[INFO] fetching crate phreak_engine 0.1.2...
[INFO] checking phreak_engine-0.1.2 against try#98d5ea1855f1028095b37c493ba31093c8519d68 for pr-69548
[INFO] extracting crate phreak_engine 0.1.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate phreak_engine 0.1.2 on toolchain 98d5ea1855f1028095b37c493ba31093c8519d68
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate phreak_engine 0.1.2
[INFO] finished tweaking crates.io crate phreak_engine 0.1.2
[INFO] tweaked toml for crates.io crate phreak_engine 0.1.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+98d5ea1855f1028095b37c493ba31093c8519d68" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded phreak_rules v0.1.2
[INFO] [stderr]   Downloaded phreak_facts v0.1.2
[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" "+98d5ea1855f1028095b37c493ba31093c8519d68" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a7b5d40981b5ef42bb4b55c76cb18e475d0027bcb1b7029fc9a9a86aad810eba
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "a7b5d40981b5ef42bb4b55c76cb18e475d0027bcb1b7029fc9a9a86aad810eba"`
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking indextree v4.0.0
[INFO] [stderr]     Checking phreak_rules v0.1.2
[INFO] [stderr]    Compiling test-case v1.0.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking compact v0.2.15
[INFO] [stderr]     Checking bitvec v0.17.2
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking phreak_facts v0.1.2
[INFO] [stderr]     Checking phreak_engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `tests`
[INFO] [stderr]     --> src/nodes.rs:1397:30
[INFO] [stderr]      |
[INFO] [stderr] 1397 | ...                   tests: &[JoinNodeTest],
[INFO] [stderr]      |                       ^^^^^ help: consider prefixing with an underscore: `_tests`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tests`
[INFO] [stderr]     --> src/nodes.rs:1397:30
[INFO] [stderr]      |
[INFO] [stderr] 1397 | ...                   tests: &[JoinNodeTest],
[INFO] [stderr]      |                       ^^^^^ help: consider prefixing with an underscore: `_tests`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.76s
[INFO] running `"docker" "inspect" "a7b5d40981b5ef42bb4b55c76cb18e475d0027bcb1b7029fc9a9a86aad810eba"`
[INFO] running `"docker" "rm" "-f" "a7b5d40981b5ef42bb4b55c76cb18e475d0027bcb1b7029fc9a9a86aad810eba"`
[INFO] [stdout] a7b5d40981b5ef42bb4b55c76cb18e475d0027bcb1b7029fc9a9a86aad810eba