[INFO] cloning repository https://github.com/skyitachi/learnrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skyitachi/learnrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Flearnrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Flearnrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9bfc4e32414ae9974073a66ce604e112d11c0804
[INFO] checking skyitachi/learnrust/9bfc4e32414ae9974073a66ce604e112d11c0804 against master#540f43a224317d894a9a0710a8d67704f179a33c for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyitachi%2Flearnrust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/skyitachi/learnrust
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/skyitachi/learnrust
[INFO] tweaked toml for git repo https://github.com/skyitachi/learnrust written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/skyitachi/learnrust on toolchain 540f43a224317d894a9a0710a8d67704f179a33c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+540f43a224317d894a9a0710a8d67704f179a33c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/skyitachi/learnrust 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" "+540f43a224317d894a9a0710a8d67704f179a33c" "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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+540f43a224317d894a9a0710a8d67704f179a33c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86d42f09cd95d167b6d4a16fd979a25f4304ff0960e9cdc4061b3d2d11ebfa4
[INFO] running `Command { std: "docker" "start" "-a" "b86d42f09cd95d167b6d4a16fd979a25f4304ff0960e9cdc4061b3d2d11ebfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86d42f09cd95d167b6d4a16fd979a25f4304ff0960e9cdc4061b3d2d11ebfa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86d42f09cd95d167b6d4a16fd979a25f4304ff0960e9cdc4061b3d2d11ebfa4", kill_on_drop: false }`
[INFO] [stdout] b86d42f09cd95d167b6d4a16fd979a25f4304ff0960e9cdc4061b3d2d11ebfa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+540f43a224317d894a9a0710a8d67704f179a33c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e97c28a3c0513c975b3f10a0a6de5b0effbf01f23ab91e542d9c9b83ce3672d1
[INFO] running `Command { std: "docker" "start" "-a" "e97c28a3c0513c975b3f10a0a6de5b0effbf01f23ab91e542d9c9b83ce3672d1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]    Compiling ahash v0.8.3
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[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking half v2.3.1
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking foreign_vec v0.1.0
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking dyn-clone v1.0.14
[INFO] [stderr]     Checking hash_hasher v2.0.3
[INFO] [stderr]     Checking lexical-core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking simdutf8 v0.1.4
[INFO] [stderr]    Compiling snap v1.1.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ahash v0.7.6
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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] [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] [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] [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] running `Command { std: "docker" "inspect" "e97c28a3c0513c975b3f10a0a6de5b0effbf01f23ab91e542d9c9b83ce3672d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e97c28a3c0513c975b3f10a0a6de5b0effbf01f23ab91e542d9c9b83ce3672d1", kill_on_drop: false }`
[INFO] [stdout] e97c28a3c0513c975b3f10a0a6de5b0effbf01f23ab91e542d9c9b83ce3672d1