[INFO] fetching crate bolero-generator 0.5.2...
[INFO] checking bolero-generator-0.5.2 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate bolero-generator 0.5.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate bolero-generator 0.5.2 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bolero-generator 0.5.2
[INFO] finished tweaking crates.io crate bolero-generator 0.5.2
[INFO] tweaked toml for crates.io crate bolero-generator 0.5.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59a26bdbeee3d77c44e27e4c1f85f147051e9a94352e4575bb8cbd0859ccb5ac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "59a26bdbeee3d77c44e27e4c1f85f147051e9a94352e4575bb8cbd0859ccb5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a26bdbeee3d77c44e27e4c1f85f147051e9a94352e4575bb8cbd0859ccb5ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a26bdbeee3d77c44e27e4c1f85f147051e9a94352e4575bb8cbd0859ccb5ac", kill_on_drop: false }`
[INFO] [stdout] 59a26bdbeee3d77c44e27e4c1f85f147051e9a94352e4575bb8cbd0859ccb5ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a48e8606f30426a1391b8e642b4f19e2a49b7bf87e5140f335c55dec1875c64
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8a48e8606f30426a1391b8e642b4f19e2a49b7bf87e5140f335c55dec1875c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling bolero-generator-derive v0.5.2
[INFO] [stderr]     Checking bolero-generator v0.5.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/derive_test.rs:14:33
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NewType(#[generator(4..10)] u64);
[INFO] [stdout]    |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/derive_test.rs:21:27
[INFO] [stdout]    |
[INFO] [stdout] 21 |     #[generator(Vec::gen().with().len(1usize..5))]
[INFO] [stdout]    |                           ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/derive_test.rs:31:22
[INFO] [stdout]    |
[INFO] [stdout] 31 |         #[generator(1..3)]
[INFO] [stdout]    |                      ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/derive_test.rs:36:33
[INFO] [stdout]    |
[INFO] [stdout] 36 |         #[generator(usize::gen().with().bounds(4..6))]
[INFO] [stdout]    |                                 ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]   --> tests/derive_test.rs:40:35
[INFO] [stdout]    |
[INFO] [stdout] 40 |     CustomGenerator(#[generator(42..53)] usize),
[INFO] [stdout]    |                                   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bolero-generator`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8a48e8606f30426a1391b8e642b4f19e2a49b7bf87e5140f335c55dec1875c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a48e8606f30426a1391b8e642b4f19e2a49b7bf87e5140f335c55dec1875c64", kill_on_drop: false }`
[INFO] [stdout] 8a48e8606f30426a1391b8e642b4f19e2a49b7bf87e5140f335c55dec1875c64