[INFO] cloning repository https://github.com/skyzh/uring-positioned-io
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skyzh/uring-positioned-io" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyzh%2Furing-positioned-io", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyzh%2Furing-positioned-io'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a04f4be1e4fc7d47b617f4a84445746e28b0343f
[INFO] checking skyzh/uring-positioned-io against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskyzh%2Furing-positioned-io" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/skyzh/uring-positioned-io on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/skyzh/uring-positioned-io
[INFO] finished tweaking git repo https://github.com/skyzh/uring-positioned-io
[INFO] tweaked toml for git repo https://github.com/skyzh/uring-positioned-io written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 172 packages
[INFO] [stderr]       Adding arrayvec v0.3.25 (latest: v0.7.4)
[INFO] [stderr]       Adding ascii v0.7.1 (latest: v1.1.0)
[INFO] [stderr]       Adding bitflags v0.7.0 (latest: v2.5.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding byteorder v0.4.2 (latest: v1.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding chrono v0.2.25 (latest: v0.4.37)
[INFO] [stderr]       Adding chunked_transfer v0.3.1 (latest: v1.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding clocksource v0.4.0 (latest: v0.8.1)
[INFO] [stderr]       Adding deflate v0.7.20 (latest: v1.0.0)
[INFO] [stderr]       Adding env_logger v0.8.4 (latest: v0.11.3)
[INFO] [stderr]       Adding heatmap v0.6.6 (latest: v0.8.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding histogram v0.6.9 (latest: v0.10.0)
[INFO] [stderr]       Adding inflate v0.2.0 (latest: v0.4.5)
[INFO] [stderr]       Adding io-uring v0.5.0-alpha.2 (latest: v0.6.3)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding log v0.3.9 (latest: v0.4.21)
[INFO] [stderr]       Adding mio v0.6.23 (latest: v0.8.11)
[INFO] [stderr]       Adding miow v0.2.2 (latest: v0.6.0)
[INFO] [stderr]       Adding num v0.1.42 (latest: v0.4.1)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding odds v0.2.26 (latest: v0.4.0)
[INFO] [stderr]       Adding parking_lot v0.11.2 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.8.6 (latest: v0.9.9)
[INFO] [stderr]       Adding png v0.7.0 (latest: v0.17.13)
[INFO] [stderr]       Adding rand v0.3.23 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.4.6 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding redox_syscall v0.2.16 (latest: v0.5.1)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding rusttype v0.1.2 (latest: v0.9.3)
[INFO] [stderr]       Adding stb_truetype v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding tiny_http v0.5.9 (latest: v0.12.0)
[INFO] [stderr]       Adding url v0.2.38 (latest: v2.5.0)
[INFO] [stderr]       Adding uuid v0.1.18 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding waterfall v0.7.1 (latest: v0.8.1)
[INFO] [stderr]       Adding winapi v0.2.8 (latest: v0.3.9)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-trait v0.1.79
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded memmap v0.7.0
[INFO] [stderr]   Downloaded mpmc v0.1.6
[INFO] [stderr]   Downloaded allan v0.2.4
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded env_logger v0.8.4
[INFO] [stderr]   Downloaded aho-corasick v1.1.3
[INFO] [stderr]   Downloaded regex-syntax v0.8.3
[INFO] [stderr]   Downloaded rusttype v0.1.2
[INFO] [stderr]   Downloaded waterfall v0.7.1
[INFO] [stderr]   Downloaded tokio v1.37.0
[INFO] [stderr]   Downloaded regex v1.10.4
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded tiny_http v0.5.9
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded stb_truetype v0.1.2
[INFO] [stderr]   Downloaded io-uring v0.5.0-alpha.2
[INFO] [stderr]   Downloaded getrandom v0.2.13
[INFO] [stderr]   Downloaded chrono v0.2.25
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded rustc-serialize v0.3.25
[INFO] [stderr]   Downloaded url v0.2.38
[INFO] [stderr]   Downloaded png v0.7.0
[INFO] [stderr]   Downloaded odds v0.2.26
[INFO] [stderr]   Downloaded arrayvec v0.3.25
[INFO] [stderr]   Downloaded byteorder v0.4.2
[INFO] [stderr]   Downloaded backtrace v0.3.71
[INFO] [stderr]   Downloaded clocksource v0.4.0
[INFO] [stderr]   Downloaded num v0.1.42
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded inflate v0.2.0
[INFO] [stderr]   Downloaded tic v0.6.0
[INFO] [stderr]   Downloaded smallvec v1.13.2
[INFO] [stderr]   Downloaded chunked_transfer v0.3.1
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded uuid v0.1.18
[INFO] [stderr]   Downloaded histogram v0.6.9
[INFO] [stderr]   Downloaded heatmap v0.6.6
[INFO] [stderr]   Downloaded hsl v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9be3ea80509e47261783910e808b7159aa308b863f782e597b89896ab00983f7
[INFO] running `Command { std: "docker" "start" "-a" "9be3ea80509e47261783910e808b7159aa308b863f782e597b89896ab00983f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9be3ea80509e47261783910e808b7159aa308b863f782e597b89896ab00983f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9be3ea80509e47261783910e808b7159aa308b863f782e597b89896ab00983f7", kill_on_drop: false }`
[INFO] [stdout] 9be3ea80509e47261783910e808b7159aa308b863f782e597b89896ab00983f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bf4955c8f45f4f82a08b526c09b250130da3fa45eb2269bdf0cf392386b99be
[INFO] running `Command { std: "docker" "start" "-a" "6bf4955c8f45f4f82a08b526c09b250130da3fa45eb2269bdf0cf392386b99be", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]    Compiling io-uring v0.5.0-alpha.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking rustc-serialize v0.3.25
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking stb_truetype v0.1.2
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.13
[INFO] [stderr]     Checking socket2 v0.5.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking histogram v0.6.9
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking inflate v0.2.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking uuid v0.1.18
[INFO] [stderr]     Checking matches v0.1.10
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking heatmap v0.6.6
[INFO] [stderr]     Checking url v0.2.38
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking rusttype v0.1.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking hsl v0.1.1
[INFO] [stderr]     Checking png v0.7.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking tiny_http v0.5.9
[INFO] [stderr]     Checking clocksource v0.4.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking allan v0.2.4
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking mpmc v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking waterfall v0.7.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking tic v0.6.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fastrand v2.0.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking uring-positioned-io v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking uring_bench v0.1.0 (/opt/rustwide/workdir/uring_bench)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.21s
[INFO] running `Command { std: "docker" "inspect" "6bf4955c8f45f4f82a08b526c09b250130da3fa45eb2269bdf0cf392386b99be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf4955c8f45f4f82a08b526c09b250130da3fa45eb2269bdf0cf392386b99be", kill_on_drop: false }`
[INFO] [stdout] 6bf4955c8f45f4f82a08b526c09b250130da3fa45eb2269bdf0cf392386b99be