[INFO] fetching crate embedded-serial 0.5.0...
[INFO] building embedded-serial-0.5.0 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate embedded-serial 0.5.0 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate embedded-serial 0.5.0 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate embedded-serial 0.5.0
[INFO] finished tweaking crates.io crate embedded-serial 0.5.0
[INFO] tweaked toml for crates.io crate embedded-serial 0.5.0 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fa2ceb1a702de4f08a559f5a9853b43cec9be3a840962fb8f855de47c336764
[INFO] running `Command { std: "docker" "start" "-a" "9fa2ceb1a702de4f08a559f5a9853b43cec9be3a840962fb8f855de47c336764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa2ceb1a702de4f08a559f5a9853b43cec9be3a840962fb8f855de47c336764", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa2ceb1a702de4f08a559f5a9853b43cec9be3a840962fb8f855de47c336764", kill_on_drop: false }`
[INFO] [stdout] 9fa2ceb1a702de4f08a559f5a9853b43cec9be3a840962fb8f855de47c336764
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7bebd962470d0e81566e5c6c89c7ff507913807dba2d4dca5c6f9210734910a9
[INFO] running `Command { std: "docker" "start" "-a" "7bebd962470d0e81566e5c6c89c7ff507913807dba2d4dca5c6f9210734910a9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling embedded-serial v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "7bebd962470d0e81566e5c6c89c7ff507913807dba2d4dca5c6f9210734910a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bebd962470d0e81566e5c6c89c7ff507913807dba2d4dca5c6f9210734910a9", kill_on_drop: false }`
[INFO] [stdout] 7bebd962470d0e81566e5c6c89c7ff507913807dba2d4dca5c6f9210734910a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8639fd9854b2eee7732e939f4ddcd2deb3d4fd0157b981b3c7e846f90c04151d
[INFO] running `Command { std: "docker" "start" "-a" "8639fd9854b2eee7732e939f4ddcd2deb3d4fd0157b981b3c7e846f90c04151d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling embedded-serial v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8639fd9854b2eee7732e939f4ddcd2deb3d4fd0157b981b3c7e846f90c04151d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8639fd9854b2eee7732e939f4ddcd2deb3d4fd0157b981b3c7e846f90c04151d", kill_on_drop: false }`
[INFO] [stdout] 8639fd9854b2eee7732e939f4ddcd2deb3d4fd0157b981b3c7e846f90c04151d