[INFO] fetching crate meadowcap 0.2.0...
[INFO] building meadowcap-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate meadowcap 0.2.0 into /workspace/builds/worker-4-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate meadowcap 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3931c289dbcfbbc5600e5668498094420906187794190145de461510663306c0
[INFO] running `Command { std: "docker" "start" "-a" "3931c289dbcfbbc5600e5668498094420906187794190145de461510663306c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3931c289dbcfbbc5600e5668498094420906187794190145de461510663306c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3931c289dbcfbbc5600e5668498094420906187794190145de461510663306c0", kill_on_drop: false }`
[INFO] [stdout] 3931c289dbcfbbc5600e5668498094420906187794190145de461510663306c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4c192885c8923df0800c373e023483472c495f842bd84feff0b8de3ce422c7
[INFO] running `Command { std: "docker" "start" "-a" "2e4c192885c8923df0800c373e023483472c495f842bd84feff0b8de3ce422c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[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 wb_async_utils v0.1.0
[INFO] [stderr]    Compiling wrapper v0.1.1
[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 11.54s
[INFO] running `Command { std: "docker" "inspect" "2e4c192885c8923df0800c373e023483472c495f842bd84feff0b8de3ce422c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4c192885c8923df0800c373e023483472c495f842bd84feff0b8de3ce422c7", kill_on_drop: false }`
[INFO] [stdout] 2e4c192885c8923df0800c373e023483472c495f842bd84feff0b8de3ce422c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f849651dba9d04e0d1eddfdcfb74a3e9d37d76b4926478c97b566cff2590caa
[INFO] running `Command { std: "docker" "start" "-a" "3f849651dba9d04e0d1eddfdcfb74a3e9d37d76b4926478c97b566cff2590caa", 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 0.49s
[INFO] running `Command { std: "docker" "inspect" "3f849651dba9d04e0d1eddfdcfb74a3e9d37d76b4926478c97b566cff2590caa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f849651dba9d04e0d1eddfdcfb74a3e9d37d76b4926478c97b566cff2590caa", kill_on_drop: false }`
[INFO] [stdout] 3f849651dba9d04e0d1eddfdcfb74a3e9d37d76b4926478c97b566cff2590caa
