[INFO] fetching crate sapling 0.1.0...
[INFO] testing sapling-0.1.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate sapling 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate sapling 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sapling 0.1.0
[INFO] tweaked toml for crates.io crate sapling 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sapling 0.1.0 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] crate crates.io crate sapling 0.1.0 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e29a4c854795dfdc3e4a6f3d9b940753f6b0020441f9b03f43bbe159a39fa65f
[INFO] running `Command { std: "docker" "start" "-a" "e29a4c854795dfdc3e4a6f3d9b940753f6b0020441f9b03f43bbe159a39fa65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e29a4c854795dfdc3e4a6f3d9b940753f6b0020441f9b03f43bbe159a39fa65f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29a4c854795dfdc3e4a6f3d9b940753f6b0020441f9b03f43bbe159a39fa65f", kill_on_drop: false }`
[INFO] [stdout] e29a4c854795dfdc3e4a6f3d9b940753f6b0020441f9b03f43bbe159a39fa65f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a623338bb9e2665cdb913cd2f5d4c9924f87d7b05807041d8203e43e01e8d06c
[INFO] running `Command { std: "docker" "start" "-a" "a623338bb9e2665cdb913cd2f5d4c9924f87d7b05807041d8203e43e01e8d06c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling impls v1.0.3
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling mutants v0.0.3
[INFO] [stderr]    Compiling shadow_counted v0.4.0
[INFO] [stderr]    Compiling owo-colors v4.2.3
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling lexical-util v1.0.7
[INFO] [stderr]    Compiling facet-core v0.30.0
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling ariadne v0.5.1
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling lexical-parse-integer v1.0.6
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling lexical-parse-float v1.0.6
[INFO] [stderr]    Compiling unsynn v0.1.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling facet-macros-parse v0.30.0
[INFO] [stderr]    Compiling facet-macros-emit v0.30.0
[INFO] [stderr]    Compiling facet-macros v0.30.0
[INFO] [stderr]    Compiling facet-reflect v0.30.0
[INFO] [stderr]    Compiling facet v0.30.0
[INFO] [stderr]    Compiling facet-deserialize v0.30.0
[INFO] [stderr]    Compiling facet-serialize v0.30.0
[INFO] [stderr]    Compiling facet-json v0.30.0
[INFO] [stderr]    Compiling sapling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.01s
[INFO] running `Command { std: "docker" "inspect" "a623338bb9e2665cdb913cd2f5d4c9924f87d7b05807041d8203e43e01e8d06c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a623338bb9e2665cdb913cd2f5d4c9924f87d7b05807041d8203e43e01e8d06c", kill_on_drop: false }`
[INFO] [stdout] a623338bb9e2665cdb913cd2f5d4c9924f87d7b05807041d8203e43e01e8d06c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 856b2d1c37a3a7e03e9d3b87d6a65a1f401c4db9a88e4e30472ee0de83c94238
[INFO] running `Command { std: "docker" "start" "-a" "856b2d1c37a3a7e03e9d3b87d6a65a1f401c4db9a88e4e30472ee0de83c94238", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v2.10.0
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling predicates-core v1.0.9
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling float-cmp v0.10.0
[INFO] [stderr]    Compiling linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling assert_cmd v2.1.1
[INFO] [stderr]    Compiling difflib v0.4.0
[INFO] [stderr]    Compiling facet-core v0.30.0
[INFO] [stderr]    Compiling termtree v0.5.1
[INFO] [stderr]    Compiling normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling wait-timeout v0.2.1
[INFO] [stderr]    Compiling predicates-tree v1.0.12
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling facet-reflect v0.30.0
[INFO] [stderr]    Compiling facet v0.30.0
[INFO] [stderr]    Compiling facet-serialize v0.30.0
[INFO] [stderr]    Compiling facet-deserialize v0.30.0
[INFO] [stderr]    Compiling facet-json v0.30.0
[INFO] [stderr]    Compiling sapling v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling predicates v3.1.3
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 28.59s
[INFO] running `Command { std: "docker" "inspect" "856b2d1c37a3a7e03e9d3b87d6a65a1f401c4db9a88e4e30472ee0de83c94238", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "856b2d1c37a3a7e03e9d3b87d6a65a1f401c4db9a88e4e30472ee0de83c94238", kill_on_drop: false }`
[INFO] [stdout] 856b2d1c37a3a7e03e9d3b87d6a65a1f401c4db9a88e4e30472ee0de83c94238
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e588105a7ebcfb4c94f48b4c94c960ff95e9790647d42c48d9c4a66ee16c8b46
[INFO] running `Command { std: "docker" "start" "-a" "e588105a7ebcfb4c94f48b4c94c960ff95e9790647d42c48d9c4a66ee16c8b46", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/sapling-fe027c90ab23a0ac)
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 2 tests
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/sapling-fe027c90ab23a0ac` (exit status: 1)
[INFO] [stderr] note: test exited abnormally; to see the full output pass --no-capture to the harness.
[INFO] running `Command { std: "docker" "inspect" "e588105a7ebcfb4c94f48b4c94c960ff95e9790647d42c48d9c4a66ee16c8b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e588105a7ebcfb4c94f48b4c94c960ff95e9790647d42c48d9c4a66ee16c8b46", kill_on_drop: false }`
[INFO] [stdout] e588105a7ebcfb4c94f48b4c94c960ff95e9790647d42c48d9c4a66ee16c8b46
