[INFO] fetching crate strict-yaml-rust 0.1.2... [INFO] checking strict-yaml-rust-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate strict-yaml-rust 0.1.2 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate strict-yaml-rust 0.1.2 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 strict-yaml-rust 0.1.2 [INFO] finished tweaking crates.io crate strict-yaml-rust 0.1.2 [INFO] tweaked toml for crates.io crate strict-yaml-rust 0.1.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate strict-yaml-rust 0.1.2 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] 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] 6dc4b4387c8b860967b9f622b1b0f87a50fffe26fb8fd6b242a2a9262ac02156 [INFO] running `Command { std: "docker" "start" "-a" "6dc4b4387c8b860967b9f622b1b0f87a50fffe26fb8fd6b242a2a9262ac02156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6dc4b4387c8b860967b9f622b1b0f87a50fffe26fb8fd6b242a2a9262ac02156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6dc4b4387c8b860967b9f622b1b0f87a50fffe26fb8fd6b242a2a9262ac02156", kill_on_drop: false }` [INFO] [stdout] 6dc4b4387c8b860967b9f622b1b0f87a50fffe26fb8fd6b242a2a9262ac02156 [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] f7355f174736182e5059389f00464941fa15f910833e283411ddb0c39122892c [INFO] running `Command { std: "docker" "start" "-a" "f7355f174736182e5059389f00464941fa15f910833e283411ddb0c39122892c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking strict-yaml-rust v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/emitter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `marks` and `anchor_id` are never read [INFO] [stdout] --> src/parser.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | marks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | anchor_id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking quickcheck v0.9.2 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/emitter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `marks` and `anchor_id` are never read [INFO] [stdout] --> src/parser.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | marks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | anchor_id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.11s [INFO] running `Command { std: "docker" "inspect" "f7355f174736182e5059389f00464941fa15f910833e283411ddb0c39122892c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7355f174736182e5059389f00464941fa15f910833e283411ddb0c39122892c", kill_on_drop: false }` [INFO] [stdout] f7355f174736182e5059389f00464941fa15f910833e283411ddb0c39122892c [INFO] checking strict-yaml-rust-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate strict-yaml-rust 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate strict-yaml-rust 0.1.2 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 strict-yaml-rust 0.1.2 [INFO] finished tweaking crates.io crate strict-yaml-rust 0.1.2 [INFO] tweaked toml for crates.io crate strict-yaml-rust 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate strict-yaml-rust 0.1.2 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] ec2e12af072323655ec0232b3e7580f615e62f27490388e755b88668607feb5c [INFO] running `Command { std: "docker" "start" "-a" "ec2e12af072323655ec0232b3e7580f615e62f27490388e755b88668607feb5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ec2e12af072323655ec0232b3e7580f615e62f27490388e755b88668607feb5c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ec2e12af072323655ec0232b3e7580f615e62f27490388e755b88668607feb5c", kill_on_drop: false }` [INFO] [stdout] ec2e12af072323655ec0232b3e7580f615e62f27490388e755b88668607feb5c [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] ca5ced1489761247121d21cfd41438fcfc528864a09f81f377bb2f385ad6d6ae [INFO] running `Command { std: "docker" "start" "-a" "ca5ced1489761247121d21cfd41438fcfc528864a09f81f377bb2f385ad6d6ae", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking strict-yaml-rust v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/emitter.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::convert::From; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/prelude/mod.rs:124:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `marks` and `anchor_id` are never read [INFO] [stdout] --> src/parser.rs:56:5 [INFO] [stdout] | [INFO] [stdout] 51 | pub struct Parser { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 56 | marks: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 62 | anchor_id: usize, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Parser` 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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.5.6/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] running `Command { std: "docker" "inspect" "ca5ced1489761247121d21cfd41438fcfc528864a09f81f377bb2f385ad6d6ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca5ced1489761247121d21cfd41438fcfc528864a09f81f377bb2f385ad6d6ae", kill_on_drop: false }` [INFO] [stdout] ca5ced1489761247121d21cfd41438fcfc528864a09f81f377bb2f385ad6d6ae