[INFO] fetching crate qrscan 0.1.8...
[INFO] testing qrscan-0.1.8 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate qrscan 0.1.8 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate qrscan 0.1.8 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qrscan 0.1.8
[INFO] finished tweaking crates.io crate qrscan 0.1.8
[INFO] tweaked toml for crates.io crate qrscan 0.1.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate qrscan 0.1.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simd-adler32 v0.3.4
[INFO] [stderr]   Downloaded viuer v0.6.2
[INFO] [stderr]   Downloaded ansi_colours v1.2.1
[INFO] [stderr]   Downloaded lru v0.9.0
[INFO] [stderr]   Downloaded spin v0.9.5
[INFO] [stderr]   Downloaded termtree v0.4.0
[INFO] [stderr]   Downloaded v4l2-sys-mit v0.2.0
[INFO] [stderr]   Downloaded nokhwa-bindings-windows v0.4.0
[INFO] [stderr]   Downloaded core-media-sys v0.1.2
[INFO] [stderr]   Downloaded mozjpeg v0.9.4
[INFO] [stderr]   Downloaded g2poly v1.0.1
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] [stderr]   Downloaded predicates-core v1.0.5
[INFO] [stderr]   Downloaded v4l v0.13.1
[INFO] [stderr]   Downloaded assert_cmd v2.0.8
[INFO] [stderr]   Downloaded nokhwa v0.10.3
[INFO] [stderr]   Downloaded qrencode v0.14.0
[INFO] [stderr]   Downloaded metal v0.18.0
[INFO] [stderr]   Downloaded predicates-tree v1.0.7
[INFO] [stderr]   Downloaded nokhwa-bindings-linux v0.1.0
[INFO] [stderr]   Downloaded nokhwa-bindings-macos v0.2.0
[INFO] [stderr]   Downloaded exr v1.5.3
[INFO] [stderr]   Downloaded nasm-rs v0.2.4
[INFO] [stderr]   Downloaded nokhwa-core v0.1.0
[INFO] [stderr]   Downloaded g2gen v1.0.1
[INFO] [stderr]   Downloaded g2p v1.0.1
[INFO] [stderr]   Downloaded mozjpeg-sys v1.0.6
[INFO] [stderr]   Downloaded rqrr v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 58653b02d8d747e954de4f9398a9a75ee5cd26e29ead93646b56c0d5656a6724
[INFO] running `Command { std: "docker" "start" "-a" "58653b02d8d747e954de4f9398a9a75ee5cd26e29ead93646b56c0d5656a6724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "58653b02d8d747e954de4f9398a9a75ee5cd26e29ead93646b56c0d5656a6724", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58653b02d8d747e954de4f9398a9a75ee5cd26e29ead93646b56c0d5656a6724", kill_on_drop: false }`
[INFO] [stdout] 58653b02d8d747e954de4f9398a9a75ee5cd26e29ead93646b56c0d5656a6724
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d3e9448fc7864c379a4e5fdfbb2e9819c1208e9ed0eb6faca5fd7221ec9eba8
[INFO] running `Command { std: "docker" "start" "-a" "6d3e9448fc7864c379a4e5fdfbb2e9819c1208e9ed0eb6faca5fd7221ec9eba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.51/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "6d3e9448fc7864c379a4e5fdfbb2e9819c1208e9ed0eb6faca5fd7221ec9eba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d3e9448fc7864c379a4e5fdfbb2e9819c1208e9ed0eb6faca5fd7221ec9eba8", kill_on_drop: false }`
[INFO] [stdout] 6d3e9448fc7864c379a4e5fdfbb2e9819c1208e9ed0eb6faca5fd7221ec9eba8
