[INFO] fetching crate melprot 0.13.10...
[INFO] checking melprot-0.13.10 against master#4b9792692fbb675174d4d2082e7c37b2bc930e71 for pr-153692-1
[INFO] extracting crate melprot 0.13.10 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate melprot 0.13.10
[INFO] finished tweaking crates.io crate melprot 0.13.10
[INFO] tweaked toml for crates.io crate melprot 0.13.10 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate melprot 0.13.10 on toolchain 4b9792692fbb675174d4d2082e7c37b2bc930e71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate melprot 0.13.10 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
[INFO] [stderr]   Downloaded ed25519-consensus v1.2.1
[INFO] [stderr]   Downloaded stdcode v0.1.14
[INFO] [stderr]   Downloaded tmelcrypt v0.2.7
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded derive_arbitrary v1.3.2
[INFO] [stderr]   Downloaded base32 v0.4.0
[INFO] [stderr]   Downloaded cache-padded v1.3.0
[INFO] [stderr]   Downloaded tabwriter v1.4.0
[INFO] [stderr]   Downloaded smolscale v0.3.54
[INFO] [stderr]   Downloaded arbitrary v1.3.2
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[INFO] [stderr]   Downloaded generator v0.7.5
[INFO] [stderr]   Downloaded flume v0.10.14
[INFO] [stderr]   Downloaded replace_with v0.1.7
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[INFO] [stderr]   Downloaded lru v0.7.8
[INFO] [stderr]   Downloaded syn v2.0.68
[INFO] [stderr]   Downloaded genawaiter-proc-macro v0.99.1
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[INFO] [stderr]   Downloaded genawaiter-macro v0.99.1
[INFO] [stderr]   Downloaded nanorpc-http v0.1.5
[INFO] [stderr]   Downloaded nanorpc-derive v0.1.5
[INFO] [stderr]   Downloaded async-io v2.3.3
[INFO] [stderr]   Downloaded cc v1.0.104
[INFO] [stderr]   Downloaded async-signal v0.2.8
[INFO] [stderr]   Downloaded novasmt v0.2.20
[INFO] [stderr]   Downloaded genawaiter v0.99.1
[INFO] [stderr]   Downloaded proc-macro-error v0.4.12
[INFO] [stderr]   Downloaded http-body v1.0.0-rc.2
[INFO] [stderr]   Downloaded http-body-util v0.1.0-rc.2
[INFO] [stderr]   Downloaded smol v1.3.0
[INFO] [stderr]   Downloaded nanorpc v0.1.12
[INFO] [stderr]   Downloaded parse-display v0.5.5
[INFO] [stderr]   Downloaded structmeta v0.1.6
[INFO] [stderr]   Downloaded async-compat v0.2.4
[INFO] [stderr]   Downloaded melstructs v0.3.3
[INFO] [stderr]   Downloaded parse-display-derive v0.5.5
[INFO] [stderr]   Downloaded async-net v1.8.0
[INFO] [stderr]   Downloaded async-socks5 v0.6.0
[INFO] [stderr]   Downloaded structmeta-derive v0.1.6
[INFO] [stderr]   Downloaded triomphe v0.1.13
[INFO] [stderr]   Downloaded reusable-box-future v0.2.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.4
[INFO] [stderr]   Downloaded melbootstrap v0.8.5
[INFO] [stderr]   Downloaded argh_shared v0.1.12
[INFO] [stderr]   Downloaded melnet2 v0.3.3
[INFO] [stderr]   Downloaded ethnum v1.5.0
[INFO] [stderr]   Downloaded argh v0.1.12
[INFO] [stderr]   Downloaded argh_derive v0.1.12
[INFO] [stderr]   Downloaded uuid v1.9.1
[INFO] [stderr]   Downloaded smol-timeout v0.6.0
[INFO] [stderr]   Downloaded quanta v0.11.1
[INFO] [stderr]   Downloaded lz4_flex v0.9.5
[INFO] [stderr]   Downloaded blake3 v1.5.1
[INFO] [stderr]   Downloaded hyper v1.0.0-rc.2
[INFO] [stderr]   Downloaded serde_json v1.0.120
[INFO] [stderr]   Downloaded raw-cpuid v10.7.0
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded moka v0.9.9
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] [stderr]   Downloaded curve25519-dalek-ng v4.1.1
[INFO] [stderr]   Downloaded honggfuzz v0.5.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9b6b2a6c50a1f49ce0d67363721d72f5666339b35850aab2aeab88a0ddb1085d
[INFO] running `Command { std: "docker" "start" "-a" "9b6b2a6c50a1f49ce0d67363721d72f5666339b35850aab2aeab88a0ddb1085d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9b6b2a6c50a1f49ce0d67363721d72f5666339b35850aab2aeab88a0ddb1085d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b6b2a6c50a1f49ce0d67363721d72f5666339b35850aab2aeab88a0ddb1085d", kill_on_drop: false }`
[INFO] [stdout] 9b6b2a6c50a1f49ce0d67363721d72f5666339b35850aab2aeab88a0ddb1085d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4b9792692fbb675174d4d2082e7c37b2bc930e71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01764917560f72d786e2d51749760ee9a7e5df4375f66b1971a5156452dc3f88
[INFO] running `Command { std: "docker" "start" "-a" "01764917560f72d786e2d51749760ee9a7e5df4375f66b1971a5156452dc3f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling cc v1.0.104
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling thiserror v1.0.61
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking piper v0.2.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rustix v0.37.27
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.27/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.27/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_start` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.27/src/backend/linux_raw/io/errno.rs:28:25
[INFO] [stdout]    |
[INFO] [stdout] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stdout] error: cannot find attribute `rustc_layout_scalar_valid_range_end` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.37.27/src/backend/linux_raw/io/errno.rs:29:25
[INFO] [stdout]    |
[INFO] [stdout] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))]
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-executor v1.12.0
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking constant_time_eq v0.3.0
[INFO] [stderr]    Compiling serde_json v1.0.120
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.20+deprecated
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking arrayref v0.3.7
[INFO] [stderr]    Compiling httparse v1.9.4
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking blocking v1.6.1
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling blake3 v1.5.1
[INFO] [stderr]    Compiling backtrace v0.3.73
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking event-listener v3.1.0
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking gimli v0.29.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking raw-cpuid v10.7.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr] error: could not compile `rustix` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "01764917560f72d786e2d51749760ee9a7e5df4375f66b1971a5156452dc3f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01764917560f72d786e2d51749760ee9a7e5df4375f66b1971a5156452dc3f88", kill_on_drop: false }`
[INFO] [stdout] 01764917560f72d786e2d51749760ee9a7e5df4375f66b1971a5156452dc3f88
