[INFO] cloning repository https://github.com/38/limo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/38/limo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Flimo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Flimo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] af36692099cf4fa891e60cbcc07cba85f878656c [INFO] testing 38/limo against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F38%2Flimo" "/workspace/builds/worker-17/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/38/limo on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/38/limo [INFO] finished tweaking git repo https://github.com/38/limo [INFO] tweaked toml for git repo https://github.com/38/limo written to /workspace/builds/worker-17/source/Cargo.toml [INFO] crate git repo https://github.com/38/limo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/profiles.html#overrides for more information about using this feature. [INFO] [stderr] warning: unused manifest key: profile.dev.overrides [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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f64d631f8e51c77a5b8d9295e806e0bbc72f94716c59c2a44b2a3ddf4330efd2 [INFO] running `Command { std: "docker" "start" "-a" "f64d631f8e51c77a5b8d9295e806e0bbc72f94716c59c2a44b2a3ddf4330efd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f64d631f8e51c77a5b8d9295e806e0bbc72f94716c59c2a44b2a3ddf4330efd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f64d631f8e51c77a5b8d9295e806e0bbc72f94716c59c2a44b2a3ddf4330efd2", kill_on_drop: false }` [INFO] [stdout] f64d631f8e51c77a5b8d9295e806e0bbc72f94716c59c2a44b2a3ddf4330efd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd3265bf589e2487b0166b6119df0ffe2593a0e3cecc889ce55946ced2f64cb5 [INFO] running `Command { std: "docker" "start" "-a" "bd3265bf589e2487b0166b6119df0ffe2593a0e3cecc889ce55946ced2f64cb5", kill_on_drop: false }` [INFO] [stderr] warning: the cargo feature `profile-overrides` has been stabilized in the 1.41 release and is no longer necessary to be listed in the manifest [INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/profiles.html#overrides for more information about using this feature. [INFO] [stderr] warning: unused manifest key: profile.dev.overrides [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.43 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling cc v1.0.25 [INFO] [stderr] Compiling ucd-util v0.1.1 [INFO] [stderr] Compiling regex v1.0.5 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling utf8-ranges v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling yaml-rust v0.3.5 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling bindgen v0.42.1 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.80 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling termcolor v0.3.6 [INFO] [stderr] Compiling log v0.4.5 [INFO] [stderr] Compiling humantime v1.1.1 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling memchr v2.1.0 [INFO] [stderr] Compiling lazy_static v1.1.0 [INFO] [stderr] Compiling clang-sys v0.26.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling num_cpus v1.8.0 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling regex-syntax v0.6.2 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling threadpool v1.7.1 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling aho-corasick v0.6.8 [INFO] [stderr] Compiling nom v4.1.0 [INFO] [stderr] Compiling syn v0.15.22 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling chrono v0.4.6 [INFO] [stderr] Compiling cexpr v0.3.0 [INFO] [stderr] Compiling stderrlog v0.4.1 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling frontend v0.1.0 (/opt/rustwide/workdir/libs/frontend) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> libs/frontend/src/lib.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(core_intrinsics)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> libs/frontend/src/bamfile.rs:360:27 [INFO] [stdout] | [INFO] [stdout] 360 | let len = unsafe{ (*(*hdr).target_len.offset(chrom as isize)) }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [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 `frontend` due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "bd3265bf589e2487b0166b6119df0ffe2593a0e3cecc889ce55946ced2f64cb5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd3265bf589e2487b0166b6119df0ffe2593a0e3cecc889ce55946ced2f64cb5", kill_on_drop: false }` [INFO] [stdout] bd3265bf589e2487b0166b6119df0ffe2593a0e3cecc889ce55946ced2f64cb5