[INFO] fetching crate buffer-redux 1.0.2...
[INFO] testing buffer-redux-1.0.2 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate buffer-redux 1.0.2 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate buffer-redux 1.0.2
[INFO] finished tweaking crates.io crate buffer-redux 1.0.2
[INFO] tweaked toml for crates.io crate buffer-redux 1.0.2 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffer-redux 1.0.2 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 7 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded slice-ring-buffer v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3b9b4f540736449404d0a28804e67ade880dc6701f2e0325c5db3b355a3ff60f
[INFO] running `Command { std: "docker" "start" "-a" "3b9b4f540736449404d0a28804e67ade880dc6701f2e0325c5db3b355a3ff60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9b4f540736449404d0a28804e67ade880dc6701f2e0325c5db3b355a3ff60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9b4f540736449404d0a28804e67ade880dc6701f2e0325c5db3b355a3ff60f", kill_on_drop: false }`
[INFO] [stdout] 3b9b4f540736449404d0a28804e67ade880dc6701f2e0325c5db3b355a3ff60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 057bdab5cead51bb49a85cf9dba1ba5f1cf0f5baefcefd99ca7502a7f074686b
[INFO] running `Command { std: "docker" "start" "-a" "057bdab5cead51bb49a85cf9dba1ba5f1cf0f5baefcefd99ca7502a7f074686b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling slice-ring-buffer v0.3.4
[INFO] [stderr]    Compiling buffer-redux v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "057bdab5cead51bb49a85cf9dba1ba5f1cf0f5baefcefd99ca7502a7f074686b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057bdab5cead51bb49a85cf9dba1ba5f1cf0f5baefcefd99ca7502a7f074686b", kill_on_drop: false }`
[INFO] [stdout] 057bdab5cead51bb49a85cf9dba1ba5f1cf0f5baefcefd99ca7502a7f074686b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] facaae61eba624c5ca771398a74df917829ce611b09dcf21bc8e8c3f7cdce4a7
[INFO] running `Command { std: "docker" "start" "-a" "facaae61eba624c5ca771398a74df917829ce611b09dcf21bc8e8c3f7cdce4a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling buffer-redux v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "facaae61eba624c5ca771398a74df917829ce611b09dcf21bc8e8c3f7cdce4a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facaae61eba624c5ca771398a74df917829ce611b09dcf21bc8e8c3f7cdce4a7", kill_on_drop: false }`
[INFO] [stdout] facaae61eba624c5ca771398a74df917829ce611b09dcf21bc8e8c3f7cdce4a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 83bf8dc2c355eac475e8fc3b807b1848edc20f7f2c534c3db3c441fb237a155b
[INFO] running `Command { std: "docker" "start" "-a" "83bf8dc2c355eac475e8fc3b807b1848edc20f7f2c534c3db3c441fb237a155b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/buffer_redux-afea7bddf19489f7)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test policy::test::test_flush_exact ... ok
[INFO] [stdout] test policy::test::test_min_buffered ... ok
[INFO] [stdout] test policy::test::test_flush_on ... ok
[INFO] [stdout] test ringbuf_tests::test_buffer_new ... ok
[INFO] [stdout] test ringbuf_tests::test_buffer_with_cap ... ok
[INFO] [stdout] test policy::test::test_flush_at_least ... ok
[INFO] [stdout] test ringbuf_tests::issue_8 ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader ... ok
[INFO] [stdout] test buffer::std_buf::read_into_full ... ok
[INFO] [stdout] test ringbuf_tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test policy::test::test_flush_on_newline ... ok
[INFO] [stdout] test ringbuf_tests::test_read_until ... ok
[INFO] [stdout] test ringbuf_tests::test_mirror_boundary ... ok
[INFO] [stdout] test std_tests::test_buf_writer_drops_once ... ok
[INFO] [stdout] test ringbuf_tests::test_short_reads ... ok
[INFO] [stdout] test std_tests::test_buffered_reader ... ok
[INFO] [stdout] test std_tests::test_buffered_reader_seek ... ok
[INFO] [stdout] test std_tests::test_buffered_reader_seek_underflow ... ok
[INFO] [stdout] test std_tests::test_buffered_writer ... ok
[INFO] [stdout] test std_tests::test_buffered_writer_inner_flushes ... ok
[INFO] [stdout] test std_tests::test_buffered_writer_seek ... ok
[INFO] [stdout] test std_tests::test_lines ... ok
[INFO] [stdout] test std_tests::test_line_buffer ... ok
[INFO] [stdout] test std_tests::test_read_line ... ok
[INFO] [stdout] test ringbuf_tests::test_read_line ... ok
[INFO] [stdout] test ringbuf_tests::test_lines ... ok
[INFO] [stdout] test std_tests::test_read_until ... ok
[INFO] [stdout] test std_tests::test_short_reads ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "83bf8dc2c355eac475e8fc3b807b1848edc20f7f2c534c3db3c441fb237a155b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bf8dc2c355eac475e8fc3b807b1848edc20f7f2c534c3db3c441fb237a155b", kill_on_drop: false }`
[INFO] [stdout] 83bf8dc2c355eac475e8fc3b807b1848edc20f7f2c534c3db3c441fb237a155b