[INFO] fetching crate snapshotfs 0.4.2...
[INFO] testing snapshotfs-0.4.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate snapshotfs 0.4.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate snapshotfs 0.4.2
[INFO] finished tweaking crates.io crate snapshotfs 0.4.2
[INFO] tweaked toml for crates.io crate snapshotfs 0.4.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate snapshotfs 0.4.2 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate snapshotfs 0.4.2 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 64e439d1585f9e17341456e855c473f6ef00afb8f0bcf1ff7dfed033e871d47e
[INFO] running `Command { std: "docker" "start" "-a" "64e439d1585f9e17341456e855c473f6ef00afb8f0bcf1ff7dfed033e871d47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64e439d1585f9e17341456e855c473f6ef00afb8f0bcf1ff7dfed033e871d47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e439d1585f9e17341456e855c473f6ef00afb8f0bcf1ff7dfed033e871d47e", kill_on_drop: false }`
[INFO] [stdout] 64e439d1585f9e17341456e855c473f6ef00afb8f0bcf1ff7dfed033e871d47e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba57e339cbf57f94a2edd5177b10eebb87b1bd6b8a8d96fd293f2f83053efee7
[INFO] running `Command { std: "docker" "start" "-a" "ba57e339cbf57f94a2edd5177b10eebb87b1bd6b8a8d96fd293f2f83053efee7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.142
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling io-lifetimes v1.0.10
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling rustix v0.37.14
[INFO] [stderr]    Compiling linux-raw-sys v0.3.4
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling anstyle v1.0.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling fuser v0.12.0
[INFO] [stderr]    Compiling anyhow v1.0.78
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling clap_lex v0.4.1
[INFO] [stderr]    Compiling once_cell v1.17.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling aho-corasick v1.0.1
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling filetime v0.2.21
[INFO] [stderr]    Compiling page_size v0.4.2
[INFO] [stderr]    Compiling users v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling xattr v0.2.3
[INFO] [stderr]    Compiling daemonize v0.5.0
[INFO] [stderr]    Compiling tar v0.4.38
[INFO] [stderr]    Compiling zerocopy-derive v0.3.2
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling zerocopy v0.6.1
[INFO] [stderr]    Compiling is-terminal v0.4.7
[INFO] [stderr]    Compiling anstream v0.3.0
[INFO] [stderr]    Compiling clap_builder v4.2.4
[INFO] [stderr]    Compiling clap_derive v4.2.0
[INFO] [stderr]    Compiling clap v4.2.4
[INFO] [stderr]    Compiling snapshotfs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.24s
[INFO] running `Command { std: "docker" "inspect" "ba57e339cbf57f94a2edd5177b10eebb87b1bd6b8a8d96fd293f2f83053efee7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba57e339cbf57f94a2edd5177b10eebb87b1bd6b8a8d96fd293f2f83053efee7", kill_on_drop: false }`
[INFO] [stdout] ba57e339cbf57f94a2edd5177b10eebb87b1bd6b8a8d96fd293f2f83053efee7
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de2d29420600d15bc9a4de0823d81d717a20ff373c50824885b4643a9c71f057
[INFO] running `Command { std: "docker" "start" "-a" "de2d29420600d15bc9a4de0823d81d717a20ff373c50824885b4643a9c71f057", kill_on_drop: false }`
[INFO] [stderr]    Compiling snapshotfs v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "de2d29420600d15bc9a4de0823d81d717a20ff373c50824885b4643a9c71f057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de2d29420600d15bc9a4de0823d81d717a20ff373c50824885b4643a9c71f057", kill_on_drop: false }`
[INFO] [stdout] de2d29420600d15bc9a4de0823d81d717a20ff373c50824885b4643a9c71f057
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9fb3bf9b8f428ea5fcb19a1a70cd0aab87e0c10032d32ef23f33c13aff8bd1f7
[INFO] running `Command { std: "docker" "start" "-a" "9fb3bf9b8f428ea5fcb19a1a70cd0aab87e0c10032d32ef23f33c13aff8bd1f7", 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/snapshotfs-f97c8d59f91a2926)
[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" "9fb3bf9b8f428ea5fcb19a1a70cd0aab87e0c10032d32ef23f33c13aff8bd1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fb3bf9b8f428ea5fcb19a1a70cd0aab87e0c10032d32ef23f33c13aff8bd1f7", kill_on_drop: false }`
[INFO] [stdout] 9fb3bf9b8f428ea5fcb19a1a70cd0aab87e0c10032d32ef23f33c13aff8bd1f7