[INFO] fetching crate zero_v_gen 0.1.0...
[INFO] checking zero_v_gen-0.1.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate zero_v_gen 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zero_v_gen 0.1.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zero_v_gen 0.1.0
[INFO] finished tweaking crates.io crate zero_v_gen 0.1.0
[INFO] tweaked toml for crates.io crate zero_v_gen 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c8bc45ccd42836f6a932846bc595f8371274ef8a59a993cab9dcd0ef6c5afb4e
[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" "c8bc45ccd42836f6a932846bc595f8371274ef8a59a993cab9dcd0ef6c5afb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8bc45ccd42836f6a932846bc595f8371274ef8a59a993cab9dcd0ef6c5afb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bc45ccd42836f6a932846bc595f8371274ef8a59a993cab9dcd0ef6c5afb4e", kill_on_drop: false }`
[INFO] [stdout] c8bc45ccd42836f6a932846bc595f8371274ef8a59a993cab9dcd0ef6c5afb4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f719abc27714561f22498e3fb9f648d5f8d5e552e85478cee644eaa6c7ad6ec2
[INFO] running `Command { std: "docker" "start" "-a" "f719abc27714561f22498e3fb9f648d5f8d5e552e85478cee644eaa6c7ad6ec2", kill_on_drop: false }`
[INFO] [stderr]     Checking syn v1.0.74
[INFO] [stderr]    Compiling zero_v_gen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `zero_v`
[INFO] [stdout]  --> tests/int_op_test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use zero_v::compose;
[INFO] [stdout]   |     ^^^^^^ use of undeclared crate or module `zero_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `zero_v`
[INFO] [stdout]  --> tests/int_op_test.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[zero_v(trait_types)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ use of undeclared crate or module `zero_v`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `zero_v` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `compose`
[INFO] [stdout]   --> tests/int_op_test.rs:93:15
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let ops = compose!(
[INFO] [stdout]    |               ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the macro `compose`
[INFO] [stdout]    --> tests/int_op_test.rs:113:15
[INFO] [stdout]     |
[INFO] [stdout] 113 |     let ops = compose!(
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero_v_gen` due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f719abc27714561f22498e3fb9f648d5f8d5e552e85478cee644eaa6c7ad6ec2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f719abc27714561f22498e3fb9f648d5f8d5e552e85478cee644eaa6c7ad6ec2", kill_on_drop: false }`
[INFO] [stdout] f719abc27714561f22498e3fb9f648d5f8d5e552e85478cee644eaa6c7ad6ec2