[INFO] fetching crate sasja_euler 0.1.2...
[INFO] testing sasja_euler-0.1.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate sasja_euler 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate sasja_euler 0.1.2 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sasja_euler 0.1.2
[INFO] finished tweaking crates.io crate sasja_euler 0.1.2
[INFO] tweaked toml for crates.io crate sasja_euler 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] cd2b53f6ee7c03977a7101d8a9ad7073687a86d55fc4119e32ea20800ee12615
[INFO] running `Command { std: "docker" "start" "-a" "cd2b53f6ee7c03977a7101d8a9ad7073687a86d55fc4119e32ea20800ee12615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd2b53f6ee7c03977a7101d8a9ad7073687a86d55fc4119e32ea20800ee12615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2b53f6ee7c03977a7101d8a9ad7073687a86d55fc4119e32ea20800ee12615", kill_on_drop: false }`
[INFO] [stdout] cd2b53f6ee7c03977a7101d8a9ad7073687a86d55fc4119e32ea20800ee12615
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a935e0656648b099e5e6234c443b8c4a12f79779834f3a163bc7c3be34740b7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9a935e0656648b099e5e6234c443b8c4a12f79779834f3a163bc7c3be34740b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling sasja_euler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "9a935e0656648b099e5e6234c443b8c4a12f79779834f3a163bc7c3be34740b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a935e0656648b099e5e6234c443b8c4a12f79779834f3a163bc7c3be34740b7", kill_on_drop: false }`
[INFO] [stdout] 9a935e0656648b099e5e6234c443b8c4a12f79779834f3a163bc7c3be34740b7
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6afae876cdd2ca8b0a8ed939e3fd1423e298aa006a7444c8b876b3de154538be
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6afae876cdd2ca8b0a8ed939e3fd1423e298aa006a7444c8b876b3de154538be", kill_on_drop: false }`
[INFO] [stderr]    Compiling sasja_euler v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "6afae876cdd2ca8b0a8ed939e3fd1423e298aa006a7444c8b876b3de154538be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6afae876cdd2ca8b0a8ed939e3fd1423e298aa006a7444c8b876b3de154538be", kill_on_drop: false }`
[INFO] [stdout] 6afae876cdd2ca8b0a8ed939e3fd1423e298aa006a7444c8b876b3de154538be
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3bafda05927cea0fd9636d0139720ddf44c35506023aceb26bdff7478ca03e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b3bafda05927cea0fd9636d0139720ddf44c35506023aceb26bdff7478ca03e1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sasja_euler-c9a5e8e1f3824f17)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test tests::permutations_1 ... ok
[INFO] [stdout] test tests::permutations_2 ... ok
[INFO] [stdout] test tests::is_prime_positives ... ok
[INFO] [stdout] test tests::is_prime_negatives ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.83s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests sasja_euler
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3bafda05927cea0fd9636d0139720ddf44c35506023aceb26bdff7478ca03e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3bafda05927cea0fd9636d0139720ddf44c35506023aceb26bdff7478ca03e1", kill_on_drop: false }`
[INFO] [stdout] b3bafda05927cea0fd9636d0139720ddf44c35506023aceb26bdff7478ca03e1