[INFO] fetching crate mkmod 0.0.2...
[INFO] testing mkmod-0.0.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate mkmod 0.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mkmod 0.0.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate mkmod 0.0.2
[INFO] finished tweaking crates.io crate mkmod 0.0.2
[INFO] tweaked toml for crates.io crate mkmod 0.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate mkmod 0.0.2 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v3.2.20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f0045b090d791afbbdaacad3171f65708db8d9bb68d67ad9e68302a5bab5f37
[INFO] running `Command { std: "docker" "start" "-a" "6f0045b090d791afbbdaacad3171f65708db8d9bb68d67ad9e68302a5bab5f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f0045b090d791afbbdaacad3171f65708db8d9bb68d67ad9e68302a5bab5f37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f0045b090d791afbbdaacad3171f65708db8d9bb68d67ad9e68302a5bab5f37", kill_on_drop: false }`
[INFO] [stdout] 6f0045b090d791afbbdaacad3171f65708db8d9bb68d67ad9e68302a5bab5f37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adfa07a7fb1a78251d825c0ca7435e5f0c353b14e7f169ab6c3e297db5153d48
[INFO] running `Command { std: "docker" "start" "-a" "adfa07a7fb1a78251d825c0ca7435e5f0c353b14e7f169ab6c3e297db5153d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling textwrap v0.15.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling once_cell v1.14.0
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling clap v3.2.20
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling mkmod v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io_error_more)]
[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:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(file_create_new)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 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 `mkmod` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "adfa07a7fb1a78251d825c0ca7435e5f0c353b14e7f169ab6c3e297db5153d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adfa07a7fb1a78251d825c0ca7435e5f0c353b14e7f169ab6c3e297db5153d48", kill_on_drop: false }`
[INFO] [stdout] adfa07a7fb1a78251d825c0ca7435e5f0c353b14e7f169ab6c3e297db5153d48
