[INFO] fetching crate lv2rs-core 0.3.3...
[INFO] checking lv2rs-core-0.3.3 against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] extracting crate lv2rs-core 0.3.3 into /workspace/builds/worker-92/source
[INFO] validating manifest of crates.io crate lv2rs-core 0.3.3 on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2rs-core 0.3.3
[INFO] finished tweaking crates.io crate lv2rs-core 0.3.3
[INFO] tweaked toml for crates.io crate lv2rs-core 0.3.3 written to /workspace/builds/worker-92/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "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" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e41d52fac43431cd7f4eea2153e4ca3a467cb8f1ab10fb1a79035b69b41601fd
[INFO] running `Command { std: "docker" "start" "-a" "e41d52fac43431cd7f4eea2153e4ca3a467cb8f1ab10fb1a79035b69b41601fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e41d52fac43431cd7f4eea2153e4ca3a467cb8f1ab10fb1a79035b69b41601fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41d52fac43431cd7f4eea2153e4ca3a467cb8f1ab10fb1a79035b69b41601fd", kill_on_drop: false }`
[INFO] [stdout] e41d52fac43431cd7f4eea2153e4ca3a467cb8f1ab10fb1a79035b69b41601fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-92/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23170ff0cee7b36745e364c749495778f2d2258fb74ee2b51e5a4b5ffaeed68b
[INFO] running `Command { std: "docker" "start" "-a" "23170ff0cee7b36745e364c749495778f2d2258fb74ee2b51e5a4b5ffaeed68b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking lv2rs-core v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plugin.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn extension_data(_uri: &CStr) -> Option<&'static ExtensionData> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plugin.rs:394:46
[INFO] [stdout]     |
[INFO] [stdout] 394 |         Some(ext_data) => ext_data as *const ExtensionData as *const c_void,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plugin.rs:269:55
[INFO] [stdout]     |
[INFO] [stdout] 269 |     fn extension_data(_uri: &CStr) -> Option<&'static ExtensionData> {
[INFO] [stdout]     |                                                       ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/plugin.rs:394:46
[INFO] [stdout]     |
[INFO] [stdout] 394 |         Some(ext_data) => ext_data as *const ExtensionData as *const c_void,
[INFO] [stdout]     |                                              ^^^^^^^^^^^^^ help: use `dyn`: `dyn ExtensionData`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "23170ff0cee7b36745e364c749495778f2d2258fb74ee2b51e5a4b5ffaeed68b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23170ff0cee7b36745e364c749495778f2d2258fb74ee2b51e5a4b5ffaeed68b", kill_on_drop: false }`
[INFO] [stdout] 23170ff0cee7b36745e364c749495778f2d2258fb74ee2b51e5a4b5ffaeed68b