[INFO] fetching crate std_detect 0.1.5...
[INFO] testing std_detect-0.1.5 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate std_detect 0.1.5 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate std_detect 0.1.5 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate std_detect 0.1.5
[INFO] finished tweaking crates.io crate std_detect 0.1.5
[INFO] tweaked toml for crates.io crate std_detect 0.1.5 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d94ff2bc845a9182adbe92944c74eb0d7d173f5a325e7f69d2325b314378888
[INFO] running `Command { std: "docker" "start" "-a" "7d94ff2bc845a9182adbe92944c74eb0d7d173f5a325e7f69d2325b314378888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d94ff2bc845a9182adbe92944c74eb0d7d173f5a325e7f69d2325b314378888", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d94ff2bc845a9182adbe92944c74eb0d7d173f5a325e7f69d2325b314378888", kill_on_drop: false }`
[INFO] [stdout] 7d94ff2bc845a9182adbe92944c74eb0d7d173f5a325e7f69d2325b314378888
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9e37d51a5bf80a2c67078fac98b0e6fd1766503a23c1676ceee120967d05982
[INFO] running `Command { std: "docker" "start" "-a" "a9e37d51a5bf80a2c67078fac98b0e6fd1766503a23c1676ceee120967d05982", kill_on_drop: false }`
[INFO] [stderr]    Compiling std_detect v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(const_fn, staged_api, stdsimd, doc_cfg, allow_internal_unstable)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(const_fn, staged_api, stdsimd, doc_cfg, allow_internal_unstable)]
[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:18:34
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![cfg_attr(target_os = "linux", feature(linkage))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0545]: `issue` must be a non-zero numeric string or "none"
[INFO] [stdout]    --> src/detect/arch/x86.rs:251:42
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[unstable(feature = "stdsimd_internal", issue = "0")]
[INFO] [stdout]     |                                          ^^^^^^^^---
[INFO] [stdout]     |                                                  |
[INFO] [stdout]     |                                                  `issue` must not be "0", use "none" instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0545, E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0545`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `std_detect` due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "a9e37d51a5bf80a2c67078fac98b0e6fd1766503a23c1676ceee120967d05982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e37d51a5bf80a2c67078fac98b0e6fd1766503a23c1676ceee120967d05982", kill_on_drop: false }`
[INFO] [stdout] a9e37d51a5bf80a2c67078fac98b0e6fd1766503a23c1676ceee120967d05982