[INFO] fetching crate zrd 0.1.2...
[INFO] testing zrd-0.1.2 against beta-2026-04-21 for beta-1.96-3
[INFO] extracting crate zrd 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zrd 0.1.2
[INFO] finished tweaking crates.io crate zrd 0.1.2
[INFO] tweaked toml for crates.io crate zrd 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zrd 0.1.2 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 crates.io crate zrd 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c0c6dcdf9b38476521b52febc1b5dfc27f426e78700ebfe5e80cf68ef8d91dc7
[INFO] running `Command { std: "docker" "start" "-a" "c0c6dcdf9b38476521b52febc1b5dfc27f426e78700ebfe5e80cf68ef8d91dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0c6dcdf9b38476521b52febc1b5dfc27f426e78700ebfe5e80cf68ef8d91dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0c6dcdf9b38476521b52febc1b5dfc27f426e78700ebfe5e80cf68ef8d91dc7", kill_on_drop: false }`
[INFO] [stdout] c0c6dcdf9b38476521b52febc1b5dfc27f426e78700ebfe5e80cf68ef8d91dc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dc5f18904c4ceea68181ae849697625c8f1a336322e436e3a866107b190cbd1d
[INFO] running `Command { std: "docker" "start" "-a" "dc5f18904c4ceea68181ae849697625c8f1a336322e436e3a866107b190cbd1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling itertools v0.13.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling cassowary v0.3.0
[INFO] [stderr]    Compiling zrd-core v0.1.2
[INFO] [stderr]    Compiling hashbrown v0.15.5
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling castaway v0.2.4
[INFO] [stderr]    Compiling compact_str v0.7.1
[INFO] [stderr]    Compiling lru v0.12.5
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling inotify v0.9.6
[INFO] [stderr]    Compiling unicode-truncate v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling notify v6.1.1
[INFO] [stderr]    Compiling crossterm v0.27.0
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling stability v0.2.1
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling ratatui v0.26.3
[INFO] [stderr]    Compiling zrd v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.28s
[INFO] running `Command { std: "docker" "inspect" "dc5f18904c4ceea68181ae849697625c8f1a336322e436e3a866107b190cbd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc5f18904c4ceea68181ae849697625c8f1a336322e436e3a866107b190cbd1d", kill_on_drop: false }`
[INFO] [stdout] dc5f18904c4ceea68181ae849697625c8f1a336322e436e3a866107b190cbd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b50aae7f4f826bc8111e120070003c6552c672e0df19e1f5808c5518eb4b4554
[INFO] running `Command { std: "docker" "start" "-a" "b50aae7f4f826bc8111e120070003c6552c672e0df19e1f5808c5518eb4b4554", kill_on_drop: false }`
[INFO] [stderr]    Compiling zrd v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "b50aae7f4f826bc8111e120070003c6552c672e0df19e1f5808c5518eb4b4554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b50aae7f4f826bc8111e120070003c6552c672e0df19e1f5808c5518eb4b4554", kill_on_drop: false }`
[INFO] [stdout] b50aae7f4f826bc8111e120070003c6552c672e0df19e1f5808c5518eb4b4554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cc83ac0273eaae19192597e56816b22439ebe44b3e019f8fd7d96ec2fbd66f8a
[INFO] running `Command { std: "docker" "start" "-a" "cc83ac0273eaae19192597e56816b22439ebe44b3e019f8fd7d96ec2fbd66f8a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zrd-e2bd8d3742c13171)
[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" "cc83ac0273eaae19192597e56816b22439ebe44b3e019f8fd7d96ec2fbd66f8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc83ac0273eaae19192597e56816b22439ebe44b3e019f8fd7d96ec2fbd66f8a", kill_on_drop: false }`
[INFO] [stdout] cc83ac0273eaae19192597e56816b22439ebe44b3e019f8fd7d96ec2fbd66f8a