[INFO] fetching crate signature_derive 1.0.0-pre.2...
[INFO] checking signature_derive-1.0.0-pre.2 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate signature_derive 1.0.0-pre.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate signature_derive 1.0.0-pre.2 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signature_derive 1.0.0-pre.2
[INFO] finished tweaking crates.io crate signature_derive 1.0.0-pre.2
[INFO] tweaked toml for crates.io crate signature_derive 1.0.0-pre.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ed8ce788736765d596b1ac33927360b014b5786eb6879b130fefd969b3365ec
[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" "3ed8ce788736765d596b1ac33927360b014b5786eb6879b130fefd969b3365ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ed8ce788736765d596b1ac33927360b014b5786eb6879b130fefd969b3365ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ed8ce788736765d596b1ac33927360b014b5786eb6879b130fefd969b3365ec", kill_on_drop: false }`
[INFO] [stdout] 3ed8ce788736765d596b1ac33927360b014b5786eb6879b130fefd969b3365ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b1bf023814478b9f33207297ab5b2341ce7b450dd466f2f5ddd1173dbd92979
[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" "0b1bf023814478b9f33207297ab5b2341ce7b450dd466f2f5ddd1173dbd92979", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking proc-macro2 v1.0.19
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking synstructure v0.12.4
[INFO] [stderr]     Checking signature_derive v1.0.0-pre.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.25s
[INFO] running `Command { std: "docker" "inspect" "0b1bf023814478b9f33207297ab5b2341ce7b450dd466f2f5ddd1173dbd92979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b1bf023814478b9f33207297ab5b2341ce7b450dd466f2f5ddd1173dbd92979", kill_on_drop: false }`
[INFO] [stdout] 0b1bf023814478b9f33207297ab5b2341ce7b450dd466f2f5ddd1173dbd92979