[INFO] cloning repository https://github.com/jayrabjohns/tcp-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jayrabjohns/tcp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 16bc137a8cef638f98cc6330b8a81fa39fbd251b
[INFO] checking jayrabjohns/tcp-rs against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jayrabjohns/tcp-rs
[INFO] finished tweaking git repo https://github.com/jayrabjohns/tcp-rs
[INFO] tweaked toml for git repo https://github.com/jayrabjohns/tcp-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jayrabjohns/tcp-rs on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jayrabjohns/tcp-rs 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking jayrabjohns/tcp-rs against try#c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6 for pr-145463
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjayrabjohns%2Ftcp-rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jayrabjohns/tcp-rs
[INFO] finished tweaking git repo https://github.com/jayrabjohns/tcp-rs
[INFO] tweaked toml for git repo https://github.com/jayrabjohns/tcp-rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jayrabjohns/tcp-rs on toolchain c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jayrabjohns/tcp-rs 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" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tun-tap v0.1.4
[INFO] [stderr]   Downloaded tokio-core v0.1.18
[INFO] [stderr]   Downloaded etherparse v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11abf95b673177319f72c1c5fe311e0ca6e711fc2d996af2c541ede36c6d602a
[INFO] running `Command { std: "docker" "start" "-a" "11abf95b673177319f72c1c5fe311e0ca6e711fc2d996af2c541ede36c6d602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11abf95b673177319f72c1c5fe311e0ca6e711fc2d996af2c541ede36c6d602a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11abf95b673177319f72c1c5fe311e0ca6e711fc2d996af2c541ede36c6d602a", kill_on_drop: false }`
[INFO] [stdout] 11abf95b673177319f72c1c5fe311e0ca6e711fc2d996af2c541ede36c6d602a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c6f1a85c8f06c93ddc6200caf413929a2e7e7dd6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 787886a23cb0974f5b92a120b2bc195198a4e2b4a9528f461cdc565b92377fde
[INFO] running `Command { std: "docker" "start" "-a" "787886a23cb0974f5b92a120b2bc195198a4e2b4a9528f461cdc565b92377fde", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.89
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling cc v1.1.15
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking etherparse v0.15.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling tun-tap v0.1.4
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]     Checking tcp_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip_header`
[INFO] [stdout]    --> src/tcp.rs:165:9
[INFO] [stdout]     |
[INFO] [stdout] 165 |         ip_header: Ipv4HeaderSlice,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ip_header`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SendSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |     /// Segment sequence number used for last window update
[INFO] [stdout] 33 |     pub wl1: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stdout] 35 |     pub wl2: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct RecvSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |     /// initial receive sequence number
[INFO] [stdout] 60 |     pub irs: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl Tcb {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read
[INFO] [stdout]   --> src/tcp.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | struct SendSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 32 |     /// Segment sequence number used for last window update
[INFO] [stdout] 33 |     pub wl1: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 34 |     /// Segment acknowledgement number used for last window update
[INFO] [stdout] 35 |     pub wl2: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `up` and `irs` are never read
[INFO] [stdout]   --> src/tcp.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | struct RecvSequenceVariables {
[INFO] [stdout]    |        --------------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub up: bool,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 59 |     /// initial receive sequence number
[INFO] [stdout] 60 |     pub irs: u32,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_rst` is never used
[INFO] [stdout]    --> src/tcp.rs:278:8
[INFO] [stdout]     |
[INFO] [stdout]  81 | impl Tcb {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 278 |     fn send_rst(&mut self, nic: &Iface) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "787886a23cb0974f5b92a120b2bc195198a4e2b4a9528f461cdc565b92377fde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787886a23cb0974f5b92a120b2bc195198a4e2b4a9528f461cdc565b92377fde", kill_on_drop: false }`
[INFO] [stdout] 787886a23cb0974f5b92a120b2bc195198a4e2b4a9528f461cdc565b92377fde