[INFO] crate lifeguard 0.6.0 is already in cache
[INFO] extracting crate lifeguard 0.6.0 into work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/lifeguard/0.6.0
[INFO] extracting crate lifeguard 0.6.0 into work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/lifeguard/0.6.0
[INFO] validating manifest of lifeguard-0.6.0 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 lifeguard-0.6.0 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 lifeguard-0.6.0
[INFO] finished frobbing lifeguard-0.6.0
[INFO] frobbed toml for lifeguard-0.6.0 written to work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/lifeguard/0.6.0/Cargo.toml
[INFO] started frobbing lifeguard-0.6.0
[INFO] finished frobbing lifeguard-0.6.0
[INFO] frobbed toml for lifeguard-0.6.0 written to work/ex/pr-63565/sources/try#75eff020d0923c035c2fe220db4a0465cd847048/reg/lifeguard/0.6.0/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 lifeguard-0.6.0 against master#c43d03a19f326f4a323569328cc501e86eb6d22e for pr-63565
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63565/worker-0/master#c43d03a19f326f4a323569328cc501e86eb6d22e:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63565/sources/master#c43d03a19f326f4a323569328cc501e86eb6d22e/reg/lifeguard/0.6.0:/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" "+c43d03a19f326f4a323569328cc501e86eb6d22e-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1996b9ed8d712d8b478f03f95a82bf8771086558aa5cbac3d43a792980d02581
[INFO] running `"docker" "start" "-a" "1996b9ed8d712d8b478f03f95a82bf8771086558aa5cbac3d43a792980d02581"`
[INFO] [stderr]     Checking lifeguard v0.6.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[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/lib.rs:363:32
[INFO] [stderr]     |
[INFO] [stderr] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:564:28
[INFO] [stderr]     |
[INFO] [stderr] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:621:57
[INFO] [stderr]     |
[INFO] [stderr] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:358:17
[INFO] [stderr]     |
[INFO] [stderr] 358 |   supplier: Box<Supply<Output=T>>
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[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/lib.rs:363:32
[INFO] [stderr]     |
[INFO] [stderr] 363 |   pub fn new(mut supplier: Box<Supply<Output=T>>, starting_size: usize, max_size: usize) -> CappedCollection<T> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:564:28
[INFO] [stderr]     |
[INFO] [stderr] 564 |   pub supplier: Option<Box<Supply<Output=T>>>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:621:57
[INFO] [stderr]     |
[INFO] [stderr] 621 |       builder.supplier = Some(Box::new(supplier) as Box<Supply<Output=T>>);
[INFO] [stderr]     |                                                         ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Supply<Output=T>`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 186 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/lib.rs:168:5
[INFO] [stderr]     |
[INFO] [stderr] 168 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_from`
[INFO] [stderr]    --> src/lib.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 187 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stderr]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `"docker" "inspect" "1996b9ed8d712d8b478f03f95a82bf8771086558aa5cbac3d43a792980d02581"`
[INFO] running `"docker" "rm" "-f" "1996b9ed8d712d8b478f03f95a82bf8771086558aa5cbac3d43a792980d02581"`
[INFO] [stdout] 1996b9ed8d712d8b478f03f95a82bf8771086558aa5cbac3d43a792980d02581