[INFO] fetching crate kf 0.1.4...
[INFO] checking kf-0.1.4 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate kf 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kf 0.1.4 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kf 0.1.4
[INFO] finished tweaking crates.io crate kf 0.1.4
[INFO] tweaked toml for crates.io crate kf 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] 6308437c5c3a9c8b1892f7508466b87a213010409967b5966703e92571caf719
[INFO] running `Command { std: "docker" "start" "-a" "6308437c5c3a9c8b1892f7508466b87a213010409967b5966703e92571caf719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6308437c5c3a9c8b1892f7508466b87a213010409967b5966703e92571caf719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6308437c5c3a9c8b1892f7508466b87a213010409967b5966703e92571caf719", kill_on_drop: false }`
[INFO] [stdout] 6308437c5c3a9c8b1892f7508466b87a213010409967b5966703e92571caf719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6530e6fef080d298f650dd40d4f7d27b49f94d5ca6dbaf79bf2246d26a3b2ec0
[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" "6530e6fef080d298f650dd40d4f7d27b49f94d5ca6dbaf79bf2246d26a3b2ec0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling typenum v1.12.0
[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]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[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]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking kf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.85s
[INFO] running `Command { std: "docker" "inspect" "6530e6fef080d298f650dd40d4f7d27b49f94d5ca6dbaf79bf2246d26a3b2ec0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6530e6fef080d298f650dd40d4f7d27b49f94d5ca6dbaf79bf2246d26a3b2ec0", kill_on_drop: false }`
[INFO] [stdout] 6530e6fef080d298f650dd40d4f7d27b49f94d5ca6dbaf79bf2246d26a3b2ec0