[INFO] cloning repository https://github.com/whatisaphone/rustfmt-shim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whatisaphone/rustfmt-shim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhatisaphone%2Frustfmt-shim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhatisaphone%2Frustfmt-shim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5867f67e89f52721f7349b2f4811ffa5351be84d
[INFO] checking whatisaphone/rustfmt-shim against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhatisaphone%2Frustfmt-shim" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whatisaphone/rustfmt-shim 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] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/whatisaphone/rustfmt-shim
[INFO] finished tweaking git repo https://github.com/whatisaphone/rustfmt-shim
[INFO] tweaked toml for git repo https://github.com/whatisaphone/rustfmt-shim written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/whatisaphone/rustfmt-shim 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 tracing-serde v0.1.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded dirs v3.0.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.5
[INFO] [stderr]   Downloaded tracing-appender v0.1.1
[INFO] [stderr]   Downloaded crossbeam-utils v0.8.1
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded serde_json v1.0.60
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded smallvec v1.5.1
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded serde v1.0.118
[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] b8f8c6f424bd004f7e70b9907b7a4f6ce1e14dd05335644f39972f0df868bcde
[INFO] running `Command { std: "docker" "start" "-a" "b8f8c6f424bd004f7e70b9907b7a4f6ce1e14dd05335644f39972f0df868bcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f8c6f424bd004f7e70b9907b7a4f6ce1e14dd05335644f39972f0df868bcde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f8c6f424bd004f7e70b9907b7a4f6ce1e14dd05335644f39972f0df868bcde", kill_on_drop: false }`
[INFO] [stdout] b8f8c6f424bd004f7e70b9907b7a4f6ce1e14dd05335644f39972f0df868bcde
[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] b109b6f68113a85031f27867c31d6607dcb7314f3b51a29be1a82edc94f81647
[INFO] running `Command { std: "docker" "start" "-a" "b109b6f68113a85031f27867c31d6607dcb7314f3b51a29be1a82edc94f81647", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking tracing-appender v0.1.1
[INFO] [stderr]     Checking rustfmt-shim v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.65s
[INFO] running `Command { std: "docker" "inspect" "b109b6f68113a85031f27867c31d6607dcb7314f3b51a29be1a82edc94f81647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b109b6f68113a85031f27867c31d6607dcb7314f3b51a29be1a82edc94f81647", kill_on_drop: false }`
[INFO] [stdout] b109b6f68113a85031f27867c31d6607dcb7314f3b51a29be1a82edc94f81647
[INFO] checking whatisaphone/rustfmt-shim against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhatisaphone%2Frustfmt-shim" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/whatisaphone/rustfmt-shim 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] removed /workspace/builds/worker-4-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/whatisaphone/rustfmt-shim
[INFO] finished tweaking git repo https://github.com/whatisaphone/rustfmt-shim
[INFO] tweaked toml for git repo https://github.com/whatisaphone/rustfmt-shim written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/whatisaphone/rustfmt-shim 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] 19d970400e106ab2002e64b576af6de8701e53d23175d40217befee2b93fa591
[INFO] running `Command { std: "docker" "start" "-a" "19d970400e106ab2002e64b576af6de8701e53d23175d40217befee2b93fa591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19d970400e106ab2002e64b576af6de8701e53d23175d40217befee2b93fa591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19d970400e106ab2002e64b576af6de8701e53d23175d40217befee2b93fa591", kill_on_drop: false }`
[INFO] [stdout] 19d970400e106ab2002e64b576af6de8701e53d23175d40217befee2b93fa591
[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] 5294b680aaf9986d73f2e2899fff78856bc7fee89f446ac894cd05bfa0d40ebd
[INFO] running `Command { std: "docker" "start" "-a" "5294b680aaf9986d73f2e2899fff78856bc7fee89f446ac894cd05bfa0d40ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking sharded-slab v0.1.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking dirs v3.0.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err(INVALID)?;
[INFO] [stdout]     |                     ^^^ cannot infer type of the type parameter `T` declared on the enum `Result`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic arguments
[INFO] [stdout]     |
[INFO] [stdout] 491 |                     Err::<T, format::ParseError>(INVALID)?;
[INFO] [stdout]     |                        +++++++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.2
[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 `chrono` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.2/src/exec.rs:836:13
[INFO] [stdout]     |
[INFO] [stdout] 836 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 837 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 838 | |                 self.cache.value(),
[INFO] [stdout] 839 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 850 | |                 Quit => return Some(Quit),
[INFO] [stdout] 851 | |             };
[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] running `Command { std: "docker" "inspect" "5294b680aaf9986d73f2e2899fff78856bc7fee89f446ac894cd05bfa0d40ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5294b680aaf9986d73f2e2899fff78856bc7fee89f446ac894cd05bfa0d40ebd", kill_on_drop: false }`
[INFO] [stdout] 5294b680aaf9986d73f2e2899fff78856bc7fee89f446ac894cd05bfa0d40ebd