[INFO] cloning repository https://github.com/dinfuehr/dora
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dinfuehr/dora" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e71c4d93723ce2c525147b68ad3cecd48ab6e8a8
[INFO] testing dinfuehr/dora against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdinfuehr%2Fdora" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dinfuehr/dora on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-69/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/dinfuehr/dora
[INFO] finished tweaking git repo https://github.com/dinfuehr/dora
[INFO] tweaked toml for git repo https://github.com/dinfuehr/dora written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/dinfuehr/dora already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eac66d6e186bff53eb2cc37d77fcfbf88272a5329b8761b51f6fa681504e0e80
[INFO] running `Command { std: "docker" "start" "-a" "eac66d6e186bff53eb2cc37d77fcfbf88272a5329b8761b51f6fa681504e0e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eac66d6e186bff53eb2cc37d77fcfbf88272a5329b8761b51f6fa681504e0e80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eac66d6e186bff53eb2cc37d77fcfbf88272a5329b8761b51f6fa681504e0e80", kill_on_drop: false }`
[INFO] [stdout] eac66d6e186bff53eb2cc37d77fcfbf88272a5329b8761b51f6fa681504e0e80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df53c82d53733240f640f9a90519bd88ed122ce6247c681216585c5caf03e36b
[INFO] running `Command { std: "docker" "start" "-a" "df53c82d53733240f640f9a90519bd88ed122ce6247c681216585c5caf03e36b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling dora v0.0.2 (/opt/rustwide/workdir/dora)
[INFO] [stderr]    Compiling fixedbitset v0.4.0
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling dora-asm v0.0.1 (/opt/rustwide/workdir/dora-asm)
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling capstone-sys v0.10.0
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.4
[INFO] [stderr]    Compiling dora-parser v0.0.2 (/opt/rustwide/workdir/dora-parser)
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling capstone v0.6.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(allocator_api)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(llvm_asm)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> dora/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(new_uninit)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 `dora`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "df53c82d53733240f640f9a90519bd88ed122ce6247c681216585c5caf03e36b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df53c82d53733240f640f9a90519bd88ed122ce6247c681216585c5caf03e36b", kill_on_drop: false }`
[INFO] [stdout] df53c82d53733240f640f9a90519bd88ed122ce6247c681216585c5caf03e36b
