[INFO] fetching crate enum-utils 0.1.2... [INFO] checking enum-utils-0.1.2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] extracting crate enum-utils 0.1.2 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate enum-utils 0.1.2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", 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-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9ee4f59d64b5eded8a1f8910b0c2bcd6a516918be8a1d5770a4bfabbe1e1c8ed [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9ee4f59d64b5eded8a1f8910b0c2bcd6a516918be8a1d5770a4bfabbe1e1c8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9ee4f59d64b5eded8a1f8910b0c2bcd6a516918be8a1d5770a4bfabbe1e1c8ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9ee4f59d64b5eded8a1f8910b0c2bcd6a516918be8a1d5770a4bfabbe1e1c8ed", kill_on_drop: false }` [INFO] [stdout] 9ee4f59d64b5eded8a1f8910b0c2bcd6a516918be8a1d5770a4bfabbe1e1c8ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=forbid" "-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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] af632af2ebe8a21d5df994bb72a1c6671b69144b3a1bf29f022a221d81249884 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "af632af2ebe8a21d5df994bb72a1c6671b69144b3a1bf29f022a221d81249884", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling syn v1.0.42 [INFO] [stderr] Checking unicode-xid v0.2.1 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling adler v0.2.3 [INFO] [stderr] Compiling gimli v0.22.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling pulldown-cmark v0.4.1 [INFO] [stderr] Compiling rustc-demangle v0.1.17 [INFO] [stderr] Compiling object v0.20.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking semver-parser v0.9.0 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Checking regex v1.3.9 [INFO] [stderr] Checking quote v0.6.13 [INFO] [stderr] Compiling quote v1.0.7 [INFO] [stderr] Checking backtrace v0.3.51 [INFO] [stderr] Compiling enum-utils-from-str v0.1.2 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Compiling addr2line v0.13.0 [INFO] [stderr] Checking serde_derive_internals v0.25.0 [INFO] [stderr] Checking enum-utils v0.1.2 (/opt/rustwide/workdir) [INFO] [stderr] Checking version-sync v0.8.1 [INFO] [stdout] error[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: `#[deny(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 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0566`. [INFO] [stdout] [INFO] [stderr] error: could not compile `enum-utils` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "af632af2ebe8a21d5df994bb72a1c6671b69144b3a1bf29f022a221d81249884", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af632af2ebe8a21d5df994bb72a1c6671b69144b3a1bf29f022a221d81249884", kill_on_drop: false }` [INFO] [stdout] af632af2ebe8a21d5df994bb72a1c6671b69144b3a1bf29f022a221d81249884