[INFO] fetching crate lqr 0.1.0...
[INFO] checking lqr-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate lqr 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate lqr 0.1.0 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 lqr 0.1.0
[INFO] finished tweaking crates.io crate lqr 0.1.0
[INFO] tweaked toml for crates.io crate lqr 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate lqr 0.1.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded paste v1.0.6
[INFO] [stderr]   Downloaded simba v0.7.1
[INFO] [stderr]   Downloaded nalgebra v0.30.1
[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] e772193f02596a534b181d070438e49ecea2362599e4fc5b11051f3763bd2372
[INFO] running `Command { std: "docker" "start" "-a" "e772193f02596a534b181d070438e49ecea2362599e4fc5b11051f3763bd2372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e772193f02596a534b181d070438e49ecea2362599e4fc5b11051f3763bd2372", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e772193f02596a534b181d070438e49ecea2362599e4fc5b11051f3763bd2372", kill_on_drop: false }`
[INFO] [stdout] e772193f02596a534b181d070438e49ecea2362599e4fc5b11051f3763bd2372
[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] e973c4d232235902132c5f52529d632f09926280b0cc48d5847e7a72788d2afe
[INFO] running `Command { std: "docker" "start" "-a" "e973c4d232235902132c5f52529d632f09926280b0cc48d5847e7a72788d2afe", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking lqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.06s
[INFO] running `Command { std: "docker" "inspect" "e973c4d232235902132c5f52529d632f09926280b0cc48d5847e7a72788d2afe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e973c4d232235902132c5f52529d632f09926280b0cc48d5847e7a72788d2afe", kill_on_drop: false }`
[INFO] [stdout] e973c4d232235902132c5f52529d632f09926280b0cc48d5847e7a72788d2afe
[INFO] checking lqr-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate lqr 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate lqr 0.1.0 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 lqr 0.1.0
[INFO] finished tweaking crates.io crate lqr 0.1.0
[INFO] tweaked toml for crates.io crate lqr 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate lqr 0.1.0 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" "+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] f0d63ee248307e370778d0e69bc04c187bcd2133e490613dd40ad0fecca09481
[INFO] running `Command { std: "docker" "start" "-a" "f0d63ee248307e370778d0e69bc04c187bcd2133e490613dd40ad0fecca09481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0d63ee248307e370778d0e69bc04c187bcd2133e490613dd40ad0fecca09481", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d63ee248307e370778d0e69bc04c187bcd2133e490613dd40ad0fecca09481", kill_on_drop: false }`
[INFO] [stdout] f0d63ee248307e370778d0e69bc04c187bcd2133e490613dd40ad0fecca09481
[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] b6f172b4af365f76c2c0149aff68fa3e92c056b11e887d07dfaff58f4bb53650
[INFO] running `Command { std: "docker" "start" "-a" "b6f172b4af365f76c2c0149aff68fa3e92c056b11e887d07dfaff58f4bb53650", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking bytemuck v1.7.3
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]     Checking safe_arch v0.6.0
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking wide v0.7.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking simba v0.7.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking nalgebra v0.30.1
[INFO] [stderr]     Checking lqr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.33s
[INFO] running `Command { std: "docker" "inspect" "b6f172b4af365f76c2c0149aff68fa3e92c056b11e887d07dfaff58f4bb53650", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6f172b4af365f76c2c0149aff68fa3e92c056b11e887d07dfaff58f4bb53650", kill_on_drop: false }`
[INFO] [stdout] b6f172b4af365f76c2c0149aff68fa3e92c056b11e887d07dfaff58f4bb53650