[INFO] cloning repository https://github.com/Fi3/shrd_sec_lib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fi3/shrd_sec_lib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fshrd_sec_lib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFi3%2Fshrd_sec_lib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0e145b54c2c10a109fa48e7e06220891b70f3046
[INFO] documenting Fi3/shrd_sec_lib 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%2FFi3%2Fshrd_sec_lib" "/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/Fi3/shrd_sec_lib 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/Fi3/shrd_sec_lib
[INFO] finished tweaking git repo https://github.com/Fi3/shrd_sec_lib
[INFO] tweaked toml for git repo https://github.com/Fi3/shrd_sec_lib written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Fi3/shrd_sec_lib 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]  Downloading crates ...
[INFO] [stderr]   Downloaded stream-cipher v0.3.2
[INFO] [stderr]   Downloaded keccak v0.1.0
[INFO] [stderr]   Downloaded hex_fmt v0.3.0
[INFO] [stderr]   Downloaded secrecy v0.6.0
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.1
[INFO] [stderr]   Downloaded crunchy v0.2.2
[INFO] [stderr]   Downloaded memsec v0.5.7
[INFO] [stderr]   Downloaded sha3 v0.8.2
[INFO] [stderr]   Downloaded rand04 v0.1.1
[INFO] [stderr]   Downloaded threshold_crypto v0.3.2
[INFO] [stderr]   Downloaded rand04_compat v0.1.1
[INFO] [stderr]   Downloaded tiny-keccak v1.5.0
[INFO] [stderr]   Downloaded mach_o_sys v0.1.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.33
[INFO] [stderr]   Downloaded pairing v0.14.2
[INFO] [stderr]   Downloaded errno v0.2.4
[INFO] [stderr]   Downloaded ofb v0.1.1
[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] 5a1a3223694f39f5ac18e68d09a1ad9b9286b4f59526bcfc70c8e764375356f1
[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" "5a1a3223694f39f5ac18e68d09a1ad9b9286b4f59526bcfc70c8e764375356f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a1a3223694f39f5ac18e68d09a1ad9b9286b4f59526bcfc70c8e764375356f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1a3223694f39f5ac18e68d09a1ad9b9286b4f59526bcfc70c8e764375356f1", kill_on_drop: false }`
[INFO] [stdout] 5a1a3223694f39f5ac18e68d09a1ad9b9286b4f59526bcfc70c8e764375356f1
[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] e429b402a6f9cf0dc0e5dca91e51e6b47cfcedcdfbf73c650433c1cebc9313c6
[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" "e429b402a6f9cf0dc0e5dca91e51e6b47cfcedcdfbf73c650433c1cebc9313c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking errno v0.2.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking rand04 v0.1.1
[INFO] [stderr]     Checking pairing v0.14.2
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking ofb v0.1.1
[INFO] [stderr]     Checking secrecy v0.6.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking memsec v0.5.7
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking rand04_compat v0.1.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling thiserror-impl v1.0.11
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking thiserror v1.0.11
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking threshold_crypto v0.3.2
[INFO] [stderr]  Documenting shrd_sec_lib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[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 `shrd_sec_lib`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name shrd_sec_lib 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 aes=/opt/rustwide/target/debug/deps/libaes-2c7465d4c7a27a73.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-89ebc789eee483f5.rmeta --extern ofb=/opt/rustwide/target/debug/deps/libofb-0f0627d1f62c1b88.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-421a9dfbbcfea061.rmeta --extern secrecy=/opt/rustwide/target/debug/deps/libsecrecy-66ad3f35f95e3456.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-53786a6fec2b1eec.rmeta --extern sha3=/opt/rustwide/target/debug/deps/libsha3-626fd2c9d2f81776.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-0b78cd41d5b4c4ee.rmeta --extern threshold_crypto=/opt/rustwide/target/debug/deps/libthreshold_crypto-45dfd5b1256d622f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e429b402a6f9cf0dc0e5dca91e51e6b47cfcedcdfbf73c650433c1cebc9313c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e429b402a6f9cf0dc0e5dca91e51e6b47cfcedcdfbf73c650433c1cebc9313c6", kill_on_drop: false }`
[INFO] [stdout] e429b402a6f9cf0dc0e5dca91e51e6b47cfcedcdfbf73c650433c1cebc9313c6