[INFO] cloning repository https://github.com/goarano/coinbro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/goarano/coinbro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoarano%2Fcoinbro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoarano%2Fcoinbro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c436e5dead65535904bb78787f87dec90fbbd59b
[INFO] documenting goarano/coinbro 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%2Fgoarano%2Fcoinbro" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/goarano/coinbro 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/goarano/coinbro
[INFO] finished tweaking git repo https://github.com/goarano/coinbro
[INFO] tweaked toml for git repo https://github.com/goarano/coinbro written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/goarano/coinbro 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5366b8038090e909fe1ab2570e10af289b79155abeba0fc84813b4a4b0450437
[INFO] running `Command { std: "docker" "start" "-a" "5366b8038090e909fe1ab2570e10af289b79155abeba0fc84813b4a4b0450437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5366b8038090e909fe1ab2570e10af289b79155abeba0fc84813b4a4b0450437", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5366b8038090e909fe1ab2570e10af289b79155abeba0fc84813b4a4b0450437", kill_on_drop: false }`
[INFO] [stdout] 5366b8038090e909fe1ab2570e10af289b79155abeba0fc84813b4a4b0450437
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 334f17d188c32b663a4164e95640f80c5f0592c3d75586452e50dd4aba421f72
[INFO] running `Command { std: "docker" "start" "-a" "334f17d188c32b663a4164e95640f80c5f0592c3d75586452e50dd4aba421f72", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling num-traits v0.2.7
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio v0.6.17
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.14
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.20
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.5
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking csv v1.0.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking regex v1.1.6
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.20
[INFO] [stderr]     Checking publicsuffix v1.5.2
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking winconsole v0.10.0
[INFO] [stderr]     Checking hyper v0.12.29
[INFO] [stderr]     Checking colored v1.8.0
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]  Documenting coinbro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 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 `coinbro`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name coinbro 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 clap=/opt/rustwide/target/debug/deps/libclap-7345e69d3c01e7d4.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-6fbb1316ad760425.rmeta --extern dirs=/opt/rustwide/target/debug/deps/libdirs-89f971f28e00c797.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-60e1c95087058fda.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-f3b29ae00d348438.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-f21e7b55109f50e0.rmeta --extern itertools=/opt/rustwide/target/debug/deps/libitertools-d37abca1b8fb2fb8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-1dd9a5450110fc02.rmeta --extern prettytable=/opt/rustwide/target/debug/deps/libprettytable-f2e789d8904630e7.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-aac5ad3b461445fc.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f247f58bf6027058.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-c9d470e64039ab50.rmeta --extern strum=/opt/rustwide/target/debug/deps/libstrum-07eb9c6ab1d310ed.rmeta --extern strum_macros=/opt/rustwide/target/debug/deps/libstrum_macros-b2803690cf88e187.so --extern tokio=/opt/rustwide/target/debug/deps/libtokio-88fb894b618ab41a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "334f17d188c32b663a4164e95640f80c5f0592c3d75586452e50dd4aba421f72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "334f17d188c32b663a4164e95640f80c5f0592c3d75586452e50dd4aba421f72", kill_on_drop: false }`
[INFO] [stdout] 334f17d188c32b663a4164e95640f80c5f0592c3d75586452e50dd4aba421f72
