[INFO] fetching crate flatrv 0.1.1...
[INFO] testing flatrv-0.1.1 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate flatrv 0.1.1 into /workspace/builds/worker-119/source
[INFO] validating manifest of crates.io crate flatrv 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-119/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-2021-08-01" "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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 703e744afc4f5b99b68771cf2f32943e4821f7f0ed98225d67feab8c179ebfb4
[INFO] running `Command { std: "docker" "start" "-a" "703e744afc4f5b99b68771cf2f32943e4821f7f0ed98225d67feab8c179ebfb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "703e744afc4f5b99b68771cf2f32943e4821f7f0ed98225d67feab8c179ebfb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "703e744afc4f5b99b68771cf2f32943e4821f7f0ed98225d67feab8c179ebfb4", kill_on_drop: false }`
[INFO] [stdout] 703e744afc4f5b99b68771cf2f32943e4821f7f0ed98225d67feab8c179ebfb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2eebaf85eaf06e2c36afdf65402b53c4659d5117e04098eee6182518ae8860c
[INFO] running `Command { std: "docker" "start" "-a" "e2eebaf85eaf06e2c36afdf65402b53c4659d5117e04098eee6182518ae8860c", kill_on_drop: false }`
[INFO] [stderr]    Compiling scroll v0.10.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling spin v0.5.2
[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[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(core_intrinsics, const_fn, atomic_min_max, stdsimd)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `flatrv` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "e2eebaf85eaf06e2c36afdf65402b53c4659d5117e04098eee6182518ae8860c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2eebaf85eaf06e2c36afdf65402b53c4659d5117e04098eee6182518ae8860c", kill_on_drop: false }`
[INFO] [stdout] e2eebaf85eaf06e2c36afdf65402b53c4659d5117e04098eee6182518ae8860c
