[INFO] fetching crate s_curve 0.1.5...
[INFO] checking s_curve-0.1.5 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate s_curve 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate s_curve 0.1.5 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 s_curve 0.1.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate s_curve 0.1.5
[INFO] tweaked toml for crates.io crate s_curve 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate s_curve 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] cb3d51abf7960d9d9bd0410f660986cc656532c76cf272482e88bbe95932a277
[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" "cb3d51abf7960d9d9bd0410f660986cc656532c76cf272482e88bbe95932a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb3d51abf7960d9d9bd0410f660986cc656532c76cf272482e88bbe95932a277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3d51abf7960d9d9bd0410f660986cc656532c76cf272482e88bbe95932a277", kill_on_drop: false }`
[INFO] [stdout] cb3d51abf7960d9d9bd0410f660986cc656532c76cf272482e88bbe95932a277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8b668cbdca49d345c3223d8f44619fce1ecdd69ea5de0df02e5c585c8fb8cff
[INFO] running `Command { std: "docker" "start" "-a" "b8b668cbdca49d345c3223d8f44619fce1ecdd69ea5de0df02e5c585c8fb8cff", kill_on_drop: false }`
[INFO] [stderr]     Checking s_curve v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking gnuplot v0.0.37
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "b8b668cbdca49d345c3223d8f44619fce1ecdd69ea5de0df02e5c585c8fb8cff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8b668cbdca49d345c3223d8f44619fce1ecdd69ea5de0df02e5c585c8fb8cff", kill_on_drop: false }`
[INFO] [stdout] b8b668cbdca49d345c3223d8f44619fce1ecdd69ea5de0df02e5c585c8fb8cff