[INFO] fetching crate send 0.8.0...
[INFO] building send-0.8.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate send 0.8.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate send 0.8.0 on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate send 0.8.0
[INFO] finished tweaking crates.io crate send 0.8.0
[INFO] tweaked toml for crates.io crate send 0.8.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding dia-args v0.51.6 (available: v0.61.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dia-args v0.51.6
[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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 144d5f3db18b37b06181a642c1edaffcbd354a09ecb4e91017d97661bc99e2de
[INFO] running `Command { std: "docker" "start" "-a" "144d5f3db18b37b06181a642c1edaffcbd354a09ecb4e91017d97661bc99e2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "144d5f3db18b37b06181a642c1edaffcbd354a09ecb4e91017d97661bc99e2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "144d5f3db18b37b06181a642c1edaffcbd354a09ecb4e91017d97661bc99e2de", kill_on_drop: false }`
[INFO] [stdout] 144d5f3db18b37b06181a642c1edaffcbd354a09ecb4e91017d97661bc99e2de
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d
[INFO] running `Command { std: "docker" "start" "-a" "80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: write /var/lib/docker/containers/80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d/hosts: no space left on device
[INFO] running `Command { std: "docker" "inspect" "80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d", kill_on_drop: false }`
[INFO] [stdout] 80941db1d4ed72cf28044348115e96baa1f13c1d4d60f06148155f19fb4dbb8d