[INFO] fetching crate dual_num 0.2.7...
[INFO] checking dual_num-0.2.7 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate dual_num 0.2.7 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dual_num 0.2.7 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dual_num 0.2.7
[INFO] finished tweaking crates.io crate dual_num 0.2.7
[INFO] tweaked toml for crates.io crate dual_num 0.2.7 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nalgebra v0.17.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5e5b7949354d58059ac36dad3d659833a31ecbf6b640f7d1c0818df16231c1be
[INFO] running `Command { std: "docker" "start" "-a" "5e5b7949354d58059ac36dad3d659833a31ecbf6b640f7d1c0818df16231c1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e5b7949354d58059ac36dad3d659833a31ecbf6b640f7d1c0818df16231c1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e5b7949354d58059ac36dad3d659833a31ecbf6b640f7d1c0818df16231c1be", kill_on_drop: false }`
[INFO] [stdout] 5e5b7949354d58059ac36dad3d659833a31ecbf6b640f7d1c0818df16231c1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa30a8c195a7c8d2778613d0918965c5a51d4238f488c9d3b628e42b08e874db
[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" "fa30a8c195a7c8d2778613d0918965c5a51d4238f488c9d3b628e42b08e874db", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking dual_num v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.79s
[INFO] running `Command { std: "docker" "inspect" "fa30a8c195a7c8d2778613d0918965c5a51d4238f488c9d3b628e42b08e874db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa30a8c195a7c8d2778613d0918965c5a51d4238f488c9d3b628e42b08e874db", kill_on_drop: false }`
[INFO] [stdout] fa30a8c195a7c8d2778613d0918965c5a51d4238f488c9d3b628e42b08e874db