[INFO] cloning repository https://github.com/celaus/rust-macros
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/celaus/rust-macros" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d50ba60aa34698cb1a7e982b5e00200c923ce0
[INFO] checking celaus/rust-macros against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcelaus%2Frust-macros" "/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/celaus/rust-macros on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/celaus/rust-macros
[INFO] finished tweaking git repo https://github.com/celaus/rust-macros
[INFO] tweaked toml for git repo https://github.com/celaus/rust-macros written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/celaus/rust-macros already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", 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] 14d2d9c0226ba8cb41c5c91aada4e29db0be9e25f9a82f5603d2f8191a26b497
[INFO] running `Command { std: "docker" "start" "-a" "14d2d9c0226ba8cb41c5c91aada4e29db0be9e25f9a82f5603d2f8191a26b497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d2d9c0226ba8cb41c5c91aada4e29db0be9e25f9a82f5603d2f8191a26b497", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d2d9c0226ba8cb41c5c91aada4e29db0be9e25f9a82f5603d2f8191a26b497", kill_on_drop: false }`
[INFO] [stdout] 14d2d9c0226ba8cb41c5c91aada4e29db0be9e25f9a82f5603d2f8191a26b497
[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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 062a0c2afb92d9f0dc194df453195130b9fe972d1979d62f3f3e1fc533805953
[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" "062a0c2afb92d9f0dc194df453195130b9fe972d1979d62f3f3e1fc533805953", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-macros v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `calc`
[INFO] [stdout]  --> src/lib.rs:7:14
[INFO] [stdout]   |
[INFO] [stdout] 7 | macro_rules! calc  {
[INFO] [stdout]   |              ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `repeat_n_times`
[INFO] [stdout]   --> src/lib.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 | macro_rules! repeat_n_times {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `handler`
[INFO] [stdout]   --> src/lib.rs:21:14
[INFO] [stdout]    |
[INFO] [stdout] 21 | macro_rules! handler {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::BTreeSet`
[INFO] [stdout]   --> src/lib.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use std::collections::BTreeSet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `set`
[INFO] [stdout]   --> src/lib.rs:29:14
[INFO] [stdout]    |
[INFO] [stdout] 29 | macro_rules! set {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "062a0c2afb92d9f0dc194df453195130b9fe972d1979d62f3f3e1fc533805953", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "062a0c2afb92d9f0dc194df453195130b9fe972d1979d62f3f3e1fc533805953", kill_on_drop: false }`
[INFO] [stdout] 062a0c2afb92d9f0dc194df453195130b9fe972d1979d62f3f3e1fc533805953