[INFO] crate lifeguard 0.6.0 is already in cache
[INFO] testing lifeguard-0.6.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate lifeguard 0.6.0 into work/builds/worker-7/source
[INFO] validating manifest of crates.io crate lifeguard 0.6.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lifeguard 0.6.0
[INFO] finished tweaking crates.io crate lifeguard 0.6.0
[INFO] tweaked toml for crates.io crate lifeguard 0.6.0 written to work/builds/worker-7/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 41a9e256e1153039d58f993f76d80b363d6c05589c89d724a1dcbd87934a83e3
[INFO] running `"docker" "start" "-a" "41a9e256e1153039d58f993f76d80b363d6c05589c89d724a1dcbd87934a83e3"`
[INFO] [stderr]    Compiling lifeguard v0.6.0 (/opt/rustwide/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: 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 0.27s
[INFO] running `"docker" "inspect" "41a9e256e1153039d58f993f76d80b363d6c05589c89d724a1dcbd87934a83e3"`
[INFO] running `"docker" "rm" "-f" "41a9e256e1153039d58f993f76d80b363d6c05589c89d724a1dcbd87934a83e3"`
[INFO] [stdout] 41a9e256e1153039d58f993f76d80b363d6c05589c89d724a1dcbd87934a83e3
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6690ad8174866df68dc2d43e07824c6b344f84866a5b5534f0f2543d5d525924
[INFO] running `"docker" "start" "-a" "6690ad8174866df68dc2d43e07824c6b344f84866a5b5534f0f2543d5d525924"`
[INFO] [stderr]    Compiling lifeguard v0.6.0 (/opt/rustwide/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: 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 0.70s
[INFO] running `"docker" "inspect" "6690ad8174866df68dc2d43e07824c6b344f84866a5b5534f0f2543d5d525924"`
[INFO] running `"docker" "rm" "-f" "6690ad8174866df68dc2d43e07824c6b344f84866a5b5534f0f2543d5d525924"`
[INFO] [stdout] 6690ad8174866df68dc2d43e07824c6b344f84866a5b5534f0f2543d5d525924
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 56695a623ff274f137e31e76e1b294f4b715ccc6591162e58230669dbf19d629
[INFO] running `"docker" "start" "-a" "56695a623ff274f137e31e76e1b294f4b715ccc6591162e58230669dbf19d629"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lifeguard-151fa18853f5ff3d
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/lib-598529d664091d23
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_as_mut ... ok
[INFO] [stdout] test tests::test_as_mut_rc ... ok
[INFO] [stdout] test tests::test_as_ref ... ok
[INFO] [stdout] test tests::test_as_ref_rc ... ok
[INFO] [stdout] test tests::test_attach ... ok
[INFO] [stdout] test tests::test_attach_rc ... ok
[INFO] [stdout] test tests::test_clone ... ok
[INFO] [stdout] test tests::test_deref_mut_rc ... ok
[INFO] [stdout] test tests::test_deref_mut ... ok
[INFO] [stdout] test tests::test_deref ... ok
[INFO] [stdout] test tests::test_deref_rc ... ok
[INFO] [stdout] test tests::test_new_from_iter ... ok
[INFO] [stdout] test tests::test_detach_rc ... ok
[INFO] [stdout] test tests::test_detach ... ok
[INFO] [stdout] test tests::test_rc_clone ... ok
[INFO] [stdout] test tests::test_recycle ... ok
[INFO] [stdout] test tests::test_recycle_rc ... ok
[INFO] [stdout] test tests::test_size_cap ... ok
[INFO] [stdout] test tests::test_builder ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lifeguard
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - pool (line 539) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "56695a623ff274f137e31e76e1b294f4b715ccc6591162e58230669dbf19d629"`
[INFO] running `"docker" "rm" "-f" "56695a623ff274f137e31e76e1b294f4b715ccc6591162e58230669dbf19d629"`
[INFO] [stdout] 56695a623ff274f137e31e76e1b294f4b715ccc6591162e58230669dbf19d629