[INFO] fetching crate serde_bytes_base64 0.1.1...
[INFO] building serde_bytes_base64-0.1.1 against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error
[INFO] extracting crate serde_bytes_base64 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate serde_bytes_base64 0.1.1 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 serde_bytes_base64 0.1.1
[INFO] finished tweaking crates.io crate serde_bytes_base64 0.1.1
[INFO] tweaked toml for crates.io crate serde_bytes_base64 0.1.1 written to /workspace/builds/worker-0-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 11 packages to latest compatible versions
[INFO] [stderr]       Adding base64 v0.13.1 (available: v0.22.1)
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3259d6c6939f1bca7e10eeae646054dec4fd47cb586f324d8607a9e638e3908a
[INFO] running `Command { std: "docker" "start" "-a" "3259d6c6939f1bca7e10eeae646054dec4fd47cb586f324d8607a9e638e3908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3259d6c6939f1bca7e10eeae646054dec4fd47cb586f324d8607a9e638e3908a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3259d6c6939f1bca7e10eeae646054dec4fd47cb586f324d8607a9e638e3908a", kill_on_drop: false }`
[INFO] [stdout] 3259d6c6939f1bca7e10eeae646054dec4fd47cb586f324d8607a9e638e3908a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] db9a3c6953c49100ed73bbed2caabe3c04b46fbe6f02a81570206bf335cc038d
[INFO] running `Command { std: "docker" "start" "-a" "db9a3c6953c49100ed73bbed2caabe3c04b46fbe6f02a81570206bf335cc038d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaiTAaqX"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `base64` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "db9a3c6953c49100ed73bbed2caabe3c04b46fbe6f02a81570206bf335cc038d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db9a3c6953c49100ed73bbed2caabe3c04b46fbe6f02a81570206bf335cc038d", kill_on_drop: false }`
[INFO] [stdout] db9a3c6953c49100ed73bbed2caabe3c04b46fbe6f02a81570206bf335cc038d