[INFO] cloning repository https://github.com/Jasperav/proc_macro_collision
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jasperav/proc_macro_collision" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fproc_macro_collision", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fproc_macro_collision'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1fa569f8e77afe18c65fb4c47105a7fc7573e146
[INFO] testing Jasperav/proc_macro_collision against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJasperav%2Fproc_macro_collision" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Jasperav/proc_macro_collision on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Jasperav/proc_macro_collision
[INFO] finished tweaking git repo https://github.com/Jasperav/proc_macro_collision
[INFO] tweaked toml for git repo https://github.com/Jasperav/proc_macro_collision written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Jasperav/proc_macro_collision already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f91219fe01a55e74ce5fd3916a8df4da7139d5747abbb463c63a842ff558df5
[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" "5f91219fe01a55e74ce5fd3916a8df4da7139d5747abbb463c63a842ff558df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f91219fe01a55e74ce5fd3916a8df4da7139d5747abbb463c63a842ff558df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f91219fe01a55e74ce5fd3916a8df4da7139d5747abbb463c63a842ff558df5", kill_on_drop: false }`
[INFO] [stdout] 5f91219fe01a55e74ce5fd3916a8df4da7139d5747abbb463c63a842ff558df5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 707b040717a5cfd2476e64de961b21ae30a26ef852864e5c9931960521ab0781
[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" "707b040717a5cfd2476e64de961b21ae30a26ef852864e5c9931960521ab0781", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.13
[INFO] [stderr]    Compiling syn v1.0.22
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling parser v0.1.0 (/opt/rustwide/workdir/parser)
[INFO] [stdout] warning: unused import: `syn::punctuated::Punctuated`
[INFO] [stdout]  --> parser/src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use syn::punctuated::Punctuated;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `syn::parse_quote::ParseQuote`
[INFO] [stdout]  --> parser/src/lib.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use syn::parse_quote::ParseQuote;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc_two v0.1.0 (/opt/rustwide/workdir/proc_two)
[INFO] [stderr]    Compiling proc_one v0.1.0 (/opt/rustwide/workdir/proc_one)
[INFO] [stderr]    Compiling proc_macro_collision v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0659]: `proc_macro_call` is ambiguous (macro-expanded name vs less macro-expanded name from outer scope during import/macro resolution)
[INFO] [stdout]   --> src/main.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | #[proc_macro_hack]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^ ambiguous name
[INFO] [stdout] ...
[INFO] [stdout] 11 |     let hi: &'static str = one!("hi");
[INFO] [stdout]    |                            ---------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: `proc_macro_call` could refer to the macro defined here
[INFO] [stdout]   --> src/main.rs:8:15
[INFO] [stdout]    |
[INFO] [stdout] 8  | use proc_two::two;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     let hi: &'static str = one!("hi");
[INFO] [stdout]    |                            ---------- in this macro invocation
[INFO] [stdout] note: `proc_macro_call` could also refer to the macro defined here
[INFO] [stdout]   --> src/main.rs:6:15
[INFO] [stdout]    |
[INFO] [stdout] 6  | use proc_one::one;
[INFO] [stdout]    |               ^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 |     let hi: &'static str = one!("hi");
[INFO] [stdout]    |                            ---------- in this macro invocation
[INFO] [stdout]    = note: this error originates in the macro `two` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc_macro_collision`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "707b040717a5cfd2476e64de961b21ae30a26ef852864e5c9931960521ab0781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707b040717a5cfd2476e64de961b21ae30a26ef852864e5c9931960521ab0781", kill_on_drop: false }`
[INFO] [stdout] 707b040717a5cfd2476e64de961b21ae30a26ef852864e5c9931960521ab0781
