[INFO] fetching crate git-hooks-dispatch 0.4.2...
[INFO] checking git-hooks-dispatch-0.4.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate git-hooks-dispatch 0.4.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate git-hooks-dispatch 0.4.2 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 git-hooks-dispatch 0.4.2
[INFO] finished tweaking crates.io crate git-hooks-dispatch 0.4.2
[INFO] tweaked toml for crates.io crate git-hooks-dispatch 0.4.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate git-hooks-dispatch 0.4.2 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 fragile v1.0.0
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.10.2
[INFO] [stderr]   Downloaded mockall v0.10.2
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded git2 v0.13.21
[INFO] [stderr]   Downloaded treeline v0.1.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.3
[INFO] [stderr]   Downloaded libgit2-sys v0.12.22+1.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 4ca82dadbda20ac800f9dbb03292d80418338b76321de832e4c44c04550ef8d0
[INFO] running `Command { std: "docker" "start" "-a" "4ca82dadbda20ac800f9dbb03292d80418338b76321de832e4c44c04550ef8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ca82dadbda20ac800f9dbb03292d80418338b76321de832e4c44c04550ef8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ca82dadbda20ac800f9dbb03292d80418338b76321de832e4c44c04550ef8d0", kill_on_drop: false }`
[INFO] [stdout] 4ca82dadbda20ac800f9dbb03292d80418338b76321de832e4c44c04550ef8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f5ca45a5cd6c3a7c1b825aa6196a57b6883e26223231201f67506fadb53ceebf
[INFO] running `Command { std: "docker" "start" "-a" "f5ca45a5cd6c3a7c1b825aa6196a57b6883e26223231201f67506fadb53ceebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking fragile v1.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.12.22+1.1.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking downcast v0.10.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling mockall_derive v0.10.2
[INFO] [stderr]     Checking structopt v0.3.23
[INFO] [stderr]     Checking mockall v0.10.2
[INFO] [stderr]     Checking git2 v0.13.21
[INFO] [stderr]     Checking git-hooks-dispatch v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/run.rs:49:56
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let repo = git2::Repository::open(repo_dir.as_ref().clone()).unwrap();
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `Path` does not implement `Clone`, so calling `clone` on `&Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let repo = git2::Repository::open(repo_dir.as_ref().clone()).unwrap();
[INFO] [stdout] 49 +     let repo = git2::Repository::open(repo_dir.as_ref()).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/run.rs:49:56
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let repo = git2::Repository::open(repo_dir.as_ref().clone()).unwrap();
[INFO] [stdout]    |                                                        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `std::path::Path` does not implement `Clone`, so calling `clone` on `&std::path::Path` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout] 49 -     let repo = git2::Repository::open(repo_dir.as_ref().clone()).unwrap();
[INFO] [stdout] 49 +     let repo = git2::Repository::open(repo_dir.as_ref()).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.24s
[INFO] running `Command { std: "docker" "inspect" "f5ca45a5cd6c3a7c1b825aa6196a57b6883e26223231201f67506fadb53ceebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ca45a5cd6c3a7c1b825aa6196a57b6883e26223231201f67506fadb53ceebf", kill_on_drop: false }`
[INFO] [stdout] f5ca45a5cd6c3a7c1b825aa6196a57b6883e26223231201f67506fadb53ceebf
[INFO] checking git-hooks-dispatch-0.4.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate git-hooks-dispatch 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate git-hooks-dispatch 0.4.2 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 git-hooks-dispatch 0.4.2
[INFO] finished tweaking crates.io crate git-hooks-dispatch 0.4.2
[INFO] tweaked toml for crates.io crate git-hooks-dispatch 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate git-hooks-dispatch 0.4.2 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f3399f1506aa1a58f5fda220f5fc38e76a9e1c1adb3338c838f7fe3003b32b5f
[INFO] running `Command { std: "docker" "start" "-a" "f3399f1506aa1a58f5fda220f5fc38e76a9e1c1adb3338c838f7fe3003b32b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3399f1506aa1a58f5fda220f5fc38e76a9e1c1adb3338c838f7fe3003b32b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3399f1506aa1a58f5fda220f5fc38e76a9e1c1adb3338c838f7fe3003b32b5f", kill_on_drop: false }`
[INFO] [stdout] f3399f1506aa1a58f5fda220f5fc38e76a9e1c1adb3338c838f7fe3003b32b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 27b95eae91f564d79364df2da6dbdfaf869e78dabb7c82157bcafdb37531d562
[INFO] running `Command { std: "docker" "start" "-a" "27b95eae91f564d79364df2da6dbdfaf869e78dabb7c82157bcafdb37531d562", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking unicode-bidi v0.3.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.43
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.4/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] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling openssl-sys v0.9.66
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[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" "27b95eae91f564d79364df2da6dbdfaf869e78dabb7c82157bcafdb37531d562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b95eae91f564d79364df2da6dbdfaf869e78dabb7c82157bcafdb37531d562", kill_on_drop: false }`
[INFO] [stdout] 27b95eae91f564d79364df2da6dbdfaf869e78dabb7c82157bcafdb37531d562