[INFO] fetching crate register-bits 0.2.3...
[INFO] building register-bits-0.2.3 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate register-bits 0.2.3 into /workspace/builds/worker-6-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-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate register-bits 0.2.3 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdb335ca0153bf133612bc917f9fb2b717ecd72d218559d89967550cd041620a
[INFO] running `Command { std: "docker" "start" "-a" "fdb335ca0153bf133612bc917f9fb2b717ecd72d218559d89967550cd041620a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdb335ca0153bf133612bc917f9fb2b717ecd72d218559d89967550cd041620a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb335ca0153bf133612bc917f9fb2b717ecd72d218559d89967550cd041620a", kill_on_drop: false }`
[INFO] [stdout] fdb335ca0153bf133612bc917f9fb2b717ecd72d218559d89967550cd041620a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d810be500067107f7505ce5c2c90bf9eb71b466dc10d3facd524677c180a853
[INFO] running `Command { std: "docker" "start" "-a" "7d810be500067107f7505ce5c2c90bf9eb71b466dc10d3facd524677c180a853", 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 0.30s
[INFO] running `Command { std: "docker" "inspect" "7d810be500067107f7505ce5c2c90bf9eb71b466dc10d3facd524677c180a853", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d810be500067107f7505ce5c2c90bf9eb71b466dc10d3facd524677c180a853", kill_on_drop: false }`
[INFO] [stdout] 7d810be500067107f7505ce5c2c90bf9eb71b466dc10d3facd524677c180a853
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0619edfcda744f06ab0a40a92190f8b21e0976cf66bca5265c870c4400010ac
[INFO] running `Command { std: "docker" "start" "-a" "d0619edfcda744f06ab0a40a92190f8b21e0976cf66bca5265c870c4400010ac", 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)]` (part of `#[warn(unused)]`) 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 1.01s
[INFO] running `Command { std: "docker" "inspect" "d0619edfcda744f06ab0a40a92190f8b21e0976cf66bca5265c870c4400010ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0619edfcda744f06ab0a40a92190f8b21e0976cf66bca5265c870c4400010ac", kill_on_drop: false }`
[INFO] [stdout] d0619edfcda744f06ab0a40a92190f8b21e0976cf66bca5265c870c4400010ac