[INFO] updating cached repository https://github.com/jalalazimi/rust-zoo
[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] 7682244343669eb0ff806f87d0294de8ad89270b
[INFO] testing jalalazimi/rust-zoo against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjalalazimi%2Frust-zoo" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jalalazimi/rust-zoo on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jalalazimi/rust-zoo
[INFO] finished tweaking git repo https://github.com/jalalazimi/rust-zoo
[INFO] tweaked toml for git repo https://github.com/jalalazimi/rust-zoo written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jalalazimi/rust-zoo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 666cf9f3f7b11c41bd0175bd8f5948a11a929ce0297539c27ced217e96c746d9
[INFO] running `"docker" "start" "-a" "666cf9f3f7b11c41bd0175bd8f5948a11a929ce0297539c27ced217e96c746d9"`
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "666cf9f3f7b11c41bd0175bd8f5948a11a929ce0297539c27ced217e96c746d9"`
[INFO] running `"docker" "rm" "-f" "666cf9f3f7b11c41bd0175bd8f5948a11a929ce0297539c27ced217e96c746d9"`
[INFO] [stdout] 666cf9f3f7b11c41bd0175bd8f5948a11a929ce0297539c27ced217e96c746d9
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 373a915868fcc876980773f3c6c4d9d7e6dfe4c56259772a52638a50fbf3ab0a
[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" "373a915868fcc876980773f3c6c4d9d7e6dfe4c56259772a52638a50fbf3ab0a"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-zoo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stderr]   |
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `"docker" "inspect" "373a915868fcc876980773f3c6c4d9d7e6dfe4c56259772a52638a50fbf3ab0a"`
[INFO] running `"docker" "rm" "-f" "373a915868fcc876980773f3c6c4d9d7e6dfe4c56259772a52638a50fbf3ab0a"`
[INFO] [stdout] 373a915868fcc876980773f3c6c4d9d7e6dfe4c56259772a52638a50fbf3ab0a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7f94fa1446a730cc807cdf11bcb5a3279eb681f40cf47e69ebe1a9b19c5606bc
[INFO] running `"docker" "start" "-a" "7f94fa1446a730cc807cdf11bcb5a3279eb681f40cf47e69ebe1a9b19c5606bc"`
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `is_prime` is never read
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/primes.rs:4:13
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr] 4 |         let mut is_prime: bool = true;
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_zoo-bf2732461b748613
[INFO] running `"docker" "inspect" "7f94fa1446a730cc807cdf11bcb5a3279eb681f40cf47e69ebe1a9b19c5606bc"`
[INFO] running `"docker" "rm" "-f" "7f94fa1446a730cc807cdf11bcb5a3279eb681f40cf47e69ebe1a9b19c5606bc"`
[INFO] [stdout] 7f94fa1446a730cc807cdf11bcb5a3279eb681f40cf47e69ebe1a9b19c5606bc