[INFO] fetching crate random-fast-rng 0.1.1... [INFO] testing random-fast-rng-0.1.1 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate random-fast-rng 0.1.1 into /workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate random-fast-rng 0.1.1 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1d470550baa17a36ab78161c783fb552660f17233daf17b2bf0fb45027238908 [INFO] running `Command { std: "docker" "start" "-a" "1d470550baa17a36ab78161c783fb552660f17233daf17b2bf0fb45027238908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1d470550baa17a36ab78161c783fb552660f17233daf17b2bf0fb45027238908", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d470550baa17a36ab78161c783fb552660f17233daf17b2bf0fb45027238908", kill_on_drop: false }` [INFO] [stdout] 1d470550baa17a36ab78161c783fb552660f17233daf17b2bf0fb45027238908 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 121c55bc2ea3890c6966fb9bd105adaa1f7e771232e7f65b40104cd9ff7c17a3 [INFO] running `Command { std: "docker" "start" "-a" "121c55bc2ea3890c6966fb9bd105adaa1f7e771232e7f65b40104cd9ff7c17a3", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition 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: replace this with: `u32::to_ne_bytes` [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] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.91s [INFO] running `Command { std: "docker" "inspect" "121c55bc2ea3890c6966fb9bd105adaa1f7e771232e7f65b40104cd9ff7c17a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "121c55bc2ea3890c6966fb9bd105adaa1f7e771232e7f65b40104cd9ff7c17a3", kill_on_drop: false }` [INFO] [stdout] 121c55bc2ea3890c6966fb9bd105adaa1f7e771232e7f65b40104cd9ff7c17a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9047a4a6adba9912fd95acbe4ec06f9239df22ea99ed0f89449718c7955e6b9 [INFO] running `Command { std: "docker" "start" "-a" "d9047a4a6adba9912fd95acbe4ec06f9239df22ea99ed0f89449718c7955e6b9", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [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: replace this with: `u32::to_ne_bytes` [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] [INFO] [stdout] [INFO] [stderr] Compiling random-fast-rng v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `random-fast-rng` (lib test) due to 1 previous error [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: replace this with: `u32::to_ne_bytes` [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] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "d9047a4a6adba9912fd95acbe4ec06f9239df22ea99ed0f89449718c7955e6b9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9047a4a6adba9912fd95acbe4ec06f9239df22ea99ed0f89449718c7955e6b9", kill_on_drop: false }` [INFO] [stdout] d9047a4a6adba9912fd95acbe4ec06f9239df22ea99ed0f89449718c7955e6b9