[INFO] cloning repository https://github.com/chrisballinger/chip_led-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrisballinger/chip_led-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisballinger%2Fchip_led-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisballinger%2Fchip_led-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ece1402d975fce6c8248e608f9fdeb15e81b42f
[INFO] checking chrisballinger/chip_led-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisballinger%2Fchip_led-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisballinger/chip_led-rs 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/chrisballinger/chip_led-rs
[INFO] finished tweaking git repo https://github.com/chrisballinger/chip_led-rs
[INFO] tweaked toml for git repo https://github.com/chrisballinger/chip_led-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisballinger/chip_led-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded chip-gpio v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.0
[INFO] [stderr]   Downloaded sysfs_gpio v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 8cfacaeacf6272de31c6820251caf81b01ec0de5abde33ee54dfe3b628464d7b
[INFO] running `Command { std: "docker" "start" "-a" "8cfacaeacf6272de31c6820251caf81b01ec0de5abde33ee54dfe3b628464d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfacaeacf6272de31c6820251caf81b01ec0de5abde33ee54dfe3b628464d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfacaeacf6272de31c6820251caf81b01ec0de5abde33ee54dfe3b628464d7b", kill_on_drop: false }`
[INFO] [stdout] 8cfacaeacf6272de31c6820251caf81b01ec0de5abde33ee54dfe3b628464d7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b7288f2d7b050dd20efc63df096fbd68e7cff8d0be229f480f0086aa01932ed7
[INFO] running `Command { std: "docker" "start" "-a" "b7288f2d7b050dd20efc63df096fbd68e7cff8d0be229f480f0086aa01932ed7", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking ctrlc v3.1.0
[INFO] [stderr]     Checking sysfs_gpio v0.5.2
[INFO] [stderr]     Checking chip-gpio v0.1.1
[INFO] [stderr]     Checking chip_led v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "b7288f2d7b050dd20efc63df096fbd68e7cff8d0be229f480f0086aa01932ed7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7288f2d7b050dd20efc63df096fbd68e7cff8d0be229f480f0086aa01932ed7", kill_on_drop: false }`
[INFO] [stdout] b7288f2d7b050dd20efc63df096fbd68e7cff8d0be229f480f0086aa01932ed7
[INFO] checking chrisballinger/chip_led-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrisballinger%2Fchip_led-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chrisballinger/chip_led-rs 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/chrisballinger/chip_led-rs
[INFO] finished tweaking git repo https://github.com/chrisballinger/chip_led-rs
[INFO] tweaked toml for git repo https://github.com/chrisballinger/chip_led-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/chrisballinger/chip_led-rs 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5f8ec701c8b10c76f47ed452289c5549bc5f65c0638cd002bc43d9efe3f5564
[INFO] running `Command { std: "docker" "start" "-a" "f5f8ec701c8b10c76f47ed452289c5549bc5f65c0638cd002bc43d9efe3f5564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f8ec701c8b10c76f47ed452289c5549bc5f65c0638cd002bc43d9efe3f5564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f8ec701c8b10c76f47ed452289c5549bc5f65c0638cd002bc43d9efe3f5564", kill_on_drop: false }`
[INFO] [stdout] f5f8ec701c8b10c76f47ed452289c5549bc5f65c0638cd002bc43d9efe3f5564
[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" "-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] 7d60b48d757c4b2e1ab4d53e9b0ec40036ff5dd1f2d4b99f93202a086f12a19f
[INFO] running `Command { std: "docker" "start" "-a" "7d60b48d757c4b2e1ab4d53e9b0ec40036ff5dd1f2d4b99f93202a086f12a19f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bytes-0.4.6/src/bytes.rs:2116:17
[INFO] [stdout]      |
[INFO] [stdout] 2116 |                 panic!(); // TODO: abort
[INFO] [stdout]      |                 ^^^^^^^^ cannot infer type
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[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 `bytes` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7d60b48d757c4b2e1ab4d53e9b0ec40036ff5dd1f2d4b99f93202a086f12a19f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d60b48d757c4b2e1ab4d53e9b0ec40036ff5dd1f2d4b99f93202a086f12a19f", kill_on_drop: false }`
[INFO] [stdout] 7d60b48d757c4b2e1ab4d53e9b0ec40036ff5dd1f2d4b99f93202a086f12a19f