[INFO] cloning repository https://github.com/matze/tokio-net-vs-uring
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matze/tokio-net-vs-uring" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b511b7096a2f7f92f87fa4a481f004098966337d
[INFO] checking matze/tokio-net-vs-uring against try#cd420d8bda33494ba3cc45048d5f067484a32b94 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatze%2Ftokio-net-vs-uring" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matze/tokio-net-vs-uring on toolchain cd420d8bda33494ba3cc45048d5f067484a32b94
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matze/tokio-net-vs-uring
[INFO] finished tweaking git repo https://github.com/matze/tokio-net-vs-uring
[INFO] tweaked toml for git repo https://github.com/matze/tokio-net-vs-uring written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matze/tokio-net-vs-uring 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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[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 sketches-ddsketch v0.1.2
[INFO] [stderr]   Downloaded membarrier v0.2.2
[INFO] [stderr]   Downloaded enclose v1.1.8
[INFO] [stderr]   Downloaded bitmaps v3.1.0
[INFO] [stderr]   Downloaded io-uring v0.5.2
[INFO] [stderr]   Downloaded buddy-alloc v0.4.1
[INFO] [stderr]   Downloaded tokio-uring v0.3.0
[INFO] [stderr]   Downloaded flume v0.10.11
[INFO] [stderr]   Downloaded tracing v0.1.31
[INFO] [stderr]   Downloaded lockfree v0.5.1
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded intrusive-collections v0.9.3
[INFO] [stderr]   Downloaded owned-alloc v0.2.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.19
[INFO] [stderr]   Downloaded tracing-core v0.1.22
[INFO] [stderr]   Downloaded glommio v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d309cda6c01f08d65f49f137239eca0cd45fb92526b03341f34aa739a0adb221
[INFO] running `Command { std: "docker" "start" "-a" "d309cda6c01f08d65f49f137239eca0cd45fb92526b03341f34aa739a0adb221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d309cda6c01f08d65f49f137239eca0cd45fb92526b03341f34aa739a0adb221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d309cda6c01f08d65f49f137239eca0cd45fb92526b03341f34aa739a0adb221", kill_on_drop: false }`
[INFO] [stdout] d309cda6c01f08d65f49f137239eca0cd45fb92526b03341f34aa739a0adb221
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+cd420d8bda33494ba3cc45048d5f067484a32b94" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ac6f23cb680c355b26a857778d6e597fb889a9b83d789ac5aa2abd8724825c3
[INFO] running `Command { std: "docker" "start" "-a" "3ac6f23cb680c355b26a857778d6e597fb889a9b83d789ac5aa2abd8724825c3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking common-bench v0.1.0 (/opt/rustwide/workdir/common-bench)
[INFO] [stderr]    Compiling crossbeam-queue v0.3.4
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling signal-hook v0.3.13
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling io-uring v0.5.2
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking tracing-core v0.1.22
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking owned-alloc v0.2.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking crossbeam-channel v0.5.2
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking lockfree v0.5.1
[INFO] [stderr]     Checking intrusive-collections v0.9.3
[INFO] [stderr]     Checking buddy-alloc v0.4.1
[INFO] [stderr]     Checking sketches-ddsketch v0.1.2
[INFO] [stderr]     Checking enclose v1.1.8
[INFO] [stderr]     Checking object v0.27.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking bitmaps v3.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling glommio v0.7.0
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking getrandom v0.2.5
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking rlimit v0.6.2
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking membarrier v0.2.2
[INFO] [stderr]     Checking nix v0.23.1
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking ahash v0.7.6
[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] running `Command { std: "docker" "inspect" "3ac6f23cb680c355b26a857778d6e597fb889a9b83d789ac5aa2abd8724825c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ac6f23cb680c355b26a857778d6e597fb889a9b83d789ac5aa2abd8724825c3", kill_on_drop: false }`
[INFO] [stdout] 3ac6f23cb680c355b26a857778d6e597fb889a9b83d789ac5aa2abd8724825c3