[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] checking mattyg/bug-reproduction-serialize-unit-value against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyg%2Fbug-reproduction-serialize-unit-value" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[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" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89d0e88c0afa8b809c4771847a7cfba4978141cd59c6a6c9724f1c32146e10d4
[INFO] running `Command { std: "docker" "start" "-a" "89d0e88c0afa8b809c4771847a7cfba4978141cd59c6a6c9724f1c32146e10d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89d0e88c0afa8b809c4771847a7cfba4978141cd59c6a6c9724f1c32146e10d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d0e88c0afa8b809c4771847a7cfba4978141cd59c6a6c9724f1c32146e10d4", kill_on_drop: false }`
[INFO] [stdout] 89d0e88c0afa8b809c4771847a7cfba4978141cd59c6a6c9724f1c32146e10d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d66c305ec94e87de47a15a71d3ca15ba2c7064a27eefbd584e1762fb88dcd2a
[INFO] running `Command { std: "docker" "start" "-a" "2d66c305ec94e87de47a15a71d3ca15ba2c7064a27eefbd584e1762fb88dcd2a", kill_on_drop: false }`
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[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.6.4
[INFO] [stderr]    Compiling thiserror v1.0.49
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking value-bag v1.4.1
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/ahash-0.8.3/src/lib.rs:99:42
[INFO] [stdout]    |
[INFO] [stdout] 99 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "2d66c305ec94e87de47a15a71d3ca15ba2c7064a27eefbd584e1762fb88dcd2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d66c305ec94e87de47a15a71d3ca15ba2c7064a27eefbd584e1762fb88dcd2a", kill_on_drop: false }`
[INFO] [stdout] 2d66c305ec94e87de47a15a71d3ca15ba2c7064a27eefbd584e1762fb88dcd2a
[INFO] checking mattyg/bug-reproduction-serialize-unit-value against try#36dbcaee1a55543dfc181be52a69d99ff46ff62f for pr-122960-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattyg%2Fbug-reproduction-serialize-unit-value" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattyg/bug-reproduction-serialize-unit-value on toolchain 36dbcaee1a55543dfc181be52a69d99ff46ff62f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[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" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca99a6c68553f4c3c35c5f80ff88c871d54f5a5fa202553dba0efffae158016f
[INFO] running `Command { std: "docker" "start" "-a" "ca99a6c68553f4c3c35c5f80ff88c871d54f5a5fa202553dba0efffae158016f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca99a6c68553f4c3c35c5f80ff88c871d54f5a5fa202553dba0efffae158016f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca99a6c68553f4c3c35c5f80ff88c871d54f5a5fa202553dba0efffae158016f", kill_on_drop: false }`
[INFO] [stdout] ca99a6c68553f4c3c35c5f80ff88c871d54f5a5fa202553dba0efffae158016f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+36dbcaee1a55543dfc181be52a69d99ff46ff62f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb4e2a48020ea0fc0625bec3456898b632d24084d339dbbe6b01e9386ecf3222
[INFO] running `Command { std: "docker" "start" "-a" "cb4e2a48020ea0fc0625bec3456898b632d24084d339dbbe6b01e9386ecf3222", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "cb4e2a48020ea0fc0625bec3456898b632d24084d339dbbe6b01e9386ecf3222", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb4e2a48020ea0fc0625bec3456898b632d24084d339dbbe6b01e9386ecf3222", kill_on_drop: false }`
[INFO] [stdout] cb4e2a48020ea0fc0625bec3456898b632d24084d339dbbe6b01e9386ecf3222