[INFO] fetching crate kessler 0.1.4...
[INFO] checking kessler-0.1.4 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate kessler 0.1.4 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate kessler 0.1.4 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 kessler 0.1.4
[INFO] finished tweaking crates.io crate kessler 0.1.4
[INFO] tweaked toml for crates.io crate kessler 0.1.4 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 112 packages
[INFO] [stderr]       Adding approx v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding blas-src v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding dirs v3.0.2 (latest: v5.0.1)
[INFO] [stderr]       Adding dirs-sys v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding foreign-types v0.3.2 (latest: v0.5.0)
[INFO] [stderr]       Adding foreign-types-shared v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding lapack v0.18.0 (latest: v0.19.0)
[INFO] [stderr]       Adding lapack-sys v0.12.1 (latest: v0.14.0)
[INFO] [stderr]       Adding lax v0.2.0 (latest: v0.16.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding matrixmultiply v0.2.4 (latest: v0.3.8)
[INFO] [stderr]       Adding ndarray v0.14.0 (latest: v0.15.6)
[INFO] [stderr]       Adding ndarray-linalg v0.14.1 (latest: v0.16.0)
[INFO] [stderr]       Adding ndarray-rand v0.13.0 (latest: v0.14.0)
[INFO] [stderr]       Adding num-complex v0.3.1 (latest: v0.4.5)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding wasi v0.11.0+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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded rustls-pemfile v2.1.1
[INFO] [stderr]   Downloaded rustls-native-certs v0.7.0
[INFO] [stderr]   Downloaded openblas-build v0.10.9
[INFO] [stderr]   Downloaded matrixmultiply v0.2.4
[INFO] [stderr]   Downloaded blas-src v0.8.0
[INFO] [stderr]   Downloaded lapack-sys v0.12.1
[INFO] [stderr]   Downloaded lax v0.2.0
[INFO] [stderr]   Downloaded cblas-sys v0.1.4
[INFO] [stderr]   Downloaded cauchy v0.4.0
[INFO] [stderr]   Downloaded openblas-src v0.10.9
[INFO] [stderr]   Downloaded lapack v0.18.0
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded ndarray-linalg v0.14.1
[INFO] [stderr]   Downloaded ndarray v0.15.6
[INFO] [stderr]   Downloaded ndarray-rand v0.13.0
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 693fb8298b7c1841f8fa6204e6ee514f430edc70935e697aaf7a0b3c16d4e8dc
[INFO] running `Command { std: "docker" "start" "-a" "693fb8298b7c1841f8fa6204e6ee514f430edc70935e697aaf7a0b3c16d4e8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "693fb8298b7c1841f8fa6204e6ee514f430edc70935e697aaf7a0b3c16d4e8dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "693fb8298b7c1841f8fa6204e6ee514f430edc70935e697aaf7a0b3c16d4e8dc", kill_on_drop: false }`
[INFO] [stdout] 693fb8298b7c1841f8fa6204e6ee514f430edc70935e697aaf7a0b3c16d4e8dc
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d05c1adf945df9b9973aa229572594ae2e6925338e3fe2e1694de4e17f63ea6
[INFO] running `Command { std: "docker" "start" "-a" "8d05c1adf945df9b9973aa229572594ae2e6925338e3fe2e1694de4e17f63ea6", kill_on_drop: false }`
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.102
[INFO] [stderr]    Compiling openssl v0.10.64
[INFO] [stderr]    Compiling unicode-bidi v0.3.15
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling openssl-probe v0.1.5
[INFO] [stderr]    Compiling rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling percent-encoding v2.3.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]    Compiling xattr v1.3.1
[INFO] [stderr]    Compiling filetime v0.2.23
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling form_urlencoded v1.2.1
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling dirs-sys v0.3.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling rustls-pemfile v2.1.1
[INFO] [stderr]    Compiling tar v0.4.40
[INFO] [stderr]     Checking lapack-sys v0.12.1
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling ndarray v0.14.0
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling rustls-native-certs v0.7.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking cblas-sys v0.1.4
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling native-tls v0.2.11
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]     Checking ndarray-rand v0.13.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling openssl-macros v0.1.1
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking cauchy v0.4.0
[INFO] [stderr]     Checking lapack v0.18.0
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking lax v0.2.0
[INFO] [stderr]     Checking ndarray-linalg v0.14.1
[INFO] [stderr]    Compiling ureq v2.9.6
[INFO] [stderr]    Compiling openblas-build v0.10.9
[INFO] [stderr]    Compiling openblas-src v0.10.9
[INFO] [stderr]     Checking blas-src v0.8.0
[INFO] [stderr]     Checking kessler v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s
[INFO] running `Command { std: "docker" "inspect" "8d05c1adf945df9b9973aa229572594ae2e6925338e3fe2e1694de4e17f63ea6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d05c1adf945df9b9973aa229572594ae2e6925338e3fe2e1694de4e17f63ea6", kill_on_drop: false }`
[INFO] [stdout] 8d05c1adf945df9b9973aa229572594ae2e6925338e3fe2e1694de4e17f63ea6