[INFO] fetching crate delegate-display 3.0.0...
[INFO] checking delegate-display-3.0.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate delegate-display 3.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate delegate-display 3.0.0
[INFO] finished tweaking crates.io crate delegate-display 3.0.0
[INFO] tweaked toml for crates.io crate delegate-display 3.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate delegate-display 3.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded impartial-ord v1.0.6
[INFO] [stderr]   Downloaded macroific_macro v2.0.0
[INFO] [stderr]   Downloaded macroific_attr_parse v2.0.0
[INFO] [stderr]   Downloaded macroific v2.0.0
[INFO] [stderr]   Downloaded sealed v0.6.0
[INFO] [stderr]   Downloaded macroific_core v2.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] cc19dd6b1ac4d727c5d8df25a6e95333526bf6a0da7c6104a8db25b96effefa1
[INFO] running `Command { std: "docker" "start" "-a" "cc19dd6b1ac4d727c5d8df25a6e95333526bf6a0da7c6104a8db25b96effefa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc19dd6b1ac4d727c5d8df25a6e95333526bf6a0da7c6104a8db25b96effefa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc19dd6b1ac4d727c5d8df25a6e95333526bf6a0da7c6104a8db25b96effefa1", kill_on_drop: false }`
[INFO] [stdout] cc19dd6b1ac4d727c5d8df25a6e95333526bf6a0da7c6104a8db25b96effefa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7747de7567a24ab7e0597047e98d56bbf42c081a8f64a490a15bd850725c22f8
[INFO] running `Command { std: "docker" "start" "-a" "7747de7567a24ab7e0597047e98d56bbf42c081a8f64a490a15bd850725c22f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling sealed v0.6.0
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]    Compiling impartial-ord v1.0.6
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking proc-macro2 v1.0.95
[INFO] [stderr]    Compiling macroific_core v2.0.0
[INFO] [stderr]    Compiling macroific_attr_parse v2.0.0
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.104
[INFO] [stderr]    Compiling macroific_macro v2.0.0
[INFO] [stderr]     Checking macroific v2.0.0
[INFO] [stderr]     Checking delegate-display v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/implementation.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn trait_path(&self) -> ModulePrefix<3> {
[INFO] [stdout]    |                   ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[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] 79 |     fn trait_path(&self) -> ModulePrefix<'_, 3> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/implementation.rs:79:19
[INFO] [stdout]    |
[INFO] [stdout] 79 |     fn trait_path(&self) -> ModulePrefix<3> {
[INFO] [stdout]    |                   ^^^^^     --------------- the lifetime gets resolved as `'_`
[INFO] [stdout]    |                   |
[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] 79 |     fn trait_path(&self) -> ModulePrefix<'_, 3> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.96s
[INFO] running `Command { std: "docker" "inspect" "7747de7567a24ab7e0597047e98d56bbf42c081a8f64a490a15bd850725c22f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7747de7567a24ab7e0597047e98d56bbf42c081a8f64a490a15bd850725c22f8", kill_on_drop: false }`
[INFO] [stdout] 7747de7567a24ab7e0597047e98d56bbf42c081a8f64a490a15bd850725c22f8