[INFO] cloning repository https://github.com/wangmarkqi/udp_hole_punching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangmarkqi/udp_hole_punching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5135327b4de8633fb633bd65908351fd73021886
[INFO] checking wangmarkqi/udp_hole_punching against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangmarkqi%2Fudp_hole_punching" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangmarkqi/udp_hole_punching on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] removed workspace from git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] removed path dependency punching_client from git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] removed path dependency punching_server from git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] finished tweaking git repo https://github.com/wangmarkqi/udp_hole_punching
[INFO] tweaked toml for git repo https://github.com/wangmarkqi/udp_hole_punching written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/wangmarkqi/udp_hole_punching already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded punching_client v0.1.1
[INFO] [stderr]   Downloaded punching_server v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a6a2ac9fbc1924b4cb7a7cb6fd1b37dc6f6aa94118e3d1e223ecd6b2ba9d7654
[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" "a6a2ac9fbc1924b4cb7a7cb6fd1b37dc6f6aa94118e3d1e223ecd6b2ba9d7654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6a2ac9fbc1924b4cb7a7cb6fd1b37dc6f6aa94118e3d1e223ecd6b2ba9d7654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6a2ac9fbc1924b4cb7a7cb6fd1b37dc6f6aa94118e3d1e223ecd6b2ba9d7654", kill_on_drop: false }`
[INFO] [stdout] a6a2ac9fbc1924b4cb7a7cb6fd1b37dc6f6aa94118e3d1e223ecd6b2ba9d7654
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c92221de4a0dff2462d2488d2fef633edcbc5beea9cc48f373187f9f1e3e3335
[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" "c92221de4a0dff2462d2488d2fef633edcbc5beea9cc48f373187f9f1e3e3335", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking vec-arena v0.5.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.2.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking polling v0.1.6
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking punching_server v0.1.1
[INFO] [stderr]     Checking punching_client v0.1.1
[INFO] [stderr]     Checking udp_hole_punching v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `punching_server as serv`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use punching_server as serv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `punching_server::Packet`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use punching_server::Packet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `punching_server as serv`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use punching_server as serv;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `punching_server::Packet`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use punching_server::Packet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "c92221de4a0dff2462d2488d2fef633edcbc5beea9cc48f373187f9f1e3e3335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c92221de4a0dff2462d2488d2fef633edcbc5beea9cc48f373187f9f1e3e3335", kill_on_drop: false }`
[INFO] [stdout] c92221de4a0dff2462d2488d2fef633edcbc5beea9cc48f373187f9f1e3e3335