[INFO] cloning repository https://github.com/tersec/fileflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tersec/fileflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftersec%2Ffileflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftersec%2Ffileflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3189886510a6ebe4e70f42542ec61fcba58957d1
[INFO] checking tersec/fileflow against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftersec%2Ffileflow" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tersec/fileflow on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tersec/fileflow
[INFO] finished tweaking git repo https://github.com/tersec/fileflow
[INFO] tweaked toml for git repo https://github.com/tersec/fileflow written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tersec/fileflow 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8255e3b051593910fe3febe04c9d1c81d22ad43328d74ebbe84b9f7ce9c7850
[INFO] running `Command { std: "docker" "start" "-a" "d8255e3b051593910fe3febe04c9d1c81d22ad43328d74ebbe84b9f7ce9c7850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8255e3b051593910fe3febe04c9d1c81d22ad43328d74ebbe84b9f7ce9c7850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8255e3b051593910fe3febe04c9d1c81d22ad43328d74ebbe84b9f7ce9c7850", kill_on_drop: false }`
[INFO] [stdout] d8255e3b051593910fe3febe04c9d1c81d22ad43328d74ebbe84b9f7ce9c7850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0533b0024892b4b520f841be8cd115cab84dcc8b2fc965389d33bb5b04b8309d
[INFO] running `Command { std: "docker" "start" "-a" "0533b0024892b4b520f841be8cd115cab84dcc8b2fc965389d33bb5b04b8309d", kill_on_drop: false }`
[INFO] [stderr]     Checking fileflow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `l0_hash_index_files`
[INFO] [stdout]    --> src/main.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |     let (l0_tree, l0_hash_index, l0_hash_index_files) =
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_l0_hash_index_files`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l0_hash_index_files`
[INFO] [stdout]    --> src/main.rs:455:34
[INFO] [stdout]     |
[INFO] [stdout] 455 |     let (l0_tree, l0_hash_index, l0_hash_index_files) =
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_l0_hash_index_files`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fileflow` (bin "fileflow"); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/bin/rustc --crate-name fileflow --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=9cb13d66568866d1 -C extra-filename=-adc79fdf9f359363 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fileflow` (bin "fileflow" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/f8c27dfe1a2e7fb538fd91dad53de06992c7c967/bin/rustc --crate-name fileflow --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=7715ca195e0739e6 -C extra-filename=-5cff288c111f019a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "0533b0024892b4b520f841be8cd115cab84dcc8b2fc965389d33bb5b04b8309d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0533b0024892b4b520f841be8cd115cab84dcc8b2fc965389d33bb5b04b8309d", kill_on_drop: false }`
[INFO] [stdout] 0533b0024892b4b520f841be8cd115cab84dcc8b2fc965389d33bb5b04b8309d