[INFO] cloning repository https://github.com/YesSeri/morse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YesSeri/morse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYesSeri%2Fmorse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYesSeri%2Fmorse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5e4a39d4b4f633508a25f40c413c063807267686
[INFO] checking YesSeri/morse against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYesSeri%2Fmorse" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YesSeri/morse 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/YesSeri/morse
[INFO] finished tweaking git repo https://github.com/YesSeri/morse
[INFO] tweaked toml for git repo https://github.com/YesSeri/morse written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YesSeri/morse 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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22629f50e933d0098cf6f8cddb09278e0c8fc9ab9e2e6ba5083c4250af2138d6
[INFO] running `Command { std: "docker" "start" "-a" "22629f50e933d0098cf6f8cddb09278e0c8fc9ab9e2e6ba5083c4250af2138d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22629f50e933d0098cf6f8cddb09278e0c8fc9ab9e2e6ba5083c4250af2138d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22629f50e933d0098cf6f8cddb09278e0c8fc9ab9e2e6ba5083c4250af2138d6", kill_on_drop: false }`
[INFO] [stdout] 22629f50e933d0098cf6f8cddb09278e0c8fc9ab9e2e6ba5083c4250af2138d6
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed9cd46f7878401e06d44da4bbe4c877971d031f82d7c461a28e0f38d1fa15e7
[INFO] running `Command { std: "docker" "start" "-a" "ed9cd46f7878401e06d44da4bbe4c877971d031f82d7c461a28e0f38d1fa15e7", kill_on_drop: false }`
[INFO] [stderr]     Checking morse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "ed9cd46f7878401e06d44da4bbe4c877971d031f82d7c461a28e0f38d1fa15e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9cd46f7878401e06d44da4bbe4c877971d031f82d7c461a28e0f38d1fa15e7", kill_on_drop: false }`
[INFO] [stdout] ed9cd46f7878401e06d44da4bbe4c877971d031f82d7c461a28e0f38d1fa15e7
[INFO] checking YesSeri/morse against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYesSeri%2Fmorse" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YesSeri/morse on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YesSeri/morse
[INFO] finished tweaking git repo https://github.com/YesSeri/morse
[INFO] tweaked toml for git repo https://github.com/YesSeri/morse written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/YesSeri/morse 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58db663ffeaaf99afda80337639e04019815521d16d36cfcbeae66b93599c6f9
[INFO] running `Command { std: "docker" "start" "-a" "58db663ffeaaf99afda80337639e04019815521d16d36cfcbeae66b93599c6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58db663ffeaaf99afda80337639e04019815521d16d36cfcbeae66b93599c6f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58db663ffeaaf99afda80337639e04019815521d16d36cfcbeae66b93599c6f9", kill_on_drop: false }`
[INFO] [stdout] 58db663ffeaaf99afda80337639e04019815521d16d36cfcbeae66b93599c6f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 831094a2b125c299e26b0b716c73f21c9cf91b6d5cb9f78a04be0ae7f68c0df9
[INFO] running `Command { std: "docker" "start" "-a" "831094a2b125c299e26b0b716c73f21c9cf91b6d5cb9f78a04be0ae7f68c0df9", kill_on_drop: false }`
[INFO] [stderr]     Checking morse v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/morse.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 | /             match &self {
[INFO] [stdout] 145 | |                 MorseSign::Dot => return 0b01,
[INFO] [stdout] 146 | |                 MorseSign::Dash => return 0b11,
[INFO] [stdout] 147 | |                 MorseSign::LetterBreak => return 0b00,
[INFO] [stdout] 148 | |                 MorseSign::WordBreak => return 0b10,
[INFO] [stdout] 149 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morse` (bin "morse") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/morse.rs:144:13
[INFO] [stdout]     |
[INFO] [stdout] 144 | /             match &self {
[INFO] [stdout] 145 | |                 MorseSign::Dot => return 0b01,
[INFO] [stdout] 146 | |                 MorseSign::Dash => return 0b11,
[INFO] [stdout] 147 | |                 MorseSign::LetterBreak => return 0b00,
[INFO] [stdout] 148 | |                 MorseSign::WordBreak => return 0b10,
[INFO] [stdout] 149 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `morse` (bin "morse" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "831094a2b125c299e26b0b716c73f21c9cf91b6d5cb9f78a04be0ae7f68c0df9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "831094a2b125c299e26b0b716c73f21c9cf91b6d5cb9f78a04be0ae7f68c0df9", kill_on_drop: false }`
[INFO] [stdout] 831094a2b125c299e26b0b716c73f21c9cf91b6d5cb9f78a04be0ae7f68c0df9