[INFO] fetching crate meadowcap 0.2.0...
[INFO] building meadowcap-0.2.0 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate meadowcap 0.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate meadowcap 0.2.0
[INFO] finished tweaking crates.io crate meadowcap 0.2.0
[INFO] tweaked toml for crates.io crate meadowcap 0.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate meadowcap 0.2.0 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate meadowcap 0.2.0 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wb_async_utils v0.1.0
[INFO] [stderr]   Downloaded wrapper v0.1.1
[INFO] [stderr]   Downloaded maybe-std v0.1.2
[INFO] [stderr]   Downloaded ufotofu_queues v0.5.0
[INFO] [stderr]   Downloaded willow-encoding v0.1.0
[INFO] [stderr]   Downloaded ufotofu_codec_endian v0.1.0
[INFO] [stderr]   Downloaded pollster v0.4.0
[INFO] [stderr]   Downloaded willow-data-model v0.2.0
[INFO] [stderr]   Downloaded compact_u64 v0.1.0
[INFO] [stderr]   Downloaded ufotofu v0.6.3
[INFO] [stderr]   Downloaded ufotofu v0.4.3
[INFO] [stderr]   Downloaded ufotofu_codec v0.1.0
[INFO] [stderr]   Downloaded fairly_unsafe_cell v0.1.0
[INFO] [stderr]   Downloaded syncify v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f05eac7c6f00202ad70a26e1f704056bc70cd55237d8f2fb24e3a0849682e1b5
[INFO] running `Command { std: "docker" "start" "-a" "f05eac7c6f00202ad70a26e1f704056bc70cd55237d8f2fb24e3a0849682e1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f05eac7c6f00202ad70a26e1f704056bc70cd55237d8f2fb24e3a0849682e1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f05eac7c6f00202ad70a26e1f704056bc70cd55237d8f2fb24e3a0849682e1b5", kill_on_drop: false }`
[INFO] [stdout] f05eac7c6f00202ad70a26e1f704056bc70cd55237d8f2fb24e3a0849682e1b5
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ae1c4301417ab7a96ef5b3a767f9ff16227643bcfedac1a69f1cbd16b84299e
[INFO] running `Command { std: "docker" "start" "-a" "3ae1c4301417ab7a96ef5b3a767f9ff16227643bcfedac1a69f1cbd16b84299e", kill_on_drop: false }`
[INFO] [stderr]    Compiling fairly_unsafe_cell v0.1.0
[INFO] [stderr]    Compiling maybe-std v0.1.2
[INFO] [stderr]    Compiling pollster v0.4.0
[INFO] [stderr]    Compiling ufotofu_queues v0.5.0
[INFO] [stderr]    Compiling signature v2.2.0
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling wrapper v0.1.1
[INFO] [stderr]    Compiling wb_async_utils v0.1.0
[INFO] [stderr]    Compiling ufotofu v0.4.3
[INFO] [stderr]    Compiling derive_arbitrary v1.4.1
[INFO] [stderr]    Compiling syncify v0.1.0
[INFO] [stderr]    Compiling willow-encoding v0.1.0
[INFO] [stderr]    Compiling arbitrary v1.4.1
[INFO] [stderr]    Compiling ufotofu v0.6.3
[INFO] [stderr]    Compiling ufotofu_codec v0.1.0
[INFO] [stderr]    Compiling ufotofu_codec_endian v0.1.0
[INFO] [stderr]    Compiling compact_u64 v0.1.0
[INFO] [stderr]    Compiling willow-data-model v0.2.0
[INFO] [stderr]    Compiling meadowcap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/communal_capability.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 225 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 225 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/owned_capability.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 320 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 320 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.87s
[INFO] running `Command { std: "docker" "inspect" "3ae1c4301417ab7a96ef5b3a767f9ff16227643bcfedac1a69f1cbd16b84299e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae1c4301417ab7a96ef5b3a767f9ff16227643bcfedac1a69f1cbd16b84299e", kill_on_drop: false }`
[INFO] [stdout] 3ae1c4301417ab7a96ef5b3a767f9ff16227643bcfedac1a69f1cbd16b84299e
[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=forbid" "-e" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2cc939e7e84a25c7029763e937b33c4bfc6fc794c06486a0bc4e84fc4dcd77
[INFO] running `Command { std: "docker" "start" "-a" "cf2cc939e7e84a25c7029763e937b33c4bfc6fc794c06486a0bc4e84fc4dcd77", kill_on_drop: false }`
[INFO] [stderr]    Compiling meadowcap v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/communal_capability.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 225 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 225 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/owned_capability.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 320 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 320 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/communal_capability.rs:224:9
[INFO] [stdout]     |
[INFO] [stdout] 224 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 225 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 225 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/owned_capability.rs:319:9
[INFO] [stdout]     |
[INFO] [stdout] 319 |         &self,
[INFO] [stdout]     |         ^^^^^ the lifetime is elided here
[INFO] [stdout] 320 |     ) -> core::slice::Iter<Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden 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] 320 |     ) -> core::slice::Iter<'_, Delegation<MCL, MCC, MPL, UserPublicKey, UserSignature>> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "cf2cc939e7e84a25c7029763e937b33c4bfc6fc794c06486a0bc4e84fc4dcd77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2cc939e7e84a25c7029763e937b33c4bfc6fc794c06486a0bc4e84fc4dcd77", kill_on_drop: false }`
[INFO] [stdout] cf2cc939e7e84a25c7029763e937b33c4bfc6fc794c06486a0bc4e84fc4dcd77
