[INFO] cloning repository https://github.com/paftree/ffxiv-matrix-bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/paftree/ffxiv-matrix-bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaftree%2Fffxiv-matrix-bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpaftree%2Fffxiv-matrix-bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e04a9becd653055d7a39ccf3a154330e38c6388
[INFO] documenting paftree/ffxiv-matrix-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%2Fpaftree%2Fffxiv-matrix-bot" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paftree/ffxiv-matrix-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/paftree/ffxiv-matrix-bot
[INFO] finished tweaking git repo https://github.com/paftree/ffxiv-matrix-bot
[INFO] tweaked toml for git repo https://github.com/paftree/ffxiv-matrix-bot written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/paftree/ffxiv-matrix-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]     Updating git repository `https://github.com/paftree/matrix_bot_api`
[INFO] [stderr]     Updating git repository `https://github.com/paftree/xivapi-rs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ffxiv_types v0.2.0
[INFO] [stderr]   Downloaded fractal-matrix-api v4.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dc1f9f333aef844b02f83d87ded7948ac6fe6c463cba309ba310b21f23a6b899
[INFO] running `Command { std: "docker" "start" "-a" "dc1f9f333aef844b02f83d87ded7948ac6fe6c463cba309ba310b21f23a6b899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc1f9f333aef844b02f83d87ded7948ac6fe6c463cba309ba310b21f23a6b899", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1f9f333aef844b02f83d87ded7948ac6fe6c463cba309ba310b21f23a6b899", kill_on_drop: false }`
[INFO] [stdout] dc1f9f333aef844b02f83d87ded7948ac6fe6c463cba309ba310b21f23a6b899
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1eb635a071b07367eafdbca1ee4ebb4afbf094f8191deae133fe3663ab7ea4ae
[INFO] running `Command { std: "docker" "start" "-a" "1eb635a071b07367eafdbca1ee4ebb4afbf094f8191deae133fe3663ab7ea4ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling const_fn v0.4.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling gio v0.7.0
[INFO] [stderr]     Checking serde v0.8.23
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[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking md5 v0.6.1
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling glib-sys v0.9.1
[INFO] [stderr]    Compiling gobject-sys v0.9.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling gio-sys v0.9.1
[INFO] [stderr]     Checking try_from v0.3.2
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[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling openssl-src v111.12.0+1.1.1h
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.58
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[INFO] [stderr]     Checking want v0.2.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking glib v0.8.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking sled v0.34.6
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ffxiv_types v0.2.0
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]    Compiling native-tls v0.2.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking fractal-matrix-api v4.2.0
[INFO] [stderr]     Checking xivapi v0.1.0 (https://github.com/paftree/xivapi-rs#fde91148)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/xivapi-rs-3b231ef75ceca6d1/fde9114/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(in_band_lifetimes, never_type, macro_at_most_once_rep, crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `macro_at_most_once_rep` has been stable since 1.32.0 and no longer requires an attribute to enable
[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 compile `xivapi`
[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" "1eb635a071b07367eafdbca1ee4ebb4afbf094f8191deae133fe3663ab7ea4ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1eb635a071b07367eafdbca1ee4ebb4afbf094f8191deae133fe3663ab7ea4ae", kill_on_drop: false }`
[INFO] [stdout] 1eb635a071b07367eafdbca1ee4ebb4afbf094f8191deae133fe3663ab7ea4ae
