[INFO] fetching crate deki_core 0.1.2...
[INFO] checking deki_core-0.1.2 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate deki_core 0.1.2 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate deki_core 0.1.2
[INFO] finished tweaking crates.io crate deki_core 0.1.2
[INFO] tweaked toml for crates.io crate deki_core 0.1.2 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate deki_core 0.1.2 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate deki_core 0.1.2 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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maflow v0.1.0
[INFO] [stderr]   Downloaded ext-trait-proc_macros v2.0.0
[INFO] [stderr]   Downloaded extension-traits v2.0.0
[INFO] [stderr]   Downloaded buns v0.1.0
[INFO] [stderr]   Downloaded ext-trait v2.0.0
[INFO] [stderr]   Downloaded fastapprox v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 236826e84b92493ca809f0efcb05b7d894265606ee02f774dbb5e59701820593
[INFO] running `Command { std: "docker" "start" "-a" "236826e84b92493ca809f0efcb05b7d894265606ee02f774dbb5e59701820593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "236826e84b92493ca809f0efcb05b7d894265606ee02f774dbb5e59701820593", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "236826e84b92493ca809f0efcb05b7d894265606ee02f774dbb5e59701820593", kill_on_drop: false }`
[INFO] [stdout] 236826e84b92493ca809f0efcb05b7d894265606ee02f774dbb5e59701820593
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35224cd6d3a712bcd339a5abcf8dc0339dfbc044a924e6a667371797ee844c2e
[INFO] running `Command { std: "docker" "start" "-a" "35224cd6d3a712bcd339a5abcf8dc0339dfbc044a924e6a667371797ee844c2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling unicode-xid v0.2.6
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling maflow v0.1.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking fastapprox v0.3.1
[INFO] [stderr]    Compiling convert_case v0.6.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking type_cell v0.3.4
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling derive_more-impl v1.0.0
[INFO] [stderr]    Compiling derive-new v0.7.0
[INFO] [stderr]    Compiling ext-trait-proc_macros v2.0.0
[INFO] [stderr]    Compiling ext-trait v2.0.0
[INFO] [stderr]    Compiling extension-traits v2.0.0
[INFO] [stderr]    Compiling buns v0.1.0
[INFO] [stderr]     Checking derive_more v1.0.0
[INFO] [stderr]     Checking deki_core v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |         pub fn iter(&self) -> Zip<Iter<K>,Iter<V>> {
[INFO] [stdout]    |                     ^^^^^         ------- ------- the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |         pub fn iter(&self) -> Zip<Iter<'_, K>,Iter<'_, V>> {
[INFO] [stdout]    |                                        +++         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/lib.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |         pub fn iter(&self) -> Zip<Iter<K>,Iter<V>> {
[INFO] [stdout]    |                     ^^^^^         ------- ------- the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     |             |
[INFO] [stdout]    |                     |             the lifetimes get resolved as `'_`
[INFO] [stdout]    |                     this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |         pub fn iter(&self) -> Zip<Iter<'_, K>,Iter<'_, V>> {
[INFO] [stdout]    |                                        +++         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.95s
[INFO] running `Command { std: "docker" "inspect" "35224cd6d3a712bcd339a5abcf8dc0339dfbc044a924e6a667371797ee844c2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35224cd6d3a712bcd339a5abcf8dc0339dfbc044a924e6a667371797ee844c2e", kill_on_drop: false }`
[INFO] [stdout] 35224cd6d3a712bcd339a5abcf8dc0339dfbc044a924e6a667371797ee844c2e