[INFO] fetching crate qcheck 1.0.0...
[INFO] testing qcheck-1.0.0 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate qcheck 1.0.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate qcheck 1.0.0 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 qcheck 1.0.0
[INFO] finished tweaking crates.io crate qcheck 1.0.0
[INFO] tweaked toml for crates.io crate qcheck 1.0.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate qcheck 1.0.0 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 qcheck-macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 79fcdfcfaceaad5208676aa0d096ef84f0168fe1891ae07d39949b0a00f88403
[INFO] running `Command { std: "docker" "start" "-a" "79fcdfcfaceaad5208676aa0d096ef84f0168fe1891ae07d39949b0a00f88403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "79fcdfcfaceaad5208676aa0d096ef84f0168fe1891ae07d39949b0a00f88403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79fcdfcfaceaad5208676aa0d096ef84f0168fe1891ae07d39949b0a00f88403", kill_on_drop: false }`
[INFO] [stdout] 79fcdfcfaceaad5208676aa0d096ef84f0168fe1891ae07d39949b0a00f88403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7beee5e5283cf05c74bb5a579a6c7be84dd43ebb55883fd97302c28e04459e93
[INFO] running `Command { std: "docker" "start" "-a" "7beee5e5283cf05c74bb5a579a6c7be84dd43ebb55883fd97302c28e04459e93", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling qcheck v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `AShow` is never used
[INFO] [stdout]    --> src/tester.rs:420:7
[INFO] [stdout]     |
[INFO] [stdout] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "7beee5e5283cf05c74bb5a579a6c7be84dd43ebb55883fd97302c28e04459e93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7beee5e5283cf05c74bb5a579a6c7be84dd43ebb55883fd97302c28e04459e93", kill_on_drop: false }`
[INFO] [stdout] 7beee5e5283cf05c74bb5a579a6c7be84dd43ebb55883fd97302c28e04459e93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c1b4f1218fe381fba107cc11ea10c0d09c05a5a9e9a7f35124997ab4b54a85b
[INFO] running `Command { std: "docker" "start" "-a" "6c1b4f1218fe381fba107cc11ea10c0d09c05a5a9e9a7f35124997ab4b54a85b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stdout] warning: trait `AShow` is never used
[INFO] [stdout]    --> src/tester.rs:420:7
[INFO] [stdout]     |
[INFO] [stdout] 420 | trait AShow: Arbitrary + Debug {}
[INFO] [stdout]     |       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.47/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] [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] running `Command { std: "docker" "inspect" "6c1b4f1218fe381fba107cc11ea10c0d09c05a5a9e9a7f35124997ab4b54a85b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1b4f1218fe381fba107cc11ea10c0d09c05a5a9e9a7f35124997ab4b54a85b", kill_on_drop: false }`
[INFO] [stdout] 6c1b4f1218fe381fba107cc11ea10c0d09c05a5a9e9a7f35124997ab4b54a85b
