[INFO] fetching crate cogent 0.6.3... [INFO] checking cogent-0.6.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate cogent 0.6.3 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate cogent 0.6.3 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 cogent 0.6.3 [INFO] finished tweaking crates.io crate cogent 0.6.3 [INFO] tweaked toml for crates.io crate cogent 0.6.3 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 60 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding crossterm v0.18.2 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_winapi v0.6.2 (latest: v0.9.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding itertools v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding matrixmultiply v0.2.4 (latest: v0.3.8) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding ndarray v0.13.1 (latest: v0.15.6) [INFO] [stderr] Adding ndarray v0.14.0 (latest: v0.15.6) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [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 redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossterm_winapi v0.6.2 [INFO] [stderr] Downloaded num-complex v0.3.1 [INFO] [stderr] Downloaded parking_lot_core v0.8.6 [INFO] [stderr] Downloaded mnist_read v1.0.1 [INFO] [stderr] Downloaded ntapi v0.3.7 [INFO] [stderr] Downloaded crossterm v0.18.2 [INFO] [stderr] Downloaded ndarray v0.14.0 [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] c849ecdf4eee90c767f299630b8b02d843e73646f1ef58e1933d17f74655719a [INFO] running `Command { std: "docker" "start" "-a" "c849ecdf4eee90c767f299630b8b02d843e73646f1ef58e1933d17f74655719a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c849ecdf4eee90c767f299630b8b02d843e73646f1ef58e1933d17f74655719a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c849ecdf4eee90c767f299630b8b02d843e73646f1ef58e1933d17f74655719a", kill_on_drop: false }` [INFO] [stdout] c849ecdf4eee90c767f299630b8b02d843e73646f1ef58e1933d17f74655719a [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] 47b44d46ccb510ffd7fa914d564f6b3fd78d459300ef454c8e61803c87b97db9 [INFO] running `Command { std: "docker" "start" "-a" "47b44d46ccb510ffd7fa914d564f6b3fd78d459300ef454c8e61803c87b97db9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Checking mnist_read v1.0.1 [INFO] [stderr] Compiling arrayfire v3.8.0 [INFO] [stderr] Checking cogent v0.6.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.97s [INFO] running `Command { std: "docker" "inspect" "47b44d46ccb510ffd7fa914d564f6b3fd78d459300ef454c8e61803c87b97db9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47b44d46ccb510ffd7fa914d564f6b3fd78d459300ef454c8e61803c87b97db9", kill_on_drop: false }` [INFO] [stdout] 47b44d46ccb510ffd7fa914d564f6b3fd78d459300ef454c8e61803c87b97db9 [INFO] checking cogent-0.6.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate cogent 0.6.3 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate cogent 0.6.3 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 cogent 0.6.3 [INFO] finished tweaking crates.io crate cogent 0.6.3 [INFO] tweaked toml for crates.io crate cogent 0.6.3 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 60 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding crossterm v0.18.2 (latest: v0.27.0) [INFO] [stderr] Adding crossterm_winapi v0.6.2 (latest: v0.9.1) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding itertools v0.9.0 (latest: v0.12.1) [INFO] [stderr] Adding matrixmultiply v0.2.4 (latest: v0.3.8) [INFO] [stderr] Adding mio v0.7.14 (latest: v0.8.11) [INFO] [stderr] Adding miow v0.3.7 (latest: v0.6.0) [INFO] [stderr] Adding ndarray v0.13.1 (latest: v0.15.6) [INFO] [stderr] Adding ndarray v0.14.0 (latest: v0.15.6) [INFO] [stderr] Adding ntapi v0.3.7 (latest: v0.4.1) [INFO] [stderr] Adding num v0.2.1 (latest: v0.4.1) [INFO] [stderr] Adding num-bigint v0.2.6 (latest: v0.4.4) [INFO] [stderr] Adding num-complex v0.2.4 (latest: v0.4.5) [INFO] [stderr] Adding num-complex v0.3.1 (latest: v0.4.5) [INFO] [stderr] Adding num-rational v0.2.4 (latest: v0.4.1) [INFO] [stderr] Adding parking_lot v0.11.2 (latest: v0.12.1) [INFO] [stderr] Adding parking_lot_core v0.8.6 (latest: v0.9.9) [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 redox_syscall v0.2.16 (latest: v0.5.1) [INFO] [stderr] Adding rustc_version v0.2.3 (latest: v0.4.0) [INFO] [stderr] Adding semver v0.9.0 (latest: v1.0.22) [INFO] [stderr] Adding semver-parser v0.7.0 (latest: v0.10.2) [INFO] [stderr] Adding signal-hook v0.1.17 (latest: v0.3.17) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] 33f0148955f486dfe39f436e8bfd9eddbd10df45d5297c27dc2158e41838de62 [INFO] running `Command { std: "docker" "start" "-a" "33f0148955f486dfe39f436e8bfd9eddbd10df45d5297c27dc2158e41838de62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "33f0148955f486dfe39f436e8bfd9eddbd10df45d5297c27dc2158e41838de62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "33f0148955f486dfe39f436e8bfd9eddbd10df45d5297c27dc2158e41838de62", kill_on_drop: false }` [INFO] [stdout] 33f0148955f486dfe39f436e8bfd9eddbd10df45d5297c27dc2158e41838de62 [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] ac070b6e96d00c2bac0e097548741c19f5ebe1b00cee6d62d420373edede2e56 [INFO] running `Command { std: "docker" "start" "-a" "ac070b6e96d00c2bac0e097548741c19f5ebe1b00cee6d62d420373edede2e56", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking getrandom v0.1.16 [INFO] [stderr] Compiling ndarray v0.13.1 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking matrixmultiply v0.2.4 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking signal-hook v0.1.17 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossterm v0.18.2 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking num v0.2.1 [INFO] [stderr] Compiling arrayfire v3.8.0 [INFO] [stderr] Checking mnist_read v1.0.1 [INFO] [stderr] Checking cogent v0.6.3 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.38s [INFO] running `Command { std: "docker" "inspect" "ac070b6e96d00c2bac0e097548741c19f5ebe1b00cee6d62d420373edede2e56", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac070b6e96d00c2bac0e097548741c19f5ebe1b00cee6d62d420373edede2e56", kill_on_drop: false }` [INFO] [stdout] ac070b6e96d00c2bac0e097548741c19f5ebe1b00cee6d62d420373edede2e56