[INFO] fetching crate solitaire 0.0.1... [INFO] testing solitaire-0.0.1 against 1.49.0 for beta-1.50-1 [INFO] extracting crate solitaire 0.0.1 into /workspace/builds/worker-5/source [INFO] validating manifest of crates.io crate solitaire 0.0.1 on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate solitaire 0.0.1 [INFO] finished tweaking crates.io crate solitaire 0.0.1 [INFO] tweaked toml for crates.io crate solitaire 0.0.1 written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate crates.io crate solitaire 0.0.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 46ce9506999a5123d26c9770ed68cdb8142a5eeac15371fc94e6ef3650cb1937 [INFO] running `Command { std: "docker" "start" "-a" "46ce9506999a5123d26c9770ed68cdb8142a5eeac15371fc94e6ef3650cb1937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "46ce9506999a5123d26c9770ed68cdb8142a5eeac15371fc94e6ef3650cb1937", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46ce9506999a5123d26c9770ed68cdb8142a5eeac15371fc94e6ef3650cb1937", kill_on_drop: false }` [INFO] [stdout] 46ce9506999a5123d26c9770ed68cdb8142a5eeac15371fc94e6ef3650cb1937 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] c5ca6dfdc8645fa823200edab36766e78120524d76681c99976dd261673eb120 [INFO] running `Command { std: "docker" "start" "-a" "c5ca6dfdc8645fa823200edab36766e78120524d76681c99976dd261673eb120", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Compiling futures v0.1.29 [INFO] [stderr] Compiling serde v1.0.103 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling smallvec v1.0.0 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.12 [INFO] [stderr] Compiling failure_derive v0.1.6 [INFO] [stderr] Compiling copyless v0.1.4 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling encoding_rs v0.8.20 [INFO] [stderr] Compiling untrusted v0.6.2 [INFO] [stderr] Compiling mime v0.3.14 [INFO] [stderr] Compiling slog v2.5.2 [INFO] [stderr] Compiling language-tags v0.2.2 [INFO] [stderr] Compiling sha1 v0.6.0 [INFO] [stderr] Compiling same-file v1.0.5 [INFO] [stderr] Compiling anyhow v1.0.25 [INFO] [stderr] Compiling shellexpand v1.0.0 [INFO] [stderr] Compiling maud_htmlescape v0.17.0 [INFO] [stderr] Compiling hashbrown v0.3.1 [INFO] [stderr] Compiling unicode-width v0.1.6 [INFO] [stderr] Compiling hashbrown v0.5.0 [INFO] [stderr] Compiling take_mut v0.2.2 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling num-traits v0.2.10 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling indexmap v1.3.0 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling bincode v1.2.0 [INFO] [stderr] Compiling lock_api v0.3.2 [INFO] [stderr] Compiling lock_api v0.2.0 [INFO] [stderr] Compiling lru-cache v0.1.2 [INFO] [stderr] Compiling unicode-normalization v0.1.11 [INFO] [stderr] Compiling miniz_oxide v0.3.5 [INFO] [stderr] Compiling walkdir v2.2.9 [INFO] [stderr] Compiling app_dirs2 v2.0.4 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling rust-embed-utils v5.0.0 [INFO] [stderr] Compiling rust-embed-impl v5.1.0 [INFO] [stderr] Compiling base64 v0.10.1 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling idna v0.1.5 [INFO] [stderr] Compiling aho-corasick v0.7.6 [INFO] [stderr] Compiling slog-async v2.3.0 [INFO] [stderr] Compiling num_cpus v1.11.1 [INFO] [stderr] Compiling jobserver v0.1.17 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling socket2 v0.3.11 [INFO] [stderr] Compiling hostname v0.1.5 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling dirs-sys v0.3.4 [INFO] [stderr] Compiling atty v0.2.13 [INFO] [stderr] Compiling tokio-executor v0.1.9 [INFO] [stderr] Compiling tokio-sync v0.1.7 [INFO] [stderr] Compiling actix-service v0.4.2 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling cc v1.0.47 [INFO] [stderr] Compiling url v1.7.2 [INFO] [stderr] Compiling rust-embed v5.1.0 [INFO] [stderr] Compiling url v2.1.0 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling signal-hook v0.1.12 [INFO] [stderr] Compiling resolv-conf v0.6.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling dirs v2.0.2 [INFO] [stderr] Compiling tokio-timer v0.2.12 [INFO] [stderr] Compiling tokio-current-thread v0.1.6 [INFO] [stderr] Compiling regex v1.3.1 [INFO] [stderr] Compiling solitaire-assets v0.0.1 [INFO] [stderr] Compiling tokio-io v0.1.12 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.2.1 [INFO] [stderr] Compiling term v0.6.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling backtrace-sys v0.1.32 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling brotli-sys v0.3.2 [INFO] [stderr] Compiling miniz-sys v0.1.12 [INFO] [stderr] Compiling libgit2-sys v0.9.2 [INFO] [stderr] Compiling ring v0.14.6 [INFO] [stderr] Compiling rand v0.7.2 [INFO] [stderr] Compiling tokio-reactor v0.1.11 [INFO] [stderr] Compiling tokio-codec v0.1.1 [INFO] [stderr] Compiling actix-codec v0.1.2 [INFO] [stderr] Compiling tokio-tcp v0.1.3 [INFO] [stderr] Compiling tokio-udp v0.1.5 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling actix-utils v0.4.7 [INFO] [stderr] Compiling actix-server-config v0.1.2 [INFO] [stderr] Compiling actix-server-config v0.2.0 [INFO] [stderr] Compiling flate2 v1.0.13 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling derive_more v0.15.0 [INFO] [stderr] Compiling enum-as-inner v0.2.1 [INFO] [stderr] Compiling actix_derive v0.4.0 [INFO] [stderr] Compiling derive_more v0.14.1 [INFO] [stderr] Compiling maud_macros v0.21.0 [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/maud_macros-0.21.0/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(proc_macro_def_site)] [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/maud_macros-0.21.0/src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(proc_macro_diagnostic)] [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/maud_macros-0.21.0/src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(proc_macro_hygiene)] [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/maud_macros-0.21.0/src/lib.rs:4:1 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(proc_macro_quote)] [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/maud_macros-0.21.0/src/lib.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #![feature(proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling serde_derive v1.0.103 [INFO] [stdout] error: aborting due to 5 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 `maud_macros` [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" "c5ca6dfdc8645fa823200edab36766e78120524d76681c99976dd261673eb120", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c5ca6dfdc8645fa823200edab36766e78120524d76681c99976dd261673eb120", kill_on_drop: false }` [INFO] [stdout] c5ca6dfdc8645fa823200edab36766e78120524d76681c99976dd261673eb120