[INFO] fetching crate luminance-front 0.4.0...
[INFO] checking luminance-front-0.4.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate luminance-front 0.4.0 into /workspace/builds/worker-33/source
[INFO] validating manifest of crates.io crate luminance-front 0.4.0 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 luminance-front 0.4.0
[INFO] finished tweaking crates.io crate luminance-front 0.4.0
[INFO] tweaked toml for crates.io crate luminance-front 0.4.0 written to /workspace/builds/worker-33/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-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] b802686897402c81163389caf1fa57b04f0e95eef2ba06e94c836848719b503d
[INFO] running `Command { std: "docker" "start" "-a" "b802686897402c81163389caf1fa57b04f0e95eef2ba06e94c836848719b503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b802686897402c81163389caf1fa57b04f0e95eef2ba06e94c836848719b503d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b802686897402c81163389caf1fa57b04f0e95eef2ba06e94c836848719b503d", kill_on_drop: false }`
[INFO] [stdout] b802686897402c81163389caf1fa57b04f0e95eef2ba06e94c836848719b503d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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] 83d5d1ef4593d9fe723781135b774a9e2376b9d0b30ae45f361f55b3a8bc3e6b
[INFO] running `Command { std: "docker" "start" "-a" "83d5d1ef4593d9fe723781135b774a9e2376b9d0b30ae45f361f55b3a8bc3e6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling gl v0.14.0
[INFO] [stderr]    Compiling luminance-derive v0.7.0
[INFO] [stderr]     Checking luminance v0.44.0
[INFO] [stderr]     Checking luminance-gl v0.17.0
[INFO] [stderr]     Checking luminance-front v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.58s
[INFO] running `Command { std: "docker" "inspect" "83d5d1ef4593d9fe723781135b774a9e2376b9d0b30ae45f361f55b3a8bc3e6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83d5d1ef4593d9fe723781135b774a9e2376b9d0b30ae45f361f55b3a8bc3e6b", kill_on_drop: false }`
[INFO] [stdout] 83d5d1ef4593d9fe723781135b774a9e2376b9d0b30ae45f361f55b3a8bc3e6b