[INFO] fetching crate sdb 0.0.10...
[INFO] checking sdb-0.0.10 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate sdb 0.0.10 into /workspace/builds/worker-83/source
[INFO] validating manifest of crates.io crate sdb 0.0.10 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sdb 0.0.10
[INFO] finished tweaking crates.io crate sdb 0.0.10
[INFO] tweaked toml for crates.io crate sdb 0.0.10 written to /workspace/builds/worker-83/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sanakirja v1.2.11
[INFO] [stderr]   Downloaded sanakirja-core v1.2.13
[INFO] [stderr]   Downloaded desse v0.2.1
[INFO] [stderr]   Downloaded desse-derive v0.2.1
[INFO] [stderr]   Downloaded sdb_macro v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c17bf4cd0cc1904ac123fb5d893926b7e36723a52fe37e46ff65c70ac50d3ff1
[INFO] running `Command { std: "docker" "start" "-a" "c17bf4cd0cc1904ac123fb5d893926b7e36723a52fe37e46ff65c70ac50d3ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c17bf4cd0cc1904ac123fb5d893926b7e36723a52fe37e46ff65c70ac50d3ff1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17bf4cd0cc1904ac123fb5d893926b7e36723a52fe37e46ff65c70ac50d3ff1", kill_on_drop: false }`
[INFO] [stdout] c17bf4cd0cc1904ac123fb5d893926b7e36723a52fe37e46ff65c70ac50d3ff1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-83/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abff571abed9bc743ea757534712f19f2a5779044a52868cab2f25e1bb709ee3
[INFO] running `Command { std: "docker" "start" "-a" "abff571abed9bc743ea757534712f19f2a5779044a52868cab2f25e1bb709ee3", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition2021` has been stabilized in the 1.56 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/beta/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking sanakirja-core v1.2.13
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling sdb_macro v0.0.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking sanakirja v1.2.11
[INFO] [stderr]    Compiling desse-derive v0.2.1
[INFO] [stderr]     Checking desse v0.2.1
[INFO] [stderr]     Checking sdb v0.0.10 (/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(decl_macro)]
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro)]
[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] [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 `sdb` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "abff571abed9bc743ea757534712f19f2a5779044a52868cab2f25e1bb709ee3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abff571abed9bc743ea757534712f19f2a5779044a52868cab2f25e1bb709ee3", kill_on_drop: false }`
[INFO] [stdout] abff571abed9bc743ea757534712f19f2a5779044a52868cab2f25e1bb709ee3
