[INFO] cloning repository https://github.com/thomas9911/imageoptimizer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thomas9911/imageoptimizer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fimageoptimizer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fimageoptimizer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f2bff901f837dc3f44ad7e0779d024ca5aec0167
[INFO] checking thomas9911/imageoptimizer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fimageoptimizer" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomas9911/imageoptimizer 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 git repo https://github.com/thomas9911/imageoptimizer
[INFO] finished tweaking git repo https://github.com/thomas9911/imageoptimizer
[INFO] tweaked toml for git repo https://github.com/thomas9911/imageoptimizer written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thomas9911/imageoptimizer 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 svgparser v0.6.4
[INFO] [stderr]   Downloaded xmlparser v0.1.2
[INFO] [stderr]   Downloaded float-cmp v0.3.0
[INFO] [stderr]   Downloaded webp v0.2.0
[INFO] [stderr]   Downloaded simplecss v0.1.0
[INFO] [stderr]   Downloaded imagequant v3.1.0
[INFO] [stderr]   Downloaded svgdom v0.10.5
[INFO] [stderr]   Downloaded assert_fs v1.0.5
[INFO] [stderr]   Downloaded nasm-rs v0.2.0
[INFO] [stderr]   Downloaded imagequant-sys v3.1.0+sys2.16.0
[INFO] [stderr]   Downloaded png v0.17.1
[INFO] [stderr]   Downloaded mozjpeg v0.9.1
[INFO] [stderr]   Downloaded mozjpeg-sys v1.0.0
[INFO] [stderr]   Downloaded libwebp-sys v0.2.0
[INFO] [stderr]   Downloaded svgcleaner v0.9.5
[INFO] [stderr]   Downloaded fallible_collections v0.4.3
[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] 096ea3ab795dc7f999e9b578d7f1694b58323959413f76b87f47e6fce9485572
[INFO] running `Command { std: "docker" "start" "-a" "096ea3ab795dc7f999e9b578d7f1694b58323959413f76b87f47e6fce9485572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "096ea3ab795dc7f999e9b578d7f1694b58323959413f76b87f47e6fce9485572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096ea3ab795dc7f999e9b578d7f1694b58323959413f76b87f47e6fce9485572", kill_on_drop: false }`
[INFO] [stdout] 096ea3ab795dc7f999e9b578d7f1694b58323959413f76b87f47e6fce9485572
[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] bb81b3172dfd93bb90687fd16cda77a8da615c5860153c8d5142d255df952926
[INFO] running `Command { std: "docker" "start" "-a" "bb81b3172dfd93bb90687fd16cda77a8da615c5860153c8d5142d255df952926", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking xmlparser v0.1.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling imagequant-sys v3.1.0+sys2.16.0
[INFO] [stderr]    Compiling libwebp-sys v0.2.0
[INFO] [stderr]     Checking rgb v0.8.27
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking fallible_collections v0.4.3
[INFO] [stderr]     Checking svgparser v0.6.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking float-cmp v0.3.0
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking color_quant v1.1.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking simplecss v0.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]     Checking svgdom v0.10.5
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]    Compiling nasm-rs v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]    Compiling mozjpeg-sys v1.0.0
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking png v0.17.1
[INFO] [stderr]     Checking svgcleaner v0.9.5
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking predicates v2.0.2
[INFO] [stderr]     Checking assert_fs v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking imagequant v3.1.0
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking mozjpeg v0.9.1
[INFO] [stderr]     Checking webp v0.2.0
[INFO] [stderr]     Checking imgopt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.15s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: svgparser v0.6.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "bb81b3172dfd93bb90687fd16cda77a8da615c5860153c8d5142d255df952926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb81b3172dfd93bb90687fd16cda77a8da615c5860153c8d5142d255df952926", kill_on_drop: false }`
[INFO] [stdout] bb81b3172dfd93bb90687fd16cda77a8da615c5860153c8d5142d255df952926
[INFO] checking thomas9911/imageoptimizer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthomas9911%2Fimageoptimizer" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thomas9911/imageoptimizer 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 git repo https://github.com/thomas9911/imageoptimizer
[INFO] finished tweaking git repo https://github.com/thomas9911/imageoptimizer
[INFO] tweaked toml for git repo https://github.com/thomas9911/imageoptimizer written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/thomas9911/imageoptimizer 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] 3642a304a339ddf0ec0dc8635ff45d93d8a900bae4cc03b320e37bec2079da51
[INFO] running `Command { std: "docker" "start" "-a" "3642a304a339ddf0ec0dc8635ff45d93d8a900bae4cc03b320e37bec2079da51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3642a304a339ddf0ec0dc8635ff45d93d8a900bae4cc03b320e37bec2079da51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3642a304a339ddf0ec0dc8635ff45d93d8a900bae4cc03b320e37bec2079da51", kill_on_drop: false }`
[INFO] [stdout] 3642a304a339ddf0ec0dc8635ff45d93d8a900bae4cc03b320e37bec2079da51
[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] 31bf9a1f73795f65306a9828ad3a79b5870be8d9915adc225c9aab07365e6ac2
[INFO] running `Command { std: "docker" "start" "-a" "31bf9a1f73795f65306a9828ad3a79b5870be8d9915adc225c9aab07365e6ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.4/src/sync/parker.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 365 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 366 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 367 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v1.0.72
[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 `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31bf9a1f73795f65306a9828ad3a79b5870be8d9915adc225c9aab07365e6ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31bf9a1f73795f65306a9828ad3a79b5870be8d9915adc225c9aab07365e6ac2", kill_on_drop: false }`
[INFO] [stdout] 31bf9a1f73795f65306a9828ad3a79b5870be8d9915adc225c9aab07365e6ac2