[INFO] fetching crate random-fast-rng 0.1.1...
[INFO] testing random-fast-rng-0.1.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate random-fast-rng 0.1.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate random-fast-rng 0.1.1
[INFO] finished tweaking crates.io crate random-fast-rng 0.1.1
[INFO] tweaked toml for crates.io crate random-fast-rng 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate random-fast-rng 0.1.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random-trait v0.1.1
[INFO] [stderr]   Downloaded doc-comment v0.3.4
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce24f5691a7faca6fb4de3fc4a990f9f8a7dc32a193f0c6318bb55d9b850c894
[INFO] running `Command { std: "docker" "start" "-a" "ce24f5691a7faca6fb4de3fc4a990f9f8a7dc32a193f0c6318bb55d9b850c894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce24f5691a7faca6fb4de3fc4a990f9f8a7dc32a193f0c6318bb55d9b850c894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce24f5691a7faca6fb4de3fc4a990f9f8a7dc32a193f0c6318bb55d9b850c894", kill_on_drop: false }`
[INFO] [stdout] ce24f5691a7faca6fb4de3fc4a990f9f8a7dc32a193f0c6318bb55d9b850c894
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a462c1188e6b648c074954a4ab37cb817ae78b8834c3f51ec2d7b336aa517f2
[INFO] running `Command { std: "docker" "start" "-a" "3a462c1188e6b648c074954a4ab37cb817ae78b8834c3f51ec2d7b336aa517f2", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling random-trait v0.1.1
[INFO] [stderr]    Compiling random-fast-rng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[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] 122 -             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[INFO] [stdout] 122 +             let rand: [u8; 4] = unsafe { u32::to_ne_bytes(self.gen_u32()) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "3a462c1188e6b648c074954a4ab37cb817ae78b8834c3f51ec2d7b336aa517f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a462c1188e6b648c074954a4ab37cb817ae78b8834c3f51ec2d7b336aa517f2", kill_on_drop: false }`
[INFO] [stdout] 3a462c1188e6b648c074954a4ab37cb817ae78b8834c3f51ec2d7b336aa517f2
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e8c7a2ed8271bc3dba1eb0748f1f5bae3dbc54e8f47d496932ea141b4f9e50e
[INFO] running `Command { std: "docker" "start" "-a" "5e8c7a2ed8271bc3dba1eb0748f1f5bae3dbc54e8f47d496932ea141b4f9e50e", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling random-fast-rng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[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] 122 -             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[INFO] [stdout] 122 +             let rand: [u8; 4] = unsafe { u32::to_ne_bytes(self.gen_u32()) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unnecessary transmute
[INFO] [stdout]    --> src/lib.rs:122:42
[INFO] [stdout]     |
[INFO] [stdout] 122 |             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[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: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:24
[INFO] [stdout]     |
[INFO] [stdout]   3 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unnecessary_transmutes)]` implied by `#[deny(warnings)]`
[INFO] [stdout] help: replace this with
[INFO] [stdout]     |
[INFO] [stdout] 122 -             let rand: [u8; 4] = unsafe { mem::transmute(self.gen_u32()) };
[INFO] [stdout] 122 +             let rand: [u8; 4] = unsafe { u32::to_ne_bytes(self.gen_u32()) };
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `random-fast-rng` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "5e8c7a2ed8271bc3dba1eb0748f1f5bae3dbc54e8f47d496932ea141b4f9e50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8c7a2ed8271bc3dba1eb0748f1f5bae3dbc54e8f47d496932ea141b4f9e50e", kill_on_drop: false }`
[INFO] [stdout] 5e8c7a2ed8271bc3dba1eb0748f1f5bae3dbc54e8f47d496932ea141b4f9e50e