[INFO] updating cached repository https://github.com/SerhoLiu/fakio
[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] 4ebfb53712a2ab19bc69fa64a65529cb8c9f0bb7
[INFO] checking SerhoLiu/fakio against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSerhoLiu%2Ffakio" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SerhoLiu/fakio on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SerhoLiu/fakio
[INFO] finished tweaking git repo https://github.com/SerhoLiu/fakio
[INFO] tweaked toml for git repo https://github.com/SerhoLiu/fakio written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/SerhoLiu/fakio already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] bf87fabb19745341726b4ac93786cac501f73acff6634731b4c9acba8a9b10ec
[INFO] running `"docker" "start" "-a" "bf87fabb19745341726b4ac93786cac501f73acff6634731b4c9acba8a9b10ec"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]     Checking env_logger v0.5.11
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking tokio-fs v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]     Checking fakio v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/util.rs:120:27
[INFO] [stderr]     |
[INFO] [stderr] 120 |         if let Some(hd) = env::home_dir() {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:16:44
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub type Result<T> = result::Result<T, Box<error::Error>>;
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]    --> src/util.rs:120:27
[INFO] [stderr]     |
[INFO] [stderr] 120 |         if let Some(hd) = env::home_dir() {
[INFO] [stderr]     |                           ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 45.22s
[INFO] running `"docker" "inspect" "bf87fabb19745341726b4ac93786cac501f73acff6634731b4c9acba8a9b10ec"`
[INFO] running `"docker" "rm" "-f" "bf87fabb19745341726b4ac93786cac501f73acff6634731b4c9acba8a9b10ec"`
[INFO] [stdout] bf87fabb19745341726b4ac93786cac501f73acff6634731b4c9acba8a9b10ec