[INFO] fetching crate mainline-dht 0.2.0... [INFO] testing mainline-dht-0.2.0 against 1.60.0 for beta-1.61-1 [INFO] extracting crate mainline-dht 0.2.0 into /workspace/builds/worker-32/source [INFO] validating manifest of crates.io crate mainline-dht 0.2.0 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 mainline-dht 0.2.0 [INFO] finished tweaking crates.io crate mainline-dht 0.2.0 [INFO] tweaked toml for crates.io crate mainline-dht 0.2.0 written to /workspace/builds/worker-32/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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded serde_bencode v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cb406adaf5a43032672fe5c5b8898e06b36ceada23111bf2f26f096667330ae7 [INFO] running `Command { std: "docker" "start" "-a" "cb406adaf5a43032672fe5c5b8898e06b36ceada23111bf2f26f096667330ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cb406adaf5a43032672fe5c5b8898e06b36ceada23111bf2f26f096667330ae7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb406adaf5a43032672fe5c5b8898e06b36ceada23111bf2f26f096667330ae7", kill_on_drop: false }` [INFO] [stdout] cb406adaf5a43032672fe5c5b8898e06b36ceada23111bf2f26f096667330ae7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-32/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 224224a06f65ffe05b93ce5fb57907c723023fcbd4534080fb590eb98573b40b [INFO] running `Command { std: "docker" "start" "-a" "224224a06f65ffe05b93ce5fb57907c723023fcbd4534080fb590eb98573b40b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling slab v0.4.6 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling event-listener v2.5.2 [INFO] [stderr] Compiling waker-fn v1.1.0 [INFO] [stderr] Compiling parking v2.0.0 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling async-task v4.2.0 [INFO] [stderr] Compiling atomic-waker v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.16 [INFO] [stderr] Compiling hex v0.4.3 [INFO] [stderr] Compiling libc v0.2.123 [INFO] [stderr] Compiling value-bag v1.0.0-alpha.8 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling async-mutex v1.4.0 [INFO] [stderr] Compiling async-lock v2.5.0 [INFO] [stderr] Compiling futures-lite v1.12.0 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling getrandom v0.2.6 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling async-executor v1.4.1 [INFO] [stderr] Compiling blocking v1.2.0 [INFO] [stderr] Compiling ctor v0.1.22 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling async-stream v0.3.3 [INFO] [stderr] Compiling polling v2.2.0 [INFO] [stderr] Compiling kv-log-macro v1.0.7 [INFO] [stderr] Compiling async-io v1.6.0 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling async-global-executor v2.0.4 [INFO] [stderr] Compiling async-std v1.11.0 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling serde_bytes v0.11.5 [INFO] [stderr] Compiling serde_bencode v0.2.3 [INFO] [stderr] Compiling mainline-dht v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | #![feature(btree_drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/lib.rs:5:12 [INFO] [stdout] | [INFO] [stdout] 5 | #![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] --> src/lib.rs:6:12 [INFO] [stdout] | [INFO] [stdout] 6 | #![feature(duration_constants)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 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 `mainline-dht` due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "224224a06f65ffe05b93ce5fb57907c723023fcbd4534080fb590eb98573b40b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "224224a06f65ffe05b93ce5fb57907c723023fcbd4534080fb590eb98573b40b", kill_on_drop: false }` [INFO] [stdout] 224224a06f65ffe05b93ce5fb57907c723023fcbd4534080fb590eb98573b40b