[INFO] fetching crate flatrv 0.1.1...
[INFO] testing flatrv-0.1.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate flatrv 0.1.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate flatrv 0.1.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flatrv 0.1.1
[INFO] finished tweaking crates.io crate flatrv 0.1.1
[INFO] tweaked toml for crates.io crate flatrv 0.1.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1c15c7febb2aa8a5d3226d536aac91fbe5e1d43766894e492bcd14338b015c
[INFO] running `Command { std: "docker" "start" "-a" "de1c15c7febb2aa8a5d3226d536aac91fbe5e1d43766894e492bcd14338b015c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1c15c7febb2aa8a5d3226d536aac91fbe5e1d43766894e492bcd14338b015c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1c15c7febb2aa8a5d3226d536aac91fbe5e1d43766894e492bcd14338b015c", kill_on_drop: false }`
[INFO] [stdout] de1c15c7febb2aa8a5d3226d536aac91fbe5e1d43766894e492bcd14338b015c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 446808cf1b4459c07e6aad05850af41f86d066e8cd8c357945c16e0dae18a2ec
[INFO] running `Command { std: "docker" "start" "-a" "446808cf1b4459c07e6aad05850af41f86d066e8cd8c357945c16e0dae18a2ec", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling goblin v0.1.3
[INFO] [stderr]    Compiling flatrv v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, const_fn, atomic_min_max, stdsimd)]
[INFO] [stdout]   |                             ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: flatrv depends on release mode for correctness
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     compile_error!("flatrv depends on release mode for correctness");
[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 E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatrv` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "446808cf1b4459c07e6aad05850af41f86d066e8cd8c357945c16e0dae18a2ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446808cf1b4459c07e6aad05850af41f86d066e8cd8c357945c16e0dae18a2ec", kill_on_drop: false }`
[INFO] [stdout] 446808cf1b4459c07e6aad05850af41f86d066e8cd8c357945c16e0dae18a2ec