[INFO] cloning repository https://github.com/NarayanaRavada/huffman_compression_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NarayanaRavada/huffman_compression_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3054c1f5615ced9fc8b2667f36e505a1548e4e1b
[INFO] documenting NarayanaRavada/huffman_compression_rust against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust" "/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/NarayanaRavada/huffman_compression_rust on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust
[INFO] finished tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust
[INFO] tweaked toml for git repo https://github.com/NarayanaRavada/huffman_compression_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/NarayanaRavada/huffman_compression_rust 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" "+1.75.0" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f67b3d56a0ce566d687cbe3f32a0811c1a139361ec41e2d4fe9038c329220523
[INFO] running `Command { std: "docker" "start" "-a" "f67b3d56a0ce566d687cbe3f32a0811c1a139361ec41e2d4fe9038c329220523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f67b3d56a0ce566d687cbe3f32a0811c1a139361ec41e2d4fe9038c329220523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f67b3d56a0ce566d687cbe3f32a0811c1a139361ec41e2d4fe9038c329220523", kill_on_drop: false }`
[INFO] [stdout] f67b3d56a0ce566d687cbe3f32a0811c1a139361ec41e2d4fe9038c329220523
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6e751824bf77ead3a7d3e4dc9221a49d42c95ec681ad26ea086199d0eb0efdd
[INFO] running `Command { std: "docker" "start" "-a" "d6e751824bf77ead3a7d3e4dc9221a49d42c95ec681ad26ea086199d0eb0efdd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]  Documenting huffman_coding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/compression.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | \
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `huffman_coding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/1.75.0-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name huffman_coding src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=cb0f7597c3c0441d -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-480853e0dddd3bb4.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-a4cef2285074685e.rmeta --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-5a8ce2b71a03836b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-0957283bc0ce5061.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d6e751824bf77ead3a7d3e4dc9221a49d42c95ec681ad26ea086199d0eb0efdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6e751824bf77ead3a7d3e4dc9221a49d42c95ec681ad26ea086199d0eb0efdd", kill_on_drop: false }`
[INFO] [stdout] d6e751824bf77ead3a7d3e4dc9221a49d42c95ec681ad26ea086199d0eb0efdd
[INFO] documenting NarayanaRavada/huffman_compression_rust against beta-2023-12-22 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNarayanaRavada%2Fhuffman_compression_rust" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NarayanaRavada/huffman_compression_rust on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust
[INFO] finished tweaking git repo https://github.com/NarayanaRavada/huffman_compression_rust
[INFO] tweaked toml for git repo https://github.com/NarayanaRavada/huffman_compression_rust written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NarayanaRavada/huffman_compression_rust 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-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9805d750ab04bcf965c3b8bb891f4e756d284cbf931ad52b8f53411c04b113c6
[INFO] running `Command { std: "docker" "start" "-a" "9805d750ab04bcf965c3b8bb891f4e756d284cbf931ad52b8f53411c04b113c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9805d750ab04bcf965c3b8bb891f4e756d284cbf931ad52b8f53411c04b113c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9805d750ab04bcf965c3b8bb891f4e756d284cbf931ad52b8f53411c04b113c6", kill_on_drop: false }`
[INFO] [stdout] 9805d750ab04bcf965c3b8bb891f4e756d284cbf931ad52b8f53411c04b113c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 920486c0676010a2ff782452da8b881ce9ba34af49700292e2240e55af6fcbf5
[INFO] running `Command { std: "docker" "start" "-a" "920486c0676010a2ff782452da8b881ce9ba34af49700292e2240e55af6fcbf5", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling paste v1.0.14
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]    Compiling memoffset v0.9.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.15
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.3
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]  Documenting huffman_coding v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unknown start of token: \
[INFO] [stdout]  --> src/compression.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | \
[INFO] [stdout]   | ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `huffman_coding`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2023-12-22-x86_64-unknown-linux-gnu/bin/rustdoc --edition=2021 --crate-type bin --crate-name huffman_coding src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items '-Arustdoc::private-intra-doc-links' -C metadata=5fc912f53a2d47f0 -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-3f9ddb63e562da8e.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-b16bb1e825aab185.rmeta --extern rmp_serde=/opt/rustwide/target/debug/deps/librmp_serde-de4e4250c796d70b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-84fd518cdf7d3ea4.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "920486c0676010a2ff782452da8b881ce9ba34af49700292e2240e55af6fcbf5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920486c0676010a2ff782452da8b881ce9ba34af49700292e2240e55af6fcbf5", kill_on_drop: false }`
[INFO] [stdout] 920486c0676010a2ff782452da8b881ce9ba34af49700292e2240e55af6fcbf5
