[INFO] fetching crate enum-utils 0.1.2...
[INFO] checking enum-utils-0.1.2 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate enum-utils 0.1.2 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate enum-utils 0.1.2 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate enum-utils 0.1.2
[INFO] finished tweaking crates.io crate enum-utils 0.1.2
[INFO] tweaked toml for crates.io crate enum-utils 0.1.2 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e4841dac65d8ae13ce6a30c46cd6fd1a7088c1c8293c325d67523dd8f150d63
[INFO] running `Command { std: "docker" "start" "-a" "4e4841dac65d8ae13ce6a30c46cd6fd1a7088c1c8293c325d67523dd8f150d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e4841dac65d8ae13ce6a30c46cd6fd1a7088c1c8293c325d67523dd8f150d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e4841dac65d8ae13ce6a30c46cd6fd1a7088c1c8293c325d67523dd8f150d63", kill_on_drop: false }`
[INFO] [stdout] 4e4841dac65d8ae13ce6a30c46cd6fd1a7088c1c8293c325d67523dd8f150d63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 676081a8de5e78c46d99de3410cac8e10475c72ddb8ac231795328d959bc883a
[INFO] running `Command { std: "docker" "start" "-a" "676081a8de5e78c46d99de3410cac8e10475c72ddb8ac231795328d959bc883a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling gimli v0.25.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking enum-utils-from-str v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking serde_derive_internals v0.25.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]    Compiling addr2line v0.16.0
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]     Checking enum-utils v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning[E0566]: conflicting representation hints
[INFO] [stdout]   --> tests/iter.rs:57:8
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[repr(C, u16)]
[INFO] [stdout]    |        ^  ^^^
[INFO] [stdout] 58 | #[repr(align(2))]
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(conflicting_repr_hints)]` 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]    = note: for more information, see issue #68585 <https://github.com/rust-lang/rust/issues/68585>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0566`.
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.02s
[INFO] running `Command { std: "docker" "inspect" "676081a8de5e78c46d99de3410cac8e10475c72ddb8ac231795328d959bc883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676081a8de5e78c46d99de3410cac8e10475c72ddb8ac231795328d959bc883a", kill_on_drop: false }`
[INFO] [stdout] 676081a8de5e78c46d99de3410cac8e10475c72ddb8ac231795328d959bc883a
