[INFO] fetching crate gherkin_rust 0.10.1... [INFO] checking gherkin_rust-0.10.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate gherkin_rust 0.10.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate gherkin_rust 0.10.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gherkin_rust 0.10.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate gherkin_rust 0.10.1 [INFO] tweaked toml for crates.io crate gherkin_rust 0.10.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 142 packages [INFO] [stderr] Adding ascii v0.9.3 (latest: v1.1.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bson v1.2.4 (latest: v2.10.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding combine v3.8.1 (latest: v4.6.6) [INFO] [stderr] Adding cucumber_rust v0.8.4 (latest: v0.10.0) [INFO] [stderr] Adding derive_utils v0.11.2 (latest: v0.14.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding globwalk v0.8.1 (latest: v0.9.1) [INFO] [stderr] Adding graphql-parser v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding juniper v0.15.12 (latest: v0.16.1) [INFO] [stderr] Adding juniper_codegen v0.15.9 (latest: v0.16.0) [INFO] [stderr] Adding peg v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding peg-macros v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding peg-runtime v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding terminal_size v0.1.17 (latest: v0.3.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding textwrap v0.12.1 (latest: v0.16.1) [INFO] [stderr] Adding typed-builder v0.7.1 (latest: v0.18.1) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded peg-runtime v0.6.3 [INFO] [stderr] Downloaded typed-builder v0.7.1 [INFO] [stderr] Downloaded juniper_codegen v0.15.9 [INFO] [stderr] Downloaded shh v1.0.1 [INFO] [stderr] Downloaded unreachable v1.0.0 [INFO] [stderr] Downloaded futures-enum v0.1.17 [INFO] [stderr] Downloaded peg v0.6.3 [INFO] [stderr] Downloaded cucumber_rust v0.8.4 [INFO] [stderr] Downloaded gherkin_rust v0.10.1 [INFO] [stderr] Downloaded combine v3.8.1 [INFO] [stderr] Downloaded juniper v0.15.12 [INFO] [stderr] Downloaded bson v1.2.4 [INFO] [stderr] Downloaded derive_utils v0.11.2 [INFO] [stderr] Downloaded ascii v0.9.3 [INFO] [stderr] Downloaded graphql-parser v0.3.0 [INFO] [stderr] Downloaded peg-macros v0.6.3 [INFO] [stderr] Downloaded cute_custom_default v2.1.0 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3dd3e16cc3ef27c1bb9d19eee78e1d717eee533c2461fa31df12781b31962fef [INFO] running `Command { std: "docker" "start" "-a" "3dd3e16cc3ef27c1bb9d19eee78e1d717eee533c2461fa31df12781b31962fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3dd3e16cc3ef27c1bb9d19eee78e1d717eee533c2461fa31df12781b31962fef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3dd3e16cc3ef27c1bb9d19eee78e1d717eee533c2461fa31df12781b31962fef", kill_on_drop: false }` [INFO] [stdout] 3dd3e16cc3ef27c1bb9d19eee78e1d717eee533c2461fa31df12781b31962fef [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fde42bd214ee50b23751f1689bbf7044528cacd28bd78bdda8e2d00c235ea2ec [INFO] running `Command { std: "docker" "start" "-a" "fde42bd214ee50b23751f1689bbf7044528cacd28bd78bdda8e2d00c235ea2ec", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling typed-builder v0.7.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling cute_custom_default v2.1.0 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking shh v1.0.1 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Compiling gherkin_rust v0.10.1 [INFO] [stderr] Compiling gherkin_rust v0.10.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking cucumber_rust v0.8.4 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.77s [INFO] running `Command { std: "docker" "inspect" "fde42bd214ee50b23751f1689bbf7044528cacd28bd78bdda8e2d00c235ea2ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fde42bd214ee50b23751f1689bbf7044528cacd28bd78bdda8e2d00c235ea2ec", kill_on_drop: false }` [INFO] [stdout] fde42bd214ee50b23751f1689bbf7044528cacd28bd78bdda8e2d00c235ea2ec [INFO] checking gherkin_rust-0.10.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate gherkin_rust 0.10.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate gherkin_rust 0.10.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate gherkin_rust 0.10.1 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate gherkin_rust 0.10.1 [INFO] tweaked toml for crates.io crate gherkin_rust 0.10.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 142 packages [INFO] [stderr] Adding ascii v0.9.3 (latest: v1.1.0) [INFO] [stderr] Adding base64 v0.13.1 (latest: v0.22.0) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bson v1.2.4 (latest: v2.10.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding combine v3.8.1 (latest: v4.6.6) [INFO] [stderr] Adding cucumber_rust v0.8.4 (latest: v0.10.0) [INFO] [stderr] Adding derive_utils v0.11.2 (latest: v0.14.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding globwalk v0.8.1 (latest: v0.9.1) [INFO] [stderr] Adding graphql-parser v0.3.0 (latest: v0.4.0) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.3.3 (latest: v0.5.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding juniper v0.15.12 (latest: v0.16.1) [INFO] [stderr] Adding juniper_codegen v0.15.9 (latest: v0.16.0) [INFO] [stderr] Adding peg v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding peg-macros v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding peg-runtime v0.6.3 (latest: v0.8.2) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding terminal_size v0.1.17 (latest: v0.3.0) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding textwrap v0.12.1 (latest: v0.16.1) [INFO] [stderr] Adding typed-builder v0.7.1 (latest: v0.18.1) [INFO] [stderr] Adding uuid v0.8.2 (latest: v1.8.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bc05598c00503d0cea1557a870c02142c2a9dccce1c87ac6ff39ff0fe8f94678 [INFO] running `Command { std: "docker" "start" "-a" "bc05598c00503d0cea1557a870c02142c2a9dccce1c87ac6ff39ff0fe8f94678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bc05598c00503d0cea1557a870c02142c2a9dccce1c87ac6ff39ff0fe8f94678", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bc05598c00503d0cea1557a870c02142c2a9dccce1c87ac6ff39ff0fe8f94678", kill_on_drop: false }` [INFO] [stdout] bc05598c00503d0cea1557a870c02142c2a9dccce1c87ac6ff39ff0fe8f94678 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 26f070835c04f215eb9907843488a4b1b6edb4bcb7f15d315f300d611ca63a54 [INFO] running `Command { std: "docker" "start" "-a" "26f070835c04f215eb9907843488a4b1b6edb4bcb7f15d315f300d611ca63a54", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling serde_json v1.0.115 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling ryu v1.0.17 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling peg-runtime v0.6.3 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Compiling typed-builder v0.7.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling async-stream-impl v0.3.5 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking async-stream v0.3.5 [INFO] [stderr] Compiling async-trait v0.1.79 [INFO] [stderr] Compiling cute_custom_default v2.1.0 [INFO] [stderr] Checking peg v0.6.3 [INFO] [stderr] Checking shh v1.0.1 [INFO] [stderr] Checking pathdiff v0.2.1 [INFO] [stderr] Checking thiserror v1.0.58 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Compiling gherkin_rust v0.10.1 [INFO] [stderr] Compiling gherkin_rust v0.10.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking cucumber_rust v0.8.4 [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 29.26s [INFO] running `Command { std: "docker" "inspect" "26f070835c04f215eb9907843488a4b1b6edb4bcb7f15d315f300d611ca63a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "26f070835c04f215eb9907843488a4b1b6edb4bcb7f15d315f300d611ca63a54", kill_on_drop: false }` [INFO] [stdout] 26f070835c04f215eb9907843488a4b1b6edb4bcb7f15d315f300d611ca63a54