[INFO] cloning repository https://github.com/noahp/diffelf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/noahp/diffelf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9374a845f55c53980ccc8f0fa79a5a3216abf2f0 [INFO] checking noahp/diffelf against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/noahp/diffelf 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/noahp/diffelf [INFO] finished tweaking git repo https://github.com/noahp/diffelf [INFO] tweaked toml for git repo https://github.com/noahp/diffelf written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/noahp/diffelf 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 tempfile v3.0.8 [INFO] [stderr] Downloaded ar v0.6.2 [INFO] [stderr] Downloaded bloom v0.3.2 [INFO] [stderr] Downloaded pretty_env_logger v0.2.5 [INFO] [stderr] Downloaded elfkit v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2857c0e0774060fcae8596c4ce08ab1d11270cb4590ce56b1d88306f56b968b9 [INFO] running `Command { std: "docker" "start" "-a" "2857c0e0774060fcae8596c4ce08ab1d11270cb4590ce56b1d88306f56b968b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2857c0e0774060fcae8596c4ce08ab1d11270cb4590ce56b1d88306f56b968b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2857c0e0774060fcae8596c4ce08ab1d11270cb4590ce56b1d88306f56b968b9", kill_on_drop: false }` [INFO] [stdout] 2857c0e0774060fcae8596c4ce08ab1d11270cb4590ce56b1d88306f56b968b9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b50205ea45c27d24dd7467d620749543dce9de6af1c075cd421f9069cf7e713c [INFO] running `Command { std: "docker" "start" "-a" "b50205ea45c27d24dd7467d620749543dce9de6af1c075cd421f9069cf7e713c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking rgb v0.8.13 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking bloom v0.3.2 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking ar v0.6.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking pretty_env_logger v0.2.5 [INFO] [stderr] Checking winconsole v0.10.0 [INFO] [stderr] Checking colored v1.8.0 [INFO] [stderr] Checking elfkit v0.0.7 [INFO] [stderr] Checking diffelf v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.84s [INFO] running `Command { std: "docker" "inspect" "b50205ea45c27d24dd7467d620749543dce9de6af1c075cd421f9069cf7e713c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b50205ea45c27d24dd7467d620749543dce9de6af1c075cd421f9069cf7e713c", kill_on_drop: false }` [INFO] [stdout] b50205ea45c27d24dd7467d620749543dce9de6af1c075cd421f9069cf7e713c [INFO] checking noahp/diffelf against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnoahp%2Fdiffelf" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/noahp/diffelf 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/noahp/diffelf [INFO] finished tweaking git repo https://github.com/noahp/diffelf [INFO] tweaked toml for git repo https://github.com/noahp/diffelf written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/noahp/diffelf 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] db3a7a230648d0ebd2e8005e0ef58a3ce23b928afacd74d0f4b021fbf9678124 [INFO] running `Command { std: "docker" "start" "-a" "db3a7a230648d0ebd2e8005e0ef58a3ce23b928afacd74d0f4b021fbf9678124", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db3a7a230648d0ebd2e8005e0ef58a3ce23b928afacd74d0f4b021fbf9678124", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db3a7a230648d0ebd2e8005e0ef58a3ce23b928afacd74d0f4b021fbf9678124", kill_on_drop: false }` [INFO] [stdout] db3a7a230648d0ebd2e8005e0ef58a3ce23b928afacd74d0f4b021fbf9678124 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] dc8663ea9f58165d58df73169d173c62f7eca57fb9fe541d2f9cb3947451334b [INFO] running `Command { std: "docker" "start" "-a" "dc8663ea9f58165d58df73169d173c62f7eca57fb9fe541d2f9cb3947451334b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Compiling typenum v1.10.0 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling winapi v0.3.7 [INFO] [stderr] Compiling cgmath v0.16.1 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.7 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking approx v0.1.1 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking arrayref v0.3.5 [INFO] [stderr] Checking rgb v0.8.13 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking either v1.5.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking block-buffer v0.3.3 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking glob v0.2.11 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking ar v0.6.2 [INFO] [stderr] Checking bloom v0.3.2 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking indexmap v1.0.2 [INFO] [stderr] Checking generic-array v0.9.0 [INFO] [stderr] Checking digest v0.7.6 [INFO] [stderr] Checking sha2 v0.7.1 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling enum-primitive-derive v0.1.2 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.1.7/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] [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" "dc8663ea9f58165d58df73169d173c62f7eca57fb9fe541d2f9cb3947451334b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc8663ea9f58165d58df73169d173c62f7eca57fb9fe541d2f9cb3947451334b", kill_on_drop: false }` [INFO] [stdout] dc8663ea9f58165d58df73169d173c62f7eca57fb9fe541d2f9cb3947451334b