[INFO] fetching crate notedown-rt 0.3.1...
[INFO] testing notedown-rt-0.3.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate notedown-rt 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate notedown-rt 0.3.1 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate notedown-rt 0.3.1
[INFO] finished tweaking crates.io crate notedown-rt 0.3.1
[INFO] tweaked toml for crates.io crate notedown-rt 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom_locate v4.0.0
[INFO] [stderr]   Downloaded lsp-types v0.91.1
[INFO] [stderr]   Downloaded yggdrasil-shared v0.1.9
[INFO] [stderr]   Downloaded notedown_ast v0.16.2
[INFO] [stderr]   Downloaded notedown-error v1.1.5
[INFO] [stderr]   Downloaded rsass v0.23.4
[INFO] [stderr]   Downloaded lsp-document v0.4.0
[INFO] [stderr]   Downloaded self_update v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 9a02df269e1aa2525d3669bb3705a528bd1a4fda8ca9e94155a9664ae6a05850
[INFO] running `Command { std: "docker" "start" "-a" "9a02df269e1aa2525d3669bb3705a528bd1a4fda8ca9e94155a9664ae6a05850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a02df269e1aa2525d3669bb3705a528bd1a4fda8ca9e94155a9664ae6a05850", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a02df269e1aa2525d3669bb3705a528bd1a4fda8ca9e94155a9664ae6a05850", kill_on_drop: false }`
[INFO] [stdout] 9a02df269e1aa2525d3669bb3705a528bd1a4fda8ca9e94155a9664ae6a05850
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--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] 4cf654933da9460cd22c10277b267a1072a66ad31706f4a360aa43b7dbc23b3c
[INFO] running `Command { std: "docker" "start" "-a" "4cf654933da9460cd22c10277b267a1072a66ad31706f4a360aa43b7dbc23b3c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling futures-io v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling str_indices v0.3.2
[INFO] [stderr]    Compiling rust_decimal v1.23.1
[INFO] [stderr]    Compiling async-task v4.2.0
[INFO] [stderr]    Compiling yansi v0.5.1
[INFO] [stderr]    Compiling lazy_static v0.1.16
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling smawk v0.3.1
[INFO] [stderr]    Compiling ipnet v2.4.0
[INFO] [stderr]    Compiling self_update v0.28.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.5.0
[INFO] [stderr]    Compiling html-escape v0.2.11
[INFO] [stderr]    Compiling css-color-parser v0.1.2
[INFO] [stderr]    Compiling ropey v1.4.1
[INFO] [stderr]    Compiling ariadne v0.1.5
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling parking_lot v0.12.0
[INFO] [stderr]    Compiling slugify v0.1.0
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling ctor v0.1.22
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling unicode-linebreak v0.1.2
[INFO] [stderr]    Compiling dashmap v5.2.0
[INFO] [stderr]    Compiling url v2.2.2
[INFO] [stderr]    Compiling indicatif v0.16.2
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling blocking v1.2.0
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling emojic v0.4.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling lsp-types v0.91.1
[INFO] [stderr]    Compiling mio v0.8.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling globset v0.4.8
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling tokio v1.17.0
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling async-global-executor v2.0.4
[INFO] [stderr]    Compiling async-std v1.11.0
[INFO] [stderr]    Compiling num v0.4.0
[INFO] [stderr]    Compiling text-utils v0.4.3
[INFO] [stderr]    Compiling tokio-util v0.7.1
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.3.13
[INFO] [stderr]    Compiling hyper v0.14.18
[INFO] [stderr]    Compiling lsp-document v0.4.0
[INFO] [stderr]    Compiling yggdrasil-shared v0.1.9
[INFO] [stderr]    Compiling notedown-error v1.1.5
[INFO] [stderr]    Compiling notedown_ast v0.16.2
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[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/notedown_ast-0.16.2/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/notedown_ast-0.16.2/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(map_first_last)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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/notedown_ast-0.16.2/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(arbitrary_enum_discriminant)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling reqwest v0.11.10
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `notedown_ast` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4cf654933da9460cd22c10277b267a1072a66ad31706f4a360aa43b7dbc23b3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf654933da9460cd22c10277b267a1072a66ad31706f4a360aa43b7dbc23b3c", kill_on_drop: false }`
[INFO] [stdout] 4cf654933da9460cd22c10277b267a1072a66ad31706f4a360aa43b7dbc23b3c