[INFO] fetching crate fixed-buffer-tokio 0.3.4...
[INFO] testing fixed-buffer-tokio-0.3.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate fixed-buffer-tokio 0.3.4 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate fixed-buffer-tokio 0.3.4
[INFO] finished tweaking crates.io crate fixed-buffer-tokio 0.3.4
[INFO] tweaked toml for crates.io crate fixed-buffer-tokio 0.3.4 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fixed-buffer-tokio 0.3.4 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 36 packages to latest compatible versions
[INFO] [stderr]       Adding crc v1.8.1 (available: v3.3.0)
[INFO] [stderr]       Adding fixed-buffer v0.3.1 (available: v1.0.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-buffer v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 773e6f0dfc610faedf5c2c0f5bfd25a4b576a34cf7d75010c957992ddba68f68
[INFO] running `Command { std: "docker" "start" "-a" "773e6f0dfc610faedf5c2c0f5bfd25a4b576a34cf7d75010c957992ddba68f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "773e6f0dfc610faedf5c2c0f5bfd25a4b576a34cf7d75010c957992ddba68f68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "773e6f0dfc610faedf5c2c0f5bfd25a4b576a34cf7d75010c957992ddba68f68", kill_on_drop: false }`
[INFO] [stdout] 773e6f0dfc610faedf5c2c0f5bfd25a4b576a34cf7d75010c957992ddba68f68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] b8713ebdbd270bd247844d4b516583a199ba5581f6bc04e64e0ded8896f117bc
[INFO] running `Command { std: "docker" "start" "-a" "b8713ebdbd270bd247844d4b516583a199ba5581f6bc04e64e0ded8896f117bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed-buffer v0.3.1
[INFO] [stderr]    Compiling socket2 v0.5.10
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling fixed-buffer-tokio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "b8713ebdbd270bd247844d4b516583a199ba5581f6bc04e64e0ded8896f117bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8713ebdbd270bd247844d4b516583a199ba5581f6bc04e64e0ded8896f117bc", kill_on_drop: false }`
[INFO] [stdout] b8713ebdbd270bd247844d4b516583a199ba5581f6bc04e64e0ded8896f117bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] acd03854759c277f8e7a6f8464e2cf234bbb3165e82d4d169830159be54cd700
[INFO] running `Command { std: "docker" "start" "-a" "acd03854759c277f8e7a6f8464e2cf234bbb3165e82d4d169830159be54cd700", kill_on_drop: false }`
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling fixed-buffer-tokio v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "acd03854759c277f8e7a6f8464e2cf234bbb3165e82d4d169830159be54cd700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd03854759c277f8e7a6f8464e2cf234bbb3165e82d4d169830159be54cd700", kill_on_drop: false }`
[INFO] [stdout] acd03854759c277f8e7a6f8464e2cf234bbb3165e82d4d169830159be54cd700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] de530606e5c1e2097281de71bb9cc4996a8f44b5662b13a81a710368f17591b3
[INFO] running `Command { std: "docker" "start" "-a" "de530606e5c1e2097281de71bb9cc4996a8f44b5662b13a81a710368f17591b3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fixed_buffer_tokio-cf09630f1b6b402f)
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test async_read_write_chain::tests::reads_second_when_first_empty ... ok
[INFO] [stdout] test async_read_write_chain::tests::doesnt_read_second_when_first_returns_error ... ok
[INFO] [stdout] test async_read_write_chain::tests::doesnt_read_second_when_first_has_data ... ok
[INFO] [stdout] test async_read_write_chain::tests::returns_error_from_second ... ok
[INFO] [stdout] test async_read_write_chain::tests::reads_first_then_second ... ok
[INFO] [stdout] test async_read_write_chain::tests::passes_writes_through ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_call_read_after_len_reached ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_read_when_zero ... ok
[INFO] [stdout] test async_read_write_chain::tests::both_empty ... ok
[INFO] [stdout] test async_read_write_take::tests::doesnt_call_read_after_len_reached_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len ... ok
[INFO] [stdout] test async_read_write_take::tests::exactly_len_in_multiple_reads ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len ... ok
[INFO] [stdout] test async_read_write_take::tests::empty ... ok
[INFO] [stdout] test async_read_write_take::tests::passes_writes_through ... ok
[INFO] [stdout] test async_read_write_take::tests::fewer_than_len_in_multiple_reads ... ok
[INFO] [stdout] test tests::test_async_read ... ok
[INFO] [stdout] test async_read_write_take::tests::read_error ... ok
[INFO] [stdout] test tests::test_async_write ... ok
[INFO] [stdout] test tests::test_read_frame_complete_doesnt_read ... ok
[INFO] [stdout] test tests::test_read_frame_buffer_full ... ok
[INFO] [stdout] test tests::test_read_frame_complete_leaves_leftovers ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_incomplete ... ok
[INFO] [stdout] test tests::test_read_frame_invalid_doesnt_read ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete_with_leftover ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_complete ... ok
[INFO] [stdout] test tests::test_read_frame_empty_to_invalid ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_eof ... ok
[INFO] [stdout] test tests::test_read_frame_incomplete_to_incomplete ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/server.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/server-92afda130b8f0677)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... 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] running `Command { std: "docker" "inspect" "de530606e5c1e2097281de71bb9cc4996a8f44b5662b13a81a710368f17591b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de530606e5c1e2097281de71bb9cc4996a8f44b5662b13a81a710368f17591b3", kill_on_drop: false }`
[INFO] [stdout] de530606e5c1e2097281de71bb9cc4996a8f44b5662b13a81a710368f17591b3