[INFO] updating cached repository wfraser/backfs-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/wfraser/backfs-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/wfraser/backfs-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/wfraser/backfs-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/wfraser/backfs-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wfraser/backfs-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2197c6e00278ef98fbc0ea72aaa5248d994bf77
[INFO] sha for GitHub repo wfraser/backfs-rs: d2197c6e00278ef98fbc0ea72aaa5248d994bf77
[INFO] validating manifest of wfraser/backfs-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wfraser/backfs-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing wfraser/backfs-rs
[INFO] finished frobbing wfraser/backfs-rs
[INFO] frobbed toml for wfraser/backfs-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/wfraser/backfs-rs/Cargo.toml
[INFO] started frobbing wfraser/backfs-rs
[INFO] finished frobbing wfraser/backfs-rs
[INFO] frobbed toml for wfraser/backfs-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs/Cargo.toml
[INFO] crate wfraser/backfs-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing wfraser/backfs-rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c223c5b8bf8561386ebf45a2906a0fc556080dc92fcbf51087be1210fdf7a56a
[INFO] running `"docker" "start" "-a" "c223c5b8bf8561386ebf45a2906a0fc556080dc92fcbf51087be1210fdf7a56a"`
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling daemonize v0.3.0
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling syslog v3.3.0
[INFO] [stderr]    Compiling fuse_mt v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling log-panics v2.0.0
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn starts_with(&self, s: &AsBytes) -> bool;
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/osstrextras.rs:126:31
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn starts_with(&self, s: &AsBytes) -> bool;
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/osstrextras.rs:126:31
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.01s
[INFO] running `"docker" "inspect" "c223c5b8bf8561386ebf45a2906a0fc556080dc92fcbf51087be1210fdf7a56a"`
[INFO] running `"docker" "rm" "-f" "c223c5b8bf8561386ebf45a2906a0fc556080dc92fcbf51087be1210fdf7a56a"`
[INFO] [stdout] c223c5b8bf8561386ebf45a2906a0fc556080dc92fcbf51087be1210fdf7a56a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] cbca69ce3601c0083efa29698caf570e8e22c69e18f7ab74dae0e0d7eefb124a
[INFO] running `"docker" "start" "-a" "cbca69ce3601c0083efa29698caf570e8e22c69e18f7ab74dae0e0d7eefb124a"`
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn starts_with(&self, s: &AsBytes) -> bool;
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/osstrextras.rs:126:31
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:86:31
[INFO] [stderr]    |
[INFO] [stderr] 86 |     fn starts_with(&self, s: &AsBytes) -> bool;
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/osstrextras.rs:96:31
[INFO] [stderr]    |
[INFO] [stderr] 96 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]    |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/osstrextras.rs:126:31
[INFO] [stderr]     |
[INFO] [stderr] 126 |     fn starts_with(&self, s: &AsBytes) -> bool {
[INFO] [stderr]     |                               ^^^^^^^ help: use `dyn`: `dyn AsBytes`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `"docker" "inspect" "cbca69ce3601c0083efa29698caf570e8e22c69e18f7ab74dae0e0d7eefb124a"`
[INFO] running `"docker" "rm" "-f" "cbca69ce3601c0083efa29698caf570e8e22c69e18f7ab74dae0e0d7eefb124a"`
[INFO] [stdout] cbca69ce3601c0083efa29698caf570e8e22c69e18f7ab74dae0e0d7eefb124a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/wfraser/backfs-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2a5967d70398c6a01b6007318be37b671bde58c432d8fd3e1a32cee9ec39d1dd
[INFO] running `"docker" "start" "-a" "2a5967d70398c6a01b6007318be37b671bde58c432d8fd3e1a32cee9ec39d1dd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/backfs-0e5bd52e930c699f
[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/crater/target/debug/deps/backfs_rs-f334f61e279ff253
[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/crater/target/debug/deps/testlib-e5af33774a0e925a
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_fscache_init ... ok
[INFO] [stdout] test test_fscache_out_of_range_read ... ok
[INFO] [stdout] test test_fscache_free_orphans ... ok
[INFO] [stdout] test test_fscache_block_sizes ... 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 `"docker" "inspect" "2a5967d70398c6a01b6007318be37b671bde58c432d8fd3e1a32cee9ec39d1dd"`
[INFO] running `"docker" "rm" "-f" "2a5967d70398c6a01b6007318be37b671bde58c432d8fd3e1a32cee9ec39d1dd"`
[INFO] [stdout] 2a5967d70398c6a01b6007318be37b671bde58c432d8fd3e1a32cee9ec39d1dd