[INFO] cloning repository https://github.com/LucioFranco/rustc-duplicate-macro-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucioFranco/rustc-duplicate-macro-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Frustc-duplicate-macro-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Frustc-duplicate-macro-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6040dae2c526cfc01b8c8d7ba9c66051dd4d6c
[INFO] testing LucioFranco/rustc-duplicate-macro-bug against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucioFranco%2Frustc-duplicate-macro-bug" "/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/LucioFranco/rustc-duplicate-macro-bug on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LucioFranco/rustc-duplicate-macro-bug
[INFO] finished tweaking git repo https://github.com/LucioFranco/rustc-duplicate-macro-bug
[INFO] tweaked toml for git repo https://github.com/LucioFranco/rustc-duplicate-macro-bug written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/LucioFranco/rustc-duplicate-macro-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-test v0.3.0
[INFO] [stderr]   Downloaded tower-service v0.2.0
[INFO] [stderr]   Downloaded tokio-test v0.2.0
[INFO] [stderr]   Downloaded tower-test v0.1.0
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3df0b88dbeb98090123b6a1cbf0f7c8b90e6b390de64811961fa7b1eeec0bfc
[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" "c3df0b88dbeb98090123b6a1cbf0f7c8b90e6b390de64811961fa7b1eeec0bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3df0b88dbeb98090123b6a1cbf0f7c8b90e6b390de64811961fa7b1eeec0bfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3df0b88dbeb98090123b6a1cbf0f7c8b90e6b390de64811961fa7b1eeec0bfc", kill_on_drop: false }`
[INFO] [stdout] c3df0b88dbeb98090123b6a1cbf0f7c8b90e6b390de64811961fa7b1eeec0bfc
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3865ecc400aa351801e95cba78b2068f221b381e1c5c9822885269ef96bf86c2
[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" "3865ecc400aa351801e95cba78b2068f221b381e1c5c9822885269ef96bf86c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling tower-layer v0.3.0
[INFO] [stderr]    Compiling tokio v0.2.18
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tower-service v0.2.0
[INFO] [stderr]    Compiling tower-test v0.1.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling tokio-test v0.2.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling pin-project v0.4.9
[INFO] [stderr]    Compiling tower-test v0.3.0
[INFO] [stderr]    Compiling tower-test-macro-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `svc`
[INFO] [stdout]  --> src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (svc, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]   --> src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (service, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.93s
[INFO] running `Command { std: "docker" "inspect" "3865ecc400aa351801e95cba78b2068f221b381e1c5c9822885269ef96bf86c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3865ecc400aa351801e95cba78b2068f221b381e1c5c9822885269ef96bf86c2", kill_on_drop: false }`
[INFO] [stdout] 3865ecc400aa351801e95cba78b2068f221b381e1c5c9822885269ef96bf86c2
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 317866002efbcda80bd2a93620f49f65a0250dff0ee4ab5600a903f1e8fd766a
[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" "317866002efbcda80bd2a93620f49f65a0250dff0ee4ab5600a903f1e8fd766a", kill_on_drop: false }`
[INFO] [stderr]    Compiling tower-test-macro-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `svc`
[INFO] [stdout]  --> src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (svc, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]   --> src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (service, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `svc`
[INFO] [stdout]  --> src/lib.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let (svc, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `service`
[INFO] [stdout]   --> src/lib.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let (service, mut handle) = mock::pair::<(), ()>();
[INFO] [stdout]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "317866002efbcda80bd2a93620f49f65a0250dff0ee4ab5600a903f1e8fd766a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317866002efbcda80bd2a93620f49f65a0250dff0ee4ab5600a903f1e8fd766a", kill_on_drop: false }`
[INFO] [stdout] 317866002efbcda80bd2a93620f49f65a0250dff0ee4ab5600a903f1e8fd766a
[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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4286d778c0340d71a95247cc42e6e81c52eda8574de67e17873344bbb62b267b
[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" "4286d778c0340d71a95247cc42e6e81c52eda8574de67e17873344bbb62b267b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `svc`
[INFO] [stderr]  --> src/lib.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let (svc, mut handle) = mock::pair::<(), ()>();
[INFO] [stderr]   |          ^^^ help: if this is intentional, prefix it with an underscore: `_svc`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `service`
[INFO] [stderr]   --> src/lib.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 |     let (service, mut handle) = mock::pair::<(), ()>();
[INFO] [stderr]    |          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_service`
[INFO] [stderr] 
[INFO] [stderr] warning: `tower-test-macro-repro` (lib) generated 2 warnings
[INFO] [stderr] warning: `tower-test-macro-repro` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tower_test_macro_repro-6704ff3e1e2cc66b)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tower-test-macro-repro
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4286d778c0340d71a95247cc42e6e81c52eda8574de67e17873344bbb62b267b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4286d778c0340d71a95247cc42e6e81c52eda8574de67e17873344bbb62b267b", kill_on_drop: false }`
[INFO] [stdout] 4286d778c0340d71a95247cc42e6e81c52eda8574de67e17873344bbb62b267b