[INFO] fetching crate riker-patterns 0.4.2... [INFO] checking riker-patterns-0.4.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate riker-patterns 0.4.2 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate riker-patterns 0.4.2 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 riker-patterns 0.4.2 [INFO] finished tweaking crates.io crate riker-patterns 0.4.2 [INFO] tweaked toml for crates.io crate riker-patterns 0.4.2 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 103 packages [INFO] [stderr] Adding ahash v0.3.8 (latest: v0.8.11) [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding config v0.10.1 (latest: v0.14.0) [INFO] [stderr] Adding dashmap v3.11.10 (latest: v5.5.3) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding lexical-core v0.7.6 (latest: v0.8.5) [INFO] [stderr] Adding linked-hash-map v0.3.0 (latest: v0.5.6) [INFO] [stderr] Adding nom v5.1.3 (latest: v7.1.3) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [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 rust-ini v0.13.0 (latest: v0.21.0) [INFO] [stderr] Adding serde v0.8.23 (latest: v1.0.197) [INFO] [stderr] Adding serde_test v0.8.23 (latest: v1.0.176) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [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 wasi v0.11.0+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 slog-stdlog v4.1.1 [INFO] [stderr] Downloaded dashmap v3.11.10 [INFO] [stderr] Downloaded riker v0.4.2 [INFO] [stderr] Downloaded ahash v0.3.8 [INFO] [stderr] Downloaded slog-scope v4.4.0 [INFO] [stderr] Downloaded riker-macros v0.2.0 [INFO] [stderr] Downloaded riker-testkit v0.1.0 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e70c4d3bf4ee0e686b602980efae5ea3a73596afe3ecf913fee7da7701107317 [INFO] running `Command { std: "docker" "start" "-a" "e70c4d3bf4ee0e686b602980efae5ea3a73596afe3ecf913fee7da7701107317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e70c4d3bf4ee0e686b602980efae5ea3a73596afe3ecf913fee7da7701107317", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e70c4d3bf4ee0e686b602980efae5ea3a73596afe3ecf913fee7da7701107317", kill_on_drop: false }` [INFO] [stdout] e70c4d3bf4ee0e686b602980efae5ea3a73596afe3ecf913fee7da7701107317 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99d0322bc7821b6ae56c626d06fcbd6264dd13518e4e75daeffa3195c5a38530 [INFO] running `Command { std: "docker" "start" "-a" "99d0322bc7821b6ae56c626d06fcbd6264dd13518e4e75daeffa3195c5a38530", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Compiling nom v5.1.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking const-random v0.1.18 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking dashmap v3.11.10 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking riker-testkit v0.1.0 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Compiling riker-macros v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking riker v0.4.2 [INFO] [stderr] Checking riker-patterns v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 34.19s [INFO] running `Command { std: "docker" "inspect" "99d0322bc7821b6ae56c626d06fcbd6264dd13518e4e75daeffa3195c5a38530", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99d0322bc7821b6ae56c626d06fcbd6264dd13518e4e75daeffa3195c5a38530", kill_on_drop: false }` [INFO] [stdout] 99d0322bc7821b6ae56c626d06fcbd6264dd13518e4e75daeffa3195c5a38530 [INFO] checking riker-patterns-0.4.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate riker-patterns 0.4.2 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate riker-patterns 0.4.2 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 riker-patterns 0.4.2 [INFO] finished tweaking crates.io crate riker-patterns 0.4.2 [INFO] tweaked toml for crates.io crate riker-patterns 0.4.2 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 103 packages [INFO] [stderr] Adding ahash v0.3.8 (latest: v0.8.11) [INFO] [stderr] Adding arrayvec v0.5.2 (latest: v0.7.4) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cfg-if v0.1.10 (latest: v1.0.0) [INFO] [stderr] Adding config v0.10.1 (latest: v0.14.0) [INFO] [stderr] Adding dashmap v3.11.10 (latest: v5.5.3) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding lexical-core v0.7.6 (latest: v0.8.5) [INFO] [stderr] Adding linked-hash-map v0.3.0 (latest: v0.5.6) [INFO] [stderr] Adding nom v5.1.3 (latest: v7.1.3) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.18) [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [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 rust-ini v0.13.0 (latest: v0.21.0) [INFO] [stderr] Adding serde v0.8.23 (latest: v1.0.197) [INFO] [stderr] Adding serde_test v0.8.23 (latest: v1.0.176) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding toml v0.5.11 (latest: v0.8.12) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [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 wasi v0.11.0+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-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1a4236b2ff7804213030857c04728874c086de5c171ec68fa2e9463f903124f4 [INFO] running `Command { std: "docker" "start" "-a" "1a4236b2ff7804213030857c04728874c086de5c171ec68fa2e9463f903124f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1a4236b2ff7804213030857c04728874c086de5c171ec68fa2e9463f903124f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1a4236b2ff7804213030857c04728874c086de5c171ec68fa2e9463f903124f4", kill_on_drop: false }` [INFO] [stdout] 1a4236b2ff7804213030857c04728874c086de5c171ec68fa2e9463f903124f4 [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2dc8de5182d162d4055a3dc3973ac377c5216da3654612608c1528c6fd8766dc [INFO] running `Command { std: "docker" "start" "-a" "2dc8de5182d162d4055a3dc3973ac377c5216da3654612608c1528c6fd8766dc", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling lexical-core v0.7.6 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling nom v5.1.3 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Compiling const-random-macro v0.1.16 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking arc-swap v1.7.1 [INFO] [stderr] Checking const-random v0.1.18 [INFO] [stderr] Checking linked-hash-map v0.5.6 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking slog-scope v4.4.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking dashmap v3.11.10 [INFO] [stderr] Checking slog-stdlog v4.1.1 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking riker-testkit v0.1.0 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Checking serde-hjson v0.9.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking config v0.10.1 [INFO] [stderr] Compiling riker-macros v0.2.0 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking riker v0.4.2 [INFO] [stderr] Checking riker-patterns v0.4.2 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 36.69s [INFO] running `Command { std: "docker" "inspect" "2dc8de5182d162d4055a3dc3973ac377c5216da3654612608c1528c6fd8766dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2dc8de5182d162d4055a3dc3973ac377c5216da3654612608c1528c6fd8766dc", kill_on_drop: false }` [INFO] [stdout] 2dc8de5182d162d4055a3dc3973ac377c5216da3654612608c1528c6fd8766dc