[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/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/wfraser/backfs-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/wfraser/backfs-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/wfraser/backfs-rs" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/wfraser/backfs-rs"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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 master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of wfraser/backfs-rs on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "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/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking wfraser/backfs-rs against master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7 for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/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=forbid" "-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" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1360265444dd633760012bec900765dd2471ca5a9764865c5b9ff058d10f84a6
[INFO] running `"docker" "start" "-a" "1360265444dd633760012bec900765dd2471ca5a9764865c5b9ff058d10f84a6"`
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking daemonize v0.3.0
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking fuse_mt v0.5.0
[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] 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 9.31s
[INFO] running `"docker" "inspect" "1360265444dd633760012bec900765dd2471ca5a9764865c5b9ff058d10f84a6"`
[INFO] running `"docker" "rm" "-f" "1360265444dd633760012bec900765dd2471ca5a9764865c5b9ff058d10f84a6"`
[INFO] [stdout] 1360265444dd633760012bec900765dd2471ca5a9764865c5b9ff058d10f84a6