[INFO] cloning repository https://github.com/zengol/handling_option_with_unwrap
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zengol/handling_option_with_unwrap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fhandling_option_with_unwrap", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fhandling_option_with_unwrap'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1b8c817ce3a2cf96d19e5c98d5be6d38b2e0b235
[INFO] checking zengol/handling_option_with_unwrap against try#4c525d43052e921548191f82f6ed9e2f9e98dcb1 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzengol%2Fhandling_option_with_unwrap" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zengol/handling_option_with_unwrap on toolchain 4c525d43052e921548191f82f6ed9e2f9e98dcb1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zengol/handling_option_with_unwrap
[INFO] finished tweaking git repo https://github.com/zengol/handling_option_with_unwrap
[INFO] tweaked toml for git repo https://github.com/zengol/handling_option_with_unwrap written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zengol/handling_option_with_unwrap 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" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18ca74e3ffc08f9e5786ad63896000c4fb7f47702c86ff562432e208b7f14924
[INFO] running `Command { std: "docker" "start" "-a" "18ca74e3ffc08f9e5786ad63896000c4fb7f47702c86ff562432e208b7f14924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18ca74e3ffc08f9e5786ad63896000c4fb7f47702c86ff562432e208b7f14924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18ca74e3ffc08f9e5786ad63896000c4fb7f47702c86ff562432e208b7f14924", kill_on_drop: false }`
[INFO] [stdout] 18ca74e3ffc08f9e5786ad63896000c4fb7f47702c86ff562432e208b7f14924
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+4c525d43052e921548191f82f6ed9e2f9e98dcb1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b0f5a38c04bbd3b0ffd54b14d8da5e6bed4a150c8e32c0b54dc0bccb2de9bf1
[INFO] running `Command { std: "docker" "start" "-a" "8b0f5a38c04bbd3b0ffd54b14d8da5e6bed4a150c8e32c0b54dc0bccb2de9bf1", kill_on_drop: false }`
[INFO] [stderr]     Checking other_way_of_handling_option v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `title` and `autor` are never read
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Book{title: String , autor : String},
[INFO] [stdout]   |     ---- ^^^^^           ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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] warning: fields `title` and `autor` are never read
[INFO] [stdout]  --> src/main.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Book{title: String , autor : String},
[INFO] [stdout]   |     ---- ^^^^^           ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` 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] warning: fields `title` and `director` are never read
[INFO] [stdout]  --> src/main.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Movie{title:String , director: String},
[INFO] [stdout]   |     ----- ^^^^^          ^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/main.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     AudioBook{title: String},
[INFO] [stdout]   |     --------- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/main.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Serie{title: String},
[INFO] [stdout]   |     ----- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `title` is never read
[INFO] [stdout]  --> src/main.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Radio{title: String},
[INFO] [stdout]   |     ----- ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Podcast` and `Placeholder` are never constructed
[INFO] [stdout]   --> src/main.rs:9:5
[INFO] [stdout]    |
[INFO] [stdout] 3  | enum Media {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 9  |     Podcast(u32),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     Placeholder,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Media` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `description` is never used
[INFO] [stdout]   --> src/main.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Media {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 18 |     fn description (&self) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `other_way_of_handling_option` (bin "other_way_of_handling_option"); 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/4c525d43052e921548191f82f6ed9e2f9e98dcb1/bin/rustc --crate-name other_way_of_handling_option --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=14179a85c3fd1256 -C extra-filename=-86ea9788a89b1f23 --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] running `Command { std: "docker" "inspect" "8b0f5a38c04bbd3b0ffd54b14d8da5e6bed4a150c8e32c0b54dc0bccb2de9bf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0f5a38c04bbd3b0ffd54b14d8da5e6bed4a150c8e32c0b54dc0bccb2de9bf1", kill_on_drop: false }`
[INFO] [stdout] 8b0f5a38c04bbd3b0ffd54b14d8da5e6bed4a150c8e32c0b54dc0bccb2de9bf1