[INFO] fetching crate boomerang_derive 0.1.0...
[INFO] checking boomerang_derive-0.1.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate boomerang_derive 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate boomerang_derive 0.1.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate boomerang_derive 0.1.0
[INFO] finished tweaking crates.io crate boomerang_derive 0.1.0
[INFO] tweaked toml for crates.io crate boomerang_derive 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 858452b8fbf9e769be39af58801242f9adcceda2a82ce49ed72d595bd8622f94
[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" "858452b8fbf9e769be39af58801242f9adcceda2a82ce49ed72d595bd8622f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "858452b8fbf9e769be39af58801242f9adcceda2a82ce49ed72d595bd8622f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "858452b8fbf9e769be39af58801242f9adcceda2a82ce49ed72d595bd8622f94", kill_on_drop: false }`
[INFO] [stdout] 858452b8fbf9e769be39af58801242f9adcceda2a82ce49ed72d595bd8622f94
[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" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] ff27fcac9b01104381e1d84e199bf97e782b056214f9184fffc67889a4a388f7
[INFO] running `Command { std: "docker" "start" "-a" "ff27fcac9b01104381e1d84e199bf97e782b056214f9184fffc67889a4a388f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking parse_duration v2.1.1
[INFO] [stderr]     Checking darling_core v0.10.2
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking darling v0.10.2
[INFO] [stderr]     Checking boomerang_derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `idents`
[INFO] [stdout]   --> src/builder/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     idents: HashSet<syn::Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timers`
[INFO] [stdout]   --> src/builder/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     timers: HashMap<syn::Ident, Rc<TimerBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inputs`
[INFO] [stdout]   --> src/builder/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     inputs: HashMap<syn::Ident, Rc<PortBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outputs`
[INFO] [stdout]   --> src/builder/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     outputs: HashMap<syn::Ident, Rc<PortBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     attrs: Vec<syn::Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `idents`
[INFO] [stdout]   --> src/builder/mod.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     idents: HashSet<syn::Ident>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timers`
[INFO] [stdout]   --> src/builder/mod.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     timers: HashMap<syn::Ident, Rc<TimerBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inputs`
[INFO] [stdout]   --> src/builder/mod.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     inputs: HashMap<syn::Ident, Rc<PortBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `outputs`
[INFO] [stdout]   --> src/builder/mod.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     outputs: HashMap<syn::Ident, Rc<PortBuilder>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `attrs`
[INFO] [stdout]   --> src/parse.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     attrs: Vec<syn::Attribute>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.18s
[INFO] running `Command { std: "docker" "inspect" "ff27fcac9b01104381e1d84e199bf97e782b056214f9184fffc67889a4a388f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff27fcac9b01104381e1d84e199bf97e782b056214f9184fffc67889a4a388f7", kill_on_drop: false }`
[INFO] [stdout] ff27fcac9b01104381e1d84e199bf97e782b056214f9184fffc67889a4a388f7