[INFO] fetching crate eule 0.5.8...
[INFO] testing eule-0.5.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate eule 0.5.8 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate eule 0.5.8
[INFO] finished tweaking crates.io crate eule 0.5.8
[INFO] tweaked toml for crates.io crate eule 0.5.8 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate eule 0.5.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 39 packages to latest compatible versions
[INFO] [stderr]       Adding directories v5.0.1 (available: v6.0.0)
[INFO] [stderr]       Adding ron v0.8.1 (available: v0.11.0)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2e927fa4f0dd66e4cc132f33c5c11cdec9d25005a00e08f2988fdb4b36fe00a
[INFO] running `Command { std: "docker" "start" "-a" "a2e927fa4f0dd66e4cc132f33c5c11cdec9d25005a00e08f2988fdb4b36fe00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2e927fa4f0dd66e4cc132f33c5c11cdec9d25005a00e08f2988fdb4b36fe00a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2e927fa4f0dd66e4cc132f33c5c11cdec9d25005a00e08f2988fdb4b36fe00a", kill_on_drop: false }`
[INFO] [stdout] a2e927fa4f0dd66e4cc132f33c5c11cdec9d25005a00e08f2988fdb4b36fe00a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1719cd4605478182b7682002bb5e0b0b9709ee6b576639d9dc8c91450fd45c9
[INFO] running `Command { std: "docker" "start" "-a" "e1719cd4605478182b7682002bb5e0b0b9709ee6b576639d9dc8c91450fd45c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling option-ext v0.2.0
[INFO] [stderr]    Compiling base64 v0.21.7
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling dirs-sys v0.4.1
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling directories v5.0.1
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling ron v0.8.1
[INFO] [stderr]    Compiling eule v0.5.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.00s
[INFO] running `Command { std: "docker" "inspect" "e1719cd4605478182b7682002bb5e0b0b9709ee6b576639d9dc8c91450fd45c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1719cd4605478182b7682002bb5e0b0b9709ee6b576639d9dc8c91450fd45c9", kill_on_drop: false }`
[INFO] [stdout] e1719cd4605478182b7682002bb5e0b0b9709ee6b576639d9dc8c91450fd45c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84d2d5d3b651d25fe33465a694413e3dd2cac36f45fd227ebaac2f4f3964f5ea
[INFO] running `Command { std: "docker" "start" "-a" "84d2d5d3b651d25fe33465a694413e3dd2cac36f45fd227ebaac2f4f3964f5ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling eule v0.5.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `T` is never constructed
[INFO] [stdout]    --> src/lib.rs:124:13
[INFO] [stdout]     |
[INFO] [stdout] 124 |     pub struct T<A, B, C>
[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 1.41s
[INFO] running `Command { std: "docker" "inspect" "84d2d5d3b651d25fe33465a694413e3dd2cac36f45fd227ebaac2f4f3964f5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84d2d5d3b651d25fe33465a694413e3dd2cac36f45fd227ebaac2f4f3964f5ea", kill_on_drop: false }`
[INFO] [stdout] 84d2d5d3b651d25fe33465a694413e3dd2cac36f45fd227ebaac2f4f3964f5ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2927592c60f9ff44446b92829ab3072fd00816a64bd087cc08a57215a21e9b95
[INFO] running `Command { std: "docker" "start" "-a" "2927592c60f9ff44446b92829ab3072fd00816a64bd087cc08a57215a21e9b95", kill_on_drop: false }`
[INFO] [stderr] warning: struct `T` is never constructed
[INFO] [stderr]    --> src/lib.rs:124:13
[INFO] [stderr]     |
[INFO] [stderr] 124 |     pub struct T<A, B, C>
[INFO] [stderr]     |                ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `eule` (lib test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/eule-afb45e46dae4f6fc)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::deserialize_or_value ... ok
[INFO] [stdout] test tests::serialize_arc_mutex_and_save ... ok
[INFO] [stderr]    Doc-tests eule
[INFO] [stdout] test tests::deserialize_or_value_arc_mutex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2927592c60f9ff44446b92829ab3072fd00816a64bd087cc08a57215a21e9b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2927592c60f9ff44446b92829ab3072fd00816a64bd087cc08a57215a21e9b95", kill_on_drop: false }`
[INFO] [stdout] 2927592c60f9ff44446b92829ab3072fd00816a64bd087cc08a57215a21e9b95