[INFO] crate iocutil 0.1.3 is already in cache
[INFO] checking iocutil-0.1.3 against try#662bf71cc5bbfe44a109ab5b7205e12ec319754c for pr-67531
[INFO] extracting crate iocutil 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iocutil 0.1.3 on toolchain 662bf71cc5bbfe44a109ab5b7205e12ec319754c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate iocutil 0.1.3
[INFO] finished tweaking crates.io crate iocutil 0.1.3
[INFO] tweaked toml for crates.io crate iocutil 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate iocutil 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+662bf71cc5bbfe44a109ab5b7205e12ec319754c" "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] e0f42d5ad0f10a103132b92ff3e7ec8fc95e89c6c51a97aad374e288489048a6
[INFO] running `"docker" "start" "-a" "e0f42d5ad0f10a103132b92ff3e7ec8fc95e89c6c51a97aad374e288489048a6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling derive_builder v0.8.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking openssl v0.10.25
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling selectors v0.21.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking native-tls v0.2.3
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.2
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.102
[INFO] [stderr]    Compiling cssparser v0.25.9
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling cssparser-macros v0.3.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.8.1
[INFO] [stderr]     Checking serde v1.0.102
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking reqwest v0.9.22
[INFO] [stderr]    Compiling markup5ever v0.9.0
[INFO] [stderr]     Checking scraper v0.11.0
[INFO] [stderr]     Checking iocutil v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `a1`
[INFO] [stderr]  --> examples/hash.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let a1 = SampleHash::new("d41d8cd98f00b204e9800998ecf8427e").unwrap();
[INFO] [stderr]   |         ^^ help: consider prefixing with an underscore: `_a1`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `"docker" "inspect" "e0f42d5ad0f10a103132b92ff3e7ec8fc95e89c6c51a97aad374e288489048a6"`
[INFO] running `"docker" "rm" "-f" "e0f42d5ad0f10a103132b92ff3e7ec8fc95e89c6c51a97aad374e288489048a6"`
[INFO] [stdout] e0f42d5ad0f10a103132b92ff3e7ec8fc95e89c6c51a97aad374e288489048a6