[INFO] crate insert_multiple 0.2.0 is already in cache
[INFO] extracting crate insert_multiple 0.2.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/insert_multiple/0.2.0
[INFO] extracting crate insert_multiple 0.2.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/insert_multiple/0.2.0
[INFO] validating manifest of insert_multiple-0.2.0 on toolchain master#c43d03a19f326f4a323569328cc501e86eb6d22e
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of insert_multiple-0.2.0 on toolchain try#75eff020d0923c035c2fe220db4a0465cd847048
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing insert_multiple-0.2.0
[INFO] finished frobbing insert_multiple-0.2.0
[INFO] frobbed toml for insert_multiple-0.2.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/insert_multiple/0.2.0/Cargo.toml
[INFO] started frobbing insert_multiple-0.2.0
[INFO] finished frobbing insert_multiple-0.2.0
[INFO] frobbed toml for insert_multiple-0.2.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/insert_multiple/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking insert_multiple-0.2.0 against try#75eff020d0923c035c2fe220db4a0465cd847048 for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-6/try#75eff020d0923c035c2fe220db4a0465cd847048:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/insert_multiple/0.2.0:/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" "+75eff020d0923c035c2fe220db4a0465cd847048-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7c2c03f4e9560c87fa8b5816678774582f9432d9ec5da563709da241de7ffa73
[INFO] running `"docker" "start" "-a" "7c2c03f4e9560c87fa8b5816678774582f9432d9ec5da563709da241de7ffa73"`
[INFO] [stderr]     Checking insert_multiple v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/inserter.rs:9:43
[INFO] [stderr]   |
[INFO] [stderr] 9 | type Insertions<'i> = BTreeMap<usize, Box<'i + Read>>;
[INFO] [stderr]   |                                           ^^^^^^^^^ help: use `dyn`: `dyn 'i + Read`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[INFO] [stderr]    |                           ----^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/inserter.rs:42:27
[INFO] [stderr]    |
[INFO] [stderr] 42 |         for (&insert_idx, mut to_insert) in self.insertions.iter_mut() {
[INFO] [stderr]    |                           ----^^^^^^^^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "7c2c03f4e9560c87fa8b5816678774582f9432d9ec5da563709da241de7ffa73"`
[INFO] running `"docker" "rm" "-f" "7c2c03f4e9560c87fa8b5816678774582f9432d9ec5da563709da241de7ffa73"`
[INFO] [stdout] 7c2c03f4e9560c87fa8b5816678774582f9432d9ec5da563709da241de7ffa73