[INFO] fetching crate unbytes 0.5.0...
[INFO] testing unbytes-0.5.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate unbytes 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate unbytes 0.5.0
[INFO] finished tweaking crates.io crate unbytes 0.5.0
[INFO] tweaked toml for crates.io crate unbytes 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate unbytes 0.5.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b95e72598e80e5132f99ae730632b0cf83110b523b9efd2c5a85c69d739d1bf
[INFO] running `Command { std: "docker" "start" "-a" "6b95e72598e80e5132f99ae730632b0cf83110b523b9efd2c5a85c69d739d1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b95e72598e80e5132f99ae730632b0cf83110b523b9efd2c5a85c69d739d1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b95e72598e80e5132f99ae730632b0cf83110b523b9efd2c5a85c69d739d1bf", kill_on_drop: false }`
[INFO] [stdout] 6b95e72598e80e5132f99ae730632b0cf83110b523b9efd2c5a85c69d739d1bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1755be445d12619f49cb02cdea4eb331f061e596c3271ded90ea180d0dbebc4
[INFO] running `Command { std: "docker" "start" "-a" "b1755be445d12619f49cb02cdea4eb331f061e596c3271ded90ea180d0dbebc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling unbytes v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/decode.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout] 20 +         Ok(unsafe { u8::cast_signed(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "b1755be445d12619f49cb02cdea4eb331f061e596c3271ded90ea180d0dbebc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1755be445d12619f49cb02cdea4eb331f061e596c3271ded90ea180d0dbebc4", kill_on_drop: false }`
[INFO] [stdout] b1755be445d12619f49cb02cdea4eb331f061e596c3271ded90ea180d0dbebc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b272176ab7332f87a510ce1304feff3b57df9b761b556049a0d1bd151385624c
[INFO] running `Command { std: "docker" "start" "-a" "b272176ab7332f87a510ce1304feff3b57df9b761b556049a0d1bd151385624c", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/decode.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout] 20 +         Ok(unsafe { u8::cast_signed(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling unbytes v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/decode.rs:20:21
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 20 -         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stdout] 20 +         Ok(unsafe { u8::cast_signed(reader.as_mut().read_byte()?) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "b272176ab7332f87a510ce1304feff3b57df9b761b556049a0d1bd151385624c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b272176ab7332f87a510ce1304feff3b57df9b761b556049a0d1bd151385624c", kill_on_drop: false }`
[INFO] [stdout] b272176ab7332f87a510ce1304feff3b57df9b761b556049a0d1bd151385624c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 011c1498e13326a9d71c3f9e9ad065315d9354c82bad1bba5ed033399ff53eeb
[INFO] running `Command { std: "docker" "start" "-a" "011c1498e13326a9d71c3f9e9ad065315d9354c82bad1bba5ed033399ff53eeb", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]   --> src/decode.rs:20:21
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]    |
[INFO] [stderr] 20 -         Ok(unsafe { transmute::<u8, i8>(reader.as_mut().read_byte()?) })
[INFO] [stderr] 20 +         Ok(unsafe { u8::cast_signed(reader.as_mut().read_byte()?) })
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `unbytes` (lib) generated 1 warning (run `cargo fix --lib -p unbytes` to apply 1 suggestion)
[INFO] [stderr] warning: `unbytes` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unbytes-36cdbd852a3eace9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test static_slice_test ... 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]    Doc-tests unbytes
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "011c1498e13326a9d71c3f9e9ad065315d9354c82bad1bba5ed033399ff53eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011c1498e13326a9d71c3f9e9ad065315d9354c82bad1bba5ed033399ff53eeb", kill_on_drop: false }`
[INFO] [stdout] 011c1498e13326a9d71c3f9e9ad065315d9354c82bad1bba5ed033399ff53eeb
