[INFO] fetching crate iso8583 0.1.1...
[INFO] documenting iso8583-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate iso8583 0.1.1 into /workspace/builds/worker-40/source
[INFO] validating manifest of crates.io crate iso8583 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iso8583 0.1.1
[INFO] finished tweaking crates.io crate iso8583 0.1.1
[INFO] tweaked toml for crates.io crate iso8583 0.1.1 written to /workspace/builds/worker-40/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f668a98dd0453782ae7edae97bcf9024a400fa175c2dff07e7108903b1fd361f
[INFO] running `Command { std: "docker" "start" "-a" "f668a98dd0453782ae7edae97bcf9024a400fa175c2dff07e7108903b1fd361f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f668a98dd0453782ae7edae97bcf9024a400fa175c2dff07e7108903b1fd361f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f668a98dd0453782ae7edae97bcf9024a400fa175c2dff07e7108903b1fd361f", kill_on_drop: false }`
[INFO] [stdout] f668a98dd0453782ae7edae97bcf9024a400fa175c2dff07e7108903b1fd361f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-40/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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a82ee60653ae28d995582d789af4edbbc9cdec449eda3bef12dd8be93dc44462
[INFO] running `Command { std: "docker" "start" "-a" "a82ee60653ae28d995582d789af4edbbc9cdec449eda3bef12dd8be93dc44462", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking generic-array v0.3.2
[INFO] [stderr]     Checking bit-array v0.4.4
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]  Documenting iso8583 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(type_ascription)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(test)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `iso8583`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name iso8583 src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bit_array=/opt/rustwide/target/debug/deps/libbit_array-2da0f68f14282ab6.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-7d3e64e12564167b.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-6a5809dcce96c926.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-a66a1fdf9c467eb8.so --extern serde_yaml=/opt/rustwide/target/debug/deps/libserde_yaml-647ac29294ef7c2c.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-12ddda03e0414e14.rmeta --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-07eb248bc2ff553c.rmeta --cap-lints=warn --crate-version 0.1.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a82ee60653ae28d995582d789af4edbbc9cdec449eda3bef12dd8be93dc44462", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82ee60653ae28d995582d789af4edbbc9cdec449eda3bef12dd8be93dc44462", kill_on_drop: false }`
[INFO] [stdout] a82ee60653ae28d995582d789af4edbbc9cdec449eda3bef12dd8be93dc44462
