[INFO] fetching crate xmachine 0.2.1...
[INFO] building xmachine-0.2.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate xmachine 0.2.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate xmachine 0.2.1
[INFO] finished tweaking crates.io crate xmachine 0.2.1
[INFO] tweaked toml for crates.io crate xmachine 0.2.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmachine 0.2.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6bc4983bf69f874d7bb1c67ce8395640d653828427c2b5fd9fb06f9697575f4
[INFO] running `Command { std: "docker" "start" "-a" "f6bc4983bf69f874d7bb1c67ce8395640d653828427c2b5fd9fb06f9697575f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6bc4983bf69f874d7bb1c67ce8395640d653828427c2b5fd9fb06f9697575f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6bc4983bf69f874d7bb1c67ce8395640d653828427c2b5fd9fb06f9697575f4", kill_on_drop: false }`
[INFO] [stdout] f6bc4983bf69f874d7bb1c67ce8395640d653828427c2b5fd9fb06f9697575f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc559dd0a640838a5129ab236fcd97053eb5b196c35ab43aee6554f67b2fb71e
[INFO] running `Command { std: "docker" "start" "-a" "bc559dd0a640838a5129ab236fcd97053eb5b196c35ab43aee6554f67b2fb71e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "bc559dd0a640838a5129ab236fcd97053eb5b196c35ab43aee6554f67b2fb71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc559dd0a640838a5129ab236fcd97053eb5b196c35ab43aee6554f67b2fb71e", kill_on_drop: false }`
[INFO] [stdout] bc559dd0a640838a5129ab236fcd97053eb5b196c35ab43aee6554f67b2fb71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b037b5c6751cf5cd805e69dbf78ddf6f7d14edeaf2bfd1b163a2efa43fa5556
[INFO] running `Command { std: "docker" "start" "-a" "5b037b5c6751cf5cd805e69dbf78ddf6f7d14edeaf2bfd1b163a2efa43fa5556", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmachine v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "5b037b5c6751cf5cd805e69dbf78ddf6f7d14edeaf2bfd1b163a2efa43fa5556", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b037b5c6751cf5cd805e69dbf78ddf6f7d14edeaf2bfd1b163a2efa43fa5556", kill_on_drop: false }`
[INFO] [stdout] 5b037b5c6751cf5cd805e69dbf78ddf6f7d14edeaf2bfd1b163a2efa43fa5556