[INFO] cloning repository https://github.com/hackspace-marburg/doorstate-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hackspace-marburg/doorstate-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackspace-marburg%2Fdoorstate-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackspace-marburg%2Fdoorstate-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] da308059ff3d8931f1c533298f8e29244306e98b
[INFO] checking hackspace-marburg/doorstate-rs against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhackspace-marburg%2Fdoorstate-rs" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hackspace-marburg/doorstate-rs on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hackspace-marburg/doorstate-rs
[INFO] finished tweaking git repo https://github.com/hackspace-marburg/doorstate-rs
[INFO] tweaked toml for git repo https://github.com/hackspace-marburg/doorstate-rs written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/hackspace-marburg/doorstate-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dfd36d0d3a0fa0e8665b271948a30eb933fca945b9d25ed81641d9f7864476a
[INFO] running `Command { std: "docker" "start" "-a" "5dfd36d0d3a0fa0e8665b271948a30eb933fca945b9d25ed81641d9f7864476a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dfd36d0d3a0fa0e8665b271948a30eb933fca945b9d25ed81641d9f7864476a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dfd36d0d3a0fa0e8665b271948a30eb933fca945b9d25ed81641d9f7864476a", kill_on_drop: false }`
[INFO] [stdout] 5dfd36d0d3a0fa0e8665b271948a30eb933fca945b9d25ed81641d9f7864476a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=forbid" "-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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9859dc8cb62331b69bfde7bb8b80d3efa8694914f949f6321a19ad9827ebfc2d
[INFO] running `Command { std: "docker" "start" "-a" "9859dc8cb62331b69bfde7bb8b80d3efa8694914f949f6321a19ad9827ebfc2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking pollster v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling semver-parser v0.10.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling async_io_stream v0.2.0-beta.1
[INFO] [stderr]     Checking sha-1 v0.9.2
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mqtt4bytes v0.4.0
[INFO] [stderr]    Compiling rustc_version v0.3.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling ws_stream_tungstenite v0.4.0-beta.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking pharos v0.4.2
[INFO] [stderr]     Checking tokio-rustls v0.20.0
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/async_io_stream-0.2.0-beta.1/src/lib.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr( nightly, feature(doc_cfg, external_doc) )]
[INFO] [stdout]   |                                        ^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: use #[doc = include_str!("filename")] instead, which handles macro invocations
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async_io_stream`
[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" "9859dc8cb62331b69bfde7bb8b80d3efa8694914f949f6321a19ad9827ebfc2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9859dc8cb62331b69bfde7bb8b80d3efa8694914f949f6321a19ad9827ebfc2d", kill_on_drop: false }`
[INFO] [stdout] 9859dc8cb62331b69bfde7bb8b80d3efa8694914f949f6321a19ad9827ebfc2d