[INFO] cloning repository https://github.com/jost-s/totpc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jost-s/totpc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjost-s%2Ftotpc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjost-s%2Ftotpc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fa9ca7587d4433a3e1478ea079e6458f364ddae7
[INFO] checking jost-s/totpc against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjost-s%2Ftotpc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jost-s/totpc 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/jost-s/totpc
[INFO] finished tweaking git repo https://github.com/jost-s/totpc
[INFO] tweaked toml for git repo https://github.com/jost-s/totpc written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/jost-s/totpc 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 predicates v2.1.5
[INFO] [stderr]   Downloaded predicates v3.0.3
[INFO] [stderr]   Downloaded assert_cmd v2.0.11
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded bstr v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cdf64bed6eb159812dc7bfd1c31f65af04ce828fe06e077db6088440343d311f
[INFO] running `Command { std: "docker" "start" "-a" "cdf64bed6eb159812dc7bfd1c31f65af04ce828fe06e077db6088440343d311f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf64bed6eb159812dc7bfd1c31f65af04ce828fe06e077db6088440343d311f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf64bed6eb159812dc7bfd1c31f65af04ce828fe06e077db6088440343d311f", kill_on_drop: false }`
[INFO] [stdout] cdf64bed6eb159812dc7bfd1c31f65af04ce828fe06e077db6088440343d311f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aa0532df4079722673f3526704eaffeb0905b84da9b0b86ede860e884fdf3ef9
[INFO] running `Command { std: "docker" "start" "-a" "aa0532df4079722673f3526704eaffeb0905b84da9b0b86ede860e884fdf3ef9", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking totpc v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking predicates v2.1.5
[INFO] [stderr]     Checking tempfile v3.5.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "aa0532df4079722673f3526704eaffeb0905b84da9b0b86ede860e884fdf3ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0532df4079722673f3526704eaffeb0905b84da9b0b86ede860e884fdf3ef9", kill_on_drop: false }`
[INFO] [stdout] aa0532df4079722673f3526704eaffeb0905b84da9b0b86ede860e884fdf3ef9
[INFO] checking jost-s/totpc against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjost-s%2Ftotpc" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jost-s/totpc 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/jost-s/totpc
[INFO] finished tweaking git repo https://github.com/jost-s/totpc
[INFO] tweaked toml for git repo https://github.com/jost-s/totpc written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jost-s/totpc 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c4492b71a5f7a09174c4f0af1c88da84c5ba7722dafc64ab46d7198afbe9616f
[INFO] running `Command { std: "docker" "start" "-a" "c4492b71a5f7a09174c4f0af1c88da84c5ba7722dafc64ab46d7198afbe9616f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4492b71a5f7a09174c4f0af1c88da84c5ba7722dafc64ab46d7198afbe9616f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4492b71a5f7a09174c4f0af1c88da84c5ba7722dafc64ab46d7198afbe9616f", kill_on_drop: false }`
[INFO] [stdout] c4492b71a5f7a09174c4f0af1c88da84c5ba7722dafc64ab46d7198afbe9616f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 79d9f47fd4f8776a6f9c32427c63c7d24d4f8cae0273b9c830f607ab8595c897
[INFO] running `Command { std: "docker" "start" "-a" "79d9f47fd4f8776a6f9c32427c63c7d24d4f8cae0273b9c830f607ab8595c897", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling libc v0.2.144
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking cpufeatures v0.2.7
[INFO] [stderr]    Compiling rustix v0.37.19
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking base32 v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.7.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking anstyle v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking linux-raw-sys v0.3.7
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.0.1
[INFO] [stderr]     Checking bstr v1.4.0
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking assert_cmd v2.0.11
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking regex v1.8.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking hmac v0.12.1
[INFO] [stderr]     Checking sha1 v0.10.5
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.1/src/exec.rs:899:13
[INFO] [stdout]     |
[INFO] [stdout] 899 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 900 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 901 | |                 self.cache.value(),
[INFO] [stdout] 902 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 913 | |                 Quit => return Some(Quit),
[INFO] [stdout] 914 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking totpc v1.0.0 (/opt/rustwide/workdir)
[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" "79d9f47fd4f8776a6f9c32427c63c7d24d4f8cae0273b9c830f607ab8595c897", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79d9f47fd4f8776a6f9c32427c63c7d24d4f8cae0273b9c830f607ab8595c897", kill_on_drop: false }`
[INFO] [stdout] 79d9f47fd4f8776a6f9c32427c63c7d24d4f8cae0273b9c830f607ab8595c897