[INFO] fetching crate buffered-io 0.5.4...
[INFO] testing buffered-io-0.5.4 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate buffered-io 0.5.4 into /workspace/builds/worker-6-tc1/source
[INFO] removed /workspace/builds/worker-6-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate buffered-io 0.5.4
[INFO] finished tweaking crates.io crate buffered-io 0.5.4
[INFO] tweaked toml for crates.io crate buffered-io 0.5.4 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate buffered-io 0.5.4 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 35 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]  Downloading crates ...
[INFO] [stderr]   Downloaded embedded-io-adapters v0.6.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8b066272a28b53aaa9a0ddaa7edbe6a994e148c2e0a7d26d874a88eb13a22c65
[INFO] running `Command { std: "docker" "start" "-a" "8b066272a28b53aaa9a0ddaa7edbe6a994e148c2e0a7d26d874a88eb13a22c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b066272a28b53aaa9a0ddaa7edbe6a994e148c2e0a7d26d874a88eb13a22c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b066272a28b53aaa9a0ddaa7edbe6a994e148c2e0a7d26d874a88eb13a22c65", kill_on_drop: false }`
[INFO] [stdout] 8b066272a28b53aaa9a0ddaa7edbe6a994e148c2e0a7d26d874a88eb13a22c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] ff75df1b31fc0369bc2638f983b79a6950e417c79741a40d2b9ff64af7496098
[INFO] running `Command { std: "docker" "start" "-a" "ff75df1b31fc0369bc2638f983b79a6950e417c79741a40d2b9ff64af7496098", kill_on_drop: false }`
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling buffered-io v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "ff75df1b31fc0369bc2638f983b79a6950e417c79741a40d2b9ff64af7496098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff75df1b31fc0369bc2638f983b79a6950e417c79741a40d2b9ff64af7496098", kill_on_drop: false }`
[INFO] [stdout] ff75df1b31fc0369bc2638f983b79a6950e417c79741a40d2b9ff64af7496098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 091f9bc8623bfc99217cbe912e97e2693d0031fc606c27862f0291755b043df6
[INFO] running `Command { std: "docker" "start" "-a" "091f9bc8623bfc99217cbe912e97e2693d0031fc606c27862f0291755b043df6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling embedded-io v0.6.1
[INFO] [stderr]    Compiling embedded-io-async v0.6.1
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling embedded-io-adapters v0.6.1
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling buffered-io v0.5.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio v1.45.1
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 16.60s
[INFO] running `Command { std: "docker" "inspect" "091f9bc8623bfc99217cbe912e97e2693d0031fc606c27862f0291755b043df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "091f9bc8623bfc99217cbe912e97e2693d0031fc606c27862f0291755b043df6", kill_on_drop: false }`
[INFO] [stdout] 091f9bc8623bfc99217cbe912e97e2693d0031fc606c27862f0291755b043df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 68172be343e9aa1d3c2f19b84bd980099866abedacb59f72d2ffc1e496d92a83
[INFO] running `Command { std: "docker" "start" "-a" "68172be343e9aa1d3c2f19b84bd980099866abedacb59f72d2ffc1e496d92a83", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/buffered_io-28c58f202086fe53)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test asynch::read::tests::bypass_on_large_buf ... ok
[INFO] [stdout] test asynch::read::tests::can_read_to_buffer ... ok
[INFO] [stdout] test asynch::read::tests::can_buf_read ... ok
[INFO] [stdout] test asynch::write::tests::large_write_when_not_empty_can_handle_write_errors ... ok
[INFO] [stdout] test asynch::write::tests::large_write_when_not_empty ... ok
[INFO] [stdout] test asynch::write::tests::can_append_to_buffer ... ok
[INFO] [stdout] test asynch::write::tests::bypass_large_write_when_empty ... ok
[INFO] [stdout] test asynch::write::tests::flush_clears_buffer ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "68172be343e9aa1d3c2f19b84bd980099866abedacb59f72d2ffc1e496d92a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68172be343e9aa1d3c2f19b84bd980099866abedacb59f72d2ffc1e496d92a83", kill_on_drop: false }`
[INFO] [stdout] 68172be343e9aa1d3c2f19b84bd980099866abedacb59f72d2ffc1e496d92a83