[INFO] cloning 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" "clone" "--bare" "https://github.com/wfraser/backfs-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ba92548194e5aed7becd268bf9a0a24ea9b9c80
[INFO] testing wfraser/backfs-rs against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/backfs-rs on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-0/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54ede1377900c2b1872ace1d14b959f66a3accbac510df03dba6e8066e18d041
[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" "54ede1377900c2b1872ace1d14b959f66a3accbac510df03dba6e8066e18d041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54ede1377900c2b1872ace1d14b959f66a3accbac510df03dba6e8066e18d041", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54ede1377900c2b1872ace1d14b959f66a3accbac510df03dba6e8066e18d041", kill_on_drop: false }`
[INFO] [stdout] 54ede1377900c2b1872ace1d14b959f66a3accbac510df03dba6e8066e18d041
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71c75ab393c58671247024805ff1e85bc2a9966f8f3404b57b7648e33fe876e2
[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" "71c75ab393c58671247024805ff1e85bc2a9966f8f3404b57b7648e33fe876e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling object v0.22.0
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling unix_socket v0.5.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling syslog v3.3.0
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling fuse_mt v0.5.1
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling log-panics v2.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.72s
[INFO] running `Command { std: "docker" "inspect" "71c75ab393c58671247024805ff1e85bc2a9966f8f3404b57b7648e33fe876e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71c75ab393c58671247024805ff1e85bc2a9966f8f3404b57b7648e33fe876e2", kill_on_drop: false }`
[INFO] [stdout] 71c75ab393c58671247024805ff1e85bc2a9966f8f3404b57b7648e33fe876e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3536ac8997c47b3bf6d6288b2e563353768bda6f1463a01f3256a08c720eb4cc
[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" "3536ac8997c47b3bf6d6288b2e563353768bda6f1463a01f3256a08c720eb4cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.36s
[INFO] running `Command { std: "docker" "inspect" "3536ac8997c47b3bf6d6288b2e563353768bda6f1463a01f3256a08c720eb4cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3536ac8997c47b3bf6d6288b2e563353768bda6f1463a01f3256a08c720eb4cc", kill_on_drop: false }`
[INFO] [stdout] 3536ac8997c47b3bf6d6288b2e563353768bda6f1463a01f3256a08c720eb4cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3a39d269906a78d3e39033d12e8da273383b9c0b70226f8f2ffd67c1fe62f2eb
[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" "3a39d269906a78d3e39033d12e8da273383b9c0b70226f8f2ffd67c1fe62f2eb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/backfs-8ab23bc7029ae68a
[INFO] [stdout] running 4 tests
[INFO] [stdout] test link::test_absolutepaths ... ok
[INFO] [stdout] test link::test_resolve_path ... ok
[INFO] [stdout] test link::test_relpaths ... 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-0bfe9c704c46190a
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/testlib-e4af06b5d58006d6
[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] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests backfs
[INFO] [stdout] test test_fscache_free_orphans ... ok
[INFO] [stdout] test test_fscache_block_sizes ... ok
[INFO] [stdout] test test_fscache_init ... ok
[INFO] [stdout] test test_fscache_out_of_range_read ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "3a39d269906a78d3e39033d12e8da273383b9c0b70226f8f2ffd67c1fe62f2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a39d269906a78d3e39033d12e8da273383b9c0b70226f8f2ffd67c1fe62f2eb", kill_on_drop: false }`
[INFO] [stdout] 3a39d269906a78d3e39033d12e8da273383b9c0b70226f8f2ffd67c1fe62f2eb