[INFO] updating cached repository https://github.com/dangerousplay/opa-rust-jvm-tests
[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] e4cdd58ee2233e4b9fbc7f44f595a27e8b8d23eb
[INFO] checking dangerousplay/opa-rust-jvm-tests against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdangerousplay%2Fopa-rust-jvm-tests" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dangerousplay/opa-rust-jvm-tests on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/dangerousplay/opa-rust-jvm-tests
[INFO] finished tweaking git repo https://github.com/dangerousplay/opa-rust-jvm-tests
[INFO] tweaked toml for git repo https://github.com/dangerousplay/opa-rust-jvm-tests written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/dangerousplay/opa-rust-jvm-tests already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "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] 9d1741c484767a29e32034184bec42ca65e01b8b9d4a94677f3e49890cb59ebd
[INFO] running `"docker" "start" "-a" "9d1741c484767a29e32034184bec42ca65e01b8b9d4a94677f3e49890cb59ebd"`
[INFO] [stderr]    Compiling syn v0.15.37
[INFO] [stderr]    Compiling serde v1.0.92
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking atomic v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling backtrace v0.3.31
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking quote v0.6.12
[INFO] [stderr]     Checking flate2 v1.0.9
[INFO] [stderr]     Checking color-backtrace v0.2.0
[INFO] [stderr]     Checking hdrhistogram v6.2.0
[INFO] [stderr]    Compiling derive_utils v0.6.3
[INFO] [stderr]    Compiling auto_enums_derive v0.4.1
[INFO] [stderr]    Compiling auto_enums_core v0.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]     Checking auto_enums v0.4.1
[INFO] [stderr]    Compiling synattra v0.1.1
[INFO] [stderr]    Compiling aspect-weave v0.1.1
[INFO] [stderr]     Checking aspect v0.1.1
[INFO] [stderr]    Compiling metered-macro v0.2.0
[INFO] [stderr]     Checking metered v0.2.1
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking metrics-actix-poc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x = unsafe { &**bo };
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let x = unsafe { &**bo };
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "9d1741c484767a29e32034184bec42ca65e01b8b9d4a94677f3e49890cb59ebd"`
[INFO] running `"docker" "rm" "-f" "9d1741c484767a29e32034184bec42ca65e01b8b9d4a94677f3e49890cb59ebd"`
[INFO] [stdout] 9d1741c484767a29e32034184bec42ca65e01b8b9d4a94677f3e49890cb59ebd