[INFO] fetching crate shadow-clone 1.2.1...
[INFO] testing shadow-clone-1.2.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shadow-clone 1.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate shadow-clone 1.2.1
[INFO] finished tweaking crates.io crate shadow-clone 1.2.1
[INFO] tweaked toml for crates.io crate shadow-clone 1.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shadow-clone 1.2.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cf2a976bcd7e864ed56c59e8e7d2ce3eab52e2f7eba5b7bf63af9bb8705fe91
[INFO] running `Command { std: "docker" "start" "-a" "2cf2a976bcd7e864ed56c59e8e7d2ce3eab52e2f7eba5b7bf63af9bb8705fe91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cf2a976bcd7e864ed56c59e8e7d2ce3eab52e2f7eba5b7bf63af9bb8705fe91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf2a976bcd7e864ed56c59e8e7d2ce3eab52e2f7eba5b7bf63af9bb8705fe91", kill_on_drop: false }`
[INFO] [stdout] 2cf2a976bcd7e864ed56c59e8e7d2ce3eab52e2f7eba5b7bf63af9bb8705fe91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e1c74c028de84b0e4e2ee164ae03f309df517d02cc8ef1e2242e22b1f0cc1c0
[INFO] running `Command { std: "docker" "start" "-a" "1e1c74c028de84b0e4e2ee164ae03f309df517d02cc8ef1e2242e22b1f0cc1c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-clone v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1e1c74c028de84b0e4e2ee164ae03f309df517d02cc8ef1e2242e22b1f0cc1c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1c74c028de84b0e4e2ee164ae03f309df517d02cc8ef1e2242e22b1f0cc1c0", kill_on_drop: false }`
[INFO] [stdout] 1e1c74c028de84b0e4e2ee164ae03f309df517d02cc8ef1e2242e22b1f0cc1c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9c03a2e0f05db9205c746631e87bad2e1403bc21a0a09279399a4b6cb7cf41e4
[INFO] running `Command { std: "docker" "start" "-a" "9c03a2e0f05db9205c746631e87bad2e1403bc21a0a09279399a4b6cb7cf41e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling shadow-clone v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value captured by `s` is never read
[INFO] [stdout]  --> tests/mod.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stdout]   |                               ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: did you mean to capture by reference instead?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]  --> tests/mod.rs:8:31
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stdout]   |                               ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "9c03a2e0f05db9205c746631e87bad2e1403bc21a0a09279399a4b6cb7cf41e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c03a2e0f05db9205c746631e87bad2e1403bc21a0a09279399a4b6cb7cf41e4", kill_on_drop: false }`
[INFO] [stdout] 9c03a2e0f05db9205c746631e87bad2e1403bc21a0a09279399a4b6cb7cf41e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fbac45b4c4b27170bd1446d767542b054bb8b285310b1c33701f090a3e205ce1
[INFO] running `Command { std: "docker" "start" "-a" "fbac45b4c4b27170bd1446d767542b054bb8b285310b1c33701f090a3e205ce1", kill_on_drop: false }`
[INFO] [stderr] warning: value captured by `s` is never read
[INFO] [stderr]  --> tests/mod.rs:8:31
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stderr]   |                               ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: did you mean to capture by reference instead?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `s` is never read
[INFO] [stderr]  --> tests/mod.rs:8:31
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let _ = move |_: i32| s = "changed".to_string();
[INFO] [stderr]   |                               ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `shadow-clone` (test "mod") generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/shadow_clone-8a9397d2c9cb59da)
[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] [stderr]      Running tests/mod.rs (/opt/rustwide/target/debug/deps/mod-0700ceb70c2c6649)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test random_silly_clones ... ok
[INFO] [stdout] test mutable_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shadow_clone
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - shadow_clone (line 15) ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 7) - compile fail ... ok
[INFO] [stdout] test src/lib.rs - shadow_clone (line 25) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.27s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fbac45b4c4b27170bd1446d767542b054bb8b285310b1c33701f090a3e205ce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbac45b4c4b27170bd1446d767542b054bb8b285310b1c33701f090a3e205ce1", kill_on_drop: false }`
[INFO] [stdout] fbac45b4c4b27170bd1446d767542b054bb8b285310b1c33701f090a3e205ce1
