[INFO] cloning repository https://github.com/Pzixel/boyan_detector_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Pzixel/boyan_detector_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fboyan_detector_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fboyan_detector_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 63c703459b7818fae70bc489e232e104694c9b2d
[INFO] documenting Pzixel/boyan_detector_bot 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%2FPzixel%2Fboyan_detector_bot" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pzixel/boyan_detector_bot 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/Pzixel/boyan_detector_bot
[INFO] finished tweaking git repo https://github.com/Pzixel/boyan_detector_bot
[INFO] tweaked toml for git repo https://github.com/Pzixel/boyan_detector_bot written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Pzixel/boyan_detector_bot 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] cfda266e5e9027cc8948ca797da85b6a497dfb6ad9161087969eb4bcb177005b
[INFO] running `Command { std: "docker" "start" "-a" "cfda266e5e9027cc8948ca797da85b6a497dfb6ad9161087969eb4bcb177005b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfda266e5e9027cc8948ca797da85b6a497dfb6ad9161087969eb4bcb177005b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfda266e5e9027cc8948ca797da85b6a497dfb6ad9161087969eb4bcb177005b", kill_on_drop: false }`
[INFO] [stdout] cfda266e5e9027cc8948ca797da85b6a497dfb6ad9161087969eb4bcb177005b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 300e2b052b882008282eb18e0f71dfc9132d80922014335b72d7b612f912b148
[INFO] running `Command { std: "docker" "start" "-a" "300e2b052b882008282eb18e0f71dfc9132d80922014335b72d7b612f912b148", kill_on_drop: false }`
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]    Compiling boyan_detector_bot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking smallvec v0.6.6
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking ordered-float v1.0.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
[INFO] [stdout]     |
[INFO] [stdout] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
[INFO] [stdout]     |                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[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 compile `futures`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "300e2b052b882008282eb18e0f71dfc9132d80922014335b72d7b612f912b148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "300e2b052b882008282eb18e0f71dfc9132d80922014335b72d7b612f912b148", kill_on_drop: false }`
[INFO] [stdout] 300e2b052b882008282eb18e0f71dfc9132d80922014335b72d7b612f912b148
