[INFO] fetching crate lifeguard 0.6.1...
[INFO] building lifeguard-0.6.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate lifeguard 0.6.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lifeguard 0.6.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lifeguard 0.6.1
[INFO] finished tweaking crates.io crate lifeguard 0.6.1
[INFO] tweaked toml for crates.io crate lifeguard 0.6.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 910604ff627bb7c9bcb08cbff00af1ea1aa88d8cc7a9119c269e318c8cecb700
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "910604ff627bb7c9bcb08cbff00af1ea1aa88d8cc7a9119c269e318c8cecb700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "910604ff627bb7c9bcb08cbff00af1ea1aa88d8cc7a9119c269e318c8cecb700", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "910604ff627bb7c9bcb08cbff00af1ea1aa88d8cc7a9119c269e318c8cecb700", kill_on_drop: false }`
[INFO] [stdout] 910604ff627bb7c9bcb08cbff00af1ea1aa88d8cc7a9119c269e318c8cecb700
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 617ae8e565d8034ca30f5bbbd658756e70a7dbb420568b94a486b0d8d8bf38f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "617ae8e565d8034ca30f5bbbd658756e70a7dbb420568b94a486b0d8d8bf38f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling lifeguard v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "617ae8e565d8034ca30f5bbbd658756e70a7dbb420568b94a486b0d8d8bf38f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "617ae8e565d8034ca30f5bbbd658756e70a7dbb420568b94a486b0d8d8bf38f9", kill_on_drop: false }`
[INFO] [stdout] 617ae8e565d8034ca30f5bbbd658756e70a7dbb420568b94a486b0d8d8bf38f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c985aa4582ba2674e8834ddbfdc798383cdc29eb38c8764714cc243d88e19024
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c985aa4582ba2674e8834ddbfdc798383cdc29eb38c8764714cc243d88e19024", kill_on_drop: false }`
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling lifeguard v0.6.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]    --> src/lib.rs:607:25
[INFO] [stdout]     |
[INFO] [stdout] 607 |     fn set_option(self, T) -> T;
[INFO] [stdout]     |                         ^ help: try naming the parameter or explicitly ignoring it: `_: T`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2018 edition!
[INFO] [stdout]     = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 185 | impl_recycled!{ RcRecycled, RcRecycled<T>, Rc<RefCell<CappedCollection<T>>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/lib.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn new(pool: $pool, value: T) -> $typ {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_from`
[INFO] [stdout]    --> src/lib.rs:172:5
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn new_from<A>(pool: $pool, value: T, source: A) -> $typ where T : InitializeWith<A> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 186 | impl_recycled!{ Recycled, Recycled<'a, T>, &'a RefCell<CappedCollection<T>> }
[INFO] [stdout]     | ----------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "c985aa4582ba2674e8834ddbfdc798383cdc29eb38c8764714cc243d88e19024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c985aa4582ba2674e8834ddbfdc798383cdc29eb38c8764714cc243d88e19024", kill_on_drop: false }`
[INFO] [stdout] c985aa4582ba2674e8834ddbfdc798383cdc29eb38c8764714cc243d88e19024
