[INFO] fetching crate rustun 0.3.7...
[INFO] testing rustun-0.3.7 against 1.59.0 for beta-1.60-1
[INFO] extracting crate rustun 0.3.7 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate rustun 0.3.7 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustun 0.3.7
[INFO] finished tweaking crates.io crate rustun 0.3.7
[INFO] tweaked toml for crates.io crate rustun 0.3.7 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate rustun 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff45190e4da561b9ac317d58c35d323f4349109865c2c5c64d64a54d4af11f52
[INFO] running `Command { std: "docker" "start" "-a" "ff45190e4da561b9ac317d58c35d323f4349109865c2c5c64d64a54d4af11f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff45190e4da561b9ac317d58c35d323f4349109865c2c5c64d64a54d4af11f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff45190e4da561b9ac317d58c35d323f4349109865c2c5c64d64a54d4af11f52", kill_on_drop: false }`
[INFO] [stdout] ff45190e4da561b9ac317d58c35d323f4349109865c2c5c64d64a54d4af11f52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eee3e9cf8585529a2be4b92f8cbba5d8836853b16a10ce083e0302a54b26a98e
[INFO] running `Command { std: "docker" "start" "-a" "eee3e9cf8585529a2be4b92f8cbba5d8836853b16a10ce083e0302a54b26a98e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling nbchan v0.1.3
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling splay_tree v0.2.10
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling factory v0.1.2
[INFO] [stderr]    Compiling hmac-sha1 v0.1.3
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling net2 v0.2.35
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling fibers v0.1.13
[INFO] [stderr]    Compiling fibers_timeout_queue v0.1.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling bytecodec v0.4.13
[INFO] [stderr]    Compiling fibers_transport v0.1.3
[INFO] [stderr]    Compiling stun_codec v0.1.12
[INFO] [stderr]    Compiling rustun v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `current_rto`
[INFO] [stdout]    --> src/transport/udp.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     current_rto: Duration,
[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 16.53s
[INFO] running `Command { std: "docker" "inspect" "eee3e9cf8585529a2be4b92f8cbba5d8836853b16a10ce083e0302a54b26a98e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eee3e9cf8585529a2be4b92f8cbba5d8836853b16a10ce083e0302a54b26a98e", kill_on_drop: false }`
[INFO] [stdout] eee3e9cf8585529a2be4b92f8cbba5d8836853b16a10ce083e0302a54b26a98e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42b903b8d75ca3b7cd4abf67aa682efbf5bef4f9b45729df13d25308cc39aa22
[INFO] running `Command { std: "docker" "start" "-a" "42b903b8d75ca3b7cd4abf67aa682efbf5bef4f9b45729df13d25308cc39aa22", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stdout] warning: field is never read: `current_rto`
[INFO] [stdout]    --> src/transport/udp.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     current_rto: Duration,
[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]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling fibers_global v0.1.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rustun v0.3.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `current_rto`
[INFO] [stdout]    --> src/transport/udp.rs:401:5
[INFO] [stdout]     |
[INFO] [stdout] 401 |     current_rto: Duration,
[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 14.31s
[INFO] running `Command { std: "docker" "inspect" "42b903b8d75ca3b7cd4abf67aa682efbf5bef4f9b45729df13d25308cc39aa22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42b903b8d75ca3b7cd4abf67aa682efbf5bef4f9b45729df13d25308cc39aa22", kill_on_drop: false }`
[INFO] [stdout] 42b903b8d75ca3b7cd4abf67aa682efbf5bef4f9b45729df13d25308cc39aa22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 57a498eaf253f2f960c16eaae246a43536c3fa023c4332a2e7a023fd15cb4199
[INFO] running `Command { std: "docker" "start" "-a" "57a498eaf253f2f960c16eaae246a43536c3fa023c4332a2e7a023fd15cb4199", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `current_rto`
[INFO] [stderr]    --> src/transport/udp.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     current_rto: Duration,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustun` (lib) generated 1 warning
[INFO] [stderr] warning: `rustun` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustun-9b9ab5d69295e7c1)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::basic_udp_test ... ok
[INFO] [stdout] test tests::basic_tcp_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustun
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.47s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "57a498eaf253f2f960c16eaae246a43536c3fa023c4332a2e7a023fd15cb4199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57a498eaf253f2f960c16eaae246a43536c3fa023c4332a2e7a023fd15cb4199", kill_on_drop: false }`
[INFO] [stdout] 57a498eaf253f2f960c16eaae246a43536c3fa023c4332a2e7a023fd15cb4199