[INFO] fetching crate phreak_engine 0.1.2...
[INFO] checking phreak_engine-0.1.2 against master#e2223c94bf433fc38234d1303e88cbaf14755863 for pr-69548
[INFO] extracting crate phreak_engine 0.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate phreak_engine 0.1.2 on toolchain e2223c94bf433fc38234d1303e88cbaf14755863
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e2223c94bf433fc38234d1303e88cbaf14755863" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+e2223c94bf433fc38234d1303e88cbaf14755863" "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] 7a0107f88263c80a84c22989e58835cec9483fe1980c193983e6897c5f6d45ef
[INFO] running `"docker" "start" "-a" "7a0107f88263c80a84c22989e58835cec9483fe1980c193983e6897c5f6d45ef"`
[INFO] [stderr]     Checking simple_allocator_trait v0.1.0
[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]     Checking generational-arena v0.2.7
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]     Checking bitvec v0.17.2
[INFO] [stderr]     Checking primal-check v0.2.3
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking primal v0.2.3
[INFO] [stderr]     Checking compact v0.2.15
[INFO] [stderr]     Checking simple_logger v1.6.0
[INFO] [stderr]     Checking phreak_facts v0.1.2
[INFO] [stderr]     Checking tracing v0.1.13
[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 7.70s
[INFO] running `"docker" "inspect" "7a0107f88263c80a84c22989e58835cec9483fe1980c193983e6897c5f6d45ef"`
[INFO] running `"docker" "rm" "-f" "7a0107f88263c80a84c22989e58835cec9483fe1980c193983e6897c5f6d45ef"`
[INFO] [stdout] 7a0107f88263c80a84c22989e58835cec9483fe1980c193983e6897c5f6d45ef