[INFO] fetching crate geobuf 0.1.4...
[INFO] checking geobuf-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate geobuf 0.1.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate geobuf 0.1.4 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 geobuf 0.1.4
[INFO] finished tweaking crates.io crate geobuf 0.1.4
[INFO] tweaked toml for crates.io crate geobuf 0.1.4 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate geobuf 0.1.4 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]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.2.0
[INFO] [stderr]   Downloaded clap_derive v3.2.7
[INFO] [stderr]   Downloaded protobuf-support v3.0.2
[INFO] [stderr]   Downloaded which v4.2.5
[INFO] [stderr]   Downloaded protobuf-codegen v3.0.2
[INFO] [stderr]   Downloaded protobuf v3.0.2
[INFO] [stderr]   Downloaded protobuf-parse v3.0.2
[INFO] [stderr]   Downloaded clap v3.2.14
[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] 860fbdb4d3956c1bc48aca5d3e483f20de3a528c6de7762544dc3ea85d45489c
[INFO] running `Command { std: "docker" "start" "-a" "860fbdb4d3956c1bc48aca5d3e483f20de3a528c6de7762544dc3ea85d45489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "860fbdb4d3956c1bc48aca5d3e483f20de3a528c6de7762544dc3ea85d45489c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "860fbdb4d3956c1bc48aca5d3e483f20de3a528c6de7762544dc3ea85d45489c", kill_on_drop: false }`
[INFO] [stdout] 860fbdb4d3956c1bc48aca5d3e483f20de3a528c6de7762544dc3ea85d45489c
[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] b7edcedf15ac04c6c5491ac8cc04391843e0c46d1cb6f2a052df4aad6af5b16f
[INFO] running `Command { std: "docker" "start" "-a" "b7edcedf15ac04c6c5491ac8cc04391843e0c46d1cb6f2a052df4aad6af5b16f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling protobuf v3.0.2
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling clap_derive v3.2.7
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking protobuf-support v3.0.2
[INFO] [stderr]     Checking clap v3.2.14
[INFO] [stderr]     Checking protobuf-parse v3.0.2
[INFO] [stderr]     Checking protobuf-codegen v3.0.2
[INFO] [stderr]     Checking geobuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.53s
[INFO] running `Command { std: "docker" "inspect" "b7edcedf15ac04c6c5491ac8cc04391843e0c46d1cb6f2a052df4aad6af5b16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7edcedf15ac04c6c5491ac8cc04391843e0c46d1cb6f2a052df4aad6af5b16f", kill_on_drop: false }`
[INFO] [stdout] b7edcedf15ac04c6c5491ac8cc04391843e0c46d1cb6f2a052df4aad6af5b16f
[INFO] checking geobuf-0.1.4 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate geobuf 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate geobuf 0.1.4 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 geobuf 0.1.4
[INFO] finished tweaking crates.io crate geobuf 0.1.4
[INFO] tweaked toml for crates.io crate geobuf 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate geobuf 0.1.4 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] fde96acbc3bb5535db94f7c503bbbec7451f2b96643c9b32a1ebcb6ee259ed6c
[INFO] running `Command { std: "docker" "start" "-a" "fde96acbc3bb5535db94f7c503bbbec7451f2b96643c9b32a1ebcb6ee259ed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fde96acbc3bb5535db94f7c503bbbec7451f2b96643c9b32a1ebcb6ee259ed6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fde96acbc3bb5535db94f7c503bbbec7451f2b96643c9b32a1ebcb6ee259ed6c", kill_on_drop: false }`
[INFO] [stdout] fde96acbc3bb5535db94f7c503bbbec7451f2b96643c9b32a1ebcb6ee259ed6c
[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] 1622ed35f2d82734577e1da8cfdba18e5fe7fcdb3c06263e99deeb850d192cf3
[INFO] running `Command { std: "docker" "start" "-a" "1622ed35f2d82734577e1da8cfdba18e5fe7fcdb3c06263e99deeb850d192cf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]    Compiling protobuf v3.0.2
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]     Checking memchr v2.5.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]    Compiling serde v1.0.140
[INFO] [stderr]     Checking either v1.7.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking os_str_bytes v6.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking which v4.2.5
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.6.0/src/exec.rs:848:13
[INFO] [stdout]     |
[INFO] [stdout] 848 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 849 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 850 | |                 self.cache.value(),
[INFO] [stdout] 851 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 862 | |                 Quit => return Some(Quit),
[INFO] [stdout] 863 | |             };
[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" "1622ed35f2d82734577e1da8cfdba18e5fe7fcdb3c06263e99deeb850d192cf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1622ed35f2d82734577e1da8cfdba18e5fe7fcdb3c06263e99deeb850d192cf3", kill_on_drop: false }`
[INFO] [stdout] 1622ed35f2d82734577e1da8cfdba18e5fe7fcdb3c06263e99deeb850d192cf3