[INFO] fetching crate schemafy-cli 0.1.0...
[INFO] checking schemafy-cli-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate schemafy-cli 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate schemafy-cli 0.1.0 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 schemafy-cli 0.1.0
[INFO] finished tweaking crates.io crate schemafy-cli 0.1.0
[INFO] tweaked toml for crates.io crate schemafy-cli 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate schemafy-cli 0.1.0 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 schemafy_core v0.5.1
[INFO] [stderr]   Downloaded env_logger v0.8.1
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded schemafy_lib v0.5.1
[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] d2a90f39a2cbd41daa2b6a5cda9d646898b956eda5ac85fb00c6dfd5c95b8063
[INFO] running `Command { std: "docker" "start" "-a" "d2a90f39a2cbd41daa2b6a5cda9d646898b956eda5ac85fb00c6dfd5c95b8063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2a90f39a2cbd41daa2b6a5cda9d646898b956eda5ac85fb00c6dfd5c95b8063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a90f39a2cbd41daa2b6a5cda9d646898b956eda5ac85fb00c6dfd5c95b8063", kill_on_drop: false }`
[INFO] [stdout] d2a90f39a2cbd41daa2b6a5cda9d646898b956eda5ac85fb00c6dfd5c95b8063
[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] 390bac6b2eb398a1e0c37b54f9e3a422e70de631f4606692c12c3ca93101e073
[INFO] running `Command { std: "docker" "start" "-a" "390bac6b2eb398a1e0c37b54f9e3a422e70de631f4606692c12c3ca93101e073", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking env_logger v0.8.1
[INFO] [stderr]     Checking schemafy_core v0.5.1
[INFO] [stderr]     Checking schemafy_lib v0.5.1
[INFO] [stderr]     Checking schemafy-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `PathBuf` is imported redundantly
[INFO] [stdout]   --> src/main.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     use std::path::PathBuf;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |
[INFO] [stdout] 60 |     use super::*;
[INFO] [stdout]    |         -------- the item `PathBuf` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.61s
[INFO] running `Command { std: "docker" "inspect" "390bac6b2eb398a1e0c37b54f9e3a422e70de631f4606692c12c3ca93101e073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "390bac6b2eb398a1e0c37b54f9e3a422e70de631f4606692c12c3ca93101e073", kill_on_drop: false }`
[INFO] [stdout] 390bac6b2eb398a1e0c37b54f9e3a422e70de631f4606692c12c3ca93101e073
[INFO] checking schemafy-cli-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate schemafy-cli 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate schemafy-cli 0.1.0 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 schemafy-cli 0.1.0
[INFO] finished tweaking crates.io crate schemafy-cli 0.1.0
[INFO] tweaked toml for crates.io crate schemafy-cli 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate schemafy-cli 0.1.0 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] d0306019a0d296c55fbcdb142785b97dae73b018b775ff2b9628593856a5af75
[INFO] running `Command { std: "docker" "start" "-a" "d0306019a0d296c55fbcdb142785b97dae73b018b775ff2b9628593856a5af75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0306019a0d296c55fbcdb142785b97dae73b018b775ff2b9628593856a5af75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0306019a0d296c55fbcdb142785b97dae73b018b775ff2b9628593856a5af75", kill_on_drop: false }`
[INFO] [stdout] d0306019a0d296c55fbcdb142785b97dae73b018b775ff2b9628593856a5af75
[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] 72e862396c44e0e30e0d8dd2a1fc72799b416fe2caf9fcb3faeb26a6e5fa24a8
[INFO] running `Command { std: "docker" "start" "-a" "72e862396c44e0e30e0d8dd2a1fc72799b416fe2caf9fcb3faeb26a6e5fa24a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.1/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "72e862396c44e0e30e0d8dd2a1fc72799b416fe2caf9fcb3faeb26a6e5fa24a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72e862396c44e0e30e0d8dd2a1fc72799b416fe2caf9fcb3faeb26a6e5fa24a8", kill_on_drop: false }`
[INFO] [stdout] 72e862396c44e0e30e0d8dd2a1fc72799b416fe2caf9fcb3faeb26a6e5fa24a8