[INFO] fetching crate primordial 0.3.0...
[INFO] testing primordial-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate primordial 0.3.0 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate primordial 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate primordial 0.3.0
[INFO] finished tweaking crates.io crate primordial 0.3.0
[INFO] tweaked toml for crates.io crate primordial 0.3.0 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aec2e6acf654ce55890f4c099f21b1248b183b391f3f40d20e4adeec28a28e2a
[INFO] running `Command { std: "docker" "start" "-a" "aec2e6acf654ce55890f4c099f21b1248b183b391f3f40d20e4adeec28a28e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aec2e6acf654ce55890f4c099f21b1248b183b391f3f40d20e4adeec28a28e2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aec2e6acf654ce55890f4c099f21b1248b183b391f3f40d20e4adeec28a28e2a", kill_on_drop: false }`
[INFO] [stdout] aec2e6acf654ce55890f4c099f21b1248b183b391f3f40d20e4adeec28a28e2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e303202ea6c3440e0e186960869be61dc8587dba4ef5007c3dacb7e3087e5fc0
[INFO] running `Command { std: "docker" "start" "-a" "e303202ea6c3440e0e186960869be61dc8587dba4ef5007c3dacb7e3087e5fc0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling primordial v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "e303202ea6c3440e0e186960869be61dc8587dba4ef5007c3dacb7e3087e5fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e303202ea6c3440e0e186960869be61dc8587dba4ef5007c3dacb7e3087e5fc0", kill_on_drop: false }`
[INFO] [stdout] e303202ea6c3440e0e186960869be61dc8587dba4ef5007c3dacb7e3087e5fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e4d4b2feb252171f8b57c8b3b841bc425c28bb761b4bc89e6b2b1fbf1bd8408
[INFO] running `Command { std: "docker" "start" "-a" "9e4d4b2feb252171f8b57c8b3b841bc425c28bb761b4bc89e6b2b1fbf1bd8408", kill_on_drop: false }`
[INFO] [stderr]    Compiling primordial v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:318:9
[INFO] [stdout]     |
[INFO] [stdout] 318 |         Register::<usize>::from(0u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         Register::<usize>::from(0u16);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:320:9
[INFO] [stdout]     |
[INFO] [stdout] 320 |         Register::<usize>::from(0u32);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:321:9
[INFO] [stdout]     |
[INFO] [stdout] 321 |         Register::<usize>::from(0i8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:322:9
[INFO] [stdout]     |
[INFO] [stdout] 322 |         Register::<usize>::from(0i16);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:323:9
[INFO] [stdout]     |
[INFO] [stdout] 323 |         Register::<usize>::from(0i32);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:325:9
[INFO] [stdout]     |
[INFO] [stdout] 325 |         Register::<u64>::from(0usize);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:326:9
[INFO] [stdout]     |
[INFO] [stdout] 326 |         Register::<u64>::from(0isize);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:331:9
[INFO] [stdout]     |
[INFO] [stdout] 331 |         <*const u8>::from(Register::<usize>::from(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:332:9
[INFO] [stdout]     |
[INFO] [stdout] 332 |         Register::<usize>::from(&0u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:333:9
[INFO] [stdout]     |
[INFO] [stdout] 333 |         Register::<usize>::from(&0u8 as *const u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:335:9
[INFO] [stdout]     |
[INFO] [stdout] 335 |         <*mut u8>::from(Register::<usize>::from(0));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         Register::<usize>::from(&mut 0u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `from` that must be used
[INFO] [stdout]    --> src/register.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         Register::<usize>::from(&mut 0u8 as *mut u8);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "9e4d4b2feb252171f8b57c8b3b841bc425c28bb761b4bc89e6b2b1fbf1bd8408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e4d4b2feb252171f8b57c8b3b841bc425c28bb761b4bc89e6b2b1fbf1bd8408", kill_on_drop: false }`
[INFO] [stdout] 9e4d4b2feb252171f8b57c8b3b841bc425c28bb761b4bc89e6b2b1fbf1bd8408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 47138ebda880122244da028022ec01c26c58e6d3eee7657f9cffe55cd0fc78b7
[INFO] running `Command { std: "docker" "start" "-a" "47138ebda880122244da028022ec01c26c58e6d3eee7657f9cffe55cd0fc78b7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stdout] running 6 tests
[INFO] [stderr]    --> src/register.rs:318:9
[INFO] [stderr]     |
[INFO] [stderr] 318 |         Register::<usize>::from(0u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:319:9
[INFO] [stderr]     |
[INFO] [stderr] 319 |         Register::<usize>::from(0u16);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:320:9
[INFO] [stderr]     |
[INFO] [stderr] 320 |         Register::<usize>::from(0u32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:321:9
[INFO] [stderr]     |
[INFO] [stderr] 321 |         Register::<usize>::from(0i8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         Register::<usize>::from(0i16);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:323:9
[INFO] [stderr]     |
[INFO] [stderr] 323 |         Register::<usize>::from(0i32);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:325:9
[INFO] [stderr]     |
[INFO] [stderr] 325 |         Register::<u64>::from(0usize);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:326:9
[INFO] [stderr]     |
[INFO] [stderr] 326 |         Register::<u64>::from(0isize);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:331:9
[INFO] [stderr]     |
[INFO] [stderr] 331 |         <*const u8>::from(Register::<usize>::from(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:332:9
[INFO] [stderr]     |
[INFO] [stderr] 332 |         Register::<usize>::from(&0u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:333:9
[INFO] [stderr]     |
[INFO] [stderr] 333 |         Register::<usize>::from(&0u8 as *const u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:335:9
[INFO] [stderr]     |
[INFO] [stderr] 335 |         <*mut u8>::from(Register::<usize>::from(0));
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:336:9
[INFO] [stderr]     |
[INFO] [stderr] 336 |         Register::<usize>::from(&mut 0u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `from` that must be used
[INFO] [stderr]    --> src/register.rs:337:9
[INFO] [stderr]     |
[INFO] [stderr] 337 |         Register::<usize>::from(&mut 0u8 as *mut u8);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `primordial` (lib test) generated 14 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/primordial-6d363afb88407587)
[INFO] [stdout] test address::test::align ... ok
[INFO] [stdout] test address::test::print_pointer ... ok
[INFO] [stdout] test register::tests::integers ... ok
[INFO] [stdout] test register::tests::pointers ... ok
[INFO] [stdout] test register::tests::signed_from_register_usize ... ok
[INFO] [stdout] test register::tests::slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests primordial
[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" "47138ebda880122244da028022ec01c26c58e6d3eee7657f9cffe55cd0fc78b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47138ebda880122244da028022ec01c26c58e6d3eee7657f9cffe55cd0fc78b7", kill_on_drop: false }`
[INFO] [stdout] 47138ebda880122244da028022ec01c26c58e6d3eee7657f9cffe55cd0fc78b7