[INFO] fetching crate random-fast-rng 0.1.1...
[INFO] testing random-fast-rng-0.1.1 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate random-fast-rng 0.1.1 into /workspace/builds/worker-0-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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate random-fast-rng 0.1.1 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5b6ceaa8149d6a2bcd5b3cd25472f45d604183e00e7b802dc8d05d56c0665e6
[INFO] running `Command { std: "docker" "start" "-a" "d5b6ceaa8149d6a2bcd5b3cd25472f45d604183e00e7b802dc8d05d56c0665e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5b6ceaa8149d6a2bcd5b3cd25472f45d604183e00e7b802dc8d05d56c0665e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5b6ceaa8149d6a2bcd5b3cd25472f45d604183e00e7b802dc8d05d56c0665e6", kill_on_drop: false }`
[INFO] [stdout] d5b6ceaa8149d6a2bcd5b3cd25472f45d604183e00e7b802dc8d05d56c0665e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2ebf476db429055dc25d3cb8576b097f2a315b2c373a5bf4188e3a24ec0f93c
[INFO] running `Command { std: "docker" "start" "-a" "a2ebf476db429055dc25d3cb8576b097f2a315b2c373a5bf4188e3a24ec0f93c", 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 1.96s
[INFO] running `Command { std: "docker" "inspect" "a2ebf476db429055dc25d3cb8576b097f2a315b2c373a5bf4188e3a24ec0f93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ebf476db429055dc25d3cb8576b097f2a315b2c373a5bf4188e3a24ec0f93c", kill_on_drop: false }`
[INFO] [stdout] a2ebf476db429055dc25d3cb8576b097f2a315b2c373a5bf4188e3a24ec0f93c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da6dd7e948eefc6e44dfbc693c19ac27c5d4d3dc15820dabc93caf48041f0206
[INFO] running `Command { std: "docker" "start" "-a" "da6dd7e948eefc6e44dfbc693c19ac27c5d4d3dc15820dabc93caf48041f0206", 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] [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] [stderr] error: could not compile `random-fast-rng` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "da6dd7e948eefc6e44dfbc693c19ac27c5d4d3dc15820dabc93caf48041f0206", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da6dd7e948eefc6e44dfbc693c19ac27c5d4d3dc15820dabc93caf48041f0206", kill_on_drop: false }`
[INFO] [stdout] da6dd7e948eefc6e44dfbc693c19ac27c5d4d3dc15820dabc93caf48041f0206