[INFO] fetching crate neat-rs 0.1.82...
[INFO] checking neat-rs-0.1.82 against master#a874956d940ecb3ed524b6176a171219ac4787ea for pr-76104
[INFO] extracting crate neat-rs 0.1.82 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate neat-rs 0.1.82 on toolchain a874956d940ecb3ed524b6176a171219ac4787ea
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neat-rs 0.1.82
[INFO] finished tweaking crates.io crate neat-rs 0.1.82
[INFO] tweaked toml for crates.io crate neat-rs 0.1.82 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c53390ec34bc15ea4fa7030cb3d6ce60fc6f2fdcefc37256e00e493ccb8d2a6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c53390ec34bc15ea4fa7030cb3d6ce60fc6f2fdcefc37256e00e493ccb8d2a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c53390ec34bc15ea4fa7030cb3d6ce60fc6f2fdcefc37256e00e493ccb8d2a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c53390ec34bc15ea4fa7030cb3d6ce60fc6f2fdcefc37256e00e493ccb8d2a6a", kill_on_drop: false }`
[INFO] [stdout] c53390ec34bc15ea4fa7030cb3d6ce60fc6f2fdcefc37256e00e493ccb8d2a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+a874956d940ecb3ed524b6176a171219ac4787ea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2360458e5cfbe7cde53acc7a281abcb2b8933261f2402e4d32e0b394050ba72
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2360458e5cfbe7cde53acc7a281abcb2b8933261f2402e4d32e0b394050ba72", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling cpython v0.4.1
[INFO] [stderr]    Compiling ndarray v0.13.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]    Compiling python3-sys v0.4.1
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking gym v2.2.1
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking slow_nn v0.1.22
[INFO] [stderr]     Checking neat-rs v0.1.82 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.21s
[INFO] running `Command { std: "docker" "inspect" "f2360458e5cfbe7cde53acc7a281abcb2b8933261f2402e4d32e0b394050ba72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2360458e5cfbe7cde53acc7a281abcb2b8933261f2402e4d32e0b394050ba72", kill_on_drop: false }`
[INFO] [stdout] f2360458e5cfbe7cde53acc7a281abcb2b8933261f2402e4d32e0b394050ba72