[INFO] fetching crate async_buf_reader_utils 0.1.0...
[INFO] testing async_buf_reader_utils-0.1.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take3
[INFO] extracting crate async_buf_reader_utils 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate async_buf_reader_utils 0.1.0 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_buf_reader_utils 0.1.0
[INFO] finished tweaking crates.io crate async_buf_reader_utils 0.1.0
[INFO] tweaked toml for crates.io crate async_buf_reader_utils 0.1.0 written to /workspace/builds/worker-5/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] eed228635cb1859f2d633332554a3baa5db6de45fa3f797fd9ebc538bef3a397
[INFO] running `Command { std: "docker" "start" "-a" "eed228635cb1859f2d633332554a3baa5db6de45fa3f797fd9ebc538bef3a397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eed228635cb1859f2d633332554a3baa5db6de45fa3f797fd9ebc538bef3a397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed228635cb1859f2d633332554a3baa5db6de45fa3f797fd9ebc538bef3a397", kill_on_drop: false }`
[INFO] [stdout] eed228635cb1859f2d633332554a3baa5db6de45fa3f797fd9ebc538bef3a397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 13087074e0ecb98a04129b18d7c18b8c6d1a1ff178c570d3c7f338c3c09440b8
[INFO] running `Command { std: "docker" "start" "-a" "13087074e0ecb98a04129b18d7c18b8c6d1a1ff178c570d3c7f338c3c09440b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling fastrand v1.8.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.9
[INFO] [stderr]    Compiling polling v2.5.1
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling async-io v1.12.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling concurrent-queue v2.0.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling async-task v4.3.0
[INFO] [stderr]    Compiling async-channel v1.8.0
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling async-lock v2.6.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling async-executor v1.5.0
[INFO] [stderr]    Compiling blocking v1.3.0
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling async_buf_reader_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File`, `task`
[INFO] [stdout]   --> src/read_until_index_found/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_std::{fs::File, task};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.70s
[INFO] running `Command { std: "docker" "inspect" "13087074e0ecb98a04129b18d7c18b8c6d1a1ff178c570d3c7f338c3c09440b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13087074e0ecb98a04129b18d7c18b8c6d1a1ff178c570d3c7f338c3c09440b8", kill_on_drop: false }`
[INFO] [stdout] 13087074e0ecb98a04129b18d7c18b8c6d1a1ff178c570d3c7f338c3c09440b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e951eb9ab2fcd025ebeab54fdc29fa7fb368189feb79f19ee2b3694a1ba5b12b
[INFO] running `Command { std: "docker" "start" "-a" "e951eb9ab2fcd025ebeab54fdc29fa7fb368189feb79f19ee2b3694a1ba5b12b", kill_on_drop: false }`
[INFO] [stderr]    Compiling async_buf_reader_utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File`, `task`
[INFO] [stdout]   --> src/read_until_index_found/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 | use async_std::{fs::File, task};
[INFO] [stdout]    |                 ^^^^^^^^  ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "e951eb9ab2fcd025ebeab54fdc29fa7fb368189feb79f19ee2b3694a1ba5b12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e951eb9ab2fcd025ebeab54fdc29fa7fb368189feb79f19ee2b3694a1ba5b12b", kill_on_drop: false }`
[INFO] [stdout] e951eb9ab2fcd025ebeab54fdc29fa7fb368189feb79f19ee2b3694a1ba5b12b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f29f56b6f7f4dacfb21783be3d50107d4c32c9f66e277dcd110aeed66c0ed1c1
[INFO] running `Command { std: "docker" "start" "-a" "f29f56b6f7f4dacfb21783be3d50107d4c32c9f66e277dcd110aeed66c0ed1c1", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `fs::File`, `task`
[INFO] [stderr]   --> src/read_until_index_found/mod.rs:10:17
[INFO] [stderr]    |
[INFO] [stderr] 10 | use async_std::{fs::File, task};
[INFO] [stderr]    |                 ^^^^^^^^  ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `async_buf_reader_utils` (lib) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/async_buf_reader_utils-00894f9d51983caf)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test read_until_index_found::tests::reads_file_as_buffer_providing_strings_to_predicate_filling_buffer_with_respective_data_when_index_is_returned_until_eof has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "f29f56b6f7f4dacfb21783be3d50107d4c32c9f66e277dcd110aeed66c0ed1c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f29f56b6f7f4dacfb21783be3d50107d4c32c9f66e277dcd110aeed66c0ed1c1", kill_on_drop: false }`
[INFO] [stdout] f29f56b6f7f4dacfb21783be3d50107d4c32c9f66e277dcd110aeed66c0ed1c1