[INFO] fetching crate gbump 1.0.9...
[INFO] checking gbump-1.0.9 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gbump 1.0.9 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate gbump 1.0.9 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 crates.io crate gbump 1.0.9
[INFO] finished tweaking crates.io crate gbump 1.0.9
[INFO] tweaked toml for crates.io crate gbump 1.0.9 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate gbump 1.0.9 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9930343a1cdaffed34946f0965ebec76073f5913e6aea9b6bff09767dfd750eb
[INFO] running `Command { std: "docker" "start" "-a" "9930343a1cdaffed34946f0965ebec76073f5913e6aea9b6bff09767dfd750eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9930343a1cdaffed34946f0965ebec76073f5913e6aea9b6bff09767dfd750eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9930343a1cdaffed34946f0965ebec76073f5913e6aea9b6bff09767dfd750eb", kill_on_drop: false }`
[INFO] [stdout] 9930343a1cdaffed34946f0965ebec76073f5913e6aea9b6bff09767dfd750eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a30d4793c5fe9c89a0ae2e69993cedf469a2539d62fe0ff01130f9fed738e7b2
[INFO] running `Command { std: "docker" "start" "-a" "a30d4793c5fe9c89a0ae2e69993cedf469a2539d62fe0ff01130f9fed738e7b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.15.2+1.6.4
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stderr]     Checking git2 v0.17.2
[INFO] [stderr]     Checking gbump v1.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.04s
[INFO] running `Command { std: "docker" "inspect" "a30d4793c5fe9c89a0ae2e69993cedf469a2539d62fe0ff01130f9fed738e7b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30d4793c5fe9c89a0ae2e69993cedf469a2539d62fe0ff01130f9fed738e7b2", kill_on_drop: false }`
[INFO] [stdout] a30d4793c5fe9c89a0ae2e69993cedf469a2539d62fe0ff01130f9fed738e7b2
[INFO] checking gbump-1.0.9 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate gbump 1.0.9 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate gbump 1.0.9 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 crates.io crate gbump 1.0.9
[INFO] finished tweaking crates.io crate gbump 1.0.9
[INFO] tweaked toml for crates.io crate gbump 1.0.9 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate gbump 1.0.9 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 4ba2dc4a9176f3fac6714817333a5aa58b22d4122bcf475e958fba09d25ca38f
[INFO] running `Command { std: "docker" "start" "-a" "4ba2dc4a9176f3fac6714817333a5aa58b22d4122bcf475e958fba09d25ca38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ba2dc4a9176f3fac6714817333a5aa58b22d4122bcf475e958fba09d25ca38f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ba2dc4a9176f3fac6714817333a5aa58b22d4122bcf475e958fba09d25ca38f", kill_on_drop: false }`
[INFO] [stdout] 4ba2dc4a9176f3fac6714817333a5aa58b22d4122bcf475e958fba09d25ca38f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 1bef93d4afd03db23ff137e18dd200441f897038834be8b057781ce41132c90e
[INFO] running `Command { std: "docker" "start" "-a" "1bef93d4afd03db23ff137e18dd200441f897038834be8b057781ce41132c90e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking os_str_bytes v6.5.0
[INFO] [stderr]     Checking textwrap v0.16.0
[INFO] [stderr]     Checking openssl-probe v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.7.2
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking aho-corasick v1.0.2
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.0
[INFO] [stderr]    Compiling jobserver v0.1.26
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling openssl-sys v0.9.88
[INFO] [stderr]    Compiling libz-sys v1.1.9
[INFO] [stderr]    Compiling libssh2-sys v0.3.0
[INFO] [stderr]    Compiling libgit2-sys v0.15.2+1.6.4
[INFO] [stderr]     Checking regex v1.8.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.8.4/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] [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" "1bef93d4afd03db23ff137e18dd200441f897038834be8b057781ce41132c90e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bef93d4afd03db23ff137e18dd200441f897038834be8b057781ce41132c90e", kill_on_drop: false }`
[INFO] [stdout] 1bef93d4afd03db23ff137e18dd200441f897038834be8b057781ce41132c90e