[INFO] cloning repository https://github.com/lucaspoffo/markov_chain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucaspoffo/markov_chain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspoffo%2Fmarkov_chain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspoffo%2Fmarkov_chain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d67657284eacd67f24653a0209b22304c163396b
[INFO] testing lucaspoffo/markov_chain against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucaspoffo%2Fmarkov_chain" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucaspoffo/markov_chain on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucaspoffo/markov_chain
[INFO] finished tweaking git repo https://github.com/lucaspoffo/markov_chain
[INFO] tweaked toml for git repo https://github.com/lucaspoffo/markov_chain written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/lucaspoffo/markov_chain 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c9fc9ba8966b04ce507c70ddf3bc50932659aba330579f2d53a333243e4820e1
[INFO] running `Command { std: "docker" "start" "-a" "c9fc9ba8966b04ce507c70ddf3bc50932659aba330579f2d53a333243e4820e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c9fc9ba8966b04ce507c70ddf3bc50932659aba330579f2d53a333243e4820e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9fc9ba8966b04ce507c70ddf3bc50932659aba330579f2d53a333243e4820e1", kill_on_drop: false }`
[INFO] [stdout] c9fc9ba8966b04ce507c70ddf3bc50932659aba330579f2d53a333243e4820e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75dbc16923c15f0e3b27076fa112786d5a84a74418bbbdaa18452839912fb95a
[INFO] running `Command { std: "docker" "start" "-a" "75dbc16923c15f0e3b27076fa112786d5a84a74418bbbdaa18452839912fb95a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling markov_chain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/lib.rs:71:39
[INFO] [stdout]    |
[INFO] [stdout] 71 |     result.append(&mut next_word_chain.clone().to_vec());
[INFO] [stdout]    |                                       ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[String]` does not implement `Clone`, so calling `clone` on `&[String]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `markov_chain` (lib); 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/1.83.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name markov_chain --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values())' -C metadata=c1540869c050fb88 -C extra-filename=-c1540869c050fb88 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern rand=/opt/rustwide/target/debug/deps/librand-489529b030ad703f.rmeta --cap-lints=warn` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rand` (lib)
[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/1.83.0-x86_64-unknown-linux-gnu/bin/rustc --crate-name rand --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/rand-0.7.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="default"' --cfg 'feature="getrandom"' --cfg 'feature="getrandom_package"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs)' --check-cfg 'cfg(feature, values("alloc", "default", "getrandom", "getrandom_package", "log", "nightly", "packed_simd", "rand_pcg", "serde1", "simd_support", "small_rng", "std", "stdweb", "wasm-bindgen"))' -C metadata=489529b030ad703f -C extra-filename=-489529b030ad703f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern getrandom_package=/opt/rustwide/target/debug/deps/libgetrandom-14feb7c2ca9425eb.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-16618d266b6e96c2.rmeta --extern rand_chacha=/opt/rustwide/target/debug/deps/librand_chacha-d8c2446b6c954a63.rmeta --extern rand_core=/opt/rustwide/target/debug/deps/librand_core-08569d37b93c10dd.rmeta --cap-lints allow --cap-lints=warn` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "75dbc16923c15f0e3b27076fa112786d5a84a74418bbbdaa18452839912fb95a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75dbc16923c15f0e3b27076fa112786d5a84a74418bbbdaa18452839912fb95a", kill_on_drop: false }`
[INFO] [stdout] 75dbc16923c15f0e3b27076fa112786d5a84a74418bbbdaa18452839912fb95a
