[INFO] cloning repository https://github.com/lluchs/sixpunch
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lluchs/sixpunch" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7af24d9e00584a9dea7c37914863a4bb4b76e238
[INFO] testing lluchs/sixpunch against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flluchs%2Fsixpunch" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lluchs/sixpunch 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/lluchs/sixpunch
[INFO] finished tweaking git repo https://github.com/lluchs/sixpunch
[INFO] tweaked toml for git repo https://github.com/lluchs/sixpunch written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lluchs/sixpunch 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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0a165be5d407c6b4f9b41930ff2ef6fc652f4e84b2f5b6d27b949864c4157ea
[INFO] running `Command { std: "docker" "start" "-a" "d0a165be5d407c6b4f9b41930ff2ef6fc652f4e84b2f5b6d27b949864c4157ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0a165be5d407c6b4f9b41930ff2ef6fc652f4e84b2f5b6d27b949864c4157ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a165be5d407c6b4f9b41930ff2ef6fc652f4e84b2f5b6d27b949864c4157ea", kill_on_drop: false }`
[INFO] [stdout] d0a165be5d407c6b4f9b41930ff2ef6fc652f4e84b2f5b6d27b949864c4157ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5ee7a6485ae41cc49f0da7e00c4e47148f4f6d49a0efce6ea33b1ebbb024397
[INFO] running `Command { std: "docker" "start" "-a" "f5ee7a6485ae41cc49f0da7e00c4e47148f4f6d49a0efce6ea33b1ebbb024397", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.14
[INFO] [stderr]    Compiling serde v0.9.10
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling syn v0.11.8
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[INFO] [stderr]    Compiling serde_derive v0.9.10
[INFO] [stderr]    Compiling bincode v1.0.0-alpha5
[INFO] [stderr]    Compiling sixpunch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/puncher.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let (number_of_bytes, src_addr)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/client.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (number_of_bytes, src_addr)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/udp/client.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Message::NotFound(id) => return false,
[INFO] [stdout]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/udp/client.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]   --> src/bin/client.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ("host", Some(sub_m)) => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 10.41s
[INFO] running `Command { std: "docker" "inspect" "f5ee7a6485ae41cc49f0da7e00c4e47148f4f6d49a0efce6ea33b1ebbb024397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ee7a6485ae41cc49f0da7e00c4e47148f4f6d49a0efce6ea33b1ebbb024397", kill_on_drop: false }`
[INFO] [stdout] f5ee7a6485ae41cc49f0da7e00c4e47148f4f6d49a0efce6ea33b1ebbb024397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ce23be7016a8603f140c6d6aa2713095a97e3f3f74eb605178db4b0278af4946
[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" "ce23be7016a8603f140c6d6aa2713095a97e3f3f74eb605178db4b0278af4946", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/puncher.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let (number_of_bytes, src_addr)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/client.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (number_of_bytes, src_addr)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/udp/client.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Message::NotFound(id) => return false,
[INFO] [stdout]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/udp/client.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sixpunch v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sub_m`
[INFO] [stdout]   --> src/bin/client.rs:29:23
[INFO] [stdout]    |
[INFO] [stdout] 29 |         ("host", Some(sub_m)) => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/puncher.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |             let (number_of_bytes, src_addr)
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `number_of_bytes`
[INFO] [stdout]   --> src/udp/client.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let (number_of_bytes, src_addr)
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> src/udp/client.rs:111:31
[INFO] [stdout]     |
[INFO] [stdout] 111 |             Message::NotFound(id) => return false,
[INFO] [stdout]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/udp/client.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "ce23be7016a8603f140c6d6aa2713095a97e3f3f74eb605178db4b0278af4946", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce23be7016a8603f140c6d6aa2713095a97e3f3f74eb605178db4b0278af4946", kill_on_drop: false }`
[INFO] [stdout] ce23be7016a8603f140c6d6aa2713095a97e3f3f74eb605178db4b0278af4946
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] bf773fd21fe95e6e85ab9dd666ed3fa975474f37132d9f06c942413b555e6828
[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" "bf773fd21fe95e6e85ab9dd666ed3fa975474f37132d9f06c942413b555e6828", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/puncher.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |             let (number_of_bytes, src_addr)
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/udp/client.rs:27:14
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let (number_of_bytes, src_addr)
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_number_of_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `id`
[INFO] [stderr]    --> src/udp/client.rs:111:31
[INFO] [stderr]     |
[INFO] [stderr] 111 |             Message::NotFound(id) => return false,
[INFO] [stderr]     |                               ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/udp/client.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |             self.send_msg(msg.clone(), addr);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `sixpunch` (lib) generated 4 warnings
[INFO] [stderr] warning: `sixpunch` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr] warning: unused variable: `sub_m`
[INFO] [stderr]   --> src/bin/client.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 |         ("host", Some(sub_m)) => {
[INFO] [stderr]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_sub_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `sixpunch` (bin "client" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sixpunch-edb8ece27297970e)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/client-e2921eb453de990d)
[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] [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/puncher-d0d2faf97704cec6)
[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]    Doc-tests sixpunch
[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" "bf773fd21fe95e6e85ab9dd666ed3fa975474f37132d9f06c942413b555e6828", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf773fd21fe95e6e85ab9dd666ed3fa975474f37132d9f06c942413b555e6828", kill_on_drop: false }`
[INFO] [stdout] bf773fd21fe95e6e85ab9dd666ed3fa975474f37132d9f06c942413b555e6828