[INFO] cloning repository https://github.com/nixpulvis/oursh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nixpulvis/oursh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Foursh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Foursh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a9ce5b935bab11fc906daf66e8c7d94108b2111
[INFO] documenting nixpulvis/oursh against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnixpulvis%2Foursh" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nixpulvis/oursh on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nixpulvis/oursh
[INFO] finished tweaking git repo https://github.com/nixpulvis/oursh
[INFO] tweaked toml for git repo https://github.com/nixpulvis/oursh written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nixpulvis/oursh already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/redox-os/termion`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strsim v0.9.3
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded assert_matches v1.3.0
[INFO] [stderr]   Downloaded lalrpop v0.17.2
[INFO] [stderr]   Downloaded rand_os v0.2.2
[INFO] [stderr]   Downloaded criterion-plot v0.4.0
[INFO] [stderr]   Downloaded criterion v0.3.0
[INFO] [stderr]   Downloaded diff v0.1.12
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded ena v0.13.1
[INFO] [stderr]   Downloaded string_cache v0.7.5
[INFO] [stderr]   Downloaded pwd v1.3.0
[INFO] [stderr]   Downloaded nix v0.16.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.7
[INFO] [stderr]   Downloaded rand_xoshiro v0.3.1
[INFO] [stderr]   Downloaded ctrlc v3.1.3
[INFO] [stderr]   Downloaded ascii-canvas v2.0.0
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4704aa35ae00fe4a9ec8e89cef734ffcac1a4906807e0e29f05e7c9cf860a19
[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" "f4704aa35ae00fe4a9ec8e89cef734ffcac1a4906807e0e29f05e7c9cf860a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4704aa35ae00fe4a9ec8e89cef734ffcac1a4906807e0e29f05e7c9cf860a19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4704aa35ae00fe4a9ec8e89cef734ffcac1a4906807e0e29f05e7c9cf860a19", kill_on_drop: false }`
[INFO] [stdout] f4704aa35ae00fe4a9ec8e89cef734ffcac1a4906807e0e29f05e7c9cf860a19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1c3cdcc303896d7e050f564ba612f4ded293fd69278c13226c9c9bedd83c652
[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" "c1c3cdcc303896d7e050f564ba612f4ded293fd69278c13226c9c9bedd83c652", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling nix v0.16.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking termion v1.5.4 (https://github.com/redox-os/termion#c443136b)
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking ctrlc v3.1.3
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking pwd v1.3.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.17.2
[INFO] [stderr]    Compiling oursh v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting oursh v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:83:1
[INFO] [stdout]    |
[INFO] [stdout] 83 | #![feature(box_syntax, box_patterns, with_options)]
[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: Could not document `oursh`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name oursh src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="completion"' --cfg 'feature="default"' --cfg 'feature="history"' --cfg 'feature="raw"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-983272765da036c0.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-eefc263c299b9b71.rmeta --extern docopt=/opt/rustwide/target/debug/deps/libdocopt-4e9c85f816c32d29.rmeta --extern lalrpop_util=/opt/rustwide/target/debug/deps/liblalrpop_util-c92dc48291b39482.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-3a9e2922fa06e42f.rmeta --extern pwd=/opt/rustwide/target/debug/deps/libpwd-0f69fa19f70f341a.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-9b361a7ab282eb88.rmeta --cap-lints=warn --crate-version 0.4.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "c1c3cdcc303896d7e050f564ba612f4ded293fd69278c13226c9c9bedd83c652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1c3cdcc303896d7e050f564ba612f4ded293fd69278c13226c9c9bedd83c652", kill_on_drop: false }`
[INFO] [stdout] c1c3cdcc303896d7e050f564ba612f4ded293fd69278c13226c9c9bedd83c652