[INFO] fetching crate jsonst 0.2.0...
[INFO] checking jsonst-0.2.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate jsonst 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate jsonst 0.2.0
[INFO] finished tweaking crates.io crate jsonst 0.2.0
[INFO] tweaked toml for crates.io crate jsonst 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonst 0.2.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jsonst 0.2.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a299df230351b39f5a284eee2bd54f5f53a792128ac11bec67e9b8b0b961d19
[INFO] running `Command { std: "docker" "start" "-a" "8a299df230351b39f5a284eee2bd54f5f53a792128ac11bec67e9b8b0b961d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a299df230351b39f5a284eee2bd54f5f53a792128ac11bec67e9b8b0b961d19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a299df230351b39f5a284eee2bd54f5f53a792128ac11bec67e9b8b0b961d19", kill_on_drop: false }`
[INFO] [stdout] 8a299df230351b39f5a284eee2bd54f5f53a792128ac11bec67e9b8b0b961d19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8055ab4f68da1509ec11bdbcbf1b30b6fa86c153e8b476b5c5dc37e92267b08c
[INFO] running `Command { std: "docker" "start" "-a" "8055ab4f68da1509ec11bdbcbf1b30b6fa86c153e8b476b5c5dc37e92267b08c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
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[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]     Checking h2 v0.3.13
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[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking phf v0.8.0
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking time v0.3.9
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[INFO] [stderr]     Checking uritemplate-next v0.2.0
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[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking half v1.8.2
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[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking num-cmp v0.1.0
[INFO] [stderr]     Checking iter-read v0.3.1
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking http_req v0.8.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking hmac-sha256 v1.1.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking iri-string v0.3.0
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking serde-pickle v1.1.1
[INFO] [stderr]     Checking json5 v0.4.1
[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]     Checking serde_with v1.13.0
[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" "8055ab4f68da1509ec11bdbcbf1b30b6fa86c153e8b476b5c5dc37e92267b08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8055ab4f68da1509ec11bdbcbf1b30b6fa86c153e8b476b5c5dc37e92267b08c", kill_on_drop: false }`
[INFO] [stdout] 8055ab4f68da1509ec11bdbcbf1b30b6fa86c153e8b476b5c5dc37e92267b08c