[INFO] cloning repository https://github.com/JCBurnside/macro_use_example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JCBurnside/macro_use_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCBurnside%2Fmacro_use_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCBurnside%2Fmacro_use_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e98407276a1a4e669a85db4abd5d6361983eb9
[INFO] checking JCBurnside/macro_use_example against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJCBurnside%2Fmacro_use_example" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JCBurnside/macro_use_example on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JCBurnside/macro_use_example
[INFO] finished tweaking git repo https://github.com/JCBurnside/macro_use_example
[INFO] tweaked toml for git repo https://github.com/JCBurnside/macro_use_example written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JCBurnside/macro_use_example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21fe5bd68e67e1f7b9126379dd50a6c7d1c8853ccdf82f4f673f27aeece68fcd
[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" "21fe5bd68e67e1f7b9126379dd50a6c7d1c8853ccdf82f4f673f27aeece68fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21fe5bd68e67e1f7b9126379dd50a6c7d1c8853ccdf82f4f673f27aeece68fcd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fe5bd68e67e1f7b9126379dd50a6c7d1c8853ccdf82f4f673f27aeece68fcd", kill_on_drop: false }`
[INFO] [stdout] 21fe5bd68e67e1f7b9126379dd50a6c7d1c8853ccdf82f4f673f27aeece68fcd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 760b7667ef91ba8633e2bef1ed657e18ea9d46449bf22def47e26d63ee5e2521
[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" "760b7667ef91ba8633e2bef1ed657e18ea9d46449bf22def47e26d63ee5e2521", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking macro_support v0.0.1 (/opt/rustwide/workdir/macro_support)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.71
[INFO] [stderr]     Checking macro_export v0.0.1 (/opt/rustwide/workdir/macro_export)
[INFO] [stderr]     Checking macro_sample v0.1.0 (/opt/rustwide/workdir/macro_sample)
[INFO] [stdout] error: expected identifier, found `"test_t"`
[INFO] [stdout]  --> macro_sample/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[format]
[INFO] [stdout]   | ^^^^^^^^^ expected identifier
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected identifier, found `"test_t"`
[INFO] [stdout]  --> macro_sample/src/main.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[format]
[INFO] [stdout]   | ^^^^^^^^^ expected identifier
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the attribute macro `format` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macro_support::CustomTrait`
[INFO] [stdout]  --> macro_sample/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use macro_support::CustomTrait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `macro_support::CustomTrait`
[INFO] [stdout]  --> macro_sample/src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use macro_support::CustomTrait;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macro_sample`
[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" "760b7667ef91ba8633e2bef1ed657e18ea9d46449bf22def47e26d63ee5e2521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760b7667ef91ba8633e2bef1ed657e18ea9d46449bf22def47e26d63ee5e2521", kill_on_drop: false }`
[INFO] [stdout] 760b7667ef91ba8633e2bef1ed657e18ea9d46449bf22def47e26d63ee5e2521