[INFO] fetching crate floretta 0.5.0...
[INFO] checking floretta-0.5.0 against 0b63defc8fd68957c635fe61f097b84df8fd9611 for pr-154715
[INFO] extracting crate floretta 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate floretta 0.5.0
[INFO] finished tweaking crates.io crate floretta 0.5.0
[INFO] tweaked toml for crates.io crate floretta 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate floretta 0.5.0 on toolchain 0b63defc8fd68957c635fe61f097b84df8fd9611
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate floretta 0.5.0 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" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7
[INFO] running `Command { std: "docker" "start" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7" "/opt/rustwide/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7" "/opt/rustwide/cargo-home/bin/cargo" "+0b63defc8fd68957c635fe61f097b84df8fd9611" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/forward.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn instructions(&mut self) -> InstructionSink {
[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] 173 |     fn instructions(&mut self) -> InstructionSink<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/reverse.rs:1808:21
[INFO] [stdout]      |
[INFO] [stdout] 1808 |     fn instructions(&mut self) -> InstructionSink {
[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] 1808 |     fn instructions(&mut self) -> InstructionSink<'_> {
[INFO] [stdout]      |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/forward.rs:173:21
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn instructions(&mut self) -> InstructionSink {
[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] 173 |     fn instructions(&mut self) -> InstructionSink<'_> {
[INFO] [stdout]     |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/reverse.rs:1808:21
[INFO] [stdout]      |
[INFO] [stdout] 1808 |     fn instructions(&mut self) -> InstructionSink {
[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] 1808 |     fn instructions(&mut self) -> InstructionSink<'_> {
[INFO] [stdout]      |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `Command { std: "docker" "inspect" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7", kill_on_drop: false }`
[INFO] [stdout] a47e23063f1a1df3768ddd83d6ed0f2a6ff81ac5136002de27b714168d9962e7
