[INFO] fetching crate primetools 0.1.0...
[INFO] testing primetools-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate primetools 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate primetools 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate primetools 0.1.0
[INFO] finished tweaking crates.io crate primetools 0.1.0
[INFO] tweaked toml for crates.io crate primetools 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 6b71606357da4b5bc8f1f02dc4ca6b6f917bf55043595f80d75c96fe57cd6074
[INFO] running `Command { std: "docker" "start" "-a" "6b71606357da4b5bc8f1f02dc4ca6b6f917bf55043595f80d75c96fe57cd6074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b71606357da4b5bc8f1f02dc4ca6b6f917bf55043595f80d75c96fe57cd6074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b71606357da4b5bc8f1f02dc4ca6b6f917bf55043595f80d75c96fe57cd6074", kill_on_drop: false }`
[INFO] [stdout] 6b71606357da4b5bc8f1f02dc4ca6b6f917bf55043595f80d75c96fe57cd6074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 41e642a86e96133ab8a744eb5c04f5a1d8c87745d9b80922b1ff5a2554f62fbb
[INFO] running `Command { std: "docker" "start" "-a" "41e642a86e96133ab8a744eb5c04f5a1d8c87745d9b80922b1ff5a2554f62fbb", kill_on_drop: false }`
[INFO] [stderr]    Compiling primetools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "41e642a86e96133ab8a744eb5c04f5a1d8c87745d9b80922b1ff5a2554f62fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e642a86e96133ab8a744eb5c04f5a1d8c87745d9b80922b1ff5a2554f62fbb", kill_on_drop: false }`
[INFO] [stdout] 41e642a86e96133ab8a744eb5c04f5a1d8c87745d9b80922b1ff5a2554f62fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b293980376afe1f25a08156475887a2c471bba70b69ee423d6b69c0dc4a7abb
[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" "9b293980376afe1f25a08156475887a2c471bba70b69ee423d6b69c0dc4a7abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling primetools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9b293980376afe1f25a08156475887a2c471bba70b69ee423d6b69c0dc4a7abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b293980376afe1f25a08156475887a2c471bba70b69ee423d6b69c0dc4a7abb", kill_on_drop: false }`
[INFO] [stdout] 9b293980376afe1f25a08156475887a2c471bba70b69ee423d6b69c0dc4a7abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 9ce5e4eadf7fc6d9b6f8406883e5a13510d9eed67f3ee354be26692c8ba0f71b
[INFO] running `Command { std: "docker" "start" "-a" "9ce5e4eadf7fc6d9b6f8406883e5a13510d9eed67f3ee354be26692c8ba0f71b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/primetools-4e7840d4fb3fd92c
[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] [stderr]      Running /opt/rustwide/target/debug/deps/lib-76010d99f5331e2c
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_primesieve ... ok
[INFO] [stdout] test test_primegen ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests primetools
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - PrimeSieve (line 6) ... ok
[INFO] [stdout] test src/lib.rs - PrimeGen (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9ce5e4eadf7fc6d9b6f8406883e5a13510d9eed67f3ee354be26692c8ba0f71b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ce5e4eadf7fc6d9b6f8406883e5a13510d9eed67f3ee354be26692c8ba0f71b", kill_on_drop: false }`
[INFO] [stdout] 9ce5e4eadf7fc6d9b6f8406883e5a13510d9eed67f3ee354be26692c8ba0f71b