[INFO] crate prob_prime 0.2.0 is already in cache
[INFO] testing prob_prime-0.2.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate prob_prime 0.2.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate prob_prime 0.2.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate prob_prime 0.2.0
[INFO] finished tweaking crates.io crate prob_prime 0.2.0
[INFO] tweaked toml for crates.io crate prob_prime 0.2.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-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" "+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] ddb9b79f05ccea0bc0469e51758452e45ce720266f073f9e2eeafb2611c202f0
[INFO] running `"docker" "start" "-a" "ddb9b79f05ccea0bc0469e51758452e45ce720266f073f9e2eeafb2611c202f0"`
[INFO] [stderr]    Compiling modular_arithmetic v0.2.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling prob_prime v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `"docker" "inspect" "ddb9b79f05ccea0bc0469e51758452e45ce720266f073f9e2eeafb2611c202f0"`
[INFO] running `"docker" "rm" "-f" "ddb9b79f05ccea0bc0469e51758452e45ce720266f073f9e2eeafb2611c202f0"`
[INFO] [stdout] ddb9b79f05ccea0bc0469e51758452e45ce720266f073f9e2eeafb2611c202f0
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3579ec37590e589197479f954d06335b58de58360f75cc2400d6512a564a1441
[INFO] running `"docker" "start" "-a" "3579ec37590e589197479f954d06335b58de58360f75cc2400d6512a564a1441"`
[INFO] [stderr]    Compiling prob_prime v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "3579ec37590e589197479f954d06335b58de58360f75cc2400d6512a564a1441"`
[INFO] running `"docker" "rm" "-f" "3579ec37590e589197479f954d06335b58de58360f75cc2400d6512a564a1441"`
[INFO] [stdout] 3579ec37590e589197479f954d06335b58de58360f75cc2400d6512a564a1441
[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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stdout] 07b129ef21f2d497cdf8d2212d355df0bb681ec3ec0bab821e810fa3b4e5c37e
[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" "07b129ef21f2d497cdf8d2212d355df0bb681ec3ec0bab821e810fa3b4e5c37e"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/prob_prime-482b1e771737f196
[INFO] [stderr]    Doc-tests prob_prime
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "07b129ef21f2d497cdf8d2212d355df0bb681ec3ec0bab821e810fa3b4e5c37e"`
[INFO] running `"docker" "rm" "-f" "07b129ef21f2d497cdf8d2212d355df0bb681ec3ec0bab821e810fa3b4e5c37e"`
[INFO] [stdout] 07b129ef21f2d497cdf8d2212d355df0bb681ec3ec0bab821e810fa3b4e5c37e