[INFO] fetching crate efron_numbertheory 0.3.1...
[INFO] testing efron_numbertheory-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate efron_numbertheory 0.3.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate efron_numbertheory 0.3.1 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 efron_numbertheory 0.3.1
[INFO] finished tweaking crates.io crate efron_numbertheory 0.3.1
[INFO] tweaked toml for crates.io crate efron_numbertheory 0.3.1 written to /workspace/builds/worker-7/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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/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] e493ba0c553a1e7d8ed526b084aa4f1792f20a59cea8dd1e8a967d5d89d2b69e
[INFO] running `Command { std: "docker" "start" "-a" "e493ba0c553a1e7d8ed526b084aa4f1792f20a59cea8dd1e8a967d5d89d2b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e493ba0c553a1e7d8ed526b084aa4f1792f20a59cea8dd1e8a967d5d89d2b69e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e493ba0c553a1e7d8ed526b084aa4f1792f20a59cea8dd1e8a967d5d89d2b69e", kill_on_drop: false }`
[INFO] [stdout] e493ba0c553a1e7d8ed526b084aa4f1792f20a59cea8dd1e8a967d5d89d2b69e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe67ae51645782fdc0b232b35d72a39bcfb01f4f15a05a9daf68d188ef75d0a
[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" "3fe67ae51645782fdc0b232b35d72a39bcfb01f4f15a05a9daf68d188ef75d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling efron_numbertheory v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "3fe67ae51645782fdc0b232b35d72a39bcfb01f4f15a05a9daf68d188ef75d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe67ae51645782fdc0b232b35d72a39bcfb01f4f15a05a9daf68d188ef75d0a", kill_on_drop: false }`
[INFO] [stdout] 3fe67ae51645782fdc0b232b35d72a39bcfb01f4f15a05a9daf68d188ef75d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 253da99c794a6ef6cd79278839e249664b05973756b2fda2c962e6c1bd66a5aa
[INFO] running `Command { std: "docker" "start" "-a" "253da99c794a6ef6cd79278839e249664b05973756b2fda2c962e6c1bd66a5aa", kill_on_drop: false }`
[INFO] [stderr]    Compiling efron_numbertheory v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "253da99c794a6ef6cd79278839e249664b05973756b2fda2c962e6c1bd66a5aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253da99c794a6ef6cd79278839e249664b05973756b2fda2c962e6c1bd66a5aa", kill_on_drop: false }`
[INFO] [stdout] 253da99c794a6ef6cd79278839e249664b05973756b2fda2c962e6c1bd66a5aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43b79973d38ff0b4491b39f5b15774223b9228ff53676b2206c2545bc6d2e406
[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" "43b79973d38ff0b4491b39f5b15774223b9228ff53676b2206c2545bc6d2e406", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/efron_numbertheory-1a759923127ee487
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_count_divisors ... ok
[INFO] [stdout] test tests::test_factors_into_u64 ... ok
[INFO] [stdout] test tests::test_gcd ... ok
[INFO] [stdout] test tests::test_primes_under ... ok
[INFO] [stdout] test tests::test_totient ... ok
[INFO] [stdout] test tests::test_lcm ... ok
[INFO] [stdout] test tests::test_primes_first_n ... ok
[INFO] [stdout] test tests::test_factors ... ok
[INFO] [stdout] test tests::test_mul ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests efron_numbertheory
[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 `Command { std: "docker" "inspect" "43b79973d38ff0b4491b39f5b15774223b9228ff53676b2206c2545bc6d2e406", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43b79973d38ff0b4491b39f5b15774223b9228ff53676b2206c2545bc6d2e406", kill_on_drop: false }`
[INFO] [stdout] 43b79973d38ff0b4491b39f5b15774223b9228ff53676b2206c2545bc6d2e406