[INFO] fetching crate flexbox 0.0.1...
[INFO] checking flexbox-0.0.1 against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] extracting crate flexbox 0.0.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate flexbox 0.0.1 on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexbox 0.0.1
[INFO] finished tweaking crates.io crate flexbox 0.0.1
[INFO] tweaked toml for crates.io crate flexbox 0.0.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate flexbox 0.0.1 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" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 890e5a583cf41019295d4cdbcee110c0860414ff1c0f65788016b60060877bc7
[INFO] running `Command { std: "docker" "start" "-a" "890e5a583cf41019295d4cdbcee110c0860414ff1c0f65788016b60060877bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890e5a583cf41019295d4cdbcee110c0860414ff1c0f65788016b60060877bc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890e5a583cf41019295d4cdbcee110c0860414ff1c0f65788016b60060877bc7", kill_on_drop: false }`
[INFO] [stdout] 890e5a583cf41019295d4cdbcee110c0860414ff1c0f65788016b60060877bc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b82d455c2e66d466bdd60c867e8f8d9e0be69c7f9cf89dfacea08016d2ed3b4f
[INFO] running `Command { std: "docker" "start" "-a" "b82d455c2e66d466bdd60c867e8f8d9e0be69c7f9cf89dfacea08016d2ed3b4f", kill_on_drop: false }`
[INFO] [stderr]     Checking flexbox v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vertical` is never read
[INFO] [stdout]  --> src/flexbox.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct FlexBox {
[INFO] [stdout]   |            ------- field in this struct
[INFO] [stdout] 3 |     reverse: bool,
[INFO] [stdout] 4 |     vertical: bool,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FlexBox` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flexbox` (bin "flexbox"); 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/8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b/bin/rustc --crate-name flexbox --edition=2018 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=3ba5b92076f01090 -C extra-filename=-28aa99786c806e4b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern flexbox=/opt/rustwide/target/debug/deps/libflexbox-44e6038c653c53a9.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `flexbox` (bin "flexbox" 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/8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b/bin/rustc --crate-name flexbox --edition=2018 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=8f3af4eec55297a5 -C extra-filename=-e1f956895c5eadcd --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern flexbox=/opt/rustwide/target/debug/deps/libflexbox-44e6038c653c53a9.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "b82d455c2e66d466bdd60c867e8f8d9e0be69c7f9cf89dfacea08016d2ed3b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b82d455c2e66d466bdd60c867e8f8d9e0be69c7f9cf89dfacea08016d2ed3b4f", kill_on_drop: false }`
[INFO] [stdout] b82d455c2e66d466bdd60c867e8f8d9e0be69c7f9cf89dfacea08016d2ed3b4f