[INFO] cloning repository https://github.com/idunn-network/idunn-dht
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/idunn-network/idunn-dht" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidunn-network%2Fidunn-dht", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidunn-network%2Fidunn-dht'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef61829f981319280043c11f6390a731b55516c3
[INFO] testing idunn-network/idunn-dht against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidunn-network%2Fidunn-dht" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/idunn-network/idunn-dht 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 git repo https://github.com/idunn-network/idunn-dht
[INFO] finished tweaking git repo https://github.com/idunn-network/idunn-dht
[INFO] tweaked toml for git repo https://github.com/idunn-network/idunn-dht written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/idunn-network/idunn-dht already has a lockfile, it will not be regenerated
[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-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" "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] 85f0002d6a6d139446a97c588d4714396f628490af9a4fc0ef208b3ae60e0196
[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" "85f0002d6a6d139446a97c588d4714396f628490af9a4fc0ef208b3ae60e0196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f0002d6a6d139446a97c588d4714396f628490af9a4fc0ef208b3ae60e0196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f0002d6a6d139446a97c588d4714396f628490af9a4fc0ef208b3ae60e0196", kill_on_drop: false }`
[INFO] [stdout] 85f0002d6a6d139446a97c588d4714396f628490af9a4fc0ef208b3ae60e0196
[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" "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] ab9071bd75b62bc7f8c2aa98b12c31d052e28c13495a798e6c1e76708167c359
[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" "ab9071bd75b62bc7f8c2aa98b12c31d052e28c13495a798e6c1e76708167c359", kill_on_drop: false }`
[INFO] [stderr]    Compiling idunn-dht v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodeid.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for &b in self.0.iter() { try!(write!(f, "{:02x}", b)); }
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/nodeid.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/nodeid.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `Command { std: "docker" "inspect" "ab9071bd75b62bc7f8c2aa98b12c31d052e28c13495a798e6c1e76708167c359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab9071bd75b62bc7f8c2aa98b12c31d052e28c13495a798e6c1e76708167c359", kill_on_drop: false }`
[INFO] [stdout] ab9071bd75b62bc7f8c2aa98b12c31d052e28c13495a798e6c1e76708167c359
[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" "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] 506bba9af3aea065db6a6db130aa139851afd16dcd11081b4d9e4618b05cfe60
[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" "506bba9af3aea065db6a6db130aa139851afd16dcd11081b4d9e4618b05cfe60", kill_on_drop: false }`
[INFO] [stderr]    Compiling idunn-dht v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/nodeid.rs:52:35
[INFO] [stdout]    |
[INFO] [stdout] 52 |         for &b in self.0.iter() { try!(write!(f, "{:02x}", b)); }
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/nodeid.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stdout]   --> src/nodeid.rs:41:18
[INFO] [stdout]    |
[INFO] [stdout] 41 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.96s
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "506bba9af3aea065db6a6db130aa139851afd16dcd11081b4d9e4618b05cfe60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "506bba9af3aea065db6a6db130aa139851afd16dcd11081b4d9e4618b05cfe60", kill_on_drop: false }`
[INFO] [stdout] 506bba9af3aea065db6a6db130aa139851afd16dcd11081b4d9e4618b05cfe60
[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" "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] 7e6cdb75a3f21cd4b6f188238ca3cc04123242a45bba9b8d2e0f45b4df4c0362
[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" "7e6cdb75a3f21cd4b6f188238ca3cc04123242a45bba9b8d2e0f45b4df4c0362", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout] 
[INFO] [stderr]   --> src/nodeid.rs:52:35
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 52 |         for &b in self.0.iter() { try!(write!(f, "{:02x}", b)); }
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stderr]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/nodeid.rs:31:18
[INFO] [stderr]    |
[INFO] [stderr] 31 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression
[INFO] [stderr]   --> src/nodeid.rs:41:18
[INFO] [stderr]    |
[INFO] [stderr] 41 |         for i in (0..NODE_ID_SIZE) {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/idunn_dht-0855cf3a2dae2b3c
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/idunn_dht-2392577c752cbf0b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests idunn-dht
[INFO] [stdout] running 8 tests
[INFO] [stdout] test kbucket::tests::test_insert ... ok
[INFO] [stdout] test nodeid::tests::test_distance_comp ... ok
[INFO] [stdout] test nodeid::tests::test_from_hexdigest ... ok
[INFO] [stdout] test util::tests::test_parse_hex_bytes ... ok
[INFO] [stdout] test nodeid::tests::test_log_distance_0 ... ok
[INFO] [stdout] test nodeid::tests::test_safe_parsing ... ok
[INFO] [stdout] test nodeid::tests::test_log_distance_79 ... ok
[INFO] [stdout] test nodeid::tests::test_order ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 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" "7e6cdb75a3f21cd4b6f188238ca3cc04123242a45bba9b8d2e0f45b4df4c0362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e6cdb75a3f21cd4b6f188238ca3cc04123242a45bba9b8d2e0f45b4df4c0362", kill_on_drop: false }`
[INFO] [stdout] 7e6cdb75a3f21cd4b6f188238ca3cc04123242a45bba9b8d2e0f45b4df4c0362