[INFO] fetching crate metaheuristics-nature 0.4.0...
[INFO] checking metaheuristics-nature-0.4.0 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] extracting crate metaheuristics-nature 0.4.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate metaheuristics-nature 0.4.0 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate metaheuristics-nature 0.4.0
[INFO] finished tweaking crates.io crate metaheuristics-nature 0.4.0
[INFO] tweaked toml for crates.io crate metaheuristics-nature 0.4.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indicatif v0.16.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2199473e988b6f948660a745899d386487cc20d5207285fe2280bb58177312e2
[INFO] running `Command { std: "docker" "start" "-a" "2199473e988b6f948660a745899d386487cc20d5207285fe2280bb58177312e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2199473e988b6f948660a745899d386487cc20d5207285fe2280bb58177312e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2199473e988b6f948660a745899d386487cc20d5207285fe2280bb58177312e2", kill_on_drop: false }`
[INFO] [stdout] 2199473e988b6f948660a745899d386487cc20d5207285fe2280bb58177312e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f81f5e05f2b8316ec75190b9315e0d2668f4b5e3da62f9f07584b30913f548b4
[INFO] running `Command { std: "docker" "start" "-a" "f81f5e05f2b8316ec75190b9315e0d2668f4b5e3da62f9f07584b30913f548b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking matrixmultiply v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking ndarray v0.15.3
[INFO] [stderr]     Checking metaheuristics-nature v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.58s
[INFO] running `Command { std: "docker" "inspect" "f81f5e05f2b8316ec75190b9315e0d2668f4b5e3da62f9f07584b30913f548b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f81f5e05f2b8316ec75190b9315e0d2668f4b5e3da62f9f07584b30913f548b4", kill_on_drop: false }`
[INFO] [stdout] f81f5e05f2b8316ec75190b9315e0d2668f4b5e3da62f9f07584b30913f548b4