[INFO] fetching crate lightmon 0.2.0... [INFO] checking lightmon-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate lightmon 0.2.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate lightmon 0.2.0 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 lightmon 0.2.0 [INFO] finished tweaking crates.io crate lightmon 0.2.0 [INFO] tweaked toml for crates.io crate lightmon 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate lightmon 0.2.0 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] Downloading crates ... [INFO] [stderr] Downloaded ansi_term v0.9.0 [INFO] [stderr] Downloaded lock_api v0.4.3 [INFO] [stderr] Downloaded notify v4.0.15 [INFO] [stderr] Downloaded predicates-core v1.0.2 [INFO] [stderr] Downloaded assert_cmd v1.0.3 [INFO] [stderr] Downloaded textwrap v0.9.0 [INFO] [stderr] Downloaded predicates-tree v1.0.2 [INFO] [stderr] Downloaded clap v2.27.1 [INFO] [stderr] Downloaded predicates v1.0.7 [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] b712d923f799f9807fcd543fb7d3da0a45b8630a84ab47b3dd1c5cf820234ad0 [INFO] running `Command { std: "docker" "start" "-a" "b712d923f799f9807fcd543fb7d3da0a45b8630a84ab47b3dd1c5cf820234ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b712d923f799f9807fcd543fb7d3da0a45b8630a84ab47b3dd1c5cf820234ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b712d923f799f9807fcd543fb7d3da0a45b8630a84ab47b3dd1c5cf820234ad0", kill_on_drop: false }` [INFO] [stdout] b712d923f799f9807fcd543fb7d3da0a45b8630a84ab47b3dd1c5cf820234ad0 [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] 7d9903f99e4dd9096171d1d2e97fc72c21c9046cc6e67d59ca0b94c959c7ffdf [INFO] running `Command { std: "docker" "start" "-a" "7d9903f99e4dd9096171d1d2e97fc72c21c9046cc6e67d59ca0b94c959c7ffdf", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking assert_cmd v1.0.3 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Compiling serial_test_derive v0.5.1 [INFO] [stderr] Checking lightmon v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serial_test v0.5.1 [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> tests/utils.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{prelude::*, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> tests/utils.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{prelude::*, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> tests/utils.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{prelude::*, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> tests/utils.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{prelude::*, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Read` is imported redundantly [INFO] [stdout] --> tests/utils.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::{prelude::*, Read}; [INFO] [stdout] | ---------- ^^^^ [INFO] [stdout] | | [INFO] [stdout] | the item `Read` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.44s [INFO] running `Command { std: "docker" "inspect" "7d9903f99e4dd9096171d1d2e97fc72c21c9046cc6e67d59ca0b94c959c7ffdf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d9903f99e4dd9096171d1d2e97fc72c21c9046cc6e67d59ca0b94c959c7ffdf", kill_on_drop: false }` [INFO] [stdout] 7d9903f99e4dd9096171d1d2e97fc72c21c9046cc6e67d59ca0b94c959c7ffdf [INFO] checking lightmon-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate lightmon 0.2.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate lightmon 0.2.0 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 lightmon 0.2.0 [INFO] finished tweaking crates.io crate lightmon 0.2.0 [INFO] tweaked toml for crates.io crate lightmon 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate lightmon 0.2.0 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-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] 5655d11b23d7a67977b877a6424041be11a03e3c4f931303d71dd2903bcb2ea9 [INFO] running `Command { std: "docker" "start" "-a" "5655d11b23d7a67977b877a6424041be11a03e3c4f931303d71dd2903bcb2ea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5655d11b23d7a67977b877a6424041be11a03e3c4f931303d71dd2903bcb2ea9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5655d11b23d7a67977b877a6424041be11a03e3c4f931303d71dd2903bcb2ea9", kill_on_drop: false }` [INFO] [stdout] 5655d11b23d7a67977b877a6424041be11a03e3c4f931303d71dd2903bcb2ea9 [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] 042961d1aa136c6ebaaa2a084aba91bef0d3243d50e72f8ca97b4b02492ed1ec [INFO] running `Command { std: "docker" "start" "-a" "042961d1aa136c6ebaaa2a084aba91bef0d3243d50e72f8ca97b4b02492ed1ec", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.92 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking regex-syntax v0.6.23 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Checking lazycell v1.3.0 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking lock_api v0.4.3 [INFO] [stderr] Checking regex-automata v0.1.9 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Checking ansi_term v0.9.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking bitflags v0.9.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking inotify-sys v0.1.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking parking_lot_core v0.8.3 [INFO] [stderr] Checking inotify v0.7.1 [INFO] [stderr] Checking filetime v0.2.14 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking regex v1.4.5 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.6.0 [INFO] [stderr] Checking parking_lot v0.11.1 [INFO] [stderr] Checking predicates v1.0.7 [INFO] [stderr] Checking clap v2.27.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking predicates-tree v1.0.2 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.4.5/src/exec.rs:851:13 [INFO] [stdout] | [INFO] [stdout] 851 | / match dfa::Fsm::reverse( [INFO] [stdout] 852 | | &self.ro.dfa_reverse, [INFO] [stdout] 853 | | self.cache.value(), [INFO] [stdout] 854 | | false, [INFO] [stdout] ... | [INFO] [stdout] 865 | | Quit => return Some(Quit), [INFO] [stdout] 866 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking notify v4.0.15 [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" "042961d1aa136c6ebaaa2a084aba91bef0d3243d50e72f8ca97b4b02492ed1ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "042961d1aa136c6ebaaa2a084aba91bef0d3243d50e72f8ca97b4b02492ed1ec", kill_on_drop: false }` [INFO] [stdout] 042961d1aa136c6ebaaa2a084aba91bef0d3243d50e72f8ca97b4b02492ed1ec