[INFO] fetching crate dual_num 0.2.7...
[INFO] checking dual_num-0.2.7 against master#339e19697a39a78f4d669c217b7d21109215de41 for pr-81213
[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 339e19697a39a78f4d669c217b7d21109215de41
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+339e19697a39a78f4d669c217b7d21109215de41" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+339e19697a39a78f4d669c217b7d21109215de41" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+339e19697a39a78f4d669c217b7d21109215de41" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26cc15e54031cd341fe7fa94c84e51035a9c6540356ede8f646d3eab51da8cdb
[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" "26cc15e54031cd341fe7fa94c84e51035a9c6540356ede8f646d3eab51da8cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26cc15e54031cd341fe7fa94c84e51035a9c6540356ede8f646d3eab51da8cdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cc15e54031cd341fe7fa94c84e51035a9c6540356ede8f646d3eab51da8cdb", kill_on_drop: false }`
[INFO] [stdout] 26cc15e54031cd341fe7fa94c84e51035a9c6540356ede8f646d3eab51da8cdb
[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" "+339e19697a39a78f4d669c217b7d21109215de41" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8d50b2c4f4cc92571187649521acc45c478c12756b4e17a6a2c2ab3f9929472
[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" "f8d50b2c4f4cc92571187649521acc45c478c12756b4e17a6a2c2ab3f9929472", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking generic-array v0.12.3
[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 27.23s
[INFO] running `Command { std: "docker" "inspect" "f8d50b2c4f4cc92571187649521acc45c478c12756b4e17a6a2c2ab3f9929472", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d50b2c4f4cc92571187649521acc45c478c12756b4e17a6a2c2ab3f9929472", kill_on_drop: false }`
[INFO] [stdout] f8d50b2c4f4cc92571187649521acc45c478c12756b4e17a6a2c2ab3f9929472