[INFO] fetching crate mockers 0.23.0...
[INFO] building mockers-0.23.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate mockers 0.23.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate mockers 0.23.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate mockers 0.23.0
[INFO] tweaked toml for crates.io crate mockers 0.23.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mockers 0.23.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 54 packages to latest compatible versions
[INFO] [stderr]       Adding indoc-impl v0.3.6 (available: v0.3.7)
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 2bb24447c4d2fe803ebd09a83497f58836563728d965fc8345b0a177978c267e
[INFO] running `Command { std: "docker" "start" "-a" "2bb24447c4d2fe803ebd09a83497f58836563728d965fc8345b0a177978c267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2bb24447c4d2fe803ebd09a83497f58836563728d965fc8345b0a177978c267e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bb24447c4d2fe803ebd09a83497f58836563728d965fc8345b0a177978c267e", kill_on_drop: false }`
[INFO] [stdout] 2bb24447c4d2fe803ebd09a83497f58836563728d965fc8345b0a177978c267e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 97cc97a05d6c8e524505f066bd1d62f102f18f5710116822980d9a2c15a98b4f
[INFO] running `Command { std: "docker" "start" "-a" "97cc97a05d6c8e524505f066bd1d62f102f18f5710116822980d9a2c15a98b4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling send_wrapper v0.6.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling mockers v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `MaybeDebug` is never used
[INFO] [stdout]  --> src/dbg.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait MaybeDebug {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "97cc97a05d6c8e524505f066bd1d62f102f18f5710116822980d9a2c15a98b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cc97a05d6c8e524505f066bd1d62f102f18f5710116822980d9a2c15a98b4f", kill_on_drop: false }`
[INFO] [stdout] 97cc97a05d6c8e524505f066bd1d62f102f18f5710116822980d9a2c15a98b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1efaf19cf299cec1bce01001ddc61fd92225e222576a7d5d49eaebb2335df321
[INFO] running `Command { std: "docker" "start" "-a" "1efaf19cf299cec1bce01001ddc61fd92225e222576a7d5d49eaebb2335df321", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling unindent v0.1.11
[INFO] [stderr]    Compiling itertools v0.4.19
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stdout] warning: trait `MaybeDebug` is never used
[INFO] [stdout]  --> src/dbg.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait MaybeDebug {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling tokio-stream v0.1.17
[INFO] [stderr]    Compiling proc-quote v0.4.0
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling indoc v0.3.6
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling mockers_derive v0.23.0
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling tokio-test v0.4.4
[INFO] [stderr]    Compiling mockers v0.23.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: impl trait in impl method signature does not match trait method signature
[INFO] [stdout]   --> tests/impl_trait.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |         #[mocked(return_type=u32)]
[INFO] [stdout]    |                              ^^^
[INFO] [stdout] 24 |         fn foo(&self) -> impl Sized;
[INFO] [stdout]    |                          ---------- return type from trait method defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: add `#[allow(refining_impl_trait)]` if it is intended for this to be part of the public API of this crate
[INFO] [stdout]    = note: we are soliciting feedback, see issue #121718 <https://github.com/rust-lang/rust/issues/121718> for more information
[INFO] [stdout]    = note: `#[warn(refining_impl_trait_internal)]` (part of `#[warn(refining_impl_trait)]`) on by default
[INFO] [stdout] help: replace the return type so that it matches the trait
[INFO] [stdout]    |
[INFO] [stdout] 23 -         #[mocked(return_type=u32)]
[INFO] [stdout] 23 +         #[mocked(return_type=impl Sized)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A` is never used
[INFO] [stdout]  --> tests/nested.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub trait A {
[INFO] [stdout]   |               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `A` is never used
[INFO] [stdout]    --> tests/multi_trait.rs:163:15
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub trait A {
[INFO] [stdout]     |               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `B` is never used
[INFO] [stdout]    --> tests/multi_trait.rs:167:15
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub trait B: A {
[INFO] [stdout]     |               ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MaybeDebug` is never used
[INFO] [stdout]  --> src/dbg.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait MaybeDebug {
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 12.25s
[INFO] running `Command { std: "docker" "inspect" "1efaf19cf299cec1bce01001ddc61fd92225e222576a7d5d49eaebb2335df321", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1efaf19cf299cec1bce01001ddc61fd92225e222576a7d5d49eaebb2335df321", kill_on_drop: false }`
[INFO] [stdout] 1efaf19cf299cec1bce01001ddc61fd92225e222576a7d5d49eaebb2335df321