[INFO] cloning repository https://github.com/Beu-Wolf/trust-tcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Beu-Wolf/trust-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeu-Wolf%2Ftrust-tcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeu-Wolf%2Ftrust-tcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e5eb1a6123cf1c914deebc3adaf8c594d78ac98
[INFO] testing Beu-Wolf/trust-tcp against try#33835004928d3bf65db4d4712e1330766263b0bd for pr-155739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBeu-Wolf%2Ftrust-tcp" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Beu-Wolf/trust-tcp
[INFO] finished tweaking git repo https://github.com/Beu-Wolf/trust-tcp
[INFO] tweaked toml for git repo https://github.com/Beu-Wolf/trust-tcp written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Beu-Wolf/trust-tcp on toolchain 33835004928d3bf65db4d4712e1330766263b0bd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Beu-Wolf/trust-tcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.src
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b177c3cd4ddeaf75c6988d6370eb4051014b8b6ab2865f342fef11d4761da0bb
[INFO] running `Command { std: "docker" "start" "-a" "b177c3cd4ddeaf75c6988d6370eb4051014b8b6ab2865f342fef11d4761da0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b177c3cd4ddeaf75c6988d6370eb4051014b8b6ab2865f342fef11d4761da0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b177c3cd4ddeaf75c6988d6370eb4051014b8b6ab2865f342fef11d4761da0bb", kill_on_drop: false }`
[INFO] [stdout] b177c3cd4ddeaf75c6988d6370eb4051014b8b6ab2865f342fef11d4761da0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675d961363156476dedf29f18ca6cba095452dd918693ac6cfc41d305a1a9721
[INFO] running `Command { std: "docker" "start" "-a" "675d961363156476dedf29f18ca6cba095452dd918693ac6cfc41d305a1a9721", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.src
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling etherparse v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.18
[INFO] [stderr]    Compiling trust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         data: &'a [u8]) -> io::Result<Option<Self>> {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]    --> src/tcp.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let buf = [0u8; 1504];
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_how`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 27 |     fn is_synchronized(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct SendSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     wnd: u16, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 88 |     /// send urgent pointer
[INFO] [stdout] 89 |     up: bool,  
[INFO] [stdout]    |     ^^
[INFO] [stdout] 90 |     /// SSeqNumber for last window update 
[INFO] [stdout] 91 |     wl1: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 92 |     /// SAckNumber for last window update
[INFO] [stdout] 93 |     wl2: u32, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct RecvSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 118 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 119 |     /// initial receive sequence number
[INFO] [stdout] 120 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Connection {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 218 |     fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.45s
[INFO] running `Command { std: "docker" "inspect" "675d961363156476dedf29f18ca6cba095452dd918693ac6cfc41d305a1a9721", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675d961363156476dedf29f18ca6cba095452dd918693ac6cfc41d305a1a9721", kill_on_drop: false }`
[INFO] [stdout] 675d961363156476dedf29f18ca6cba095452dd918693ac6cfc41d305a1a9721
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e4a6465dc8ea937ae25eaba46eaf13840cb4f13a8324a901c5748edfb54ebda
[INFO] running `Command { std: "docker" "start" "-a" "2e4a6465dc8ea937ae25eaba46eaf13840cb4f13a8324a901c5748edfb54ebda", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.src
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         data: &'a [u8]) -> io::Result<Option<Self>> {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]    --> src/tcp.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let buf = [0u8; 1504];
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_how`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 27 |     fn is_synchronized(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct SendSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     wnd: u16, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 88 |     /// send urgent pointer
[INFO] [stdout] 89 |     up: bool,  
[INFO] [stdout]    |     ^^
[INFO] [stdout] 90 |     /// SSeqNumber for last window update 
[INFO] [stdout] 91 |     wl1: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 92 |     /// SAckNumber for last window update
[INFO] [stdout] 93 |     wl2: u32, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct RecvSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 118 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 119 |     /// initial receive sequence number
[INFO] [stdout] 120 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Connection {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 218 |     fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling trust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tcp.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         data: &'a [u8]) -> io::Result<Option<Self>> {
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/tcp.rs:130:13
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut buf = [0u8; 1500];
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `iph`
[INFO] [stdout]    --> src/tcp.rs:232:9
[INFO] [stdout]     |
[INFO] [stdout] 232 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `buf`
[INFO] [stdout]    --> src/lib.rs:134:17
[INFO] [stdout]     |
[INFO] [stdout] 134 |             let buf = [0u8; 1504];
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ----^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cm`
[INFO] [stdout]    --> src/lib.rs:249:13
[INFO] [stdout]     |
[INFO] [stdout] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `how`
[INFO] [stdout]    --> src/lib.rs:256:28
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_how`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_synchronized` is never used
[INFO] [stdout]   --> src/tcp.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl State {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 27 |     fn is_synchronized(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct SendSequenceSpace {
[INFO] [stdout]    |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 87 |     wnd: u16, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 88 |     /// send urgent pointer
[INFO] [stdout] 89 |     up: bool,  
[INFO] [stdout]    |     ^^
[INFO] [stdout] 90 |     /// SSeqNumber for last window update 
[INFO] [stdout] 91 |     wl1: u32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 92 |     /// SAckNumber for last window update
[INFO] [stdout] 93 |     wl2: u32, 
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]    --> src/tcp.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 112 | struct RecvSequenceSpace {
[INFO] [stdout]     |        ----------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 118 |     up: bool,
[INFO] [stdout]     |     ^^
[INFO] [stdout] 119 |     /// initial receive sequence number
[INFO] [stdout] 120 |     irs: u32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 123 | impl Connection {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 218 |     fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "2e4a6465dc8ea937ae25eaba46eaf13840cb4f13a8324a901c5748edfb54ebda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e4a6465dc8ea937ae25eaba46eaf13840cb4f13a8324a901c5748edfb54ebda", kill_on_drop: false }`
[INFO] [stdout] 2e4a6465dc8ea937ae25eaba46eaf13840cb4f13a8324a901c5748edfb54ebda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+33835004928d3bf65db4d4712e1330766263b0bd" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03358f181ee017593784b52381b6521c322b5d1ce222a26f77ce469794001d20
[INFO] running `Command { std: "docker" "start" "-a" "03358f181ee017593784b52381b6521c322b5d1ce222a26f77ce469794001d20", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: bin.0.src
[INFO] [stderr] warning: unused manifest key: lib.src
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/tcp.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let mut buf = [0u8; 1500];
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/tcp.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         data: &'a [u8]) -> io::Result<Option<Self>> {
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/tcp.rs:130:13
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let mut buf = [0u8; 1500];
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iph`
[INFO] [stderr]    --> src/tcp.rs:232:9
[INFO] [stderr]     |
[INFO] [stderr] 232 |         iph: etherparse::Ipv4HeaderSlice<'a>, 
[INFO] [stderr]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_iph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `buf`
[INFO] [stderr]    --> src/lib.rs:134:17
[INFO] [stderr]     |
[INFO] [stderr] 134 |             let buf = [0u8; 1504];
[INFO] [stderr]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stderr]     |             ----^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cm`
[INFO] [stderr]    --> src/lib.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let mut cm = self.h.manager.lock().unwrap();
[INFO] [stderr]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cm`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `how`
[INFO] [stderr]    --> src/lib.rs:256:28
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn shutdown(&self, how: std::net::Shutdown) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_how`
[INFO] [stderr] 
[INFO] [stderr] warning: method `is_synchronized` is never used
[INFO] [stderr]   --> src/tcp.rs:27:8
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl State {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] 27 |     fn is_synchronized(&self) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `wnd`, `up`, `wl1`, and `wl2` are never read
[INFO] [stderr]   --> src/tcp.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | struct SendSequenceSpace {
[INFO] [stderr]    |        ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 87 |     wnd: u16, 
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 88 |     /// send urgent pointer
[INFO] [stderr] 89 |     up: bool,  
[INFO] [stderr]    |     ^^
[INFO] [stderr] 90 |     /// SSeqNumber for last window update 
[INFO] [stderr] 91 |     wl1: u32,
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 92 |     /// SAckNumber for last window update
[INFO] [stderr] 93 |     wl2: u32, 
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `up` and `irs` are never read
[INFO] [stderr]    --> src/tcp.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 112 | struct RecvSequenceSpace {
[INFO] [stderr]     |        ----------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 118 |     up: bool,
[INFO] [stderr]     |     ^^
[INFO] [stderr] 119 |     /// initial receive sequence number
[INFO] [stderr] 120 |     irs: u32,
[INFO] [stderr]     |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `send_rst` is never used
[INFO] [stderr]    --> src/tcp.rs:218:8
[INFO] [stderr]     |
[INFO] [stderr] 123 | impl Connection {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 218 |     fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> io::Result<()> {
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `trust` (lib) generated 12 warnings (run `cargo fix --lib -p trust` to apply 8 suggestions)
[INFO] [stderr] warning: `trust` (lib test) generated 12 warnings (12 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/trust-c79ffb52e96a21f9)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/trust-f15f66f8f65267ec)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests trust
[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 2 tests
[INFO] [stdout] test src/tcp.rs - tcp::RecvSequenceSpace (line 101) ... FAILED
[INFO] [stdout] test src/tcp.rs - tcp::SendSequenceSpace (line 69) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/tcp.rs - tcp::RecvSequenceSpace (line 101) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]    --> src/tcp.rs:102:24
[INFO] [stdout]     |
[INFO] [stdout] 102 |                        1          2          3
[INFO] [stdout]     |                        ^ expected item
[INFO] [stdout]     |
[INFO] [stdout]     = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/tcp.rs - tcp::SendSequenceSpace (line 69) stdout ----
[INFO] [stdout] error: expected item, found `1`
[INFO] [stdout]   --> src/tcp.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         1         2          3          4
[INFO] [stdout]    |         ^ expected item
[INFO] [stdout]    |
[INFO] [stdout]    = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/tcp.rs - tcp::RecvSequenceSpace (line 101)
[INFO] [stdout]     src/tcp.rs - tcp::SendSequenceSpace (line 69)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "03358f181ee017593784b52381b6521c322b5d1ce222a26f77ce469794001d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03358f181ee017593784b52381b6521c322b5d1ce222a26f77ce469794001d20", kill_on_drop: false }`
[INFO] [stdout] 03358f181ee017593784b52381b6521c322b5d1ce222a26f77ce469794001d20
