[INFO] crate hey_listen 0.4.0 is already in cache [INFO] extracting crate hey_listen 0.4.0 into work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hey_listen/0.4.0 [INFO] extracting crate hey_listen 0.4.0 into work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hey_listen/0.4.0 [INFO] validating manifest of hey_listen-0.4.0 on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of hey_listen-0.4.0 on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing hey_listen-0.4.0 [INFO] finished frobbing hey_listen-0.4.0 [INFO] frobbed toml for hey_listen-0.4.0 written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/reg/hey_listen/0.4.0/Cargo.toml [INFO] started frobbing hey_listen-0.4.0 [INFO] finished frobbing hey_listen-0.4.0 [INFO] frobbed toml for hey_listen-0.4.0 written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hey_listen/0.4.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking hey_listen-0.4.0 against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-5/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/reg/hey_listen/0.4.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] a51de77acf08835296beb64b61c2d10f92423f01a3ca40d1c75f5cfb51618ad6 [INFO] running `"docker" "start" "-a" "a51de77acf08835296beb64b61c2d10f92423f01a3ca40d1c75f5cfb51618ad6"` [INFO] [stderr] Checking cargo_metadata v0.6.4 [INFO] [stderr] Compiling hey_listen v0.4.0 (/opt/crater/workdir) [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking skeptic v0.13.4 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] warning: unused boxed `std::ops::Fn` trait object that must be used [INFO] [stderr] --> src/sync/parallel_dispatcher.rs:259:17 [INFO] [stderr] | [INFO] [stderr] 259 | listener_collection.fns.swap_remove(*index); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: closures are lazy and do nothing unless called [INFO] [stderr] [INFO] [stderr] warning: unused boxed `std::ops::Fn` trait object that must be used [INFO] [stderr] --> src/sync/parallel_dispatcher.rs:259:17 [INFO] [stderr] | [INFO] [stderr] 259 | listener_collection.fns.swap_remove(*index); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: closures are lazy and do nothing unless called [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 15.44s [INFO] running `"docker" "inspect" "a51de77acf08835296beb64b61c2d10f92423f01a3ca40d1c75f5cfb51618ad6"` [INFO] running `"docker" "rm" "-f" "a51de77acf08835296beb64b61c2d10f92423f01a3ca40d1c75f5cfb51618ad6"` [INFO] [stdout] a51de77acf08835296beb64b61c2d10f92423f01a3ca40d1c75f5cfb51618ad6