[INFO] fetching crate cloudlog-adifwatch 0.0.18...
[INFO] testing cloudlog-adifwatch-0.0.18 against 1.75.0 for beta-1.76-1
[INFO] extracting crate cloudlog-adifwatch 0.0.18 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate cloudlog-adifwatch 0.0.18 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloudlog-adifwatch 0.0.18
[INFO] finished tweaking crates.io crate cloudlog-adifwatch 0.0.18
[INFO] tweaked toml for crates.io crate cloudlog-adifwatch 0.0.18 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate cloudlog-adifwatch 0.0.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.20
[INFO] [stderr]   Downloaded serde_json v1.0.93
[INFO] [stderr]   Downloaded ureq v2.6.2
[INFO] [stderr]   Downloaded security-framework v2.8.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a298d3dfd6ddfdd53c48080beb15601f8a45c1224b3317ee25ed03a84dadc3d
[INFO] running `Command { std: "docker" "start" "-a" "9a298d3dfd6ddfdd53c48080beb15601f8a45c1224b3317ee25ed03a84dadc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a298d3dfd6ddfdd53c48080beb15601f8a45c1224b3317ee25ed03a84dadc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a298d3dfd6ddfdd53c48080beb15601f8a45c1224b3317ee25ed03a84dadc3d", kill_on_drop: false }`
[INFO] [stdout] 9a298d3dfd6ddfdd53c48080beb15601f8a45c1224b3317ee25ed03a84dadc3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b090b21ba3ee883271adb9a362b62a7c701a502bca3510f15082100a39b8a102
[INFO] running `Command { std: "docker" "start" "-a" "b090b21ba3ee883271adb9a362b62a7c701a502bca3510f15082100a39b8a102", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling notify v5.1.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling ureq v2.6.2
[INFO] [stderr]    Compiling cloudlog-adifwatch v0.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     maybe_uninit_slice,
[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 `cloudlog-adifwatch` (bin "cloudlog-adifwatch") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b090b21ba3ee883271adb9a362b62a7c701a502bca3510f15082100a39b8a102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b090b21ba3ee883271adb9a362b62a7c701a502bca3510f15082100a39b8a102", kill_on_drop: false }`
[INFO] [stdout] b090b21ba3ee883271adb9a362b62a7c701a502bca3510f15082100a39b8a102
[INFO] testing cloudlog-adifwatch-0.0.18 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate cloudlog-adifwatch 0.0.18 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate cloudlog-adifwatch 0.0.18 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cloudlog-adifwatch 0.0.18
[INFO] finished tweaking crates.io crate cloudlog-adifwatch 0.0.18
[INFO] tweaked toml for crates.io crate cloudlog-adifwatch 0.0.18 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate cloudlog-adifwatch 0.0.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd379dcd2a5f62d9621dbc21d7f206834fd2bd722ffed42b1235996b7649f7f
[INFO] running `Command { std: "docker" "start" "-a" "ecd379dcd2a5f62d9621dbc21d7f206834fd2bd722ffed42b1235996b7649f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd379dcd2a5f62d9621dbc21d7f206834fd2bd722ffed42b1235996b7649f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd379dcd2a5f62d9621dbc21d7f206834fd2bd722ffed42b1235996b7649f7f", kill_on_drop: false }`
[INFO] [stdout] ecd379dcd2a5f62d9621dbc21d7f206834fd2bd722ffed42b1235996b7649f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bef2e31e01d3db42fb333d39b29128c44606edc7259efa2971616c882e801d5d
[INFO] running `Command { std: "docker" "start" "-a" "bef2e31e01d3db42fb333d39b29128c44606edc7259efa2971616c882e801d5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling base64 v0.21.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling serde_json v1.0.93
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustls v0.20.8
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling rustls-pemfile v1.0.2
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rustls-native-certs v0.6.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling filetime v0.2.20
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling mio v0.8.6
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling flate2 v1.0.25
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling notify v5.1.0
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling webpki v0.22.0
[INFO] [stderr]    Compiling sct v0.7.0
[INFO] [stderr]    Compiling webpki-roots v0.22.6
[INFO] [stderr]    Compiling ureq v2.6.2
[INFO] [stderr]    Compiling cloudlog-adifwatch v0.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:2
[INFO] [stdout]   |
[INFO] [stdout] 2 |     maybe_uninit_slice,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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 `cloudlog-adifwatch` (bin "cloudlog-adifwatch") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "bef2e31e01d3db42fb333d39b29128c44606edc7259efa2971616c882e801d5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bef2e31e01d3db42fb333d39b29128c44606edc7259efa2971616c882e801d5d", kill_on_drop: false }`
[INFO] [stdout] bef2e31e01d3db42fb333d39b29128c44606edc7259efa2971616c882e801d5d
