[INFO] fetching crate fido-mds 0.5.4...
[INFO] testing fido-mds-0.5.4 against master#7704328ba5ae8d6ce0ac303c9d5a1a1605906766 for pr-146989
[INFO] extracting crate fido-mds 0.5.4 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate fido-mds 0.5.4
[INFO] finished tweaking crates.io crate fido-mds 0.5.4
[INFO] tweaked toml for crates.io crate fido-mds 0.5.4 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fido-mds 0.5.4 on toolchain 7704328ba5ae8d6ce0ac303c9d5a1a1605906766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fido-mds 0.5.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded crc32c v0.6.8
[INFO] [stderr]   Downloaded webauthn-attestation-ca v0.5.4
[INFO] [stderr]   Downloaded compact_jwt v0.4.3
[INFO] [stderr]   Downloaded base64urlsafedata v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b777a25786614e90c7f0f01b5e90752bd04d6339455f5f8f99ce04e9ae7800e1
[INFO] running `Command { std: "docker" "start" "-a" "b777a25786614e90c7f0f01b5e90752bd04d6339455f5f8f99ce04e9ae7800e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b777a25786614e90c7f0f01b5e90752bd04d6339455f5f8f99ce04e9ae7800e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b777a25786614e90c7f0f01b5e90752bd04d6339455f5f8f99ce04e9ae7800e1", kill_on_drop: false }`
[INFO] [stdout] b777a25786614e90c7f0f01b5e90752bd04d6339455f5f8f99ce04e9ae7800e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+7704328ba5ae8d6ce0ac303c9d5a1a1605906766" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a
[INFO] running `Command { std: "docker" "start" "-a" "764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: unable to apply cgroup configuration: unable to start unit "docker-764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a.scope" (properties [{Name:Description Value:"libcontainer container 764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [2766589]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a", kill_on_drop: false }`
[INFO] [stdout] 764b5dd3b997984f2e4cc0dec651453a9d9752049928622faf6a72a318b12e6a