[INFO] fetching crate transmute-bytes 0.1.1...
[INFO] testing transmute-bytes-0.1.1 against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739-1
[INFO] extracting crate transmute-bytes 0.1.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate transmute-bytes 0.1.1
[INFO] finished tweaking crates.io crate transmute-bytes 0.1.1
[INFO] tweaked toml for crates.io crate transmute-bytes 0.1.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate transmute-bytes 0.1.1 on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "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" "+33835004928d3bf65db4d4712e1330766263b0bd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b5968ff22ee873c5162a68bb6e0a17027865265962b5ee4cc2fbd4268814c77
[INFO] running `Command { std: "docker" "start" "-a" "2b5968ff22ee873c5162a68bb6e0a17027865265962b5ee4cc2fbd4268814c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b5968ff22ee873c5162a68bb6e0a17027865265962b5ee4cc2fbd4268814c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b5968ff22ee873c5162a68bb6e0a17027865265962b5ee4cc2fbd4268814c77", kill_on_drop: false }`
[INFO] [stdout] 2b5968ff22ee873c5162a68bb6e0a17027865265962b5ee4cc2fbd4268814c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01452edfca098d5e19646c7d7378767d683336f96fee15845252bd844526ecb9
[INFO] running `Command { std: "docker" "start" "-a" "01452edfca098d5e19646c7d7378767d683336f96fee15845252bd844526ecb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "01452edfca098d5e19646c7d7378767d683336f96fee15845252bd844526ecb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01452edfca098d5e19646c7d7378767d683336f96fee15845252bd844526ecb9", kill_on_drop: false }`
[INFO] [stdout] 01452edfca098d5e19646c7d7378767d683336f96fee15845252bd844526ecb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59ce3839117ba47d2e3f80b97827395aeec3e797b7ba8c9a5f01927f3f56676f
[INFO] running `Command { std: "docker" "start" "-a" "59ce3839117ba47d2e3f80b97827395aeec3e797b7ba8c9a5f01927f3f56676f", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute-bytes v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]  --> tests/basic.rs:7:43
[INFO] [stdout]   |
[INFO] [stdout] 7 |             let bytes: [u8; 8] = unsafe { std::mem::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] 7 -             let bytes: [u8; 8] = unsafe { std::mem::transmute(x) };
[INFO] [stdout] 7 +             let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(x) };
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "59ce3839117ba47d2e3f80b97827395aeec3e797b7ba8c9a5f01927f3f56676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59ce3839117ba47d2e3f80b97827395aeec3e797b7ba8c9a5f01927f3f56676f", kill_on_drop: false }`
[INFO] [stdout] 59ce3839117ba47d2e3f80b97827395aeec3e797b7ba8c9a5f01927f3f56676f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5a34fa84a525403bad566e9b0f0d121891f4bee925305a3f3ae207eb1d7acb2f
[INFO] running `Command { std: "docker" "start" "-a" "5a34fa84a525403bad566e9b0f0d121891f4bee925305a3f3ae207eb1d7acb2f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary transmute
[INFO] [stderr]  --> tests/basic.rs:7:43
[INFO] [stderr]   |
[INFO] [stderr] 7 |             let bytes: [u8; 8] = unsafe { std::mem::transmute(x) };
[INFO] [stderr]   |                                           ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: there's also `to_le_bytes` and `to_be_bytes` if you expect a particular byte order
[INFO] [stderr]   = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stderr] help: replace this with
[INFO] [stderr]   |
[INFO] [stderr] 7 -             let bytes: [u8; 8] = unsafe { std::mem::transmute(x) };
[INFO] [stderr] 7 +             let bytes: [u8; 8] = unsafe { u64::to_ne_bytes(x) };
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `transmute-bytes` (test "basic") generated 1 warning (run `cargo fix --test "basic" -p transmute-bytes` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/transmute_bytes-451973e881e6ab39)
[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] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-0f11bdb6badd7140)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test borrowed ... ok
[INFO] [stdout] test basic ... ok
[INFO] [stdout] test owned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests transmute_bytes
[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" "5a34fa84a525403bad566e9b0f0d121891f4bee925305a3f3ae207eb1d7acb2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a34fa84a525403bad566e9b0f0d121891f4bee925305a3f3ae207eb1d7acb2f", kill_on_drop: false }`
[INFO] [stdout] 5a34fa84a525403bad566e9b0f0d121891f4bee925305a3f3ae207eb1d7acb2f
