[INFO] cloning repository https://github.com/wa7sa34cx/rust-reference
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wa7sa34cx/rust-reference" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-reference", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-reference'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8b8381a7979ee38d68e7873c8eb2ac672b6f28f
[INFO] checking wa7sa34cx/rust-reference against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwa7sa34cx%2Frust-reference" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wa7sa34cx/rust-reference on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wa7sa34cx/rust-reference
[INFO] finished tweaking git repo https://github.com/wa7sa34cx/rust-reference
[INFO] tweaked toml for git repo https://github.com/wa7sa34cx/rust-reference written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/wa7sa34cx/rust-reference already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fe9ba4a79cedd69088cfdb2f651bbd34a65effd5bd7cb5d3e9df8e2dbd7f1767
[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" "fe9ba4a79cedd69088cfdb2f651bbd34a65effd5bd7cb5d3e9df8e2dbd7f1767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe9ba4a79cedd69088cfdb2f651bbd34a65effd5bd7cb5d3e9df8e2dbd7f1767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe9ba4a79cedd69088cfdb2f651bbd34a65effd5bd7cb5d3e9df8e2dbd7f1767", kill_on_drop: false }`
[INFO] [stdout] fe9ba4a79cedd69088cfdb2f651bbd34a65effd5bd7cb5d3e9df8e2dbd7f1767
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 7418cf70975fb293c3f57449e1c0de45b1c185c845788d1f0c0881ceaee98d7b
[INFO] running `Command { std: "docker" "start" "-a" "7418cf70975fb293c3f57449e1c0de45b1c185c845788d1f0c0881ceaee98d7b", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-reference v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> src/main.rs:6:32
[INFO] [stdout]    |
[INFO] [stdout] 6  |     ($t:tt, $v:tt) => { $t + $v; };
[INFO] [stdout]    |                                ^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     let x = plus!(5.0, 7.2);
[INFO] [stdout]    |             --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `plus` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Trailing semicolon in macro
[INFO] [stdout]   --> src/main.rs:6:32
[INFO] [stdout]    |
[INFO] [stdout] 6  |     ($t:tt, $v:tt) => { $t + $v; };
[INFO] [stdout]    |                                ^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     let x = plus!(5.0, 7.2);
[INFO] [stdout]    |             --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `plus` (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] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-reference`
[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] error: build failed
[INFO] running `Command { std: "docker" "inspect" "7418cf70975fb293c3f57449e1c0de45b1c185c845788d1f0c0881ceaee98d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7418cf70975fb293c3f57449e1c0de45b1c185c845788d1f0c0881ceaee98d7b", kill_on_drop: false }`
[INFO] [stdout] 7418cf70975fb293c3f57449e1c0de45b1c185c845788d1f0c0881ceaee98d7b