7.2
[INFO] [stderr]   Downloaded winrt v0.7.2
[INFO] [stderr]   Downloaded embedded-graphics-core v0.1.1
[INFO] [stderr]   Downloaded winrt_gen v0.7.2
[INFO] [stderr]   Downloaded libusb1-sys v0.4.4
[INFO] [stderr]   Downloaded embedded-graphics v0.7.0-alpha.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7cd6f96bd000fc513d751391f9d995f0d4199ab8176cd2a843469afdf3978a2
[INFO] running `Command { std: "docker" "start" "-a" "b7cd6f96bd000fc513d751391f9d995f0d4199ab8176cd2a843469afdf3978a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7cd6f96bd000fc513d751391f9d995f0d4199ab8176cd2a843469afdf3978a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7cd6f96bd000fc513d751391f9d995f0d4199ab8176cd2a843469afdf3978a2", kill_on_drop: false }`
[INFO] [stdout] b7cd6f96bd000fc513d751391f9d995f0d4199ab8176cd2a843469afdf3978a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b86d154b34ec81da7f9af4b05a8976278b72eda971f0ea2b830c97b337134e2
[INFO] running `Command { std: "docker" "start" "-a" "9b86d154b34ec81da7f9af4b05a8976278b72eda971f0ea2b830c97b337134e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling libflate v1.0.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking embedded-graphics-core v0.1.1
[INFO] [stderr]     Checking micromath v1.1.0
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking embedded-graphics v0.7.0-alpha.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling libusb1-sys v0.4.4
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling palette v0.5.0
[INFO] [stderr]     Checking rusb v0.6.5
[INFO] [stderr]     Checking midly v0.5.1
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling winrt_gen_macros v0.7.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling palette_derive v0.5.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking push2_display v1.0.0-alpha.1 (https://github.com/mbracher/push2_display#b6a69b2c)
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]    Compiling winrt_gen v0.7.2
[INFO] [stderr]    Compiling winrt_macros v0.7.2
[INFO] [stderr]     Checking winrt v0.7.2
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking push2-lightshow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::vec::Vec;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Vec` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.45s
[INFO] running `Command { std: "docker" "inspect" "9b86d154b34ec81da7f9af4b05a8976278b72eda971f0ea2b830c97b337134e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b86d154b34ec81da7f9af4b05a8976278b72eda971f0ea2b830c97b337134e2", kill_on_drop: false }`
[INFO] [stdout] 9b86d154b34ec81da7f9af4b05a8976278b72eda971f0ea2b830c97b337134e2