[INFO] fetching crate zero_v_gen 0.1.0...
[INFO] checking zero_v_gen-0.1.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate zero_v_gen 0.1.0 into /workspace/builds/worker-2-tc2/source
[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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zero_v_gen 0.1.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] [stderr]       Adding convert_case v0.4.0 (available: v0.8.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56fae993b466805396f8314e323d1775bdb694027756e7013d62c92025edd699
[INFO] running `Command { std: "docker" "start" "-a" "56fae993b466805396f8314e323d1775bdb694027756e7013d62c92025edd699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fae993b466805396f8314e323d1775bdb694027756e7013d62c92025edd699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fae993b466805396f8314e323d1775bdb694027756e7013d62c92025edd699", kill_on_drop: false }`
[INFO] [stdout] 56fae993b466805396f8314e323d1775bdb694027756e7013d62c92025edd699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b055541d207779c4c4d240d2f84c8a19ee5cff35c21dceec87de4aa30920fef
[INFO] running `Command { std: "docker" "start" "-a" "8b055541d207779c4c4d240d2f84c8a19ee5cff35c21dceec87de4aa30920fef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking 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 unresolved module or unlinked crate `zero_v`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `zero_v`, use `cargo add zero_v` to add it to your `Cargo.toml`
[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 unresolved module or unlinked crate `zero_v`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `zero_v`, use `cargo add zero_v` to add it to your `Cargo.toml`
[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] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zero_v_gen` (test "int_op_test") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b055541d207779c4c4d240d2f84c8a19ee5cff35c21dceec87de4aa30920fef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b055541d207779c4c4d240d2f84c8a19ee5cff35c21dceec87de4aa30920fef", kill_on_drop: false }`
[INFO] [stdout] 8b055541d207779c4c4d240d2f84c8a19ee5cff35c21dceec87de4aa30920fef