[INFO] fetching crate desk-locker 1.0.1...
[INFO] checking desk-locker-1.0.1 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate desk-locker 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate desk-locker 1.0.1 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 desk-locker 1.0.1
[INFO] finished tweaking crates.io crate desk-locker 1.0.1
[INFO] tweaked toml for crates.io crate desk-locker 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate desk-locker 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5849102eedea6eb87be7095393e00e9a4e15016c7d22da96ab15e5ef7759615c
[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" "5849102eedea6eb87be7095393e00e9a4e15016c7d22da96ab15e5ef7759615c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5849102eedea6eb87be7095393e00e9a4e15016c7d22da96ab15e5ef7759615c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5849102eedea6eb87be7095393e00e9a4e15016c7d22da96ab15e5ef7759615c", kill_on_drop: false }`
[INFO] [stdout] 5849102eedea6eb87be7095393e00e9a4e15016c7d22da96ab15e5ef7759615c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 3162dab1cb23636ecdfc16cfbf399311c2777902b2ebc346f91a906fde1629d0
[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" "3162dab1cb23636ecdfc16cfbf399311c2777902b2ebc346f91a906fde1629d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling libdbus-sys v0.2.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking dbus v0.9.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking desk-logind v1.1.1
[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/desk-logind-1.1.1/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(backtrace)]
[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 `desk-logind` 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" "3162dab1cb23636ecdfc16cfbf399311c2777902b2ebc346f91a906fde1629d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3162dab1cb23636ecdfc16cfbf399311c2777902b2ebc346f91a906fde1629d0", kill_on_drop: false }`
[INFO] [stdout] 3162dab1cb23636ecdfc16cfbf399311c2777902b2ebc346f91a906fde1629d0
