[INFO] cloning repository https://github.com/gsmyridis/idencode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gsmyridis/idencode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsmyridis%2Fidencode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsmyridis%2Fidencode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ecfa48cc5850705593f0bd5366ebbbf311c5f5aa
[INFO] testing gsmyridis/idencode against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgsmyridis%2Fidencode" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gsmyridis/idencode
[INFO] finished tweaking git repo https://github.com/gsmyridis/idencode
[INFO] tweaked toml for git repo https://github.com/gsmyridis/idencode written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gsmyridis/idencode 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] crate git repo https://github.com/gsmyridis/idencode 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-2026-04-21" "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] 8d5238b4e8bdded5134798564ce4e4599b94c12d9ac3ee174bf420058dda8778
[INFO] running `Command { std: "docker" "start" "-a" "8d5238b4e8bdded5134798564ce4e4599b94c12d9ac3ee174bf420058dda8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d5238b4e8bdded5134798564ce4e4599b94c12d9ac3ee174bf420058dda8778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d5238b4e8bdded5134798564ce4e4599b94c12d9ac3ee174bf420058dda8778", kill_on_drop: false }`
[INFO] [stdout] 8d5238b4e8bdded5134798564ce4e4599b94c12d9ac3ee174bf420058dda8778
[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] 08819be603ef12a200bcfd8228729211a50de8c7e44a09d5d3f0abdf27c04d39
[INFO] running `Command { std: "docker" "start" "-a" "08819be603ef12a200bcfd8228729211a50de8c7e44a09d5d3f0abdf27c04d39", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]    Compiling idencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "08819be603ef12a200bcfd8228729211a50de8c7e44a09d5d3f0abdf27c04d39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08819be603ef12a200bcfd8228729211a50de8c7e44a09d5d3f0abdf27c04d39", kill_on_drop: false }`
[INFO] [stdout] 08819be603ef12a200bcfd8228729211a50de8c7e44a09d5d3f0abdf27c04d39
[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] 1647a3319f1c9292e484f630705c7fc651e8e211458a4e6d8deaea95c9306fc8
[INFO] running `Command { std: "docker" "start" "-a" "1647a3319f1c9292e484f630705c7fc651e8e211458a4e6d8deaea95c9306fc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling idencode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find type `Cursor` in this scope
[INFO] [stdout]    --> src/code/global/delta.rs:206:22
[INFO] [stdout]     |
[INFO] [stdout] 206 |         let writer = Cursor::new(vec![]);
[INFO] [stdout]     |                      ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 163 +     use std::io::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cursor` in this scope
[INFO] [stdout]    --> src/code/global/delta.rs:212:36
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let de = DeltaDecoder::new(Cursor::new(result));
[INFO] [stdout]     |                                    ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 163 +     use std::io::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cursor` in this scope
[INFO] [stdout]    --> src/code/global/delta.rs:217:22
[INFO] [stdout]     |
[INFO] [stdout] 217 |         let writer = Cursor::new(vec![]);
[INFO] [stdout]     |                      ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 163 +     use std::io::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: cannot find type `Cursor` in this scope
[INFO] [stdout]    --> src/code/global/delta.rs:223:36
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let de = DeltaDecoder::new(Cursor::new(result));
[INFO] [stdout]     |                                    ^^^^^^ use of undeclared type `Cursor`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 163 +     use std::io::Cursor;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `idencode` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "1647a3319f1c9292e484f630705c7fc651e8e211458a4e6d8deaea95c9306fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1647a3319f1c9292e484f630705c7fc651e8e211458a4e6d8deaea95c9306fc8", kill_on_drop: false }`
[INFO] [stdout] 1647a3319f1c9292e484f630705c7fc651e8e211458a4e6d8deaea95c9306fc8