[INFO] fetching crate loopable 0.1.0...
[INFO] testing loopable-0.1.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate loopable 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate loopable 0.1.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate loopable 0.1.0
[INFO] finished tweaking crates.io crate loopable 0.1.0
[INFO] tweaked toml for crates.io crate loopable 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate loopable 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 24c9ef0f55924be654f5a69870428f6b3032f247b666341917b5748f27efecf9
[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" "24c9ef0f55924be654f5a69870428f6b3032f247b666341917b5748f27efecf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24c9ef0f55924be654f5a69870428f6b3032f247b666341917b5748f27efecf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24c9ef0f55924be654f5a69870428f6b3032f247b666341917b5748f27efecf9", kill_on_drop: false }`
[INFO] [stdout] 24c9ef0f55924be654f5a69870428f6b3032f247b666341917b5748f27efecf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6aaab2a9d2b24ca5d3d93c412414bc36f2a8dc74930614c9a1f2a86143519ca1
[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" "6aaab2a9d2b24ca5d3d93c412414bc36f2a8dc74930614c9a1f2a86143519ca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling loopable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gen_range.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(start: T, stop: T, step: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_c`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn print_c<I: Iterator<Item=String>>(v:I) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "6aaab2a9d2b24ca5d3d93c412414bc36f2a8dc74930614c9a1f2a86143519ca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aaab2a9d2b24ca5d3d93c412414bc36f2a8dc74930614c9a1f2a86143519ca1", kill_on_drop: false }`
[INFO] [stdout] 6aaab2a9d2b24ca5d3d93c412414bc36f2a8dc74930614c9a1f2a86143519ca1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97603540f34fdf89631e05b50b592ff881c376f2ad4ebdbc1825cc69524f966a
[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" "97603540f34fdf89631e05b50b592ff881c376f2ad4ebdbc1825cc69524f966a", kill_on_drop: false }`
[INFO] [stderr]    Compiling loopable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/gen_range.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(start: T, stop: T, step: T) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_c`
[INFO] [stdout]   --> src/main.rs:42:4
[INFO] [stdout]    |
[INFO] [stdout] 42 | fn print_c<I: Iterator<Item=String>>(v:I) {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "97603540f34fdf89631e05b50b592ff881c376f2ad4ebdbc1825cc69524f966a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97603540f34fdf89631e05b50b592ff881c376f2ad4ebdbc1825cc69524f966a", kill_on_drop: false }`
[INFO] [stdout] 97603540f34fdf89631e05b50b592ff881c376f2ad4ebdbc1825cc69524f966a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b26a385e34ad053e5d3a103d34cd10256459c94cbd1b23ca4a6dfaf30aed4478
[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" "b26a385e34ad053e5d3a103d34cd10256459c94cbd1b23ca4a6dfaf30aed4478", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/gen_range.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(start: T, stop: T, step: T) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_c`
[INFO] [stderr]   --> src/main.rs:42:4
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn print_c<I: Iterator<Item=String>>(v:I) {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/d2_iterators-d14df4dcbe24f19b
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test combi::combi_tests::skip_iter_test ... ok
[INFO] [stdout] test combi::combi_tests::test_interleave ... ok
[INFO] [stdout] test combi::combi_tests::test_intersperse ... ok
[INFO] [stdout] test gen_range::tests::iter_test ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::iter_test ... ok
[INFO] [stdout] test tests::tup_test ... ok
[INFO] [stdout] test gen_range::tests::filter ... ok
[INFO] [stdout] test combi::combi_tests::skip_iter_2 ... ok
[INFO] [stdout] test gen_range::tests::it_works ... ok
[INFO] [stdout] test combi::combi_tests::test_step_by ... ok
[INFO] [stdout] test combi::combi_tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/d2_printout-3244a130294fe956
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests d2_iterators
[INFO] [stdout] running 3 tests
[INFO] [stdout] test gen_range::tests::iter_test ... ok
[INFO] [stdout] test gen_range::tests::filter ... ok
[INFO] [stdout] test gen_range::tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 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 `Command { std: "docker" "inspect" "b26a385e34ad053e5d3a103d34cd10256459c94cbd1b23ca4a6dfaf30aed4478", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26a385e34ad053e5d3a103d34cd10256459c94cbd1b23ca4a6dfaf30aed4478", kill_on_drop: false }`
[INFO] [stdout] b26a385e34ad053e5d3a103d34cd10256459c94cbd1b23ca4a6dfaf30aed4478