[INFO] fetching crate swappy 0.3.0... [INFO] checking swappy-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate swappy 0.3.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate swappy 0.3.0 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 swappy 0.3.0 [INFO] finished tweaking crates.io crate swappy 0.3.0 [INFO] tweaked toml for crates.io crate swappy 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate swappy 0.3.0 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 autocfg v1.0.0 [INFO] [stderr] Downloaded dirs v2.0.2 [INFO] [stderr] Downloaded rust-argon2 v0.7.0 [INFO] [stderr] Downloaded redox_users v0.3.4 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded constant_time_eq v0.1.5 [INFO] [stderr] Downloaded dirs-sys v0.3.5 [INFO] [stderr] Downloaded shellexpand v1.1.1 [INFO] [stderr] Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded arrayref v0.3.6 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded thread_local v1.0.1 [INFO] [stderr] Downloaded blake2b_simd v0.5.10 [INFO] [stderr] Downloaded arrayvec v0.5.1 [INFO] [stderr] Downloaded aho-corasick v0.7.13 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded regex v1.3.9 [INFO] [stderr] Downloaded base64 v0.11.0 [INFO] [stderr] Downloaded regex-syntax v0.6.18 [INFO] [stderr] Downloaded libc v0.2.71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] ac7a49d42b3328441be4e790785bc7398e7e8da78b87d80599ff57cf62431a3a [INFO] running `Command { std: "docker" "start" "-a" "ac7a49d42b3328441be4e790785bc7398e7e8da78b87d80599ff57cf62431a3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac7a49d42b3328441be4e790785bc7398e7e8da78b87d80599ff57cf62431a3a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac7a49d42b3328441be4e790785bc7398e7e8da78b87d80599ff57cf62431a3a", kill_on_drop: false }` [INFO] [stdout] ac7a49d42b3328441be4e790785bc7398e7e8da78b87d80599ff57cf62431a3a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1ac19b1b38abb4a5c0c487dd1d86b48c87f3470d2fe7214cb77b6088ec7b9ac1 [INFO] running `Command { std: "docker" "start" "-a" "1ac19b1b38abb4a5c0c487dd1d86b48c87f3470d2fe7214cb77b6088ec7b9ac1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking shellexpand v1.1.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking swappy v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `shellexpand` is imported redundantly [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use shellexpand; [INFO] [stdout] | ^^^^^^^^^^^ the item `shellexpand` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FoundWords` is imported redundantly [INFO] [stdout] --> src/solver.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 70 | use super::*; [INFO] [stdout] | -------- the item `FoundWords` is already imported here [INFO] [stdout] 71 | use crate::found_words::FoundWords; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `word_list` is imported redundantly [INFO] [stdout] --> src/solver.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 70 | use super::*; [INFO] [stdout] | -------- the item `word_list` is already imported here [INFO] [stdout] 71 | use crate::found_words::FoundWords; [INFO] [stdout] 72 | use crate::word_list; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `shellexpand` is imported redundantly [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use shellexpand; [INFO] [stdout] | ^^^^^^^^^^^ the item `shellexpand` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.89s [INFO] running `Command { std: "docker" "inspect" "1ac19b1b38abb4a5c0c487dd1d86b48c87f3470d2fe7214cb77b6088ec7b9ac1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ac19b1b38abb4a5c0c487dd1d86b48c87f3470d2fe7214cb77b6088ec7b9ac1", kill_on_drop: false }` [INFO] [stdout] 1ac19b1b38abb4a5c0c487dd1d86b48c87f3470d2fe7214cb77b6088ec7b9ac1 [INFO] checking swappy-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate swappy 0.3.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate swappy 0.3.0 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 swappy 0.3.0 [INFO] finished tweaking crates.io crate swappy 0.3.0 [INFO] tweaked toml for crates.io crate swappy 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate swappy 0.3.0 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3a83f3f562cfd6e59cbd6662b178df26883640cad4e4f020308e6342e659d883 [INFO] running `Command { std: "docker" "start" "-a" "3a83f3f562cfd6e59cbd6662b178df26883640cad4e4f020308e6342e659d883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a83f3f562cfd6e59cbd6662b178df26883640cad4e4f020308e6342e659d883", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a83f3f562cfd6e59cbd6662b178df26883640cad4e4f020308e6342e659d883", kill_on_drop: false }` [INFO] [stdout] 3a83f3f562cfd6e59cbd6662b178df26883640cad4e4f020308e6342e659d883 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 6dde9f23ade22cdba9b57d65c9db8d7aa77042bde4262d8c39e8ae3ecea0e778 [INFO] running `Command { std: "docker" "start" "-a" "6dde9f23ade22cdba9b57d65c9db8d7aa77042bde4262d8c39e8ae3ecea0e778", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.18 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking aho-corasick v0.7.13 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking shellexpand v1.1.1 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.9/src/exec.rs:836:13 [INFO] [stdout] | [INFO] [stdout] 836 | / match dfa::Fsm::reverse( [INFO] [stdout] 837 | | &self.ro.dfa_reverse, [INFO] [stdout] 838 | | self.cache.value(), [INFO] [stdout] 839 | | false, [INFO] [stdout] ... | [INFO] [stdout] 850 | | Quit => return Some(Quit), [INFO] [stdout] 851 | | }; [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] running `Command { std: "docker" "inspect" "6dde9f23ade22cdba9b57d65c9db8d7aa77042bde4262d8c39e8ae3ecea0e778", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dde9f23ade22cdba9b57d65c9db8d7aa77042bde4262d8c39e8ae3ecea0e778", kill_on_drop: false }` [INFO] [stdout] 6dde9f23ade22cdba9b57d65c9db8d7aa77042bde4262d8c39e8ae3ecea0e778