[INFO] cloning repository https://github.com/rubdos/macro-hierarchy-mwe
[INFO] running `"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"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubdos%2Fmacro-hierarchy-mwe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 72b60eca68c97e6e1f8bb2347e04c4f72a14871e
[INFO] testing rubdos/macro-hierarchy-mwe against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frubdos%2Fmacro-hierarchy-mwe" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rubdos/macro-hierarchy-mwe on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] da92de701dab8abe7170a4097a9815883d131178762448ebf8d895e9ca6d1ad5
[INFO] running `"docker" "start" "-a" "da92de701dab8abe7170a4097a9815883d131178762448ebf8d895e9ca6d1ad5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling macro-hierarchy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     macro_rules! bar {
[INFO] [stderr] 3 | |         ($i:ident) => {struct Bar;};
[INFO] [stderr] 4 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "da92de701dab8abe7170a4097a9815883d131178762448ebf8d895e9ca6d1ad5"`
[INFO] running `"docker" "rm" "-f" "da92de701dab8abe7170a4097a9815883d131178762448ebf8d895e9ca6d1ad5"`
[INFO] [stdout] da92de701dab8abe7170a4097a9815883d131178762448ebf8d895e9ca6d1ad5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3c1ff4283bbfe604c1edbc841c9ad2ef8ff81f7b0a9f7fa8ff754df242e61a05
[INFO] running `"docker" "start" "-a" "3c1ff4283bbfe604c1edbc841c9ad2ef8ff81f7b0a9f7fa8ff754df242e61a05"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling macro-hierarchy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     macro_rules! bar {
[INFO] [stderr] 3 | |         ($i:ident) => {struct Bar;};
[INFO] [stderr] 4 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]  --> src/lib.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | /     macro_rules! bar {
[INFO] [stderr] 3 | |         ($i:ident) => {struct Bar;};
[INFO] [stderr] 4 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: cannot find macro `bar` in this scope
[INFO] [stderr]  --> tests/foo.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | foo!( m );
[INFO] [stderr]   | ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `macro-hierarchy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3c1ff4283bbfe604c1edbc841c9ad2ef8ff81f7b0a9f7fa8ff754df242e61a05"`
[INFO] running `"docker" "rm" "-f" "3c1ff4283bbfe604c1edbc841c9ad2ef8ff81f7b0a9f7fa8ff754df242e61a05"`
[INFO] [stdout] 3c1ff4283bbfe604c1edbc841c9ad2ef8ff81f7b0a9f7fa8ff754df242e61a05