[INFO] fetching crate async-peek 0.3.2...
[INFO] testing async-peek-0.3.2 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate async-peek 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-peek 0.3.2 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-peek 0.3.2
[INFO] finished tweaking crates.io crate async-peek 0.3.2
[INFO] tweaked toml for crates.io crate async-peek 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded async-io v0.2.7
[INFO] [stderr]   Downloaded async-process v0.1.3
[INFO] [stderr]   Downloaded ufut v0.3.1
[INFO] [stderr]   Downloaded async-executor v0.2.1
[INFO] [stderr]   Downloaded smol v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 080ecd43748eefb1603886421cadbd04ae6f2598ba08e8162a5b142244121dc7
[INFO] running `Command { std: "docker" "start" "-a" "080ecd43748eefb1603886421cadbd04ae6f2598ba08e8162a5b142244121dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "080ecd43748eefb1603886421cadbd04ae6f2598ba08e8162a5b142244121dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "080ecd43748eefb1603886421cadbd04ae6f2598ba08e8162a5b142244121dc7", kill_on_drop: false }`
[INFO] [stdout] 080ecd43748eefb1603886421cadbd04ae6f2598ba08e8162a5b142244121dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 1bf09d2e6a27cc5da0f6152fdc02ccbe5bc155c58e459ffcdaa0c452b4f055e8
[INFO] running `Command { std: "docker" "start" "-a" "1bf09d2e6a27cc5da0f6152fdc02ccbe5bc155c58e459ffcdaa0c452b4f055e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-micro v0.3.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ufut v0.3.1
[INFO] [stderr]    Compiling async-peek v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "1bf09d2e6a27cc5da0f6152fdc02ccbe5bc155c58e459ffcdaa0c452b4f055e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bf09d2e6a27cc5da0f6152fdc02ccbe5bc155c58e459ffcdaa0c452b4f055e8", kill_on_drop: false }`
[INFO] [stdout] 1bf09d2e6a27cc5da0f6152fdc02ccbe5bc155c58e459ffcdaa0c452b4f055e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] f4c292352254ff36e24d688e1c3d16affcbb33f5da5a37abf3cbfaa0d56c64e7
[INFO] running `Command { std: "docker" "start" "-a" "f4c292352254ff36e24d688e1c3d16affcbb33f5da5a37abf3cbfaa0d56c64e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling cache-padded v1.2.0
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling concurrent-queue v1.2.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling vec-arena v0.5.2
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling polling v2.5.2
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling async-fs v1.6.0
[INFO] [stderr]    Compiling async-net v1.7.0
[INFO] [stderr]    Compiling polling v0.1.9
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling async-io v0.2.7
[INFO] [stderr]    Compiling async-executor v0.2.1
[INFO] [stderr]    Compiling blocking v0.6.1
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling async-process v0.1.3
[INFO] [stderr]    Compiling smol v0.4.3
[INFO] [stderr]    Compiling async-peek v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "f4c292352254ff36e24d688e1c3d16affcbb33f5da5a37abf3cbfaa0d56c64e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4c292352254ff36e24d688e1c3d16affcbb33f5da5a37abf3cbfaa0d56c64e7", kill_on_drop: false }`
[INFO] [stdout] f4c292352254ff36e24d688e1c3d16affcbb33f5da5a37abf3cbfaa0d56c64e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 6c940425ab71d33ca878b72962cbc4c0dcb7fd00548a4ed00b2d4d36f59d292d
[INFO] running `Command { std: "docker" "start" "-a" "6c940425ab71d33ca878b72962cbc4c0dcb7fd00548a4ed00b2d4d36f59d292d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/async_peek-777a5189b0cd2656)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c940425ab71d33ca878b72962cbc4c0dcb7fd00548a4ed00b2d4d36f59d292d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c940425ab71d33ca878b72962cbc4c0dcb7fd00548a4ed00b2d4d36f59d292d", kill_on_drop: false }`
[INFO] [stdout] 6c940425ab71d33ca878b72962cbc4c0dcb7fd00548a4ed00b2d4d36f59d292d