[INFO] updating cached repository sidebog7/tcpr
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sidebog7/tcpr
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sidebog7/tcpr" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sidebog7/tcpr"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sidebog7/tcpr'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sidebog7/tcpr" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sidebog7/tcpr"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sidebog7/tcpr'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59efd43ae424179f48e5b516408f887c8de25966
[INFO] sha for GitHub repo sidebog7/tcpr: 59efd43ae424179f48e5b516408f887c8de25966
[INFO] validating manifest of sidebog7/tcpr on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sidebog7/tcpr on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sidebog7/tcpr
[INFO] finished frobbing sidebog7/tcpr
[INFO] frobbed toml for sidebog7/tcpr written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/sidebog7/tcpr/Cargo.toml
[INFO] started frobbing sidebog7/tcpr
[INFO] finished frobbing sidebog7/tcpr
[INFO] frobbed toml for sidebog7/tcpr written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sidebog7/tcpr/Cargo.toml
[INFO] crate sidebog7/tcpr already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sidebog7/tcpr against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/sidebog7/tcpr:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0c1d11aa585ff8db0f7a53ec10f87bbcfb9ef5566053e422a97bebdfed3c32b
[INFO] running `"docker" "start" "-a" "d0c1d11aa585ff8db0f7a53ec10f87bbcfb9ef5566053e422a97bebdfed3c32b"`
[INFO] [stderr]    Compiling tun-tap v0.1.2
[INFO] [stderr]     Checking etherparse v0.8.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.17
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tcpr v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => {}
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/tcp.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         data: &'a [u8],
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nic`
[INFO] [stderr]    --> src/tcp.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         nic: &mut tun_tap::Iface,
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_nic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iph`
[INFO] [stderr]    --> src/tcp.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         iph: etherparse::Ipv4HeaderSlice<'a>,
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_iph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tcph`
[INFO] [stderr]    --> src/tcp.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         tcph: etherparse::TcpHeaderSlice<'a>,
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_tcph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/tcp.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         data: &'a [u8],
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Established`
[INFO] [stderr]  --> src/tcp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Established,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]  --> src/tcp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     state: State,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `una`
[INFO] [stderr]   --> src/tcp.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     una: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `nxt`
[INFO] [stderr]   --> src/tcp.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     nxt: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `up`
[INFO] [stderr]   --> src/tcp.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     up: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wl1`
[INFO] [stderr]   --> src/tcp.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     wl1: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wl2`
[INFO] [stderr]   --> src/tcp.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     wl2: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wnd`
[INFO] [stderr]   --> src/tcp.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     wnd: u16,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `up`
[INFO] [stderr]   --> src/tcp.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     up: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `irs`
[INFO] [stderr]   --> src/tcp.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     irs: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             conn.iph.write(&mut unwritten);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             syn_ack.write(&mut unwritten);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/main.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |             Err(e) => {}
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/tcp.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |         data: &'a [u8],
[INFO] [stderr]    |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nic`
[INFO] [stderr]    --> src/tcp.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         nic: &mut tun_tap::Iface,
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_nic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `iph`
[INFO] [stderr]    --> src/tcp.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         iph: etherparse::Ipv4HeaderSlice<'a>,
[INFO] [stderr]     |         ^^^ help: consider prefixing with an underscore: `_iph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `tcph`
[INFO] [stderr]    --> src/tcp.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         tcph: etherparse::TcpHeaderSlice<'a>,
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_tcph`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/tcp.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         data: &'a [u8],
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Established`
[INFO] [stderr]  --> src/tcp.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Established,
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `state`
[INFO] [stderr]  --> src/tcp.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     state: State,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `una`
[INFO] [stderr]   --> src/tcp.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     una: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `nxt`
[INFO] [stderr]   --> src/tcp.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     nxt: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `up`
[INFO] [stderr]   --> src/tcp.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     up: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wl1`
[INFO] [stderr]   --> src/tcp.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     wl1: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wl2`
[INFO] [stderr]   --> src/tcp.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     wl2: usize,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `wnd`
[INFO] [stderr]   --> src/tcp.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     wnd: u16,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `up`
[INFO] [stderr]   --> src/tcp.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 |     up: bool,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `irs`
[INFO] [stderr]   --> src/tcp.rs:40:5
[INFO] [stderr]    |
[INFO] [stderr] 40 |     irs: u32,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             conn.iph.write(&mut unwritten);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/tcp.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |             syn_ack.write(&mut unwritten);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.38s
[INFO] running `"docker" "inspect" "d0c1d11aa585ff8db0f7a53ec10f87bbcfb9ef5566053e422a97bebdfed3c32b"`
[INFO] running `"docker" "rm" "-f" "d0c1d11aa585ff8db0f7a53ec10f87bbcfb9ef5566053e422a97bebdfed3c32b"`
[INFO] [stdout] d0c1d11aa585ff8db0f7a53ec10f87bbcfb9ef5566053e422a97bebdfed3c32b