[INFO] fetching crate brio 0.2.0... [INFO] testing brio-0.2.0 against beta-2021-01-01 for beta-1.50-1 [INFO] extracting crate brio 0.2.0 into /workspace/builds/worker-6/source [INFO] validating manifest of crates.io crate brio 0.2.0 on toolchain beta-2021-01-01 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate brio 0.2.0 [INFO] finished tweaking crates.io crate brio 0.2.0 [INFO] tweaked toml for crates.io crate brio 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate crates.io crate brio 0.2.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded proc-macro-nested v0.1.3 [INFO] [stderr] Downloaded async-task v1.3.1 [INFO] [stderr] Downloaded arc-swap v0.4.4 [INFO] [stderr] Downloaded scopeguard v1.0.0 [INFO] [stderr] Downloaded kv-log-macro v1.0.4 [INFO] [stderr] Downloaded tokio-macros v0.2.4 [INFO] [stderr] Downloaded rand_chacha v0.2.1 [INFO] [stderr] Downloaded http v0.2.0 [INFO] [stderr] Downloaded h2 v0.2.1 [INFO] [stderr] Downloaded proc-macro-hack v0.5.11 [INFO] [stderr] Downloaded socket2 v0.3.11 [INFO] [stderr] Downloaded crossbeam-channel v0.4.0 [INFO] [stderr] Downloaded async-std v1.5.0 [INFO] [stderr] Downloaded tokio-util v0.2.0 [INFO] [stderr] Downloaded signal-hook v0.1.13 [INFO] [stderr] Downloaded tokio v0.2.11 [INFO] [stderr] Downloaded hyper v0.13.2 [INFO] [stderr] Downloaded futures-timer v2.0.2 [INFO] [stderr] Downloaded memoffset v0.5.3 [INFO] [stderr] Downloaded c2-chacha v0.2.3 [INFO] [stderr] Downloaded futures-timer v3.0.2 [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bfe8ec24b6ce09f0853414e861a53a2394e3486b4304e4c0f9e54b2bec9f8448 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bfe8ec24b6ce09f0853414e861a53a2394e3486b4304e4c0f9e54b2bec9f8448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bfe8ec24b6ce09f0853414e861a53a2394e3486b4304e4c0f9e54b2bec9f8448", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe8ec24b6ce09f0853414e861a53a2394e3486b4304e4c0f9e54b2bec9f8448", kill_on_drop: false }` [INFO] [stdout] bfe8ec24b6ce09f0853414e861a53a2394e3486b4304e4c0f9e54b2bec9f8448 [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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23835a4a32f907b897f02869af8a50689f636979084b5bb2714188ad85c4d33d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "23835a4a32f907b897f02869af8a50689f636979084b5bb2714188ad85c4d33d", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling scopeguard v1.0.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling futures-timer v2.0.2 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling once_cell v1.3.1 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling futures-timer v3.0.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.0 [INFO] [stderr] Compiling crossbeam-epoch v0.8.0 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling async-task v1.3.1 [INFO] [stderr] Compiling memoffset v0.5.3 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling signal-hook v0.1.13 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling kv-log-macro v1.0.4 [INFO] [stderr] Compiling crossbeam-channel v0.4.0 [INFO] [stderr] Compiling crossbeam-deque v0.7.2 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling async-std v1.5.0 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling brio v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(async_closure)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(or_patterns)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> src/lib.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(exclusive_range_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [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 `brio` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "23835a4a32f907b897f02869af8a50689f636979084b5bb2714188ad85c4d33d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23835a4a32f907b897f02869af8a50689f636979084b5bb2714188ad85c4d33d", kill_on_drop: false }` [INFO] [stdout] 23835a4a32f907b897f02869af8a50689f636979084b5bb2714188ad85c4d33d