[INFO] fetching crate dogear 0.5.0...
[INFO] checking dogear-0.5.0 against try#409ef99a7d4dc96ae91f65d4b48413ed174514d6 for pr-137633
[INFO] extracting crate dogear 0.5.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate dogear 0.5.0 on toolchain 409ef99a7d4dc96ae91f65d4b48413ed174514d6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dogear 0.5.0
[INFO] finished tweaking crates.io crate dogear 0.5.0
[INFO] tweaked toml for crates.io crate dogear 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.5.13 (available: v0.11.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 96217b87f96d68f4d7818c4467f263c1f719aeb91de37864c7efa73cb0057da9
[INFO] running `Command { std: "docker" "start" "-a" "96217b87f96d68f4d7818c4467f263c1f719aeb91de37864c7efa73cb0057da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "96217b87f96d68f4d7818c4467f263c1f719aeb91de37864c7efa73cb0057da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96217b87f96d68f4d7818c4467f263c1f719aeb91de37864c7efa73cb0057da9", kill_on_drop: false }`
[INFO] [stdout] 96217b87f96d68f4d7818c4467f263c1f719aeb91de37864c7efa73cb0057da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+409ef99a7d4dc96ae91f65d4b48413ed174514d6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba1cf9ed85a07c2ee2093a6d8b79f404d1d8dadfe66dab2fb46415877381105e
[INFO] running `Command { std: "docker" "start" "-a" "ba1cf9ed85a07c2ee2093a6d8b79f404d1d8dadfe66dab2fb46415877381105e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.170
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.26
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking smallbitvec v2.6.0
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking dogear v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stdout] warning: field `merged_guids` is never read
[INFO] [stdout]     --> src/merge.rs:1763:5
[INFO] [stdout]      |
[INFO] [stdout] 1759 | pub struct MergedRoot<'t> {
[INFO] [stdout]      |            ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 1763 |     merged_guids: HashSet<Guid>,
[INFO] [stdout]      |     ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `MergedRoot` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaHqCNLf/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dogear` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaZl6lLa/lib.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libc` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ba1cf9ed85a07c2ee2093a6d8b79f404d1d8dadfe66dab2fb46415877381105e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1cf9ed85a07c2ee2093a6d8b79f404d1d8dadfe66dab2fb46415877381105e", kill_on_drop: false }`
[INFO] [stdout] ba1cf9ed85a07c2ee2093a6d8b79f404d1d8dadfe66dab2fb46415877381105e