[INFO] fetching crate zerogc-derive 0.2.0-alpha.5...
[INFO] testing zerogc-derive-0.2.0-alpha.5 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate zerogc-derive 0.2.0-alpha.5 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate zerogc-derive 0.2.0-alpha.5 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-derive 0.2.0-alpha.5
[INFO] finished tweaking crates.io crate zerogc-derive 0.2.0-alpha.5
[INFO] tweaked toml for crates.io crate zerogc-derive 0.2.0-alpha.5 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6752ed9282746a2699d5c3c7a735dccd5daa821167cf251837f1f6294b9589d6
[INFO] running `Command { std: "docker" "start" "-a" "6752ed9282746a2699d5c3c7a735dccd5daa821167cf251837f1f6294b9589d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6752ed9282746a2699d5c3c7a735dccd5daa821167cf251837f1f6294b9589d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6752ed9282746a2699d5c3c7a735dccd5daa821167cf251837f1f6294b9589d6", kill_on_drop: false }`
[INFO] [stdout] 6752ed9282746a2699d5c3c7a735dccd5daa821167cf251837f1f6294b9589d6
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03ce6834bce4d418fe0c30a2948c8d7c0b2a70eda740f082728c86ae2a5389dd
[INFO] running `Command { std: "docker" "start" "-a" "03ce6834bce4d418fe0c30a2948c8d7c0b2a70eda740f082728c86ae2a5389dd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling proc-macro-kwargs-derive v0.1.5
[INFO] [stderr]    Compiling proc-macro-kwargs v0.1.5
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/macros.rs:428:5
[INFO] [stdout]     |
[INFO] [stdout] 428 |     brace: ::syn::token::Brace
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `Command { std: "docker" "inspect" "03ce6834bce4d418fe0c30a2948c8d7c0b2a70eda740f082728c86ae2a5389dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03ce6834bce4d418fe0c30a2948c8d7c0b2a70eda740f082728c86ae2a5389dd", kill_on_drop: false }`
[INFO] [stdout] 03ce6834bce4d418fe0c30a2948c8d7c0b2a70eda740f082728c86ae2a5389dd
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2115d04915dbdaaab25b1a3b4f4e803a3f8e2fc93507a3014c2c71c5187ebad
[INFO] running `Command { std: "docker" "start" "-a" "f2115d04915dbdaaab25b1a3b4f4e803a3f8e2fc93507a3014c2c71c5187ebad", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.5
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/macros.rs:428:5
[INFO] [stdout]     |
[INFO] [stdout] 428 |     brace: ::syn::token::Brace
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zerogc v0.2.0-alpha.5
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `brace`
[INFO] [stdout]    --> src/macros.rs:428:5
[INFO] [stdout]     |
[INFO] [stdout] 428 |     brace: ::syn::token::Brace
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.35s
[INFO] running `Command { std: "docker" "inspect" "f2115d04915dbdaaab25b1a3b4f4e803a3f8e2fc93507a3014c2c71c5187ebad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2115d04915dbdaaab25b1a3b4f4e803a3f8e2fc93507a3014c2c71c5187ebad", kill_on_drop: false }`
[INFO] [stdout] f2115d04915dbdaaab25b1a3b4f4e803a3f8e2fc93507a3014c2c71c5187ebad
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f0f1f6ebf9283d7882ebaa53ea5ce37353a8af619de9d4474f7e3de86fcccc16
[INFO] running `Command { std: "docker" "start" "-a" "f0f1f6ebf9283d7882ebaa53ea5ce37353a8af619de9d4474f7e3de86fcccc16", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `brace`
[INFO] [stderr]    --> src/macros.rs:428:5
[INFO] [stderr]     |
[INFO] [stderr] 428 |     brace: ::syn::token::Brace
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zerogc-derive` (lib) generated 1 warning
[INFO] [stderr] warning: `zerogc-derive` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/zerogc_derive-7fdc8187d2a36e5a)
[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] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-69472d50bc71a990)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test basic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zerogc-derive
[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" "f0f1f6ebf9283d7882ebaa53ea5ce37353a8af619de9d4474f7e3de86fcccc16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f1f6ebf9283d7882ebaa53ea5ce37353a8af619de9d4474f7e3de86fcccc16", kill_on_drop: false }`
[INFO] [stdout] f0f1f6ebf9283d7882ebaa53ea5ce37353a8af619de9d4474f7e3de86fcccc16