[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] checking NeoLegends/sutp against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNeoLegends%2Fsutp" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NeoLegends/sutp on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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-9/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flate2 v1.0.5
[INFO] [stderr]   Downloaded flate2-crc v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e075474e822639e0264992c929b86a9c3597a4e031982ff6c7e475afddfea6a5
[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" "e075474e822639e0264992c929b86a9c3597a4e031982ff6c7e475afddfea6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e075474e822639e0264992c929b86a9c3597a4e031982ff6c7e475afddfea6a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e075474e822639e0264992c929b86a9c3597a4e031982ff6c7e475afddfea6a5", kill_on_drop: false }`
[INFO] [stdout] e075474e822639e0264992c929b86a9c3597a4e031982ff6c7e475afddfea6a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f12ba52a549aaaa30d00d4213c5431bab5d26af559c3e490808c7e3a9e812354
[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" "f12ba52a549aaaa30d00d4213c5431bab5d26af559c3e490808c7e3a9e812354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking owning_ref v0.4.0
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[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking sutp-futures v0.1.0 (/opt/rustwide/workdir/implementation/sutp-futures)
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
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[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking regex v1.1.0
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking sutp v0.1.0 (/opt/rustwide/workdir/implementation/sutp)
[INFO] [stderr]     Checking env_logger v0.6.0
[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]     Checking sutp-demo-client v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-client)
[INFO] [stderr]     Checking sutp-demo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-demo-server)
[INFO] [stderr]     Checking sutp-echo-server v0.1.0 (/opt/rustwide/workdir/implementation/sutp-echo-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 dev [unoptimized + debuginfo] target(s) in 24.77s
[INFO] running `Command { std: "docker" "inspect" "f12ba52a549aaaa30d00d4213c5431bab5d26af559c3e490808c7e3a9e812354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f12ba52a549aaaa30d00d4213c5431bab5d26af559c3e490808c7e3a9e812354", kill_on_drop: false }`
[INFO] [stdout] f12ba52a549aaaa30d00d4213c5431bab5d26af559c3e490808c7e3a9e812354