[INFO] fetching crate flowrex 0.95.0...
[INFO] documenting flowrex-0.95.0 against 1.69.0 for beta-1.70-rustdoc-1
[INFO] extracting crate flowrex 0.95.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate flowrex 0.95.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flowrex 0.95.0
[INFO] finished tweaking crates.io crate flowrex 0.95.0
[INFO] tweaked toml for crates.io crate flowrex 0.95.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate flowrex 0.95.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.154
[INFO] [stderr]   Downloaded simplog v1.6.0
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[INFO] [stderr]   Downloaded cfg-expr v0.11.0
[INFO] [stderr]   Downloaded flowstdlib v0.95.0
[INFO] [stderr]   Downloaded wasmtime-types v6.0.1
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[INFO] [stderr]   Downloaded flowmacro v0.95.0
[INFO] [stderr]   Downloaded target-lexicon v0.12.6
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] [stderr]   Downloaded wasmtime-jit-debug v6.0.1
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[INFO] [stderr]   Downloaded cranelift-frontend v0.93.1
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[INFO] [stderr]   Downloaded cranelift-isle v0.93.1
[INFO] [stderr]   Downloaded flowcore v0.95.0
[INFO] [stderr]   Downloaded wasmtime-cranelift v6.0.1
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.93.1
[INFO] [stderr]   Downloaded flowrlib v0.95.0
[INFO] [stderr]   Downloaded regalloc2 v0.5.1
[INFO] [stderr]   Downloaded wasmtime-runtime v6.0.1
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[INFO] [stderr]   Downloaded cranelift-wasm v0.93.1
[INFO] [stderr]   Downloaded cranelift-codegen v0.93.1
[INFO] [stderr]   Downloaded zeromq-src v0.2.4+4.3.4
[INFO] [stderr]   Downloaded curl-sys v0.4.60+curl-7.88.1
[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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8916827367f175cc90a10040145fdcfee2d075973aecbab227ada3e690924ad4
[INFO] running `Command { std: "docker" "start" "-a" "8916827367f175cc90a10040145fdcfee2d075973aecbab227ada3e690924ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8916827367f175cc90a10040145fdcfee2d075973aecbab227ada3e690924ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8916827367f175cc90a10040145fdcfee2d075973aecbab227ada3e690924ad4", kill_on_drop: false }`
[INFO] [stdout] 8916827367f175cc90a10040145fdcfee2d075973aecbab227ada3e690924ad4
[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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b5dc072419c84d9239ee7f6f1c8b6f90dea54f0704868a5339fb5744b4cdf37
[INFO] running `Command { std: "docker" "start" "-a" "1b5dc072419c84d9239ee7f6f1c8b6f90dea54f0704868a5339fb5744b4cdf37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
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[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]     Checking matches v0.1.10
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[INFO] [stderr]    Compiling toml v0.5.11
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[INFO] [stderr]     Checking wasmparser v0.100.0
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[INFO] [stderr]    Compiling serde_yaml v0.9.19
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[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]     Checking wasmtime-types v6.0.1
[INFO] [stderr]     Checking flowcore v0.95.0
[INFO] [stderr]    Compiling flowstdlib v0.95.0
[INFO] [stderr]     Checking wasmtime-environ v6.0.1
[INFO] [stderr] error: failed to run custom build command for `flowstdlib v0.95.0`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/flowstdlib-d46ad8e0db048f4c/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flowstdlib-0.95.0
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   'No such file or directory (os error 2)' running 'flowc -d -g -l -O -o /root/.flow/lib/flowstdlib /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/flowstdlib-0.95.0'
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1b5dc072419c84d9239ee7f6f1c8b6f90dea54f0704868a5339fb5744b4cdf37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5dc072419c84d9239ee7f6f1c8b6f90dea54f0704868a5339fb5744b4cdf37", kill_on_drop: false }`
[INFO] [stdout] 1b5dc072419c84d9239ee7f6f1c8b6f90dea54f0704868a5339fb5744b4cdf37
