[INFO] fetching crate signature_derive 1.0.0-pre.3...
[INFO] checking signature_derive-1.0.0-pre.3 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate signature_derive 1.0.0-pre.3 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate signature_derive 1.0.0-pre.3 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate signature_derive 1.0.0-pre.3
[INFO] finished tweaking crates.io crate signature_derive 1.0.0-pre.3
[INFO] tweaked toml for crates.io crate signature_derive 1.0.0-pre.3 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 803e9ed20dac2895554be443ab8e0008e3414504dff474ca726572cf09e7ae8b
[INFO] running `Command { std: "docker" "start" "-a" "803e9ed20dac2895554be443ab8e0008e3414504dff474ca726572cf09e7ae8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "803e9ed20dac2895554be443ab8e0008e3414504dff474ca726572cf09e7ae8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803e9ed20dac2895554be443ab8e0008e3414504dff474ca726572cf09e7ae8b", kill_on_drop: false }`
[INFO] [stdout] 803e9ed20dac2895554be443ab8e0008e3414504dff474ca726572cf09e7ae8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2034a2822650b8eab9904663a8c4d5ca2006d0f5e7c73e38d30111ca514d0da
[INFO] running `Command { std: "docker" "start" "-a" "f2034a2822650b8eab9904663a8c4d5ca2006d0f5e7c73e38d30111ca514d0da", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking synstructure v0.12.5
[INFO] [stderr]     Checking signature_derive v1.0.0-pre.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.50s
[INFO] running `Command { std: "docker" "inspect" "f2034a2822650b8eab9904663a8c4d5ca2006d0f5e7c73e38d30111ca514d0da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2034a2822650b8eab9904663a8c4d5ca2006d0f5e7c73e38d30111ca514d0da", kill_on_drop: false }`
[INFO] [stdout] f2034a2822650b8eab9904663a8c4d5ca2006d0f5e7c73e38d30111ca514d0da