[INFO] cloning repository https://github.com/Mvmo/letter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mvmo/letter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMvmo%2Fletter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMvmo%2Fletter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 647d2afc2c461e85f3f2eca73cfb4227b5115370
[INFO] checking Mvmo/letter against try#44e31dee3cf6f37b4f652572897bb0eb25c477ee for pr-139763
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMvmo%2Fletter" "/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/Mvmo/letter on toolchain 44e31dee3cf6f37b4f652572897bb0eb25c477ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mvmo/letter
[INFO] finished tweaking git repo https://github.com/Mvmo/letter
[INFO] tweaked toml for git repo https://github.com/Mvmo/letter written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mvmo/letter 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" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pest_meta v2.7.3
[INFO] [stderr]   Downloaded rustic-fuzz v0.1.0
[INFO] [stderr]   Downloaded pest_generator v2.7.3
[INFO] [stderr]   Downloaded pest_derive v2.7.3
[INFO] [stderr]   Downloaded pest v2.7.3
[INFO] [stderr]   Downloaded serde v1.0.181
[INFO] [stderr]   Downloaded ratatui v0.22.0
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b1cedd97775083d7407489d2ededed1e54a90f42f54efc3d0f75377f8cfe108
[INFO] running `Command { std: "docker" "start" "-a" "6b1cedd97775083d7407489d2ededed1e54a90f42f54efc3d0f75377f8cfe108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b1cedd97775083d7407489d2ededed1e54a90f42f54efc3d0f75377f8cfe108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b1cedd97775083d7407489d2ededed1e54a90f42f54efc3d0f75377f8cfe108", kill_on_drop: false }`
[INFO] [stdout] 6b1cedd97775083d7407489d2ededed1e54a90f42f54efc3d0f75377f8cfe108
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+44e31dee3cf6f37b4f652572897bb0eb25c477ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2dde67a31b2d89914f621dbd3063f625d6e1bd8e7eac96eb605f02384e3dc85c
[INFO] running `Command { std: "docker" "start" "-a" "2dde67a31b2d89914f621dbd3063f625d6e1bd8e7eac96eb605f02384e3dc85c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling signal-hook v0.3.17
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]     Checking log v0.4.19
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling ahash v0.8.3
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking deranged v0.3.7
[INFO] [stderr]     Checking time-core v0.1.1
[INFO] [stderr]     Checking bitflags v2.3.3
[INFO] [stderr]    Compiling indoc v2.0.3
[INFO] [stderr]     Checking cassowary v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking uuid v1.4.1
[INFO] [stderr]     Checking rustic-fuzz v0.1.0
[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] 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" "2dde67a31b2d89914f621dbd3063f625d6e1bd8e7eac96eb605f02384e3dc85c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dde67a31b2d89914f621dbd3063f625d6e1bd8e7eac96eb605f02384e3dc85c", kill_on_drop: false }`
[INFO] [stdout] 2dde67a31b2d89914f621dbd3063f625d6e1bd8e7eac96eb605f02384e3dc85c