[INFO] cloning repository https://github.com/zasekle/rust_book_chapter_20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zasekle/rust_book_chapter_20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzasekle%2Frust_book_chapter_20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzasekle%2Frust_book_chapter_20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0e23e9eb587aa8aa5e94a3531c29ee791314282
[INFO] testing zasekle/rust_book_chapter_20 against beta-2025-01-12 for beta-1.85-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzasekle%2Frust_book_chapter_20" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zasekle/rust_book_chapter_20 on toolchain beta-2025-01-12
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zasekle/rust_book_chapter_20
[INFO] finished tweaking git repo https://github.com/zasekle/rust_book_chapter_20
[INFO] tweaked toml for git repo https://github.com/zasekle/rust_book_chapter_20 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/zasekle/rust_book_chapter_20 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" "+beta-2025-01-12" "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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74d52598db113b1e76a1acf6c553c3de3b399cd936a70288ef3d9c9260d795ee
[INFO] running `Command { std: "docker" "start" "-a" "74d52598db113b1e76a1acf6c553c3de3b399cd936a70288ef3d9c9260d795ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74d52598db113b1e76a1acf6c553c3de3b399cd936a70288ef3d9c9260d795ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d52598db113b1e76a1acf6c553c3de3b399cd936a70288ef3d9c9260d795ee", kill_on_drop: false }`
[INFO] [stdout] 74d52598db113b1e76a1acf6c553c3de3b399cd936a70288ef3d9c9260d795ee
[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=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@sha256:86ea7c7af713d31e8cfdb68a6d0db50b5cf7cbeecde3d112f9f257f747318d36" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-01-12" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba6bdbf5b03c0670bb9afd8c2b24938b8a007f33c567fe33e48fc28816e10889
[INFO] running `Command { std: "docker" "start" "-a" "ba6bdbf5b03c0670bb9afd8c2b24938b8a007f33c567fe33e48fc28816e10889", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_book_chapter_20 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `thread`
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 | }, num::NonZeroUsize, thread};
[INFO] [stdout]   |                       ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustc1T3jqW/symbols.o" "<4 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/{librust_book_chapter_20-9d8b61b1fb87f29a.rlib}" "/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-2e6eca6bf1681754.rlib,libpanic_unwind-6419b8734ab2f0cb.rlib,libobject-784ada497c5d935e.rlib,libmemchr-9267ffe866ca370f.rlib,libaddr2line-36f3ec5f8f15f213.rlib,libgimli-a0a71c3c5fe00164.rlib,librustc_demangle-95f237535246c825.rlib,libstd_detect-e0bd23c2b0917c59.rlib,libhashbrown-22a7802a8abbef9e.rlib,librustc_std_workspace_alloc-eb0228d54dd99343.rlib,libminiz_oxide-e6c6f516ce70276d.rlib,libadler-af73ed2b2e212982.rlib,libunwind-0000b4ce778574a2.rlib,libcfg_if-1a94dbdc43bc518f.rlib,liblibc-b957950176a614bc.rlib,liballoc-2b137d666ae9b5cb.rlib,librustc_std_workspace_core-4cf833632aafa84c.rlib,libcore-65c2c6d2d6ae570b.rlib,libcompiler_builtins-678c764df5f831e4.rlib}" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2025-01-12-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_book_chapter_20-f2c02cd4ec97be73" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: some arguments are omitted. use `--verbose` to show all linker arguments
[INFO] [stdout]   = note: /usr/bin/ld: final link failed: No space left on device
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_book_chapter_20` (bin "rust_book_chapter_20") due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ba6bdbf5b03c0670bb9afd8c2b24938b8a007f33c567fe33e48fc28816e10889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6bdbf5b03c0670bb9afd8c2b24938b8a007f33c567fe33e48fc28816e10889", kill_on_drop: false }`
[INFO] [stdout] ba6bdbf5b03c0670bb9afd8c2b24938b8a007f33c567fe33e48fc28816e10889