[INFO] cloning repository https://github.com/n4to4/gazebo-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/n4to4/gazebo-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fgazebo-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fgazebo-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b561206c6758d9b69a72751d0bea4a2cc2404c2
[INFO] checking n4to4/gazebo-playground against try#c86ec274072509d26d0ee52682a0c94ed012ed89 for pr-153027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fn4to4%2Fgazebo-playground" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/n4to4/gazebo-playground
[INFO] finished tweaking git repo https://github.com/n4to4/gazebo-playground
[INFO] tweaked toml for git repo https://github.com/n4to4/gazebo-playground written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/n4to4/gazebo-playground on toolchain c86ec274072509d26d0ee52682a0c94ed012ed89
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/n4to4/gazebo-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded gazebo_derive v0.4.1
[INFO] [stderr]   Downloaded gazebo v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55224ec957acf019a57cd9b9b4531577162b8490e284d6456a3392683b1bc800
[INFO] running `Command { std: "docker" "start" "-a" "55224ec957acf019a57cd9b9b4531577162b8490e284d6456a3392683b1bc800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55224ec957acf019a57cd9b9b4531577162b8490e284d6456a3392683b1bc800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55224ec957acf019a57cd9b9b4531577162b8490e284d6456a3392683b1bc800", kill_on_drop: false }`
[INFO] [stdout] 55224ec957acf019a57cd9b9b4531577162b8490e284d6456a3392683b1bc800
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+c86ec274072509d26d0ee52682a0c94ed012ed89" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b92ec6768f6ca5e79aaf525f6b6786ab2816d127da3aaebcc467c5d26dbe0ce
[INFO] running `Command { std: "docker" "start" "-a" "6b92ec6768f6ca5e79aaf525f6b6786ab2816d127da3aaebcc467c5d26dbe0ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling gazebo_derive v0.4.1
[INFO] [stderr]     Checking gazebo v0.4.1
[INFO] [stderr]     Checking gazebo-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> src/casts_and_transmute.rs:8:35
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let y: [u8; 8] = unsafe { transmute(x) };
[INFO] [stdout]   |                                   ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]   |
[INFO] [stdout] 8 -         let y: [u8; 8] = unsafe { transmute(x) };
[INFO] [stdout] 8 +         let y: [u8; 8] = unsafe { u64::to_ne_bytes(x) };
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/casts_and_transmute.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let y = unsafe { transmute::<u64, [u8; 8]>(x) };
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 15 -         let y = unsafe { transmute::<u64, [u8; 8]>(x) };
[INFO] [stdout] 15 +         let y = unsafe { u64::to_ne_bytes(x) };
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s
[INFO] running `Command { std: "docker" "inspect" "6b92ec6768f6ca5e79aaf525f6b6786ab2816d127da3aaebcc467c5d26dbe0ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b92ec6768f6ca5e79aaf525f6b6786ab2816d127da3aaebcc467c5d26dbe0ce", kill_on_drop: false }`
[INFO] [stdout] 6b92ec6768f6ca5e79aaf525f6b6786ab2816d127da3aaebcc467c5d26dbe0ce
