[INFO] fetching crate tokio-uring 0.4.0...
[INFO] testing tokio-uring-0.4.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate tokio-uring 0.4.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate tokio-uring 0.4.0 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] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate tokio-uring 0.4.0
[INFO] finished tweaking crates.io crate tokio-uring 0.4.0
[INFO] tweaked toml for crates.io crate tokio-uring 0.4.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate tokio-uring 0.4.0 already has a lockfile, it will not be regenerated
[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 iai v0.1.1
[INFO] [stderr]   Downloaded io-uring v0.5.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b596a72a01eed9a159a0937786d0445365bac9f1e8500be7e53347af3638e28d
[INFO] running `Command { std: "docker" "start" "-a" "b596a72a01eed9a159a0937786d0445365bac9f1e8500be7e53347af3638e28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b596a72a01eed9a159a0937786d0445365bac9f1e8500be7e53347af3638e28d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b596a72a01eed9a159a0937786d0445365bac9f1e8500be7e53347af3638e28d", kill_on_drop: false }`
[INFO] [stdout] b596a72a01eed9a159a0937786d0445365bac9f1e8500be7e53347af3638e28d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 69214ee37cd39af37b72af461b334abd0fa3910f2ab9d82b206ec2822e139084
[INFO] running `Command { std: "docker" "start" "-a" "69214ee37cd39af37b72af461b334abd0fa3910f2ab9d82b206ec2822e139084", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling io-uring v0.5.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.8
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling socket2 v0.4.4
[INFO] [stderr]    Compiling tokio-uring v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.20s
[INFO] running `Command { std: "docker" "inspect" "69214ee37cd39af37b72af461b334abd0fa3910f2ab9d82b206ec2822e139084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69214ee37cd39af37b72af461b334abd0fa3910f2ab9d82b206ec2822e139084", kill_on_drop: false }`
[INFO] [stdout] 69214ee37cd39af37b72af461b334abd0fa3910f2ab9d82b206ec2822e139084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5cff1cd3cf69c21b805d970d41feec655e318ffc67b671807ca083ee84f77267
[INFO] running `Command { std: "docker" "start" "-a" "5cff1cd3cf69c21b805d970d41feec655e318ffc67b671807ca083ee84f77267", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.11
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.3
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling serde_json v1.0.87
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling rayon v1.5.3
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling iai v0.1.1
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling tokio-test v0.4.2
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling tokio-uring v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.27s
[INFO] running `Command { std: "docker" "inspect" "5cff1cd3cf69c21b805d970d41feec655e318ffc67b671807ca083ee84f77267", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cff1cd3cf69c21b805d970d41feec655e318ffc67b671807ca083ee84f77267", kill_on_drop: false }`
[INFO] [stdout] 5cff1cd3cf69c21b805d970d41feec655e318ffc67b671807ca083ee84f77267
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] bdc59d52218a31c05d61476b91876f0b626b5d77dd77cbca03246e6996fae476
[INFO] running `Command { std: "docker" "start" "-a" "bdc59d52218a31c05d61476b91876f0b626b5d77dd77cbca03246e6996fae476", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/tokio_uring-4dd6fd802df112c0)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test driver::op::slab_list::test::entries_freed_on_drop ... ok
[INFO] [stdout] test driver::op::slab_list::test::push_pop ... ok
[INFO] [stdout] test driver::op::slab_list::test::entries_kept_on_converion_to_index ... ok
[INFO] [stdout] test driver::op::test::complete_before_poll ... ok
[INFO] [stdout] test driver::op::test::complete_after_drop ... ok
[INFO] [stdout] test driver::noop::test::perform_no_op ... ok
[INFO] [stdout] test driver::op::test::op_stays_in_slab_on_drop ... ok
[INFO] [stdout] test driver::op::test::poll_op_once ... ok
[INFO] [stdout] test driver::op::test::poll_change_task ... ok
[INFO] [stdout] test runtime::test::block_on ... ok
[INFO] [stdout] test runtime::test::block_on_twice ... ok
[INFO] [stdout] test driver::op::test::poll_op_twice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/buf.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/buf-da4165f93544d5a8)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test can_deref_slice_into_uninit_buf ... ok
[INFO] [stdout] test slice::test_slice_read ... ok
[INFO] [stdout] test test_slice ... ok
[INFO] [stdout] test test_vec ... ok
[INFO] [stdout] test vec::test_slice_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/directory.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/directory-cac895967f8c9239)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic_remove_dir ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/driver.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/driver-c53cc3b0d12c3b18)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test completion_overflow ... ok
[INFO] [stdout] test too_many_submissions ... ok
[INFO] [stdout] test complete_ops_on_drop ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fs_file.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/fs_file-194e5f843e4b158f)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test drop_off_runtime ... ok
[INFO] [stdout] test cancel_read ... ok
[INFO] [stdout] test basic_read ... ok
[INFO] [stdout] test explicit_close ... ok
[INFO] [stdout] test basic_write ... ok
[INFO] [stdout] test vectored_read ... ok
[INFO] [stdout] test drop_open ... ok
[INFO] [stdout] test vectored_write ... ok
[INFO] [stdout] test rename ... ok
[INFO] [stdout] test sync_doesnt_kill_anything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/runtime.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/runtime-f454946e878f52e9)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test spawn_a_task ... ok
[INFO] [stdout] test use_tokio_types_from_runtime ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bdc59d52218a31c05d61476b91876f0b626b5d77dd77cbca03246e6996fae476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc59d52218a31c05d61476b91876f0b626b5d77dd77cbca03246e6996fae476", kill_on_drop: false }`
[INFO] [stdout] bdc59d52218a31c05d61476b91876f0b626b5d77dd77cbca03246e6996fae476