[INFO] fetching crate bitbash 0.5.1...
[INFO] checking bitbash-0.5.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate bitbash 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate bitbash 0.5.1
[INFO] finished tweaking crates.io crate bitbash 0.5.1
[INFO] tweaked toml for crates.io crate bitbash 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate bitbash 0.5.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitbash-macros v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d9b463df74f7edaf11a6adef548c421d092c6b86ead8ed26e95d879f98e09af
[INFO] running `Command { std: "docker" "start" "-a" "2d9b463df74f7edaf11a6adef548c421d092c6b86ead8ed26e95d879f98e09af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d9b463df74f7edaf11a6adef548c421d092c6b86ead8ed26e95d879f98e09af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d9b463df74f7edaf11a6adef548c421d092c6b86ead8ed26e95d879f98e09af", kill_on_drop: false }`
[INFO] [stdout] 2d9b463df74f7edaf11a6adef548c421d092c6b86ead8ed26e95d879f98e09af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d76a4f173ed6967b9045ebc70eaaa036418373b9f8f9a312ba82e200f17512d
[INFO] running `Command { std: "docker" "start" "-a" "5d76a4f173ed6967b9045ebc70eaaa036418373b9f8f9a312ba82e200f17512d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling bitbash-macros v0.5.1
[INFO] [stderr]     Checking bitbash v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `QUUX_START` is never used
[INFO] [stdout]    --> src/lib.rs:336:19
[INFO] [stdout]     |
[INFO] [stdout] 336 |             const QUUX_START: isize = 0x5;
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |         tests!(bitfield_nonconst, BitEnumNonConst);
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Quux` is never used
[INFO] [stdout]    --> src/lib.rs:339:18
[INFO] [stdout]     |
[INFO] [stdout] 339 |             enum Quux {
[INFO] [stdout]     |                  ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |         tests!(bitfield_nonconst, BitEnumNonConst);
[INFO] [stdout]     |         ------------------------------------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.88s
[INFO] running `Command { std: "docker" "inspect" "5d76a4f173ed6967b9045ebc70eaaa036418373b9f8f9a312ba82e200f17512d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d76a4f173ed6967b9045ebc70eaaa036418373b9f8f9a312ba82e200f17512d", kill_on_drop: false }`
[INFO] [stdout] 5d76a4f173ed6967b9045ebc70eaaa036418373b9f8f9a312ba82e200f17512d