[INFO] cloning repository https://github.com/rubdos/macro-hierarchy-mwe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rubdos/macro-hierarchy-mwe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubdos%2Fmacro-hierarchy-mwe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubdos%2Fmacro-hierarchy-mwe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72b60eca68c97e6e1f8bb2347e04c4f72a14871e
[INFO] checking rubdos/macro-hierarchy-mwe against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubdos%2Fmacro-hierarchy-mwe" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubdos/macro-hierarchy-mwe on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rubdos/macro-hierarchy-mwe
[INFO] finished tweaking git repo https://github.com/rubdos/macro-hierarchy-mwe
[INFO] tweaked toml for git repo https://github.com/rubdos/macro-hierarchy-mwe written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rubdos/macro-hierarchy-mwe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] 26a386b28d1a1b6991c3aa16d642b07a5b33ed067580a724410633c7966f3a9d
[INFO] running `Command { std: "docker" "start" "-a" "26a386b28d1a1b6991c3aa16d642b07a5b33ed067580a724410633c7966f3a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26a386b28d1a1b6991c3aa16d642b07a5b33ed067580a724410633c7966f3a9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a386b28d1a1b6991c3aa16d642b07a5b33ed067580a724410633c7966f3a9d", kill_on_drop: false }`
[INFO] [stdout] 26a386b28d1a1b6991c3aa16d642b07a5b33ed067580a724410633c7966f3a9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08070ffd4cdb1f6e79002b65b3b7797a03f5ba5dceef6a199a6ec913205eca38
[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" "08070ffd4cdb1f6e79002b65b3b7797a03f5ba5dceef6a199a6ec913205eca38", kill_on_drop: false }`
[INFO] [stderr]     Checking macro-hierarchy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | /     macro_rules! bar {
[INFO] [stdout] 3 | |         ($i:ident) => {struct Bar;};
[INFO] [stdout] 4 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | /     macro_rules! bar {
[INFO] [stdout] 3 | |         ($i:ident) => {struct Bar;};
[INFO] [stdout] 4 | |     }
[INFO] [stdout]   | |_____^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `bar` in this scope
[INFO] [stdout]  --> tests/foo.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | foo!( m );
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in a macro (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] [stderr] error: could not compile `macro-hierarchy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "08070ffd4cdb1f6e79002b65b3b7797a03f5ba5dceef6a199a6ec913205eca38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08070ffd4cdb1f6e79002b65b3b7797a03f5ba5dceef6a199a6ec913205eca38", kill_on_drop: false }`
[INFO] [stdout] 08070ffd4cdb1f6e79002b65b3b7797a03f5ba5dceef6a199a6ec913205eca38