[INFO] fetching crate register-bits 0.2.3...
[INFO] testing register-bits-0.2.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate register-bits 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate register-bits 0.2.3
[INFO] finished tweaking crates.io crate register-bits 0.2.3
[INFO] tweaked toml for crates.io crate register-bits 0.2.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate register-bits 0.2.3 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e9edcc51702a074bd29d62f1a0d05f9eaae079da682794535ba2afa25bad770
[INFO] running `Command { std: "docker" "start" "-a" "0e9edcc51702a074bd29d62f1a0d05f9eaae079da682794535ba2afa25bad770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e9edcc51702a074bd29d62f1a0d05f9eaae079da682794535ba2afa25bad770", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e9edcc51702a074bd29d62f1a0d05f9eaae079da682794535ba2afa25bad770", kill_on_drop: false }`
[INFO] [stdout] 0e9edcc51702a074bd29d62f1a0d05f9eaae079da682794535ba2afa25bad770
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7efba3ed327907c841d81a44abf5640fa9a2a5b1bcbb468a351549ed899eac
[INFO] running `Command { std: "docker" "start" "-a" "5c7efba3ed327907c841d81a44abf5640fa9a2a5b1bcbb468a351549ed899eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling register-bits v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "5c7efba3ed327907c841d81a44abf5640fa9a2a5b1bcbb468a351549ed899eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7efba3ed327907c841d81a44abf5640fa9a2a5b1bcbb468a351549ed899eac", kill_on_drop: false }`
[INFO] [stdout] 5c7efba3ed327907c841d81a44abf5640fa9a2a5b1bcbb468a351549ed899eac
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22708e6c1ecc6162a497b65369aa77c60a5d03649736a5ebe90383b5673d1960
[INFO] running `Command { std: "docker" "start" "-a" "22708e6c1ecc6162a497b65369aa77c60a5d03649736a5ebe90383b5673d1960", kill_on_drop: false }`
[INFO] [stderr]    Compiling register-bits v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `PlaceholderStructNameBitSize` is never used
[INFO] [stdout]    --> src/reg_reference.rs:312:11
[INFO] [stdout]     |
[INFO] [stdout] 312 | pub trait PlaceholderStructNameBitSize {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PlaceholderStructNameDownCast` is never used
[INFO] [stdout]    --> src/reg_reference.rs:323:11
[INFO] [stdout]     |
[INFO] [stdout] 323 | pub trait PlaceholderStructNameDownCast<const T: usize>:
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PlaceholderStructNameUpCast` is never used
[INFO] [stdout]    --> src/reg_reference.rs:362:11
[INFO] [stdout]     |
[INFO] [stdout] 362 | pub trait PlaceholderStructNameUpCast<const T: usize>:
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `PlaceholderStructNameConcat` is never used
[INFO] [stdout]    --> src/reg_reference.rs:439:11
[INFO] [stdout]     |
[INFO] [stdout] 439 | pub trait PlaceholderStructNameConcat<const R: usize, const O: usize>:
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "22708e6c1ecc6162a497b65369aa77c60a5d03649736a5ebe90383b5673d1960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22708e6c1ecc6162a497b65369aa77c60a5d03649736a5ebe90383b5673d1960", kill_on_drop: false }`
[INFO] [stdout] 22708e6c1ecc6162a497b65369aa77c60a5d03649736a5ebe90383b5673d1960
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 78bf31a747983ec44dc0bdee8870cea43d4dfaa555190f0ebe1c1e233f868c65
[INFO] running `Command { std: "docker" "start" "-a" "78bf31a747983ec44dc0bdee8870cea43d4dfaa555190f0ebe1c1e233f868c65", kill_on_drop: false }`
[INFO] [stderr] warning: trait `PlaceholderStructNameBitSize` is never used
[INFO] [stderr]    --> src/reg_reference.rs:312:11
[INFO] [stderr]     |
[INFO] [stderr] 312 | pub trait PlaceholderStructNameBitSize {
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `PlaceholderStructNameDownCast` is never used
[INFO] [stderr]    --> src/reg_reference.rs:323:11
[INFO] [stderr]     |
[INFO] [stderr] 323 | pub trait PlaceholderStructNameDownCast<const T: usize>:
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `PlaceholderStructNameUpCast` is never used
[INFO] [stderr]    --> src/reg_reference.rs:362:11
[INFO] [stderr]     |
[INFO] [stderr] 362 | pub trait PlaceholderStructNameUpCast<const T: usize>:
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `PlaceholderStructNameConcat` is never used
[INFO] [stderr]    --> src/reg_reference.rs:439:11
[INFO] [stderr]     |
[INFO] [stderr] 439 | pub trait PlaceholderStructNameConcat<const R: usize, const O: usize>:
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `register-bits` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/register_bits-0f9ece200f6488ad)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test reg_reference::tests::base_ones ... ok
[INFO] [stdout] test reg_reference::tests::bit_eq ... ok
[INFO] [stdout] test reg_reference::tests::bits_add ... ok
[INFO] [stdout] test reg_reference::tests::bits_not ... ok
[INFO] [stdout] test reg_reference::tests::bits_shl ... ok
[INFO] [stdout] test reg_reference::tests::bits_rem ... ok
[INFO] [stdout] test reg_reference::tests::bits_shr ... ok
[INFO] [stdout] test reg_reference::tests::bits_sub ... ok
[INFO] [stdout] test reg_reference::tests::get_bits ... ok
[INFO] [stdout] test reg_reference::tests::match_bits ... ok
[INFO] [stdout] test reg_reference::tests::priv_truncate ... ok
[INFO] [stdout] test reg_reference::tests::top_bit ... ok
[INFO] [stdout] test reg_reference::tests::bits_consts ... ok
[INFO] [stderr]      Running tests/concat.rs (/opt/rustwide/target/debug/deps/concat-e87c8d27dc9f720b)
[INFO] [stdout] test reg_reference::tests::bits_div ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test concat ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/up-downcasting.rs (/opt/rustwide/target/debug/deps/up_downcasting-272ef0934747d70d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test upcasting ... ok
[INFO] [stdout] test downcasting ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests register_bits
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test src/reg32.rs - reg32::Reg32BitsUpCast::zero_extend (line 376) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32BitsUpCast::zero_pad (line 431) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32Bits<N>::get (line 136) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32BitsDownCast::take_high (line 354) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32BitsUpCast::sign_extend (line 394) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32BitsDownCast::take_low (line 337) ... ok
[INFO] [stdout] test src/reg32.rs - reg32::Reg32Bits<N>::bits (line 102) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "78bf31a747983ec44dc0bdee8870cea43d4dfaa555190f0ebe1c1e233f868c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78bf31a747983ec44dc0bdee8870cea43d4dfaa555190f0ebe1c1e233f868c65", kill_on_drop: false }`
[INFO] [stdout] 78bf31a747983ec44dc0bdee8870cea43d4dfaa555190f0ebe1c1e233f868c65