[INFO] fetching crate alass-cli 2.0.0... [INFO] checking alass-cli-2.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate alass-cli 2.0.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate alass-cli 2.0.0 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 alass-cli 2.0.0 [INFO] finished tweaking crates.io crate alass-cli 2.0.0 [INFO] tweaked toml for crates.io crate alass-cli 2.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate alass-cli 2.0.0 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 num_cpus v1.10.1 [INFO] [stderr] Downloaded safemem v0.2.0 [INFO] [stderr] Downloaded cc v1.0.45 [INFO] [stderr] Downloaded enum_primitive v0.1.1 [INFO] [stderr] Downloaded threadpool v1.7.1 [INFO] [stderr] Downloaded ascii v0.7.1 [INFO] [stderr] Downloaded autocfg v0.1.6 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded regex v0.2.11 [INFO] [stderr] Downloaded vobsub v0.2.3 [INFO] [stderr] Downloaded atty v0.2.13 [INFO] [stderr] Downloaded clap v2.33.0 [INFO] [stderr] Downloaded unicode-width v0.1.6 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded quote v1.0.2 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.16 [INFO] [stderr] Downloaded vec_map v0.8.1 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded error-chain v0.10.0 [INFO] [stderr] Downloaded termion v1.5.3 [INFO] [stderr] Downloaded rand v0.7.2 [INFO] [stderr] Downloaded backtrace-sys v0.1.31 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Downloaded redox_syscall v0.1.56 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded num-rational v0.1.42 [INFO] [stderr] Downloaded log v0.4.8 [INFO] [stderr] Downloaded ucd-util v0.1.5 [INFO] [stderr] Downloaded c2-chacha v0.2.2 [INFO] [stderr] Downloaded getrandom v0.1.12 [INFO] [stderr] Downloaded rmp-serde v0.14.0 [INFO] [stderr] Downloaded backtrace v0.3.38 [INFO] [stderr] Downloaded byteorder v1.3.2 [INFO] [stderr] Downloaded wasi v0.7.0 [INFO] [stderr] Downloaded log v0.3.9 [INFO] [stderr] Downloaded aho-corasick v0.6.10 [INFO] [stderr] Downloaded thread_local v0.3.6 [INFO] [stderr] Downloaded bitflags v1.2.0 [INFO] [stderr] Downloaded ctrlc v3.1.3 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded proc-macro2 v1.0.5 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded num-traits v0.1.43 [INFO] [stderr] Downloaded memchr v2.2.1 [INFO] [stderr] Downloaded utf8-ranges v1.0.4 [INFO] [stderr] Downloaded image v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] e7eea78ab1b271b9fc4a6a8a30ff2daf7cbf324082250bbc18c02704a351b2c6 [INFO] running `Command { std: "docker" "start" "-a" "e7eea78ab1b271b9fc4a6a8a30ff2daf7cbf324082250bbc18c02704a351b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e7eea78ab1b271b9fc4a6a8a30ff2daf7cbf324082250bbc18c02704a351b2c6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7eea78ab1b271b9fc4a6a8a30ff2daf7cbf324082250bbc18c02704a351b2c6", kill_on_drop: false }` [INFO] [stdout] e7eea78ab1b271b9fc4a6a8a30ff2daf7cbf324082250bbc18c02704a351b2c6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ef1359c184e3cd581e1d646f7f8a814fe41579e3b383667495f2cae5dc9f68ba [INFO] running `Command { std: "docker" "start" "-a" "ef1359c184e3cd581e1d646f7f8a814fe41579e3b383667495f2cae5dc9f68ba", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking nom v2.1.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking combine v2.5.2 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling webrtc-vad v0.4.0 [INFO] [stderr] Checking pbr v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking alass-core v2.0.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rmp v0.8.8 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking vobsub v0.2.3 [INFO] [stderr] Compiling serde_derive v1.0.101 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Checking ctrlc v3.1.3 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking subparse v0.6.2 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking rmp-serde v0.14.0 [INFO] [stderr] Checking alass-cli v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/lib.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `codec_long_name` is never read [INFO] [stdout] --> src/video_decoder/ffmpeg_binary.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 36 | struct Stream { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 37 | pub index: usize, [INFO] [stdout] 38 | pub codec_long_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/lib.rs:366:54 [INFO] [stdout] | [INFO] [stdout] 366 | for subtitle_ending in known_subitle_endings.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 366 | for subtitle_ending in known_subitle_endings.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 366 - for subtitle_ending in known_subitle_endings.into_iter() { [INFO] [stdout] 366 + for subtitle_ending in known_subitle_endings { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `codec_long_name` is never read [INFO] [stdout] --> src/video_decoder/ffmpeg_binary.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 36 | struct Stream { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 37 | pub index: usize, [INFO] [stdout] 38 | pub codec_long_name: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Stream` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021 [INFO] [stdout] --> src/lib.rs:366:54 [INFO] [stdout] | [INFO] [stdout] 366 | for subtitle_ending in known_subitle_endings.into_iter() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(array_into_iter)]` on by default [INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity [INFO] [stdout] | [INFO] [stdout] 366 | for subtitle_ending in known_subitle_endings.iter() { [INFO] [stdout] | ~~~~ [INFO] [stdout] help: or remove `.into_iter()` to iterate by value [INFO] [stdout] | [INFO] [stdout] 366 - for subtitle_ending in known_subitle_endings.into_iter() { [INFO] [stdout] 366 + for subtitle_ending in known_subitle_endings { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Result` is imported redundantly [INFO] [stdout] --> src/main.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | use std::result::Result; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Result` is already defined 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: fields `statistics_folder_path_opt` and `statistics_required_tags` are never read [INFO] [stdout] --> examples/generate_statistics_from_database.rs:824:5 [INFO] [stdout] | [INFO] [stdout] 823 | struct RunConfig { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] 824 | statistics_folder_path_opt: Option, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 825 | statistics_required_tags: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RunConfig` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `opensubtitles_metadata` is never read [INFO] [stdout] --> examples/generate_statistics_from_database.rs:3009:13 [INFO] [stdout] | [INFO] [stdout] 3006 | pub struct Subtitle { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 3009 | pub opensubtitles_metadata: OpensubtitlesMetadata, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Subtitle` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.70s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v2.1.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ef1359c184e3cd581e1d646f7f8a814fe41579e3b383667495f2cae5dc9f68ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef1359c184e3cd581e1d646f7f8a814fe41579e3b383667495f2cae5dc9f68ba", kill_on_drop: false }` [INFO] [stdout] ef1359c184e3cd581e1d646f7f8a814fe41579e3b383667495f2cae5dc9f68ba [INFO] checking alass-cli-2.0.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate alass-cli 2.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate alass-cli 2.0.0 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 alass-cli 2.0.0 [INFO] finished tweaking crates.io crate alass-cli 2.0.0 [INFO] tweaked toml for crates.io crate alass-cli 2.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate alass-cli 2.0.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 97d7a09ecb8c3ffaf71e1d670d0cce0b85b4844c30d4a46b08775c2012f13bc6 [INFO] running `Command { std: "docker" "start" "-a" "97d7a09ecb8c3ffaf71e1d670d0cce0b85b4844c30d4a46b08775c2012f13bc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97d7a09ecb8c3ffaf71e1d670d0cce0b85b4844c30d4a46b08775c2012f13bc6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d7a09ecb8c3ffaf71e1d670d0cce0b85b4844c30d4a46b08775c2012f13bc6", kill_on_drop: false }` [INFO] [stdout] 97d7a09ecb8c3ffaf71e1d670d0cce0b85b4844c30d4a46b08775c2012f13bc6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3f15a552be84d68d97f92f9505d73a3c26bd01162091a0d2024c06ccdbd69d7a [INFO] running `Command { std: "docker" "start" "-a" "3f15a552be84d68d97f92f9505d73a3c26bd01162091a0d2024c06ccdbd69d7a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling autocfg v0.1.6 [INFO] [stderr] Compiling cc v1.0.45 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling proc-macro2 v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling bitflags v1.2.0 [INFO] [stderr] Checking rustc-demangle v0.1.16 [INFO] [stderr] Compiling serde v1.0.101 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking ucd-util v0.1.5 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling getrandom v0.1.12 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking unicode-width v0.1.6 [INFO] [stderr] Checking ascii v0.7.1 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking safemem v0.2.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking nom v2.1.0 [INFO] [stderr] Checking itertools v0.8.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking combine v2.5.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking atty v0.2.13 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking alass-core v2.0.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling webrtc-vad v0.4.0 [INFO] [stderr] Checking pbr v1.0.2 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking threadpool v1.7.1 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rmp v0.8.8 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking enum_primitive v0.1.1 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking image v0.13.0 [INFO] [stderr] Checking backtrace v0.3.38 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-0.2.11/src/exec.rs:756:13 [INFO] [stdout] | [INFO] [stdout] 756 | / match dfa::Fsm::reverse( [INFO] [stdout] 757 | | &self.ro.dfa_reverse, [INFO] [stdout] 758 | | self.cache, [INFO] [stdout] 759 | | false, [INFO] [stdout] ... | [INFO] [stdout] 766 | | Quit => return Some(Quit), [INFO] [stdout] 767 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking error-chain v0.10.0 [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" "3f15a552be84d68d97f92f9505d73a3c26bd01162091a0d2024c06ccdbd69d7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f15a552be84d68d97f92f9505d73a3c26bd01162091a0d2024c06ccdbd69d7a", kill_on_drop: false }` [INFO] [stdout] 3f15a552be84d68d97f92f9505d73a3c26bd01162091a0d2024c06ccdbd69d7a