[INFO] fetching crate abrute 0.1.8...
[INFO] documenting abrute-0.1.8 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate abrute 0.1.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate abrute 0.1.8 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate abrute 0.1.8
[INFO] finished tweaking crates.io crate abrute 0.1.8
[INFO] tweaked toml for crates.io crate abrute 0.1.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aca5a2fec532ec48837cb1011dbafdd4376f3c59c3ba72b29fc3c335c08b2a30
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aca5a2fec532ec48837cb1011dbafdd4376f3c59c3ba72b29fc3c335c08b2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aca5a2fec532ec48837cb1011dbafdd4376f3c59c3ba72b29fc3c335c08b2a30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca5a2fec532ec48837cb1011dbafdd4376f3c59c3ba72b29fc3c335c08b2a30", kill_on_drop: false }`
[INFO] [stdout] aca5a2fec532ec48837cb1011dbafdd4376f3c59c3ba72b29fc3c335c08b2a30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b0d370626eef84c0e7a81d4cc34679bea65a1d88ff3fd7945fbe914e229e72c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b0d370626eef84c0e7a81d4cc34679bea65a1d88ff3fd7945fbe914e229e72c", kill_on_drop: false }`
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking base_custom v0.1.13
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking array_tool v0.4.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking array_tool v1.0.3
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking num_cpus v1.7.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking textwrap v0.8.0
[INFO] [stderr]     Checking digits v1.1.0
[INFO] [stderr]     Checking clap v2.26.2
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking rayon v0.8.2
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]  Documenting abrute v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(try_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(libc)]
[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 `abrute`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name abrute src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern array_tool=/opt/rustwide/target/debug/deps/libarray_tool-2cea21ea221b3cb7.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-90e4abc179c3a580.rmeta --extern digits=/opt/rustwide/target/debug/deps/libdigits-7c941967be13eba1.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-72923b2d9aa06af7.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-30db2290ef075f3b.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-031131582899e6bf.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-eb6cdf579abc545a.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-1aecc52d37c4e52d.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-45bb109c069a8532.rmeta --extern tiny_http=/opt/rustwide/target/debug/deps/libtiny_http-86676ea5148554d6.rmeta --cap-lints=warn --crate-version 0.1.8` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "6b0d370626eef84c0e7a81d4cc34679bea65a1d88ff3fd7945fbe914e229e72c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0d370626eef84c0e7a81d4cc34679bea65a1d88ff3fd7945fbe914e229e72c", kill_on_drop: false }`
[INFO] [stdout] 6b0d370626eef84c0e7a81d4cc34679bea65a1d88ff3fd7945fbe914e229e72c
