[INFO] cloning repository https://github.com/MashPlant/re2dfa
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MashPlant/re2dfa" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMashPlant%2Fre2dfa", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMashPlant%2Fre2dfa'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5ecc980a7d40e0eba8da35d02230f3bf14e9404
[INFO] checking MashPlant/re2dfa against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMashPlant%2Fre2dfa" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MashPlant/re2dfa on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MashPlant/re2dfa
[INFO] finished tweaking git repo https://github.com/MashPlant/re2dfa
[INFO] tweaked toml for git repo https://github.com/MashPlant/re2dfa written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/MashPlant/bitset`
[INFO] [stderr]     Updating git repository `https://github.com/MashPlant/pretty_u8`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tap v1.0.0
[INFO] [stderr]   Downloaded funty v1.0.1
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded ahash v0.6.2
[INFO] [stderr]   Downloaded wyz v0.2.0
[INFO] [stderr]   Downloaded bitvec v0.19.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 529bb935a7c4ce0babb76a8666483508b7f7d9a9ca3f9bd0b81946ffbbb75c44
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "529bb935a7c4ce0babb76a8666483508b7f7d9a9ca3f9bd0b81946ffbbb75c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "529bb935a7c4ce0babb76a8666483508b7f7d9a9ca3f9bd0b81946ffbbb75c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "529bb935a7c4ce0babb76a8666483508b7f7d9a9ca3f9bd0b81946ffbbb75c44", kill_on_drop: false }`
[INFO] [stdout] 529bb935a7c4ce0babb76a8666483508b7f7d9a9ca3f9bd0b81946ffbbb75c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67e4d361a0a9fcf94fff55b51ebc616a202e2500fec421fbfdb08e0513e931e5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "67e4d361a0a9fcf94fff55b51ebc616a202e2500fec421fbfdb08e0513e931e5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling lexical-core v0.7.4
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking tap v1.0.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking funty v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking bitset v0.1.0 (https://github.com/MashPlant/bitset#da4d5921)
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking pretty_u8 v0.1.0 (https://github.com/MashPlant/pretty_u8#ceb1c74e)
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling nom v6.0.1
[INFO] [stderr]    Compiling ahash v0.6.2
[INFO] [stderr]     Checking bitvec v0.19.4
[INFO] [stderr]     Checking getrandom v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking re2dfa v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/show_fa.rs:15:22
[INFO] [stdout]    |
[INFO] [stdout] 15 |   let re = re::parse(input).expect("invalid regex");
[INFO] [stdout]    |                      ^^^^^ expected slice `[u8]`, found `str`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&[u8]`
[INFO] [stdout]               found reference `&str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `re2dfa`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "67e4d361a0a9fcf94fff55b51ebc616a202e2500fec421fbfdb08e0513e931e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67e4d361a0a9fcf94fff55b51ebc616a202e2500fec421fbfdb08e0513e931e5", kill_on_drop: false }`
[INFO] [stdout] 67e4d361a0a9fcf94fff55b51ebc616a202e2500fec421fbfdb08e0513e931e5