[INFO] fetching crate rhook 0.8.0...
[INFO] testing rhook-0.8.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate rhook 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate rhook 0.8.0
[INFO] finished tweaking crates.io crate rhook 0.8.0
[INFO] tweaked toml for crates.io crate rhook 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rhook 0.8.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rhook 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd0a7b3e12dbac19997bfaf7a0f88a604e5b26a9956e01ea7dfa6b9cd4bc1c65
[INFO] running `Command { std: "docker" "start" "-a" "bd0a7b3e12dbac19997bfaf7a0f88a604e5b26a9956e01ea7dfa6b9cd4bc1c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd0a7b3e12dbac19997bfaf7a0f88a604e5b26a9956e01ea7dfa6b9cd4bc1c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd0a7b3e12dbac19997bfaf7a0f88a604e5b26a9956e01ea7dfa6b9cd4bc1c65", kill_on_drop: false }`
[INFO] [stdout] bd0a7b3e12dbac19997bfaf7a0f88a604e5b26a9956e01ea7dfa6b9cd4bc1c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5378ab87f1996e7112bf287689418a0a16ec0192a82a99a29da90189a5f97bc9
[INFO] running `Command { std: "docker" "start" "-a" "5378ab87f1996e7112bf287689418a0a16ec0192a82a99a29da90189a5f97bc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling rhook v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor;
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_>;
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor;
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_>;
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "5378ab87f1996e7112bf287689418a0a16ec0192a82a99a29da90189a5f97bc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5378ab87f1996e7112bf287689418a0a16ec0192a82a99a29da90189a5f97bc9", kill_on_drop: false }`
[INFO] [stdout] 5378ab87f1996e7112bf287689418a0a16ec0192a82a99a29da90189a5f97bc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8ad413257d9e232b240a3718273ec0fdd5a1e5992bb0f24f4bc9dd089b218c4
[INFO] running `Command { std: "docker" "start" "-a" "b8ad413257d9e232b240a3718273ec0fdd5a1e5992bb0f24f4bc9dd089b218c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhook v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor;
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_>;
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor;
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_>;
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> examples/multithread.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 .unwrap();
[INFO] [stdout]    |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     let t1 = std::thread::spawn(|| command!("hello"));
[INFO] [stdout]    |                                    ----------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> examples/multithread.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 .unwrap();
[INFO] [stdout]    |                          ^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     let t2 = std::thread::spawn(|| command!("bye"));
[INFO] [stdout]    |                                    --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:151:17
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor;
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_>;
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:153:18
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor;
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_>;
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:157:17
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:165:18
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:175:17
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stdout]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stdout]     |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:180:18
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stdout]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stdout]     |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rhook v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "b8ad413257d9e232b240a3718273ec0fdd5a1e5992bb0f24f4bc9dd089b218c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8ad413257d9e232b240a3718273ec0fdd5a1e5992bb0f24f4bc9dd089b218c4", kill_on_drop: false }`
[INFO] [stdout] b8ad413257d9e232b240a3718273ec0fdd5a1e5992bb0f24f4bc9dd089b218c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 476800fc8189b31d5eee9c9f030a5e68160ec7c97e3fa51fed1ab3d888af91fc
[INFO] running `Command { std: "docker" "start" "-a" "476800fc8189b31d5eee9c9f030a5e68160ec7c97e3fa51fed1ab3d888af91fc", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] 
[INFO] [stderr]    --> src/lib.rs:151:17
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stdout] 
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 151 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_>;
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:153:18
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor;
[INFO] [stderr]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 153 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_>;
[INFO] [stderr]     |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:157:17
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stderr]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 157 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:165:18
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stderr]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 165 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stderr]     |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:175:17
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor {
[INFO] [stderr]     |                 ^^^^^^^^^                 ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 175 |     fn add_hook(&mut self, hook: Hook) -> Anchor<'_> {
[INFO] [stderr]     |                                                 ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/lib.rs:180:18
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor {
[INFO] [stderr]     |                  ^^^^^^^^^                       ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 180 |     fn add_hooks(&mut self, hooks: Vec<Hook>) -> Anchor<'_> {
[INFO] [stderr]     |                                                        ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rhook` (lib) generated 6 warnings (run `cargo fix --lib -p rhook` to apply 6 suggestions)
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> examples/multithread.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 .unwrap();
[INFO] [stderr]    |                          ^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     let t1 = std::thread::spawn(|| command!("hello"));
[INFO] [stderr]    |                                    ----------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: `#[warn(semicolon_in_expressions_from_macros)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr]    = note: this warning originates in the macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trailing semicolon in macro used in expression position
[INFO] [stderr]   --> examples/multithread.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |                 .unwrap();
[INFO] [stderr]    |                          ^
[INFO] [stderr] ...
[INFO] [stderr] 34 |     let t2 = std::thread::spawn(|| command!("bye"));
[INFO] [stderr]    |                                    --------------- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stderr]    = note: this warning originates in the macro `command` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rhook` (example "multithread") generated 2 warnings
[INFO] [stderr] warning: `rhook` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rhook v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rhook-9891bf620d9ac0e9)
[INFO] [stderr]    Doc-tests rhook
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 47) - compile ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "476800fc8189b31d5eee9c9f030a5e68160ec7c97e3fa51fed1ab3d888af91fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "476800fc8189b31d5eee9c9f030a5e68160ec7c97e3fa51fed1ab3d888af91fc", kill_on_drop: false }`
[INFO] [stdout] 476800fc8189b31d5eee9c9f030a5e68160ec7c97e3fa51fed1ab3d888af91fc
