[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] testing Pzixel/boyan_detector_bot against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPzixel%2Fboyan_detector_bot" "/workspace/builds/worker-88/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-88/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Pzixel/boyan_detector_bot on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-88/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" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log4rs v0.8.1
[INFO] [stderr]   Downloaded yaml-rust v0.4.2
[INFO] [stderr]   Downloaded rand_isaac v0.1.0
[INFO] [stderr]   Downloaded smallvec v0.6.6
[INFO] [stderr]   Downloaded flate2-crc v0.1.1
[INFO] [stderr]   Downloaded serde_yaml v0.8.7
[INFO] [stderr]   Downloaded flate2 v1.0.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726c8fed74528dbf8b5984185f45c2db4eeef5fc6de58ef47744460031fe03e6
[INFO] running `Command { std: "docker" "start" "-a" "726c8fed74528dbf8b5984185f45c2db4eeef5fc6de58ef47744460031fe03e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726c8fed74528dbf8b5984185f45c2db4eeef5fc6de58ef47744460031fe03e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726c8fed74528dbf8b5984185f45c2db4eeef5fc6de58ef47744460031fe03e6", kill_on_drop: false }`
[INFO] [stdout] 726c8fed74528dbf8b5984185f45c2db4eeef5fc6de58ef47744460031fe03e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "RUSTFLAGS=--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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dad49ef233f24160f8ebe50d0c68262fc2fb4e8bfc6770d5b2007c80df7fe39
[INFO] running `Command { std: "docker" "start" "-a" "3dad49ef233f24160f8ebe50d0c68262fc2fb4e8bfc6770d5b2007c80df7fe39", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling serde v1.0.87
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling boyan_detector_bot v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[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]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling humantime v1.1.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3dad49ef233f24160f8ebe50d0c68262fc2fb4e8bfc6770d5b2007c80df7fe39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dad49ef233f24160f8ebe50d0c68262fc2fb4e8bfc6770d5b2007c80df7fe39", kill_on_drop: false }`
[INFO] [stdout] 3dad49ef233f24160f8ebe50d0c68262fc2fb4e8bfc6770d5b2007c80df7fe39