[INFO] fetching crate favocon 1.1.0...
[INFO] checking favocon-1.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate favocon 1.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate favocon 1.1.0 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 favocon 1.1.0
[INFO] finished tweaking crates.io crate favocon 1.1.0
[INFO] tweaked toml for crates.io crate favocon 1.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate favocon 1.1.0 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 strum_macros v0.8.0
[INFO] [stderr]   Downloaded strum v0.8.0
[INFO] [stderr]   Downloaded rand_core v0.4.0
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[INFO] [stderr]   Downloaded libc v0.2.55
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded assert_cmd v0.11.1
[INFO] [stderr]   Downloaded termion v1.5.2
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[INFO] [stderr]   Downloaded crossbeam-utils v0.2.2
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[INFO] [stderr]   Downloaded escargot v0.4.0
[INFO] [stderr]   Downloaded clicolors-control v1.0.0
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded smallvec v0.6.9
[INFO] [stderr]   Downloaded termios v0.3.1
[INFO] [stderr]   Downloaded color_quant v1.0.1
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded nodrop v0.1.13
[INFO] [stderr]   Downloaded crossbeam-epoch v0.3.1
[INFO] [stderr]   Downloaded num_cpus v1.10.0
[INFO] [stderr]   Downloaded rayon-core v1.4.1
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded num-iter v0.1.37
[INFO] [stderr]   Downloaded image v0.21.1
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded regex v1.1.6
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded ansi_term v0.7.5
[INFO] [stderr]   Downloaded spinner v0.4.0
[INFO] [stderr]   Downloaded remove_dir_all v0.5.1
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] [stderr]   Downloaded rayon v1.0.3
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[INFO] [stderr]   Downloaded encode_unicode v0.3.5
[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] b7414a9ed0daf5d2428c56ffc421405925235bb3472d8f3a3949ffc8c7efdd37
[INFO] running `Command { std: "docker" "start" "-a" "b7414a9ed0daf5d2428c56ffc421405925235bb3472d8f3a3949ffc8c7efdd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7414a9ed0daf5d2428c56ffc421405925235bb3472d8f3a3949ffc8c7efdd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7414a9ed0daf5d2428c56ffc421405925235bb3472d8f3a3949ffc8c7efdd37", kill_on_drop: false }`
[INFO] [stdout] b7414a9ed0daf5d2428c56ffc421405925235bb3472d8f3a3949ffc8c7efdd37
[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] c3654a89be93a3a628508f53564d2bae8cb5392d1dac84aae312924c13d1ed5d
[INFO] running `Command { std: "docker" "start" "-a" "c3654a89be93a3a628508f53564d2bae8cb5392d1dac84aae312924c13d1ed5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking spinner v0.4.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking ico v0.1.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking console v0.7.5
[INFO] [stderr]     Checking predicates v1.0.1
[INFO] [stderr]     Checking spinners v1.0.0
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking favocon v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "c3654a89be93a3a628508f53564d2bae8cb5392d1dac84aae312924c13d1ed5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3654a89be93a3a628508f53564d2bae8cb5392d1dac84aae312924c13d1ed5d", kill_on_drop: false }`
[INFO] [stdout] c3654a89be93a3a628508f53564d2bae8cb5392d1dac84aae312924c13d1ed5d
[INFO] checking favocon-1.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate favocon 1.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate favocon 1.1.0 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 favocon 1.1.0
[INFO] finished tweaking crates.io crate favocon 1.1.0
[INFO] tweaked toml for crates.io crate favocon 1.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate favocon 1.1.0 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-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] 20f683643fff382b614f7651d1ff539b6fb01bad2f8ddf8228a1e89446591566
[INFO] running `Command { std: "docker" "start" "-a" "20f683643fff382b614f7651d1ff539b6fb01bad2f8ddf8228a1e89446591566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20f683643fff382b614f7651d1ff539b6fb01bad2f8ddf8228a1e89446591566", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f683643fff382b614f7651d1ff539b6fb01bad2f8ddf8228a1e89446591566", kill_on_drop: false }`
[INFO] [stdout] 20f683643fff382b614f7651d1ff539b6fb01bad2f8ddf8228a1e89446591566
[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] 44143b10525b3536b788f1d369f2a354631c86301337717771dbe1483889b1f9
[INFO] running `Command { std: "docker" "start" "-a" "44143b10525b3536b788f1d369f2a354631c86301337717771dbe1483889b1f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking term v0.2.14
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking inflate v0.3.4
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]     Checking ansi_term v0.7.5
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking spinner v0.4.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking gif v0.10.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking clicolors-control v1.0.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.6/src/exec.rs:797:13
[INFO] [stdout]     |
[INFO] [stdout] 797 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 798 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 799 | |                 self.cache,
[INFO] [stdout] 800 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 811 | |                 Quit => return Some(Quit),
[INFO] [stdout] 812 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking strum v0.8.0
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking ico v0.1.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling serde_derive v1.0.91
[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" "44143b10525b3536b788f1d369f2a354631c86301337717771dbe1483889b1f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44143b10525b3536b788f1d369f2a354631c86301337717771dbe1483889b1f9", kill_on_drop: false }`
[INFO] [stdout] 44143b10525b3536b788f1d369f2a354631c86301337717771dbe1483889b1f9