[INFO] cloning repository https://github.com/Jikstra/torshare
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jikstra/torshare" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJikstra%2Ftorshare", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJikstra%2Ftorshare'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b236be83baaf521513fcdc0c1b84661f5fd6db4c
[INFO] documenting Jikstra/torshare against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJikstra%2Ftorshare" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jikstra/torshare on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jikstra/torshare
[INFO] finished tweaking git repo https://github.com/Jikstra/torshare
[INFO] tweaked toml for git repo https://github.com/Jikstra/torshare written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Jikstra/torshare already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/Jikstra/libtor.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-ctrlc v1.2.0
[INFO] [stderr]   Downloaded libtor-derive v0.1.1
[INFO] [stderr]   Downloaded ctrlc v3.1.7
[INFO] [stderr]   Downloaded tokio-socks v0.3.0
[INFO] [stderr]   Downloaded libtor-sys v44.6.0+0.4.4.6
[INFO] [stderr]   Downloaded autotools v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 162ee78cc965fc53dcd0ce34e22d46940a75402cd09694c7e5c5bb807c6c54bf
[INFO] running `Command { std: "docker" "start" "-a" "162ee78cc965fc53dcd0ce34e22d46940a75402cd09694c7e5c5bb807c6c54bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162ee78cc965fc53dcd0ce34e22d46940a75402cd09694c7e5c5bb807c6c54bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162ee78cc965fc53dcd0ce34e22d46940a75402cd09694c7e5c5bb807c6c54bf", kill_on_drop: false }`
[INFO] [stdout] 162ee78cc965fc53dcd0ce34e22d46940a75402cd09694c7e5c5bb807c6c54bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] a8a290391c25643f8f345cb60bd99c29e47077d2a2c4c3aa50202c983aef302e
[INFO] running `Command { std: "docker" "start" "-a" "a8a290391c25643f8f345cb60bd99c29e47077d2a2c4c3aa50202c983aef302e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling openssl v0.10.31
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking paw-raw v1.0.0
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking http v0.2.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling autotools v0.2.1
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.59
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libtor-sys v44.6.0+0.4.4.6
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking idna v0.2.0
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[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking socket2 v0.3.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking bytes v0.4.12
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[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand v0.8.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking async-ctrlc v1.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling paw-attributes v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling libtor-derive v0.1.1
[INFO] [stderr]     Checking paw v1.0.0
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking tokio-socks v0.3.0
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking libtor v44.6.1+0.4.4.6 (https://github.com/Jikstra/libtor.git?branch=feat_log_and_hush#1b6f757a)
[INFO] [stderr]  Documenting torshare 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:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_split_once)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `torshare`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name torshare src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=8a54d00a41c96dd8 -L dependency=/opt/rustwide/target/debug/deps --extern async_ctrlc=/opt/rustwide/target/debug/deps/libasync_ctrlc-bdec32af4031bb3f.rmeta --extern error_chain=/opt/rustwide/target/debug/deps/liberror_chain-aab53cdec79d5896.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-c34830328513773f.rmeta --extern futures_lite=/opt/rustwide/target/debug/deps/libfutures_lite-ada799dac96449d9.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-cbb3756066fb452c.rmeta --extern libtor=/opt/rustwide/target/debug/deps/liblibtor-9aae0aee3ce94218.rmeta --extern paw=/opt/rustwide/target/debug/deps/libpaw-02830bcc1f80e664.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-3dd1a2444ae4547d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-ccac250b1855ee75.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-f795c88c616a7dee.rmeta --extern structopt=/opt/rustwide/target/debug/deps/libstructopt-bf648c9577da841f.rmeta --extern tempdir=/opt/rustwide/target/debug/deps/libtempdir-9e6a37a98e0761cf.rmeta --extern termion=/opt/rustwide/target/debug/deps/libtermion-abdde6dc2574547f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-ca6b24f0eeafaf73.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-9c306add38ae221f.rmeta --extern warp=/opt/rustwide/target/debug/deps/libwarp-80f04e8abf2ec42f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a8a290391c25643f8f345cb60bd99c29e47077d2a2c4c3aa50202c983aef302e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8a290391c25643f8f345cb60bd99c29e47077d2a2c4c3aa50202c983aef302e", kill_on_drop: false }`
[INFO] [stdout] a8a290391c25643f8f345cb60bd99c29e47077d2a2c4c3aa50202c983aef302e