[INFO] fetching crate lv2-state 2.0.0...
[INFO] checking lv2-state-2.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate lv2-state 2.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate lv2-state 2.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2-state 2.0.0
[INFO] finished tweaking crates.io crate lv2-state 2.0.0
[INFO] tweaked toml for crates.io crate lv2-state 2.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 19 packages
[INFO] [stderr]       Adding mktemp v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding uuid v0.8.2 (latest: v1.8.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lv2-urid v2.1.0
[INFO] [stderr]   Downloaded lv2-units v0.1.3
[INFO] [stderr]   Downloaded lv2-atom v2.0.0
[INFO] [stderr]   Downloaded mktemp v0.4.1
[INFO] [stderr]   Downloaded urid v0.1.0
[INFO] [stderr]   Downloaded lv2-sys v2.0.0
[INFO] [stderr]   Downloaded urid-derive v0.1.1
[INFO] [stderr]   Downloaded lv2-core-derive v2.1.1
[INFO] [stderr]   Downloaded lv2-core v3.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4b000d9b88e0d59299f2519a79a7fa9e492a343b55bba263a3e98604440d684
[INFO] running `Command { std: "docker" "start" "-a" "d4b000d9b88e0d59299f2519a79a7fa9e492a343b55bba263a3e98604440d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4b000d9b88e0d59299f2519a79a7fa9e492a343b55bba263a3e98604440d684", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4b000d9b88e0d59299f2519a79a7fa9e492a343b55bba263a3e98604440d684", kill_on_drop: false }`
[INFO] [stdout] d4b000d9b88e0d59299f2519a79a7fa9e492a343b55bba263a3e98604440d684
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885366fb8fa5b0488f00368ab768bf1c79ec8f1bf031cd90ad604a0352ce4db0
[INFO] running `Command { std: "docker" "start" "-a" "885366fb8fa5b0488f00368ab768bf1c79ec8f1bf031cd90ad604a0352ce4db0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lv2-sys v2.0.0
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mktemp v0.4.1
[INFO] [stderr]    Compiling urid-derive v0.1.1
[INFO] [stderr]    Compiling lv2-core-derive v2.1.1
[INFO] [stderr]     Checking urid v0.1.0
[INFO] [stderr]     Checking lv2-units v0.1.3
[INFO] [stderr]     Checking lv2-core v3.0.0
[INFO] [stderr]     Checking lv2-atom v2.0.0
[INFO] [stderr]     Checking lv2-urid v2.1.0
[INFO] [stderr]     Checking lv2-state v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ExtensionDescriptor` is imported redundantly
[INFO] [stdout]  --> src/interface.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::extension::ExtensionDescriptor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use core::prelude::*;
[INFO] [stdout]   |     ---------------- the item `ExtensionDescriptor` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ExtensionDescriptor` is imported redundantly
[INFO] [stdout]  --> src/interface.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::extension::ExtensionDescriptor;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use core::prelude::*;
[INFO] [stdout]   |     ---------------- the item `ExtensionDescriptor` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Space` is imported redundantly
[INFO] [stdout]    --> src/raw.rs:238:9
[INFO] [stdout]     |
[INFO] [stdout] 236 |     use crate::raw::*;
[INFO] [stdout]     |         ------------- the item `Space` is already imported here
[INFO] [stdout] 237 |     use crate::storage::Storage;
[INFO] [stdout] 238 |     use atom::space::Space;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::ffi::CString::from_raw` that must be used
[INFO] [stdout]    --> src/path.rs:485:9
[INFO] [stdout]     |
[INFO] [stdout] 485 |         CString::from_raw(path);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 485 |         let _ = CString::from_raw(path);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FeatureCollection` is imported redundantly
[INFO] [stdout]  --> tests/integration.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lv2_core::feature::{FeatureCollection, MissingFeatureError};
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use lv2_core::prelude::*;
[INFO] [stdout]   |     -------------------- the item `FeatureCollection` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `MissingFeatureError` is imported redundantly
[INFO] [stdout]  --> tests/integration.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lv2_core::feature::{FeatureCollection, MissingFeatureError};
[INFO] [stdout]   |                                            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 | use lv2_core::prelude::*;
[INFO] [stdout]   |     -------------------- the item `MissingFeatureError` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "885366fb8fa5b0488f00368ab768bf1c79ec8f1bf031cd90ad604a0352ce4db0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885366fb8fa5b0488f00368ab768bf1c79ec8f1bf031cd90ad604a0352ce4db0", kill_on_drop: false }`
[INFO] [stdout] 885366fb8fa5b0488f00368ab768bf1c79ec8f1bf031cd90ad604a0352ce4db0