[INFO] cloning repository https://github.com/Eson-Jia/huffman
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eson-Jia/huffman" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fhuffman", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fhuffman'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b572356670f40e129dd93d40ba11d008b7ab4127
[INFO] documenting Eson-Jia/huffman against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEson-Jia%2Fhuffman" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Eson-Jia/huffman on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Eson-Jia/huffman
[INFO] finished tweaking git repo https://github.com/Eson-Jia/huffman
[INFO] tweaked toml for git repo https://github.com/Eson-Jia/huffman written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Eson-Jia/huffman already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6adc3bd5154b0d86877b1f1b6d23f9999ffc9d9b8862d0369bac09e22812e5c8
[INFO] running `Command { std: "docker" "start" "-a" "6adc3bd5154b0d86877b1f1b6d23f9999ffc9d9b8862d0369bac09e22812e5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6adc3bd5154b0d86877b1f1b6d23f9999ffc9d9b8862d0369bac09e22812e5c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6adc3bd5154b0d86877b1f1b6d23f9999ffc9d9b8862d0369bac09e22812e5c8", kill_on_drop: false }`
[INFO] [stdout] 6adc3bd5154b0d86877b1f1b6d23f9999ffc9d9b8862d0369bac09e22812e5c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a84b991504c39e31e8206b22a9c0ba213d7d37df71b6f5e1a232ff4ef9efebfc
[INFO] running `Command { std: "docker" "start" "-a" "a84b991504c39e31e8206b22a9c0ba213d7d37df71b6f5e1a232ff4ef9efebfc", kill_on_drop: false }`
[INFO] [stderr]  Documenting huffman v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected identifier, found `1`
[INFO] [stdout]  --> src/bin/leetcode.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let theSet = u32{1,21}
[INFO] [stdout]   |                      --- ^ expected identifier
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `21`
[INFO] [stdout]  --> src/bin/leetcode.rs:3:28
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let theSet = u32{1,21}
[INFO] [stdout]   |                      ---   ^^ expected identifier
[INFO] [stdout]   |                      |
[INFO] [stdout]   |                      while parsing this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;`, found keyword `for`
[INFO] [stdout]  --> src/bin/leetcode.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 |         let theSet = u32{1,21}
[INFO] [stdout]   |                               ^ help: add `;` here
[INFO] [stdout] 4 |         for i in 0..s.len() {
[INFO] [stdout]   |         --- unexpected token
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Solution` in this scope
[INFO] [stdout]  --> src/bin/leetcode.rs:1:6
[INFO] [stdout]   |
[INFO] [stdout] 1 | impl Solution {
[INFO] [stdout]   |      ^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `huffman`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name leetcode src/bin/leetcode.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/bin/memory_test.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(slice_fill)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a84b991504c39e31e8206b22a9c0ba213d7d37df71b6f5e1a232ff4ef9efebfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84b991504c39e31e8206b22a9c0ba213d7d37df71b6f5e1a232ff4ef9efebfc", kill_on_drop: false }`
[INFO] [stdout] a84b991504c39e31e8206b22a9c0ba213d7d37df71b6f5e1a232ff4ef9efebfc
