[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fidunn-network%2Fidunn-dht" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/idunn-network/idunn-dht on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 956b3755ebbbdaa5339fbe288fe70d1274952adf4adcc55c8f29f12b773457e4
[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" "956b3755ebbbdaa5339fbe288fe70d1274952adf4adcc55c8f29f12b773457e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "956b3755ebbbdaa5339fbe288fe70d1274952adf4adcc55c8f29f12b773457e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "956b3755ebbbdaa5339fbe288fe70d1274952adf4adcc55c8f29f12b773457e4", kill_on_drop: false }`
[INFO] [stdout] 956b3755ebbbdaa5339fbe288fe70d1274952adf4adcc55c8f29f12b773457e4
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e29244e78f38606aa8850aa75c162de4b26b77e5752b0b8a2b5d19c3bccede29
[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" "e29244e78f38606aa8850aa75c162de4b26b77e5752b0b8a2b5d19c3bccede29", kill_on_drop: false }`
[INFO] [stderr]    Compiling idunn-dht v0.0.1 (/opt/rustwide/workdir)
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.24s
[INFO] running `Command { std: "docker" "inspect" "e29244e78f38606aa8850aa75c162de4b26b77e5752b0b8a2b5d19c3bccede29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e29244e78f38606aa8850aa75c162de4b26b77e5752b0b8a2b5d19c3bccede29", kill_on_drop: false }`
[INFO] [stdout] e29244e78f38606aa8850aa75c162de4b26b77e5752b0b8a2b5d19c3bccede29
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd9a329ccb8fd786e283656be5788ff6dfc91e0e3c9d6c1f6167892efd12e606
[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" "cd9a329ccb8fd786e283656be5788ff6dfc91e0e3c9d6c1f6167892efd12e606", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling idunn-dht v0.0.1 (/opt/rustwide/workdir)
[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: 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "cd9a329ccb8fd786e283656be5788ff6dfc91e0e3c9d6c1f6167892efd12e606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd9a329ccb8fd786e283656be5788ff6dfc91e0e3c9d6c1f6167892efd12e606", kill_on_drop: false }`
[INFO] [stdout] cd9a329ccb8fd786e283656be5788ff6dfc91e0e3c9d6c1f6167892efd12e606
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fca4009b363701318c15af16f8daca50a9efa5c07abe975e30280c60f6337818
[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" "fca4009b363701318c15af16f8daca50a9efa5c07abe975e30280c60f6337818", kill_on_drop: false }`
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/nodeid.rs:52:35
[INFO] [stderr]    |
[INFO] [stderr] 52 |         for &b in self.0.iter() { try!(write!(f, "{:02x}", b)); }
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `idunn-dht` (bin "idunn-dht" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/idunn_dht-1cca4c85ebf4f1a7)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/idunn_dht-c03aac5a848185d7)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test kbucket::tests::test_insert ... ok
[INFO] [stdout] test nodeid::tests::test_log_distance_0 ... ok
[INFO] [stdout] test nodeid::tests::test_log_distance_79 ... ok
[INFO] [stdout] test nodeid::tests::test_safe_parsing ... ok
[INFO] [stdout] test nodeid::tests::test_order ... ok
[INFO] [stdout] test util::tests::test_parse_hex_bytes ... ok
[INFO] [stdout] test nodeid::tests::test_from_hexdigest ... ok
[INFO] [stdout] test nodeid::tests::test_distance_comp ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests idunn-dht
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fca4009b363701318c15af16f8daca50a9efa5c07abe975e30280c60f6337818", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca4009b363701318c15af16f8daca50a9efa5c07abe975e30280c60f6337818", kill_on_drop: false }`
[INFO] [stdout] fca4009b363701318c15af16f8daca50a9efa5c07abe975e30280c60f6337818