[INFO] fetching crate canonical_host 0.5.0... [INFO] testing canonical_host-0.5.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate canonical_host 0.5.0 into /workspace/builds/worker-24/source [INFO] validating manifest of crates.io crate canonical_host 0.5.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate canonical_host 0.5.0 [INFO] finished tweaking crates.io crate canonical_host 0.5.0 [INFO] tweaked toml for crates.io crate canonical_host 0.5.0 written to /workspace/builds/worker-24/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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" "+beta-2022-04-10" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4ba6b0b6b974e8aa485aca22fa968da0912f373100c25d6dc6d60850a21c3173 [INFO] running `Command { std: "docker" "start" "-a" "4ba6b0b6b974e8aa485aca22fa968da0912f373100c25d6dc6d60850a21c3173", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4ba6b0b6b974e8aa485aca22fa968da0912f373100c25d6dc6d60850a21c3173", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ba6b0b6b974e8aa485aca22fa968da0912f373100c25d6dc6d60850a21c3173", kill_on_drop: false }` [INFO] [stdout] 4ba6b0b6b974e8aa485aca22fa968da0912f373100c25d6dc6d60850a21c3173 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-24/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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2347540baaea743c9e37959f639c4c3ad0a4adf2f23d91e7ef98defa9ac0d33e [INFO] running `Command { std: "docker" "start" "-a" "2347540baaea743c9e37959f639c4c3ad0a4adf2f23d91e7ef98defa9ac0d33e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling nodrop v0.1.14 [INFO] [stderr] Compiling constant_time_eq v0.1.5 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling arrayref v0.3.6 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling smallvec v1.8.0 [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling seahash v3.0.7 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling instant v0.1.12 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling lock_api v0.4.7 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling blake2b_simd v0.3.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling appendix v0.2.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling derive_arbitrary v0.3.3 [INFO] [stderr] Compiling arbitrary v0.3.3 [INFO] [stderr] Compiling canonical v0.5.3 [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/canonical-0.5.3/src/lib.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #![feature(never_type)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [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 `canonical` due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "2347540baaea743c9e37959f639c4c3ad0a4adf2f23d91e7ef98defa9ac0d33e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2347540baaea743c9e37959f639c4c3ad0a4adf2f23d91e7ef98defa9ac0d33e", kill_on_drop: false }` [INFO] [stdout] 2347540baaea743c9e37959f639c4c3ad0a4adf2f23d91e7ef98defa9ac0d33e