[INFO] cloning repository https://github.com/codepage949/birth-stone
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codepage949/birth-stone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepage949%2Fbirth-stone", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepage949%2Fbirth-stone'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 01fda39d7b022b300634a61fb89d16db11a4711e
[INFO] testing codepage949/birth-stone against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepage949%2Fbirth-stone" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codepage949/birth-stone 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] started tweaking git repo https://github.com/codepage949/birth-stone
[INFO] finished tweaking git repo https://github.com/codepage949/birth-stone
[INFO] tweaked toml for git repo https://github.com/codepage949/birth-stone written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/codepage949/birth-stone 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] c8d411f26679aeb89e20b08e14bff3b30b81c34c855bd02ffca74131ae864c8a
[INFO] running `Command { std: "docker" "start" "-a" "c8d411f26679aeb89e20b08e14bff3b30b81c34c855bd02ffca74131ae864c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8d411f26679aeb89e20b08e14bff3b30b81c34c855bd02ffca74131ae864c8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8d411f26679aeb89e20b08e14bff3b30b81c34c855bd02ffca74131ae864c8a", kill_on_drop: false }`
[INFO] [stdout] c8d411f26679aeb89e20b08e14bff3b30b81c34c855bd02ffca74131ae864c8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] 15d8d51dd94bf38588099251fecbe69b12d08d848e5114ad2b24978be0b4e544
[INFO] running `Command { std: "docker" "start" "-a" "15d8d51dd94bf38588099251fecbe69b12d08d848e5114ad2b24978be0b4e544", kill_on_drop: false }`
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling birth-stone v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(lang_items)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function or static
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     #[no_mangle]
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 6 |     fn printk(s: *const u8, len: cty::c_int) -> cty::c_int;
[INFO] [stdout]   |     ------------------------------------------------------- not a function or static
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `birth-stone`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "15d8d51dd94bf38588099251fecbe69b12d08d848e5114ad2b24978be0b4e544", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15d8d51dd94bf38588099251fecbe69b12d08d848e5114ad2b24978be0b4e544", kill_on_drop: false }`
[INFO] [stdout] 15d8d51dd94bf38588099251fecbe69b12d08d848e5114ad2b24978be0b4e544
