[INFO] fetching crate digits_iterator 0.1.0...
[INFO] testing digits_iterator-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate digits_iterator 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate digits_iterator 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 digits_iterator 0.1.0
[INFO] finished tweaking crates.io crate digits_iterator 0.1.0
[INFO] tweaked toml for crates.io crate digits_iterator 0.1.0 written to /workspace/builds/worker-9/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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] bdcaa9cd813f5ca390415247283a81f130ebe5fe308f285868459545f55264c8
[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" "bdcaa9cd813f5ca390415247283a81f130ebe5fe308f285868459545f55264c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdcaa9cd813f5ca390415247283a81f130ebe5fe308f285868459545f55264c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdcaa9cd813f5ca390415247283a81f130ebe5fe308f285868459545f55264c8", kill_on_drop: false }`
[INFO] [stdout] bdcaa9cd813f5ca390415247283a81f130ebe5fe308f285868459545f55264c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] f7f57f29f3e825b53a092b96cb43e871c302950eefbaf761b367730963705be1
[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" "f7f57f29f3e825b53a092b96cb43e871c302950eefbaf761b367730963705be1", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "f7f57f29f3e825b53a092b96cb43e871c302950eefbaf761b367730963705be1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7f57f29f3e825b53a092b96cb43e871c302950eefbaf761b367730963705be1", kill_on_drop: false }`
[INFO] [stdout] f7f57f29f3e825b53a092b96cb43e871c302950eefbaf761b367730963705be1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 77b180dbbab345191b2d063f8bc3efa6421b9fc47000de130c47b934fa343a98
[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" "77b180dbbab345191b2d063f8bc3efa6421b9fc47000de130c47b934fa343a98", kill_on_drop: false }`
[INFO] [stderr]    Compiling digits_iterator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "77b180dbbab345191b2d063f8bc3efa6421b9fc47000de130c47b934fa343a98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b180dbbab345191b2d063f8bc3efa6421b9fc47000de130c47b934fa343a98", kill_on_drop: false }`
[INFO] [stdout] 77b180dbbab345191b2d063f8bc3efa6421b9fc47000de130c47b934fa343a98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] 8e2dd00b45568a26489416d03d9fc18ea601d616664c26501c51bee5853ed0c4
[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" "8e2dd00b45568a26489416d03d9fc18ea601d616664c26501c51bee5853ed0c4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/digits_iterator-0c0c6c742754b879
[INFO] [stdout] running 14 tests
[INFO] [stdout] test digits::tests::iteration_for_0 ... ok
[INFO] [stdout] test digits::tests::iteration_for_some_number ... ok
[INFO] [stdout] test digits::tests::iteration_for_1_digit ... ok
[INFO] [stdout] test digits::tests::iteration_for_the_max_value ... ok
[INFO] [stdout] test digits::tests::iteration_for_a_multiple_of_the_base ... ok
[INFO] [stdout] test digits::tests::iteration_with_hexa_number ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_0 ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_1_digit ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_some_number ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_the_max_value ... ok
[INFO] [stdout] test digits::tests::reverse_iteration_for_a_multiple_of_the_base ... ok
[INFO] [stdout] test tests::simple_extension_test ... ok
[INFO] [stderr]    Doc-tests digits_iterator
[INFO] [stdout] test tests::invalid_base_37 ... ok
[INFO] [stdout] test tests::invalid_base_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] test src/lib.rs - (line 17) ... ok
[INFO] [stdout] test src/lib.rs - DigitsExtension::digits_with_base (line 60) ... ok
[INFO] [stdout] test src/lib.rs - DigitsExtension::digits (line 44) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8e2dd00b45568a26489416d03d9fc18ea601d616664c26501c51bee5853ed0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2dd00b45568a26489416d03d9fc18ea601d616664c26501c51bee5853ed0c4", kill_on_drop: false }`
[INFO] [stdout] 8e2dd00b45568a26489416d03d9fc18ea601d616664c26501c51bee5853ed0c4