[INFO] cloning repository https://github.com/djkoloski/rust_serialization_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/djkoloski/rust_serialization_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb3737e72087522b41d73f22384ca57ed7b12f7b
[INFO] documenting djkoloski/rust_serialization_benchmark against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdjkoloski%2Frust_serialization_benchmark" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/djkoloski/rust_serialization_benchmark on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] finished tweaking git repo https://github.com/djkoloski/rust_serialization_benchmark
[INFO] tweaked toml for git repo https://github.com/djkoloski/rust_serialization_benchmark written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
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[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 709bd64b5dd8175992bfe9cbb9ff305dca56d77836e0ce87b519ecad31fa6cd6
[INFO] running `Command { std: "docker" "start" "-a" "709bd64b5dd8175992bfe9cbb9ff305dca56d77836e0ce87b519ecad31fa6cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "709bd64b5dd8175992bfe9cbb9ff305dca56d77836e0ce87b519ecad31fa6cd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "709bd64b5dd8175992bfe9cbb9ff305dca56d77836e0ce87b519ecad31fa6cd6", kill_on_drop: false }`
[INFO] [stdout] 709bd64b5dd8175992bfe9cbb9ff305dca56d77836e0ce87b519ecad31fa6cd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b9c01dd3dd07f7a64bf30e7cfbcc93014028b57b5742c9ccce2434ca490a14c
[INFO] running `Command { std: "docker" "start" "-a" "4b9c01dd3dd07f7a64bf30e7cfbcc93014028b57b5742c9ccce2434ca490a14c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde v1.0.127
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[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking plotters-backend v0.3.2
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[INFO] [stderr]     Checking libc v0.2.98
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling rand v0.8.4
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[INFO] [stderr]    Compiling tempfile v3.2.0
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[INFO] [stderr]    Compiling borsh-derive-internal v0.9.1
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.9.1
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.6.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling alkahest-proc v0.1.4
[INFO] [stderr]    Compiling rkyv_derive v0.7.9
[INFO] [stderr]    Compiling speedy-derive v0.7.1
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[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking alkahest v0.1.4
[INFO] [stderr]     Checking speedy v0.7.1
[INFO] [stderr]     Checking flatbuffers v2.0.0
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_map'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alkahest-0.1.4/src/array.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         packed.map(|packed| T::unpack(packed, input))
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #75243 <https://github.com/rust-lang/rust/issues/75243> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'array_map'
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/alkahest-0.1.4/src/array.rs:35:27
[INFO] [stdout]    |
[INFO] [stdout] 35 |         let packed = self.map(|pack| {
[INFO] [stdout]    |                           ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #75243 <https://github.com/rust-lang/rust/issues/75243> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `alkahest`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4b9c01dd3dd07f7a64bf30e7cfbcc93014028b57b5742c9ccce2434ca490a14c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b9c01dd3dd07f7a64bf30e7cfbcc93014028b57b5742c9ccce2434ca490a14c", kill_on_drop: false }`
[INFO] [stdout] 4b9c01dd3dd07f7a64bf30e7cfbcc93014028b57b5742c9ccce2434ca490a14c
