[INFO] cloning repository https://github.com/NeoLegends/sutp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NeoLegends/sutp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d66bdc4055d5d0769a31b6adf26ef3814120503
[INFO] testing NeoLegends/sutp against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NeoLegends/sutp on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NeoLegends/sutp
[INFO] finished tweaking git repo https://github.com/NeoLegends/sutp
[INFO] tweaked toml for git repo https://github.com/NeoLegends/sutp written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/NeoLegends/sutp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 553a0b00fa64349422d0fc8fe68c6153f7eb4a300a0b56f8b7f0b08b91e86660
[INFO] running `Command { std: "docker" "start" "-a" "553a0b00fa64349422d0fc8fe68c6153f7eb4a300a0b56f8b7f0b08b91e86660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "553a0b00fa64349422d0fc8fe68c6153f7eb4a300a0b56f8b7f0b08b91e86660", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553a0b00fa64349422d0fc8fe68c6153f7eb4a300a0b56f8b7f0b08b91e86660", kill_on_drop: false }`
[INFO] [stdout] 553a0b00fa64349422d0fc8fe68c6153f7eb4a300a0b56f8b7f0b08b91e86660
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02ba4a9ac019722ec5f4ce43c2826d967635096996278da61b645257f5fe8b62
[INFO] running `Command { std: "docker" "start" "-a" "02ba4a9ac019722ec5f4ce43c2826d967635096996278da61b645257f5fe8b62", 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 libc v0.2.44
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling tokio-executor v0.1.5
[INFO] [stderr]    Compiling sutp-futures v0.1.0 (/opt/rustwide/workdir/implementation/sutp-futures)
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.2.8
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling tokio-io v0.1.10
[INFO] [stderr]    Compiling flate2 v1.0.5
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.7
[INFO] [stderr]    Compiling tokio-threadpool v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.2
[INFO] [stderr]    Compiling tokio-uds v0.2.4
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-fs v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.13
[INFO] [stderr]    Compiling env_logger v0.6.0
[INFO] [stderr]    Compiling sutp v0.1.0 (/opt/rustwide/workdir/implementation/sutp)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> implementation/sutp/src/listener.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => std::panic::panic_any(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u32>::saturating_sub` that must be used
[INFO] [stdout]    --> implementation/sutp/src/stream.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 | /             self.remote_window_size
[INFO] [stdout] 476 | |                 .saturating_sub(outgoing.data.len() as u32);
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sutp-demo-client v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-client)
[INFO] [stderr]    Compiling sutp-demo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-server)
[INFO] [stderr]    Compiling sutp-echo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-echo-server)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.89s
[INFO] running `Command { std: "docker" "inspect" "02ba4a9ac019722ec5f4ce43c2826d967635096996278da61b645257f5fe8b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02ba4a9ac019722ec5f4ce43c2826d967635096996278da61b645257f5fe8b62", kill_on_drop: false }`
[INFO] [stdout] 02ba4a9ac019722ec5f4ce43c2826d967635096996278da61b645257f5fe8b62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60dafbbbe6d3231091b2b4dc91496c26d7176a40c05f4a8c25d764237efdbddb
[INFO] running `Command { std: "docker" "start" "-a" "60dafbbbe6d3231091b2b4dc91496c26d7176a40c05f4a8c25d764237efdbddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling sutp-futures v0.1.0 (/opt/rustwide/workdir/implementation/sutp-futures)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> implementation/sutp/src/listener.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => std::panic::panic_any(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sutp v0.1.0 (/opt/rustwide/workdir/implementation/sutp)
[INFO] [stdout] warning: unused return value of `core::num::<impl u32>::saturating_sub` that must be used
[INFO] [stdout]    --> implementation/sutp/src/stream.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 | /             self.remote_window_size
[INFO] [stdout] 476 | |                 .saturating_sub(outgoing.data.len() as u32);
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sutp-echo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-echo-server)
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sutp-demo-client v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-client)
[INFO] [stderr]    Compiling sutp-demo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-server)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> implementation/sutp/src/listener.rs:124:42
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 124 |             Async::Ready(None) => std::panic::panic_any(POLL_AFTER_IO_ERR),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::num::<impl u32>::saturating_sub` that must be used
[INFO] [stdout]    --> implementation/sutp/src/stream.rs:475:13
[INFO] [stdout]     |
[INFO] [stdout] 475 | /             self.remote_window_size
[INFO] [stdout] 476 | |                 .saturating_sub(outgoing.data.len() as u32);
[INFO] [stdout]     | |____________________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this returns the result of the operation, without modifying the original
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "60dafbbbe6d3231091b2b4dc91496c26d7176a40c05f4a8c25d764237efdbddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60dafbbbe6d3231091b2b4dc91496c26d7176a40c05f4a8c25d764237efdbddb", kill_on_drop: false }`
[INFO] [stdout] 60dafbbbe6d3231091b2b4dc91496c26d7176a40c05f4a8c25d764237efdbddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1498dec03480a4bdbf6f92a52fa3554c0e744ff912763973da8c8224c76df35a
[INFO] running `Command { std: "docker" "start" "-a" "1498dec03480a4bdbf6f92a52fa3554c0e744ff912763973da8c8224c76df35a", kill_on_drop: false }`
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> implementation/sutp/src/listener.rs:124:42
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => panic!(POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => std::panic::panic_any(POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u32>::saturating_sub` that must be used
[INFO] [stderr]    --> implementation/sutp/src/stream.rs:475:13
[INFO] [stderr]     |
[INFO] [stderr] 475 | /             self.remote_window_size
[INFO] [stderr] 476 | |                 .saturating_sub(outgoing.data.len() as u32);
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]    --> implementation/sutp/src/listener.rs:124:42
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => panic!(POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]     = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => panic!("{}", POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]     |
[INFO] [stderr] 124 |             Async::Ready(None) => std::panic::panic_any(POLL_AFTER_IO_ERR),
[INFO] [stderr]     |                                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `core::num::<impl u32>::saturating_sub` that must be used
[INFO] [stderr]    --> implementation/sutp/src/stream.rs:475:13
[INFO] [stderr]     |
[INFO] [stderr] 475 | /             self.remote_window_size
[INFO] [stderr] 476 | |                 .saturating_sub(outgoing.data.len() as u32);
[INFO] [stderr]     | |____________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this returns the result of the operation, without modifying the original
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sutp-add5bd4779b49152)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test chunk::tests::binary_len ... ok
[INFO] [stdout] test chunk::tests::deserialize_compression_negotiation ... ok
[INFO] [stdout] test chunk::tests::deserialize_compression_negotiation_zero_length ... ok
[INFO] [stdout] test chunk::tests::deserialize_flag_chunks ... ok
[INFO] [stdout] test chunk::tests::deserialize_payload ... ok
[INFO] [stdout] test chunk::tests::deserialize_payload_empty ... ok
[INFO] [stdout] test chunk::tests::deserialize_sack_chunk ... ok
[INFO] [stdout] test chunk::tests::deserialize_sack_chunk_empty_nak_list ... ok
[INFO] [stdout] test chunk::tests::serialize_flag_chunks ... ok
[INFO] [stdout] test chunk::tests::serialize_compression_negotiation_empty ... ok
[INFO] [stdout] test chunk::tests::serialize_compression_negotiation ... ok
[INFO] [stdout] test chunk::tests::serialize_payload ... ok
[INFO] [stdout] test chunk::tests::serialize_payload_empty ... ok
[INFO] [stdout] test chunk::tests::serialize_sack_chunk ... ok
[INFO] [stdout] test chunk::tests::serialize_sack_chunk_empty_nak_list ... ok
[INFO] [stdout] test chunk::tests::zero_input ... ok
[INFO] [stdout] test segment::tests::binary_len ... ok
[INFO] [stdout] test segment::tests::builder ... ok
[INFO] [stdout] test segment::tests::deserialize_multiple ... ok
[INFO] [stdout] test segment::tests::illegal_duplication_invalid ... ok
[INFO] [stdout] test segment::tests::illegal_duplication_valid ... ok
[INFO] [stdout] test segment::tests::select_compression_negotiation ... ok
[INFO] [stdout] test segment::tests::select_compression_negotiation_empty ... ok
[INFO] [stdout] test segment::tests::select_compression_negotiation_mixed ... ok
[INFO] [stdout] test segment::tests::select_compression_negotiation_unknown ... ok
[INFO] [stdout] test segment::tests::zero_input ... ok
[INFO] [stdout] test segment::tests::serde ... ok
[INFO] [stdout] test window::tests::available ... ok
[INFO] [stdout] test window::tests::cannot_overwrite ... ok
[INFO] [stdout] test window::tests::clear ... ok
[INFO] [stdout] test window::tests::distance_too_large ... ok
[INFO] [stdout] test window::tests::drain_hole ... ok
[INFO] [stdout] test window::tests::drain_and_fill ... ok
[INFO] [stdout] test window::tests::key_too_low ... ok
[INFO] [stdout] test window::tests::set_lowest_key ... ok
[INFO] [stdout] test window::tests::smoke ... ok
[INFO] [stdout] test chunk::tests::deserialize_sack_chunk_invalid_length - should panic ... ok
[INFO] [stdout] test chunk::tests::deserialize_sack_chunk_zero_length - should panic ... ok
[INFO] [stdout] test window::tests::set_lowest_key_with_err - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/demo.rs (/opt/rustwide/target/debug/deps/demo-8cc2b0166ed0c113)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass '-p sutp --test demo'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/demo-8cc2b0166ed0c113` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "1498dec03480a4bdbf6f92a52fa3554c0e744ff912763973da8c8224c76df35a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1498dec03480a4bdbf6f92a52fa3554c0e744ff912763973da8c8224c76df35a", kill_on_drop: false }`
[INFO] [stdout] 1498dec03480a4bdbf6f92a52fa3554c0e744ff912763973da8c8224c76df35a
