[INFO] fetching crate completion-io 0.2.0...
[INFO] testing completion-io-0.2.0 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] extracting crate completion-io 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate completion-io 0.2.0
[INFO] finished tweaking crates.io crate completion-io 0.2.0
[INFO] tweaked toml for crates.io crate completion-io 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate completion-io 0.2.0 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 11 packages to latest compatible versions
[INFO] [stderr]       Adding futures-lite v1.13.0 (available: v2.6.0)
[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 completion-core v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e8db455bedb311318d71e866db2df2c620816d8412054d859f28740620c384a2
[INFO] running `Command { std: "docker" "start" "-a" "e8db455bedb311318d71e866db2df2c620816d8412054d859f28740620c384a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8db455bedb311318d71e866db2df2c620816d8412054d859f28740620c384a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8db455bedb311318d71e866db2df2c620816d8412054d859f28740620c384a2", kill_on_drop: false }`
[INFO] [stdout] e8db455bedb311318d71e866db2df2c620816d8412054d859f28740620c384a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7d319818b2c794e5899841b2ceacff239b97e31220ccb6d4776beb54e77144ce
[INFO] running `Command { std: "docker" "start" "-a" "7d319818b2c794e5899841b2ceacff239b97e31220ccb6d4776beb54e77144ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling completion-core v0.2.0
[INFO] [stderr]    Compiling completion-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/read.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 64 -         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout] 64 +         std::io::Read::read(self, slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7d319818b2c794e5899841b2ceacff239b97e31220ccb6d4776beb54e77144ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d319818b2c794e5899841b2ceacff239b97e31220ccb6d4776beb54e77144ce", kill_on_drop: false }`
[INFO] [stdout] 7d319818b2c794e5899841b2ceacff239b97e31220ccb6d4776beb54e77144ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 739526156bb16216a1fdba575c1771eec0da2559b788cfac0b826df512613874
[INFO] running `Command { std: "docker" "start" "-a" "739526156bb16216a1fdba575c1771eec0da2559b788cfac0b826df512613874", kill_on_drop: false }`
[INFO] [stderr]    Compiling parking v2.2.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/read.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 64 -         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout] 64 +         std::io::Read::read(self, slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling waker-fn v1.2.0
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling completion-io v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary qualification
[INFO] [stdout]   --> src/read.rs:64:35
[INFO] [stdout]    |
[INFO] [stdout] 64 |         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     unused_qualifications,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] help: remove the unnecessary path segments
[INFO] [stdout]    |
[INFO] [stdout] 64 -         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout] 64 +         std::io::Read::read(self, slice::from_mut(&mut byte)).unwrap();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.21s
[INFO] running `Command { std: "docker" "inspect" "739526156bb16216a1fdba575c1771eec0da2559b788cfac0b826df512613874", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739526156bb16216a1fdba575c1771eec0da2559b788cfac0b826df512613874", kill_on_drop: false }`
[INFO] [stdout] 739526156bb16216a1fdba575c1771eec0da2559b788cfac0b826df512613874
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e3a062fd60cf5523a0584a6c74b5285098607124fd37e2df51358f68a57d3d3e
[INFO] running `Command { std: "docker" "start" "-a" "e3a062fd60cf5523a0584a6c74b5285098607124fd37e2df51358f68a57d3d3e", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary qualification
[INFO] [stderr]   --> src/read.rs:64:35
[INFO] [stderr]    |
[INFO] [stderr] 64 |         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stderr]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]   --> src/lib.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     unused_qualifications,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] help: remove the unnecessary path segments
[INFO] [stderr]    |
[INFO] [stderr] 64 -         std::io::Read::read(self, std::slice::from_mut(&mut byte)).unwrap();
[INFO] [stderr] 64 +         std::io::Read::read(self, slice::from_mut(&mut byte)).unwrap();
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `completion-io` (lib) generated 1 warning (run `cargo fix --lib -p completion-io` to apply 1 suggestion)
[INFO] [stdout] 
[INFO] [stderr] warning: `completion-io` (lib test) generated 1 warning (1 duplicate)
[INFO] [stdout] running 3 tests
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] test read::test_read_cursor ... ok
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/completion_io-6ccc50547c2431a6)
[INFO] [stdout] test read::test_read_repeat ... ok
[INFO] [stdout] test read::test_read_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e3a062fd60cf5523a0584a6c74b5285098607124fd37e2df51358f68a57d3d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a062fd60cf5523a0584a6c74b5285098607124fd37e2df51358f68a57d3d3e", kill_on_drop: false }`
[INFO] [stdout] e3a062fd60cf5523a0584a6c74b5285098607124fd37e2df51358f68a57d3d3e