[INFO] cloning repository https://github.com/mattyg/bug-reproduction-serialize-unit-value
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattyg/bug-reproduction-serialize-unit-value" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyg%2Fbug-reproduction-serialize-unit-value", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyg%2Fbug-reproduction-serialize-unit-value'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 978f97038d122a59fcbedb9216e2cc2f616f70a5
[INFO] testing mattyg/bug-reproduction-serialize-unit-value against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyg%2Fbug-reproduction-serialize-unit-value" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value
[INFO] finished tweaking git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value
[INFO] tweaked toml for git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v1.3.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e9924693a7d3803df9f3395028920fa857b2ab8d58acb65ba6c5b7fd8ae94799
[INFO] running `Command { std: "docker" "start" "-a" "e9924693a7d3803df9f3395028920fa857b2ab8d58acb65ba6c5b7fd8ae94799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9924693a7d3803df9f3395028920fa857b2ab8d58acb65ba6c5b7fd8ae94799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9924693a7d3803df9f3395028920fa857b2ab8d58acb65ba6c5b7fd8ae94799", kill_on_drop: false }`
[INFO] [stdout] e9924693a7d3803df9f3395028920fa857b2ab8d58acb65ba6c5b7fd8ae94799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e40180f8bd372afffb2ce148bde1b09a5a1e67ca19fb870e01cdcb3606df199
[INFO] running `Command { std: "docker" "start" "-a" "4e40180f8bd372afffb2ce148bde1b09a5a1e67ca19fb870e01cdcb3606df199", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.166
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling target-lexicon v0.12.11
[INFO] [stderr]    Compiling rkyv v0.7.42
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling corosensei v0.1.4
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rustix v0.38.19
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.82.3
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling smallvec v1.11.1
[INFO] [stderr]    Compiling gimli v0.28.0
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.82.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling test-fuzz-internal v3.0.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.1
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling rustc-demangle v0.1.23
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling object v0.32.1
[INFO] [stderr]    Compiling seahash v4.1.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.6/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4e40180f8bd372afffb2ce148bde1b09a5a1e67ca19fb870e01cdcb3606df199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e40180f8bd372afffb2ce148bde1b09a5a1e67ca19fb870e01cdcb3606df199", kill_on_drop: false }`
[INFO] [stdout] 4e40180f8bd372afffb2ce148bde1b09a5a1e67ca19fb870e01cdcb3606df199