[INFO] updating cached repository https://github.com/wfraser/backfs-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ecc8091bf14ea80b15bad124ca0e6b9ac38da93
[INFO] testing wfraser/backfs-rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/backfs-rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wfraser/backfs-rs
[INFO] finished tweaking git repo https://github.com/wfraser/backfs-rs
[INFO] tweaked toml for git repo https://github.com/wfraser/backfs-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/backfs-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b59b6122061932e2daba5841a8a5611fa0b15ad202e2a72c22ed8477a102349
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6b59b6122061932e2daba5841a8a5611fa0b15ad202e2a72c22ed8477a102349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b59b6122061932e2daba5841a8a5611fa0b15ad202e2a72c22ed8477a102349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b59b6122061932e2daba5841a8a5611fa0b15ad202e2a72c22ed8477a102349", kill_on_drop: false }`
[INFO] [stdout] 6b59b6122061932e2daba5841a8a5611fa0b15ad202e2a72c22ed8477a102349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1365537feffb92f892966623e849fbc2bdaacf1ea97c2746f460b5090528a6f4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1365537feffb92f892966623e849fbc2bdaacf1ea97c2746f460b5090528a6f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling daemonize v0.3.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling syslog v3.3.0
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fuse_mt v0.5.0
[INFO] [stderr]    Compiling log-panics v2.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.79s
[INFO] running `Command { std: "docker" "inspect" "1365537feffb92f892966623e849fbc2bdaacf1ea97c2746f460b5090528a6f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1365537feffb92f892966623e849fbc2bdaacf1ea97c2746f460b5090528a6f4", kill_on_drop: false }`
[INFO] [stdout] 1365537feffb92f892966623e849fbc2bdaacf1ea97c2746f460b5090528a6f4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77ee588bad5673f7ee82730e2f70c26b26920fcd2cab56ccc65429be63b5b76c
[INFO] running `Command { std: "docker" "start" "-a" "77ee588bad5673f7ee82730e2f70c26b26920fcd2cab56ccc65429be63b5b76c", kill_on_drop: false }`
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "77ee588bad5673f7ee82730e2f70c26b26920fcd2cab56ccc65429be63b5b76c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77ee588bad5673f7ee82730e2f70c26b26920fcd2cab56ccc65429be63b5b76c", kill_on_drop: false }`
[INFO] [stdout] 77ee588bad5673f7ee82730e2f70c26b26920fcd2cab56ccc65429be63b5b76c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c7c83287693d72698f570df533e24c14ba3f092ddbac375edb356707999bb617
[INFO] running `Command { std: "docker" "start" "-a" "c7c83287693d72698f570df533e24c14ba3f092ddbac375edb356707999bb617", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backfs-8c9a46b3d0fb64bd
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test link::test_absolutepaths ... ok
[INFO] [stdout] test link::test_relpaths ... ok
[INFO] [stdout] test link::test_resolve_path ... ok
[INFO] [stdout] test link::test_invalid_relative_to_absolute ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backfs_rs-64eae701ed96a544
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testlib-142e34120fa1f81a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_fscache_init ... ok
[INFO] [stdout] test test_fscache_block_sizes ... ok
[INFO] [stdout] test test_fscache_out_of_range_read ... ok
[INFO] [stdout] test test_fscache_free_orphans ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests backfs
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7c83287693d72698f570df533e24c14ba3f092ddbac375edb356707999bb617", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c83287693d72698f570df533e24c14ba3f092ddbac375edb356707999bb617", kill_on_drop: false }`
[INFO] [stdout] c7c83287693d72698f570df533e24c14ba3f092ddbac375edb356707999bb617