[INFO] fetching crate vgtk-macros 0.3.0...
[INFO] testing vgtk-macros-0.3.0 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate vgtk-macros 0.3.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vgtk-macros 0.3.0
[INFO] finished tweaking crates.io crate vgtk-macros 0.3.0
[INFO] tweaked toml for crates.io crate vgtk-macros 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vgtk-macros 0.3.0 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 61 packages to latest compatible versions
[INFO] [stderr]       Adding lalrpop v0.19.12 (available: v0.23.1)
[INFO] [stderr]       Adding lalrpop-util v0.19.12 (available: v0.23.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lalrpop-util v0.19.12
[INFO] [stderr]   Downloaded siphasher v1.0.3
[INFO] [stderr]   Downloaded ena v0.14.4
[INFO] [stderr]   Downloaded ascii-canvas v3.0.0
[INFO] [stderr]   Downloaded lalrpop v0.19.12
[INFO] [stderr]   Downloaded petgraph v0.6.5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 26b4b7e5d0b1593019ef627f4b777b9b78756b67c4639b25c8d41276a772150c
[INFO] running `Command { std: "docker" "start" "-a" "26b4b7e5d0b1593019ef627f4b777b9b78756b67c4639b25c8d41276a772150c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26b4b7e5d0b1593019ef627f4b777b9b78756b67c4639b25c8d41276a772150c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26b4b7e5d0b1593019ef627f4b777b9b78756b67c4639b25c8d41276a772150c", kill_on_drop: false }`
[INFO] [stdout] 26b4b7e5d0b1593019ef627f4b777b9b78756b67c4639b25c8d41276a772150c
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2862146b4323443cf49d67c5d5825dd09ccf0d2becffbb328cb22214aa68dc75
[INFO] running `Command { std: "docker" "start" "-a" "2862146b4323443cf49d67c5d5825dd09ccf0d2becffbb328cb22214aa68dc75", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling crunchy v0.2.4
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling siphasher v1.0.3
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling ena v0.14.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling regex-syntax v0.6.29
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling string_cache v0.8.9
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling lalrpop-util v0.19.12
[INFO] [stderr]    Compiling lalrpop v0.19.12
[INFO] [stderr]    Compiling vgtk-macros v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `can_show_location_of_runtime_parse_error`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(can_show_location_of_runtime_parse_error, feature(proc_macro_span))]
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: expected names are: `docsrs`, `feature`, and `test` and 32 more
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(can_show_location_of_runtime_parse_error)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(can_show_location_of_runtime_parse_error)");` to the top of the `build.rs`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused extern crate
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | extern crate proc_macro;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ unused
[INFO] [stdout]   |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]  --> src/lib.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![deny(rust_2018_idioms, unsafe_code)]
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[deny(unused_extern_crates)]` implied by `#[deny(rust_2018_idioms)]`
[INFO] [stdout] help: remove the unused `extern crate`
[INFO] [stdout]   |
[INFO] [stdout] 4 - #[allow(clippy::useless_attribute)]
[INFO] [stdout] 5 - extern crate proc_macro;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/vgtk-macros-0957fd82089f8b51/out/grammar.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | extern crate core;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 13 - extern crate core;
[INFO] [stdout] 13 + use core;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `extern crate` is not idiomatic in the new edition
[INFO] [stdout]   --> /opt/rustwide/target/debug/build/vgtk-macros-0957fd82089f8b51/out/grammar.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     extern crate core;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: convert it to a `use`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     extern crate core;
[INFO] [stdout] 30 +     use core;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vgtk-macros` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "2862146b4323443cf49d67c5d5825dd09ccf0d2becffbb328cb22214aa68dc75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2862146b4323443cf49d67c5d5825dd09ccf0d2becffbb328cb22214aa68dc75", kill_on_drop: false }`
[INFO] [stdout] 2862146b4323443cf49d67c5d5825dd09ccf0d2becffbb328cb22214aa68dc75
