[INFO] cloning repository https://github.com/jacobclevenger/macos-theme-toggler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jacobclevenger/macos-theme-toggler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobclevenger%2Fmacos-theme-toggler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobclevenger%2Fmacos-theme-toggler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d213ea20276ca886845f9199e07d6f5dad43a60
[INFO] checking jacobclevenger/macos-theme-toggler against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobclevenger%2Fmacos-theme-toggler" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobclevenger/macos-theme-toggler 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/jacobclevenger/macos-theme-toggler
[INFO] finished tweaking git repo https://github.com/jacobclevenger/macos-theme-toggler
[INFO] tweaked toml for git repo https://github.com/jacobclevenger/macos-theme-toggler written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobclevenger/macos-theme-toggler 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 sun-times v0.1.2
[INFO] [stderr]   Downloaded config v0.9.2
[INFO] [stderr]   Downloaded serde_json v1.0.38
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded serde v1.0.88
[INFO] [stderr]   Downloaded nom v4.2.0
[INFO] [stderr]   Downloaded serde-hjson v0.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a195ca1cd16672970353e391988a9beab153b0333f7d388eb963f844efc51ac1
[INFO] running `Command { std: "docker" "start" "-a" "a195ca1cd16672970353e391988a9beab153b0333f7d388eb963f844efc51ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a195ca1cd16672970353e391988a9beab153b0333f7d388eb963f844efc51ac1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a195ca1cd16672970353e391988a9beab153b0333f7d388eb963f844efc51ac1", kill_on_drop: false }`
[INFO] [stdout] a195ca1cd16672970353e391988a9beab153b0333f7d388eb963f844efc51ac1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4881a73ead5968e971a09e714dc75ab72efc6fb0080cb3dd9d812729330b3673
[INFO] running `Command { std: "docker" "start" "-a" "4881a73ead5968e971a09e714dc75ab72efc6fb0080cb3dd9d812729330b3673", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking sun-times v0.1.2
[INFO] [stderr]     Checking serde-hjson v0.8.2
[INFO] [stderr]     Checking serde_json v1.0.38
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking config v0.9.2
[INFO] [stderr]     Checking macos_theme_toggler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4881a73ead5968e971a09e714dc75ab72efc6fb0080cb3dd9d812729330b3673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4881a73ead5968e971a09e714dc75ab72efc6fb0080cb3dd9d812729330b3673", kill_on_drop: false }`
[INFO] [stdout] 4881a73ead5968e971a09e714dc75ab72efc6fb0080cb3dd9d812729330b3673
[INFO] checking jacobclevenger/macos-theme-toggler against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjacobclevenger%2Fmacos-theme-toggler" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jacobclevenger/macos-theme-toggler 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/jacobclevenger/macos-theme-toggler
[INFO] finished tweaking git repo https://github.com/jacobclevenger/macos-theme-toggler
[INFO] tweaked toml for git repo https://github.com/jacobclevenger/macos-theme-toggler written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jacobclevenger/macos-theme-toggler 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 618814bfbac5c204280fc9b86ddb53f36f5c2a05fa32fc160f841651e7b9b463
[INFO] running `Command { std: "docker" "start" "-a" "618814bfbac5c204280fc9b86ddb53f36f5c2a05fa32fc160f841651e7b9b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "618814bfbac5c204280fc9b86ddb53f36f5c2a05fa32fc160f841651e7b9b463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "618814bfbac5c204280fc9b86ddb53f36f5c2a05fa32fc160f841651e7b9b463", kill_on_drop: false }`
[INFO] [stdout] 618814bfbac5c204280fc9b86ddb53f36f5c2a05fa32fc160f841651e7b9b463
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 85229f74320b35267d40bc263d17cb9e6e4e40d062ba92d82fdc6d12cd92e3aa
[INFO] running `Command { std: "docker" "start" "-a" "85229f74320b35267d40bc263d17cb9e6e4e40d062ba92d82fdc6d12cd92e3aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling serde v1.0.88
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking sun-times v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.0/src/exec.rs:754:13
[INFO] [stdout]     |
[INFO] [stdout] 754 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 755 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 756 | |                 self.cache,
[INFO] [stdout] 757 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 764 | |                 Quit => return Some(Quit),
[INFO] [stdout] 765 | |             };
[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 `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "85229f74320b35267d40bc263d17cb9e6e4e40d062ba92d82fdc6d12cd92e3aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85229f74320b35267d40bc263d17cb9e6e4e40d062ba92d82fdc6d12cd92e3aa", kill_on_drop: false }`
[INFO] [stdout] 85229f74320b35267d40bc263d17cb9e6e4e40d062ba92d82fdc6d12cd92e3aa