[INFO] fetching crate futuresdr 0.0.1-experimental...
[INFO] checking futuresdr-0.0.1-experimental against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate futuresdr 0.0.1-experimental into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate futuresdr 0.0.1-experimental on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futuresdr 0.0.1-experimental
[INFO] finished tweaking crates.io crate futuresdr 0.0.1-experimental
[INFO] tweaked toml for crates.io crate futuresdr 0.0.1-experimental written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate futuresdr 0.0.1-experimental already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded config v0.11.0
[INFO] [stderr]   Downloaded serde_json v1.0.65
[INFO] [stderr]   Downloaded flexbuffers v2.0.0
[INFO] [stderr]   Downloaded vec-arena v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 050837d311a4514658d9755cf3470a9246f5eeb8c7ce3fb0bcb592a4a90b0846
[INFO] running `Command { std: "docker" "start" "-a" "050837d311a4514658d9755cf3470a9246f5eeb8c7ce3fb0bcb592a4a90b0846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "050837d311a4514658d9755cf3470a9246f5eeb8c7ce3fb0bcb592a4a90b0846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "050837d311a4514658d9755cf3470a9246f5eeb8c7ce3fb0bcb592a4a90b0846", kill_on_drop: false }`
[INFO] [stdout] 050837d311a4514658d9755cf3470a9246f5eeb8c7ce3fb0bcb592a4a90b0846
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 503d29116b13e5e3de1633b280b5ea9dd2ddecbbf05663e947838fdee6f64330
[INFO] running `Command { std: "docker" "start" "-a" "503d29116b13e5e3de1633b280b5ea9dd2ddecbbf05663e947838fdee6f64330", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling serde_json v1.0.65
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking vec-arena v1.2.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]     Checking futuresdr v0.0.1-experimental (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use vec_arena::Arena;
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     blocks: Arena<Box<dyn BlockT>>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:42
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::new`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::insert`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |     a.insert(vector_source_int);
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::insert`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |     a.insert(vector_source_float);
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling num_enum_derive v0.5.2
[INFO] [stderr]     Checking num_enum v0.5.2
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]  --> src/main.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 | use vec_arena::Arena;
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:41:13
[INFO] [stdout]    |
[INFO] [stdout] 41 |     blocks: Arena<Box<dyn BlockT>>,
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:42
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated struct `vec_arena::Arena`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:17
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                 ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::new`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:84:49
[INFO] [stdout]    |
[INFO] [stdout] 84 |     let mut a : Arena<Box<dyn BlockT>> = Arena::new();
[INFO] [stdout]    |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::insert`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:85:7
[INFO] [stdout]    |
[INFO] [stdout] 85 |     a.insert(vector_source_int);
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `vec_arena::Arena::<T>::insert`: This crate is now deprecated in favor of [slab](https://crates.io/crates/slab).
[INFO] [stdout]   --> src/main.rs:86:7
[INFO] [stdout]    |
[INFO] [stdout] 86 |     a.insert(vector_source_float);
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.68s
[INFO] running `Command { std: "docker" "inspect" "503d29116b13e5e3de1633b280b5ea9dd2ddecbbf05663e947838fdee6f64330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "503d29116b13e5e3de1633b280b5ea9dd2ddecbbf05663e947838fdee6f64330", kill_on_drop: false }`
[INFO] [stdout] 503d29116b13e5e3de1633b280b5ea9dd2ddecbbf05663e947838fdee6f64330