[INFO] cloning repository https://github.com/maackle/nested-proc-macro-mcve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maackle/nested-proc-macro-mcve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaackle%2Fnested-proc-macro-mcve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaackle%2Fnested-proc-macro-mcve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 42003f01fec259cffbceba1eba388ba26a8ef156
[INFO] checking maackle/nested-proc-macro-mcve against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaackle%2Fnested-proc-macro-mcve" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maackle/nested-proc-macro-mcve on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maackle/nested-proc-macro-mcve
[INFO] finished tweaking git repo https://github.com/maackle/nested-proc-macro-mcve
[INFO] tweaked toml for git repo https://github.com/maackle/nested-proc-macro-mcve written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/maackle/nested-proc-macro-mcve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "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] 50dfbecab843e2dac62ba81936dc2d79d5ca5105f87b97a0b1cb2fa1be8c3af1
[INFO] running `Command { std: "docker" "start" "-a" "50dfbecab843e2dac62ba81936dc2d79d5ca5105f87b97a0b1cb2fa1be8c3af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50dfbecab843e2dac62ba81936dc2d79d5ca5105f87b97a0b1cb2fa1be8c3af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50dfbecab843e2dac62ba81936dc2d79d5ca5105f87b97a0b1cb2fa1be8c3af1", kill_on_drop: false }`
[INFO] [stdout] 50dfbecab843e2dac62ba81936dc2d79d5ca5105f87b97a0b1cb2fa1be8c3af1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] deed4c2e1381c600e4eac9b3baffcc44fb9ca4f53240d45f791f5a3e31e34ff7
[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" "deed4c2e1381c600e4eac9b3baffcc44fb9ca4f53240d45f791f5a3e31e34ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking macros v0.1.0 (/opt/rustwide/workdir/macros)
[INFO] [stderr]     Checking app v0.1.0 (/opt/rustwide/workdir/app)
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `app` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:18:15
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:31:15
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: cannot add a float to an integer
[INFO] [stdout]   --> app/src/main.rs:37:15
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let _ = 1 + 1.0;
[INFO] [stdout]    |               ^ no implementation for `{integer} + {float}`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Add<{float}>` is not implemented for `{integer}`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "deed4c2e1381c600e4eac9b3baffcc44fb9ca4f53240d45f791f5a3e31e34ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "deed4c2e1381c600e4eac9b3baffcc44fb9ca4f53240d45f791f5a3e31e34ff7", kill_on_drop: false }`
[INFO] [stdout] deed4c2e1381c600e4eac9b3baffcc44fb9ca4f53240d45f791f5a3e31e34ff7