[INFO] fetching crate zeroable_derive 0.2.0... [INFO] checking zeroable_derive-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate zeroable_derive 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate zeroable_derive 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 zeroable_derive 0.2.0 [INFO] finished tweaking crates.io crate zeroable_derive 0.2.0 [INFO] tweaked toml for crates.io crate zeroable_derive 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 11 packages [INFO] [stderr] Adding aho-corasick v0.7.20 (latest: v1.1.3) [INFO] [stderr] Adding regex v1.2.1 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.6.29 (latest: v0.8.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [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 regex v1.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1a5472cf2630445970bfe9b87ee207fb24ea43eb75a5caf280eb3f1301b32b56 [INFO] running `Command { std: "docker" "start" "-a" "1a5472cf2630445970bfe9b87ee207fb24ea43eb75a5caf280eb3f1301b32b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a5472cf2630445970bfe9b87ee207fb24ea43eb75a5caf280eb3f1301b32b56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a5472cf2630445970bfe9b87ee207fb24ea43eb75a5caf280eb3f1301b32b56", kill_on_drop: false }` [INFO] [stdout] 1a5472cf2630445970bfe9b87ee207fb24ea43eb75a5caf280eb3f1301b32b56 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 062a870391245aa131e9effd2cee70e0939989fee13ab287df5ce0bf4c0d75da [INFO] running `Command { std: "docker" "start" "-a" "062a870391245aa131e9effd2cee70e0939989fee13ab287df5ce0bf4c0d75da", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking proc-macro2 v1.0.79 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking zeroable_derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/datastructure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | self, Attribute, Data, DeriveInput, Field as SynField, Fields as SynFields, Generics, Ident, [INFO] [stdout] | ^^^^ the item `syn` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/zeroable_macro.rs:222:6 [INFO] [stdout] | [INFO] [stdout] 222 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/datastructure.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 132 | pub struct Struct<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 144 | pub name: &'a Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Struct` has a derived impl for the trait `Clone`, 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/datastructure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | self, Attribute, Data, DeriveInput, Field as SynField, Fields as SynFields, Generics, Ident, [INFO] [stdout] | ^^^^ the item `syn` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/zeroable_macro.rs:222:6 [INFO] [stdout] | [INFO] [stdout] 222 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/datastructure.rs:144:9 [INFO] [stdout] | [INFO] [stdout] 132 | pub struct Struct<'a> { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 144 | pub name: &'a Ident, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Struct` has a derived impl for the trait `Clone`, 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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.72s [INFO] running `Command { std: "docker" "inspect" "062a870391245aa131e9effd2cee70e0939989fee13ab287df5ce0bf4c0d75da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "062a870391245aa131e9effd2cee70e0939989fee13ab287df5ce0bf4c0d75da", kill_on_drop: false }` [INFO] [stdout] 062a870391245aa131e9effd2cee70e0939989fee13ab287df5ce0bf4c0d75da [INFO] checking zeroable_derive-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate zeroable_derive 0.2.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate zeroable_derive 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 zeroable_derive 0.2.0 [INFO] finished tweaking crates.io crate zeroable_derive 0.2.0 [INFO] tweaked toml for crates.io crate zeroable_derive 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1a6c7b7ff542ce7f4f7d175b4580fb12a47ddaae7993c6710943fb585ea9eab8 [INFO] running `Command { std: "docker" "start" "-a" "1a6c7b7ff542ce7f4f7d175b4580fb12a47ddaae7993c6710943fb585ea9eab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a6c7b7ff542ce7f4f7d175b4580fb12a47ddaae7993c6710943fb585ea9eab8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a6c7b7ff542ce7f4f7d175b4580fb12a47ddaae7993c6710943fb585ea9eab8", kill_on_drop: false }` [INFO] [stdout] 1a6c7b7ff542ce7f4f7d175b4580fb12a47ddaae7993c6710943fb585ea9eab8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] eb0f9844bc63fe8414b33e84d6385c159f84510510ef7c47e3918766c9900345 [INFO] running `Command { std: "docker" "start" "-a" "eb0f9844bc63fe8414b33e84d6385c159f84510510ef7c47e3918766c9900345", kill_on_drop: false }` [INFO] [stderr] Checking unicode-ident v1.0.12 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking regex-syntax v0.6.29 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking proc-macro2 v1.0.79 [INFO] [stderr] Checking quote v1.0.35 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking syn v1.0.109 [INFO] [stderr] Checking zeroable_derive v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex v1.2.1 [INFO] [stdout] warning: the item `syn` is imported redundantly [INFO] [stdout] --> src/datastructure.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | self, Attribute, Data, DeriveInput, Field as SynField, Fields as SynFields, Generics, Ident, [INFO] [stdout] | ^^^^ the item `syn` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/zeroable_macro.rs:222:6 [INFO] [stdout] | [INFO] [stdout] 222 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/macros.rs:11:34 [INFO] [stdout] | [INFO] [stdout] 11 | ( $e:expr, $($fmt:tt)* ) => ({ [INFO] [stdout] | __________________________________^ [INFO] [stdout] 12 | | return Err(crate::utils::spanned_err( [INFO] [stdout] 13 | | &$e, [INFO] [stdout] 14 | | &format!($($fmt)*), [INFO] [stdout] 15 | | )) [INFO] [stdout] 16 | | }) [INFO] [stdout] | |_____^ cannot infer type [INFO] [stdout] | [INFO] [stdout] ::: src/attribute_parsing_shared.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | / return_spanned_err!( [INFO] [stdout] 19 | | lit, [INFO] [stdout] 20 | | "the #[{}(...)] attribute does not allow literals in the attribute list", [INFO] [stdout] 21 | | attr_name, [INFO] [stdout] 22 | | ); [INFO] [stdout] | |_________________- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `return_spanned_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `zeroable_derive` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.2.1/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] running `Command { std: "docker" "inspect" "eb0f9844bc63fe8414b33e84d6385c159f84510510ef7c47e3918766c9900345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb0f9844bc63fe8414b33e84d6385c159f84510510ef7c47e3918766c9900345", kill_on_drop: false }` [INFO] [stdout] eb0f9844bc63fe8414b33e84d6385c159f84510510ef7c47e3918766c9900345