[INFO] fetching crate sane-array 0.1.3...
[INFO] checking sane-array-0.1.3 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate sane-array 0.1.3 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate sane-array 0.1.3 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 sane-array 0.1.3
[INFO] finished tweaking crates.io crate sane-array 0.1.3
[INFO] tweaked toml for crates.io crate sane-array 0.1.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate sane-array 0.1.3 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a5ae410cd0ea1c7974d53241ba6aea5d06b783e4faa4d0a22a7c148ee287d5ac
[INFO] running `Command { std: "docker" "start" "-a" "a5ae410cd0ea1c7974d53241ba6aea5d06b783e4faa4d0a22a7c148ee287d5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5ae410cd0ea1c7974d53241ba6aea5d06b783e4faa4d0a22a7c148ee287d5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ae410cd0ea1c7974d53241ba6aea5d06b783e4faa4d0a22a7c148ee287d5ac", kill_on_drop: false }`
[INFO] [stdout] a5ae410cd0ea1c7974d53241ba6aea5d06b783e4faa4d0a22a7c148ee287d5ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6f302add24a571922117643f5d7502eaec12b3d57c576e3a9f26c6999f30381c
[INFO] running `Command { std: "docker" "start" "-a" "6f302add24a571922117643f5d7502eaec12b3d57c576e3a9f26c6999f30381c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking regex-syntax v0.7.4
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling matrixmultiply v0.3.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking aho-corasick v1.0.4
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-automata v0.3.6
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.3
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]     Checking regex v1.9.3
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]     Checking sane-array v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ndarray` is imported redundantly
[INFO] [stdout]  --> examples/write_arrays.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ndarray::{self, Dimension};
[INFO] [stdout]   |               ^^^^ the item `ndarray` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.06s
[INFO] running `Command { std: "docker" "inspect" "6f302add24a571922117643f5d7502eaec12b3d57c576e3a9f26c6999f30381c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f302add24a571922117643f5d7502eaec12b3d57c576e3a9f26c6999f30381c", kill_on_drop: false }`
[INFO] [stdout] 6f302add24a571922117643f5d7502eaec12b3d57c576e3a9f26c6999f30381c