[INFO] fetching crate varu64 0.7.0... [INFO] testing varu64-0.7.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate varu64 0.7.0 into /workspace/builds/worker-3-tc1/source [INFO] started tweaking crates.io crate varu64 0.7.0 [INFO] finished tweaking crates.io crate varu64 0.7.0 [INFO] tweaked toml for crates.io crate varu64 0.7.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate varu64 0.7.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 34 packages to latest compatible versions [INFO] [stderr] Adding quickcheck v0.7.2 (available: v1.0.3) [INFO] [stderr] Adding snafu v0.6.10 (available: v0.8.9) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded snafu v0.6.10 [INFO] [stderr] Downloaded quickcheck v0.7.2 [INFO] [stderr] Downloaded snafu-derive v0.6.10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0bff8946f26dbb298b703100f26fdc9fc3dbebf0557d83c3f90f0666c22df294 [INFO] running `Command { std: "docker" "start" "-a" "0bff8946f26dbb298b703100f26fdc9fc3dbebf0557d83c3f90f0666c22df294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0bff8946f26dbb298b703100f26fdc9fc3dbebf0557d83c3f90f0666c22df294", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bff8946f26dbb298b703100f26fdc9fc3dbebf0557d83c3f90f0666c22df294", kill_on_drop: false }` [INFO] [stdout] 0bff8946f26dbb298b703100f26fdc9fc3dbebf0557d83c3f90f0666c22df294 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7095f467f313fc69d6e3698d511151761bef83248dc68a9e710341cc51b63c76 [INFO] running `Command { std: "docker" "start" "-a" "7095f467f313fc69d6e3698d511151761bef83248dc68a9e710341cc51b63c76", kill_on_drop: false }` [INFO] [stderr] Compiling doc-comment v0.3.4 [INFO] [stderr] Compiling snafu-derive v0.6.10 [INFO] [stderr] Compiling snafu v0.6.10 [INFO] [stderr] Compiling varu64 v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:140:35 [INFO] [stdout] | [INFO] [stdout] 140 | let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) }; [INFO] [stdout] | --------------------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u64::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 1.59s [INFO] running `Command { std: "docker" "inspect" "7095f467f313fc69d6e3698d511151761bef83248dc68a9e710341cc51b63c76", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7095f467f313fc69d6e3698d511151761bef83248dc68a9e710341cc51b63c76", kill_on_drop: false }` [INFO] [stdout] 7095f467f313fc69d6e3698d511151761bef83248dc68a9e710341cc51b63c76 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75ca897894db8ca7c2bf6793cfe2148f698e2a89ed29fa08c5639f260f884103 [INFO] running `Command { std: "docker" "start" "-a" "75ca897894db8ca7c2bf6793cfe2148f698e2a89ed29fa08c5639f260f884103", kill_on_drop: false }` [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:140:35 [INFO] [stdout] | [INFO] [stdout] 140 | let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) }; [INFO] [stdout] | --------------------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u64::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 rand_core v0.3.1 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling rand_core v0.2.2 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling quickcheck v0.7.2 [INFO] [stderr] Compiling varu64 v0.7.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary transmute [INFO] [stdout] --> src/lib.rs:140:35 [INFO] [stdout] | [INFO] [stdout] 140 | let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) }; [INFO] [stdout] | --------------------^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: replace this with: `u64::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 `test` profile [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "75ca897894db8ca7c2bf6793cfe2148f698e2a89ed29fa08c5639f260f884103", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75ca897894db8ca7c2bf6793cfe2148f698e2a89ed29fa08c5639f260f884103", kill_on_drop: false }` [INFO] [stdout] 75ca897894db8ca7c2bf6793cfe2148f698e2a89ed29fa08c5639f260f884103 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bf64b9a325055bb170f376d403eaa1e30552f56fc8db88f0be2305580f1ab28e [INFO] running `Command { std: "docker" "start" "-a" "bf64b9a325055bb170f376d403eaa1e30552f56fc8db88f0be2305580f1ab28e", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary transmute [INFO] [stderr] --> src/lib.rs:140:35 [INFO] [stderr] | [INFO] [stderr] 140 | let bytes: [u8; 8] = unsafe { core::mem::transmute(u64::to_be(n)) }; [INFO] [stderr] | --------------------^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: replace this with: `u64::to_ne_bytes` [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] [INFO] [stderr] warning: `varu64` (lib) generated 1 warning (run `cargo fix --lib -p varu64` to apply 1 suggestion) [INFO] [stderr] warning: `varu64` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/varu64-58b8a72b3a3e912b) [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test nb::tests::test_encoder ... ok [INFO] [stdout] test nb::tests::test_decoder ... ok [INFO] [stdout] test tests::decode_non_zero_u64_no_panic_with_too_large_encoded_value ... ok [INFO] [stdout] test tests::fixtures ... ok [INFO] [stdout] test nb::tests::test_length_value_encoder ... ok [INFO] [stdout] test nb::tests::test_length_value_decoder ... ok [INFO] [stdout] test tests::encode_decode_non_zero_u64 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests varu64 [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" "bf64b9a325055bb170f376d403eaa1e30552f56fc8db88f0be2305580f1ab28e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bf64b9a325055bb170f376d403eaa1e30552f56fc8db88f0be2305580f1ab28e", kill_on_drop: false }` [INFO] [stdout] bf64b9a325055bb170f376d403eaa1e30552f56fc8db88f0be2305580f1ab28e