[INFO] fetching crate dcp-rs 0.0.1...
[INFO] checking dcp-rs-0.0.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate dcp-rs 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] removed /workspace/builds/worker-0-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate dcp-rs 0.0.1
[INFO] finished tweaking crates.io crate dcp-rs 0.0.1
[INFO] tweaked toml for crates.io crate dcp-rs 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dcp-rs 0.0.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dcp-rs 0.0.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded testcontainers v0.15.0
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[INFO] [stderr]   Downloaded bollard-stubs v1.42.0-rc.3
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[INFO] [stdout] 47a68450cd004244fd8fb83ed9cf17a3327e3bbd5865e74fa5be1df084654eac
[INFO] running `Command { std: "docker" "start" "-a" "47a68450cd004244fd8fb83ed9cf17a3327e3bbd5865e74fa5be1df084654eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a68450cd004244fd8fb83ed9cf17a3327e3bbd5865e74fa5be1df084654eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a68450cd004244fd8fb83ed9cf17a3327e3bbd5865e74fa5be1df084654eac", kill_on_drop: false }`
[INFO] [stdout] 47a68450cd004244fd8fb83ed9cf17a3327e3bbd5865e74fa5be1df084654eac
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4261589c33386db5a3f9165d2120e23313232efc65d8aa43777bfced90f881e2
[INFO] running `Command { std: "docker" "start" "-a" "4261589c33386db5a3f9165d2120e23313232efc65d8aa43777bfced90f881e2", kill_on_drop: false }`
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[INFO] [stderr]     Checking dcp-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/couchbase.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(client: &Client) -> Couchbase {
[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] 16 |     pub fn new(client: &Client) -> Couchbase<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]    Compiling serde_derive v1.0.193
[INFO] [stderr]    Compiling futures-macro v0.3.29
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling darling_macro v0.13.4
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[INFO] [stderr]     Checking futures v0.3.29
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking bollard-stubs v1.42.0-rc.3
[INFO] [stderr]     Checking testcontainers v0.15.0
[INFO] [stdout] warning: unused import: `ListenerCallback`
[INFO] [stdout]  --> examples/dcp.rs:1:51
[INFO] [stdout]   |
[INFO] [stdout] 1 | use dcp_rs::{Config, Dcp, DcpConfig, GroupConfig, ListenerCallback};
[INFO] [stdout]   |                                                   ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> examples/dcp.rs:25:22
[INFO] [stdout]    |
[INFO] [stdout] 25 |     dcp.add_listener(listener);
[INFO] [stdout]    |                      ^^^^^^^^ one type is more general than the other
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'a> fn(&'a dcp_rs::dcp_io::packet::Packet) -> Result<_, _>`
[INFO] [stdout]               found fn pointer `fn(&dcp_rs::dcp_io::packet::Packet) -> Result<_, _>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dcp-rs` (example "dcp") due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io/couchbase.rs:16:24
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(client: &Client) -> Couchbase {
[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] 16 |     pub fn new(client: &Client) -> Couchbase<'_> {
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4261589c33386db5a3f9165d2120e23313232efc65d8aa43777bfced90f881e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4261589c33386db5a3f9165d2120e23313232efc65d8aa43777bfced90f881e2", kill_on_drop: false }`
[INFO] [stdout] 4261589c33386db5a3f9165d2120e23313232efc65d8aa43777bfced90f881e2