[INFO] fetching crate rcell 2.0.0...
[INFO] testing rcell-2.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rcell 2.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate rcell 2.0.0
[INFO] finished tweaking crates.io crate rcell 2.0.0
[INFO] tweaked toml for crates.io crate rcell 2.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rcell 2.0.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6a177a40d6fffd3e2239065acca9d4a35e17cc32fd8cba9c030a9b5ac6c6dc00
[INFO] running `Command { std: "docker" "start" "-a" "6a177a40d6fffd3e2239065acca9d4a35e17cc32fd8cba9c030a9b5ac6c6dc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a177a40d6fffd3e2239065acca9d4a35e17cc32fd8cba9c030a9b5ac6c6dc00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a177a40d6fffd3e2239065acca9d4a35e17cc32fd8cba9c030a9b5ac6c6dc00", kill_on_drop: false }`
[INFO] [stdout] 6a177a40d6fffd3e2239065acca9d4a35e17cc32fd8cba9c030a9b5ac6c6dc00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 93ebded2c94bad56a2872acdbb2da498eb7c484942aa3937bbed38e187ee1ebf
[INFO] running `Command { std: "docker" "start" "-a" "93ebded2c94bad56a2872acdbb2da498eb7c484942aa3937bbed38e187ee1ebf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcell v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "93ebded2c94bad56a2872acdbb2da498eb7c484942aa3937bbed38e187ee1ebf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ebded2c94bad56a2872acdbb2da498eb7c484942aa3937bbed38e187ee1ebf", kill_on_drop: false }`
[INFO] [stdout] 93ebded2c94bad56a2872acdbb2da498eb7c484942aa3937bbed38e187ee1ebf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19a07b6e3da41470660b9bdbb1088c938a2b8f5e81db5de93b7a0ef47e8f4c44
[INFO] running `Command { std: "docker" "start" "-a" "19a07b6e3da41470660b9bdbb1088c938a2b8f5e81db5de93b7a0ef47e8f4c44", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcell v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> tests/integration.rs:11:19
[INFO] [stdout]    |
[INFO] [stdout] 11 |     struct MyType(&'static str);
[INFO] [stdout]    |            ------ ^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[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 0.94s
[INFO] running `Command { std: "docker" "inspect" "19a07b6e3da41470660b9bdbb1088c938a2b8f5e81db5de93b7a0ef47e8f4c44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a07b6e3da41470660b9bdbb1088c938a2b8f5e81db5de93b7a0ef47e8f4c44", kill_on_drop: false }`
[INFO] [stdout] 19a07b6e3da41470660b9bdbb1088c938a2b8f5e81db5de93b7a0ef47e8f4c44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1d8928ba25bd7986ef9ee9164c4d93e907b47f571276d8f9a7d274a164f71df5
[INFO] running `Command { std: "docker" "start" "-a" "1d8928ba25bd7986ef9ee9164c4d93e907b47f571276d8f9a7d274a164f71df5", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> tests/integration.rs:11:19
[INFO] [stderr]    |
[INFO] [stderr] 11 |     struct MyType(&'static str);
[INFO] [stderr]    |            ------ ^^^^^^^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            field in this struct
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rcell` (test "integration") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rcell-1624e792525164e5)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::default ... ok
[INFO] [stdout] test tests::from_weak_drop_original ... ok
[INFO] [stdout] test tests::from_strong ... ok
[INFO] [stdout] test tests::from_weak_release ... ok
[INFO] [stdout] test tests::replace_strong ... ok
[INFO] [stdout] test tests::smoke ... ok
[INFO] [stdout] test tests::replace_weak ... ok
[INFO] [stdout] test tests::new ... ok
[INFO] [stdout] 
[INFO] [stderr]      Running tests/integration.rs (/opt/rustwide/target/debug/deps/integration-92de7961f359179f)
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test own_type ... ok
[INFO] [stdout] test std_type ... ok
[INFO] [stderr]    Doc-tests rcell
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 14) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1d8928ba25bd7986ef9ee9164c4d93e907b47f571276d8f9a7d274a164f71df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d8928ba25bd7986ef9ee9164c4d93e907b47f571276d8f9a7d274a164f71df5", kill_on_drop: false }`
[INFO] [stdout] 1d8928ba25bd7986ef9ee9164c4d93e907b47f571276d8f9a7d274a164f71df5
