[INFO] fetching crate sml-rs 0.3.0... [INFO] checking sml-rs-0.3.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate sml-rs 0.3.0 into /workspace/builds/worker-5-tc1/source [INFO] validating manifest of crates.io crate sml-rs 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 sml-rs 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate sml-rs 0.3.0 [INFO] tweaked toml for crates.io crate sml-rs 0.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate crates.io crate sml-rs 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] Downloading crates ... [INFO] [stderr] Downloaded hex-literal v0.3.4 [INFO] [stderr] Downloaded crc v3.0.0 [INFO] [stderr] Downloaded crc-catalog v2.2.0 [INFO] [stderr] Downloaded globset v0.4.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 0f95e19cfc59d095728c931072354363a313487ff9f89aa3744edd56565f82ab [INFO] running `Command { std: "docker" "start" "-a" "0f95e19cfc59d095728c931072354363a313487ff9f89aa3744edd56565f82ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0f95e19cfc59d095728c931072354363a313487ff9f89aa3744edd56565f82ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0f95e19cfc59d095728c931072354363a313487ff9f89aa3744edd56565f82ab", kill_on_drop: false }` [INFO] [stdout] 0f95e19cfc59d095728c931072354363a313487ff9f89aa3744edd56565f82ab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a8c61c6f4a4f978f2e4e137bb4a89da45e4f228a9c444a21515ee2966916a621 [INFO] running `Command { std: "docker" "start" "-a" "a8c61c6f4a4f978f2e4e137bb4a89da45e4f228a9c444a21515ee2966916a621", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking crc-catalog v2.2.0 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Checking bstr v1.1.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking crc v3.0.0 [INFO] [stderr] Checking similar v2.2.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Checking sml-rs v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/parser/complete.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/transport.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/parser/complete.rs:74:31 [INFO] [stdout] | [INFO] [stdout] 74 | let input_orig = input.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking console v0.15.5 [INFO] [stderr] Checking globset v0.4.10 [INFO] [stderr] Checking insta v1.26.0 [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> tests/libsml-testing.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` 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: the item `Vec` is imported redundantly [INFO] [stdout] --> src/parser/complete.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/parser/complete.rs:74:31 [INFO] [stdout] | [INFO] [stdout] 74 | let input_orig = input.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.72s [INFO] running `Command { std: "docker" "inspect" "a8c61c6f4a4f978f2e4e137bb4a89da45e4f228a9c444a21515ee2966916a621", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8c61c6f4a4f978f2e4e137bb4a89da45e4f228a9c444a21515ee2966916a621", kill_on_drop: false }` [INFO] [stdout] a8c61c6f4a4f978f2e4e137bb4a89da45e4f228a9c444a21515ee2966916a621 [INFO] checking sml-rs-0.3.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate sml-rs 0.3.0 into /workspace/builds/worker-5-tc2/source [INFO] validating manifest of crates.io crate sml-rs 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 sml-rs 0.3.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate sml-rs 0.3.0 [INFO] tweaked toml for crates.io crate sml-rs 0.3.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate crates.io crate sml-rs 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2ce567bad19d606d8b2fb575c8fe0203312142890088550209337b7b58ff2a95 [INFO] running `Command { std: "docker" "start" "-a" "2ce567bad19d606d8b2fb575c8fe0203312142890088550209337b7b58ff2a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ce567bad19d606d8b2fb575c8fe0203312142890088550209337b7b58ff2a95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ce567bad19d606d8b2fb575c8fe0203312142890088550209337b7b58ff2a95", kill_on_drop: false }` [INFO] [stdout] 2ce567bad19d606d8b2fb575c8fe0203312142890088550209337b7b58ff2a95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 851fbe43409076ee8ce0bf54edde8a295963f804b91ad357b44ff425ba177c57 [INFO] running `Command { std: "docker" "start" "-a" "851fbe43409076ee8ce0bf54edde8a295963f804b91ad357b44ff425ba177c57", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Checking aho-corasick v0.7.20 [INFO] [stderr] Compiling serde v1.0.152 [INFO] [stderr] Checking regex-syntax v0.6.28 [INFO] [stderr] Checking bstr v1.1.0 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking crc-catalog v2.2.0 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking crc v3.0.0 [INFO] [stderr] Checking similar v2.2.1 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking sml-rs v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/parser/complete.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/transport.rs:36:5 [INFO] [stdout] | [INFO] [stdout] 36 | use alloc::vec::Vec; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing [INFO] [stdout] --> src/parser/complete.rs:74:31 [INFO] [stdout] | [INFO] [stdout] 74 | let input_orig = input.clone(); [INFO] [stdout] | ^^^^^^^^ help: remove this redundant call [INFO] [stdout] | [INFO] [stdout] = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed [INFO] [stdout] = note: `#[warn(noop_method_call)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.7.1 [INFO] [stderr] Checking console v0.15.5 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.7.1/src/exec.rs:848:13 [INFO] [stdout] | [INFO] [stdout] 848 | / match dfa::Fsm::reverse( [INFO] [stdout] 849 | | &self.ro.dfa_reverse, [INFO] [stdout] 850 | | self.cache.value(), [INFO] [stdout] 851 | | false, [INFO] [stdout] ... | [INFO] [stdout] 862 | | Quit => return Some(Quit), [INFO] [stdout] 863 | | }; [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" "851fbe43409076ee8ce0bf54edde8a295963f804b91ad357b44ff425ba177c57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "851fbe43409076ee8ce0bf54edde8a295963f804b91ad357b44ff425ba177c57", kill_on_drop: false }` [INFO] [stdout] 851fbe43409076ee8ce0bf54edde8a295963f804b91ad357b44ff425ba177c57