[INFO] fetching crate boomerang_derive 0.1.0...
[INFO] checking boomerang_derive-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate boomerang_derive 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate boomerang_derive 0.1.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e46d7af8c84e8461117c02ff481367f0d3a1e2faf6ddc817bbfb37d93778f2
[INFO] running `Command { std: "docker" "start" "-a" "b5e46d7af8c84e8461117c02ff481367f0d3a1e2faf6ddc817bbfb37d93778f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e46d7af8c84e8461117c02ff481367f0d3a1e2faf6ddc817bbfb37d93778f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e46d7af8c84e8461117c02ff481367f0d3a1e2faf6ddc817bbfb37d93778f2", kill_on_drop: false }`
[INFO] [stdout] b5e46d7af8c84e8461117c02ff481367f0d3a1e2faf6ddc817bbfb37d93778f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 546cce40072b19eca4adf0001cf42f763e7d188345e3761739f3fcb79d820410
[INFO] running `Command { std: "docker" "start" "-a" "546cce40072b19eca4adf0001cf42f763e7d188345e3761739f3fcb79d820410", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking ident_case v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[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-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking petgraph v0.5.1
[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: 5 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.32s
[INFO] running `Command { std: "docker" "inspect" "546cce40072b19eca4adf0001cf42f763e7d188345e3761739f3fcb79d820410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "546cce40072b19eca4adf0001cf42f763e7d188345e3761739f3fcb79d820410", kill_on_drop: false }`
[INFO] [stdout] 546cce40072b19eca4adf0001cf42f763e7d188345e3761739f3fcb79d820410