[INFO] updating cached repository https://github.com/wfraser/backfs-rs
[INFO] running `"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"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d2197c6e00278ef98fbc0ea72aaa5248d994bf77
[INFO] checking wfraser/backfs-rs against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwfraser%2Fbackfs-rs" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wfraser/backfs-rs on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/wfraser/backfs-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66cf3d12204628aa8a92dc9978c68ba6e3fe67a7c3fb4603c4583a7ad441f1e0
[INFO] running `"docker" "start" "-a" "66cf3d12204628aa8a92dc9978c68ba6e3fe67a7c3fb4603c4583a7ad441f1e0"`
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling fuse v0.3.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking log v0.3.9
[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 threadpool v1.7.1
[INFO] [stderr]     Checking syslog v3.3.0
[INFO] [stderr]     Checking fuse_mt v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.14
[INFO] [stderr]     Checking log-panics v2.0.0
[INFO] [stderr]    Compiling backfs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bucket_store.rs:232:76
[INFO] [stderr]     |
[INFO] [stderr] 232 |             "cached_block error opening bucket data file {:?}", data_path);;
[INFO] [stderr]     |                                                                            ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[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: unnecessary trailing semicolon
[INFO] [stderr]    --> src/bucket_store.rs:232:76
[INFO] [stderr]     |
[INFO] [stderr] 232 |             "cached_block error opening bucket data file {:?}", data_path);;
[INFO] [stderr]     |                                                                            ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[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 12.40s
[INFO] running `"docker" "inspect" "66cf3d12204628aa8a92dc9978c68ba6e3fe67a7c3fb4603c4583a7ad441f1e0"`
[INFO] running `"docker" "rm" "-f" "66cf3d12204628aa8a92dc9978c68ba6e3fe67a7c3fb4603c4583a7ad441f1e0"`
[INFO] [stdout] 66cf3d12204628aa8a92dc9978c68ba6e3fe67a7c3fb4603c4583a7ad441f1e0