[INFO] fetching crate speedate 0.15.0...
[INFO] building speedate-0.15.0 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate speedate 0.15.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate speedate 0.15.0 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 speedate 0.15.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate speedate 0.15.0
[INFO] tweaked toml for crates.io crate speedate 0.15.0 written to /workspace/builds/worker-4-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 39 packages to latest compatible versions
[INFO] [stderr]       Adding strum v0.26.3 (available: v0.27.1)
[INFO] [stderr]       Adding strum_macros v0.26.4 (available: v0.27.1)
[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 iso8601 v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0efaa2ff18a6d8c0faf4cf0d48e18fbdd7cc9747986721c869e8c5578c42ab24
[INFO] running `Command { std: "docker" "start" "-a" "0efaa2ff18a6d8c0faf4cf0d48e18fbdd7cc9747986721c869e8c5578c42ab24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0efaa2ff18a6d8c0faf4cf0d48e18fbdd7cc9747986721c869e8c5578c42ab24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0efaa2ff18a6d8c0faf4cf0d48e18fbdd7cc9747986721c869e8c5578c42ab24", kill_on_drop: false }`
[INFO] [stdout] 0efaa2ff18a6d8c0faf4cf0d48e18fbdd7cc9747986721c869e8c5578c42ab24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 89fc4c35105c6f401d329b15c2fc6fca7e3b8b43fb920ee54a7aac4c1fb9ce6e
[INFO] running `Command { std: "docker" "start" "-a" "89fc4c35105c6f401d329b15c2fc6fca7e3b8b43fb920ee54a7aac4c1fb9ce6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmeta1kCTA0/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "89fc4c35105c6f401d329b15c2fc6fca7e3b8b43fb920ee54a7aac4c1fb9ce6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89fc4c35105c6f401d329b15c2fc6fca7e3b8b43fb920ee54a7aac4c1fb9ce6e", kill_on_drop: false }`
[INFO] [stdout] 89fc4c35105c6f401d329b15c2fc6fca7e3b8b43fb920ee54a7aac4c1fb9ce6e