[INFO] cloning repository https://github.com/hsmtkk/supreme-sniffle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsmtkk/supreme-sniffle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 328a936350fc83629d43660b9f3936d465bb08aa
[INFO] testing hsmtkk/supreme-sniffle against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] finished tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] tweaked toml for git repo https://github.com/hsmtkk/supreme-sniffle written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsmtkk/supreme-sniffle on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsmtkk/supreme-sniffle 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing hsmtkk/supreme-sniffle against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsmtkk%2Fsupreme-sniffle" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] finished tweaking git repo https://github.com/hsmtkk/supreme-sniffle
[INFO] tweaked toml for git repo https://github.com/hsmtkk/supreme-sniffle written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsmtkk/supreme-sniffle on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsmtkk/supreme-sniffle 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0826a739e645249a0fe8a47f46663e05472dad94c7edb47e9c5d01dec792c68e
[INFO] running `Command { std: "docker" "start" "-a" "0826a739e645249a0fe8a47f46663e05472dad94c7edb47e9c5d01dec792c68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0826a739e645249a0fe8a47f46663e05472dad94c7edb47e9c5d01dec792c68e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0826a739e645249a0fe8a47f46663e05472dad94c7edb47e9c5d01dec792c68e", kill_on_drop: false }`
[INFO] [stdout] 0826a739e645249a0fe8a47f46663e05472dad94c7edb47e9c5d01dec792c68e
[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=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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f0d3516afcdadae06e6150490c36e9106eee3e29b5aea13348810873d19bda5
[INFO] running `Command { std: "docker" "start" "-a" "2f0d3516afcdadae06e6150490c36e9106eee3e29b5aea13348810873d19bda5", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]    Compiling supreme-sniffle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find module or crate `rc` in this scope
[INFO] [stdout]   --> src/double_linked_list.rs:41:34
[INFO] [stdout]    |
[INFO] [stdout] 41 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 41 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 41 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/double_linked_list.rs:57:48
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(new_back));
[INFO] [stdout]    |                                  ------------- ^^^^^^^^ expected `&Rc<RefCell<DbNode<T>>>`, found `Rc<RefCell<DbNode<T>>>`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this function are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected reference `&Rc<_>`
[INFO] [stdout]                  found struct `Rc<_>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]   --> /rustc/ad726b5063362ec9897ef3d67452fc5606ee70fa/library/alloc/src/rc.rs:1753:11
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]    |
[INFO] [stdout] 57 |                 self.last = Some(Rc::downgrade(&new_back));
[INFO] [stdout]    |                                                +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find module or crate `rc` in this scope
[INFO] [stdout]   --> src/double_linked_list.rs:66:34
[INFO] [stdout]    |
[INFO] [stdout] 66 |                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout]    |                                  ^^ use of unresolved module or unlinked crate `rc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `rc`, use `cargo add rc` to add it to your `Cargo.toml`
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]    |
[INFO] [stdout] 66 -                 self.last = Some(rc::downgrade(&new_data));
[INFO] [stdout] 66 +                 self.last = Some(Rc::downgrade(&new_data));
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `supreme-sniffle` (lib) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f0d3516afcdadae06e6150490c36e9106eee3e29b5aea13348810873d19bda5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0d3516afcdadae06e6150490c36e9106eee3e29b5aea13348810873d19bda5", kill_on_drop: false }`
[INFO] [stdout] 2f0d3516afcdadae06e6150490c36e9106eee3e29b5aea13348810873d19bda5