[INFO] cloning repository https://github.com/lbernick/tcp [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lbernick/tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbernick%2Ftcp"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbernick%2Ftcp'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 56beeee2d1710266be58e6ac4e5f568711001c37 [INFO] checking lbernick/tcp against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flbernick%2Ftcp" "/workspace/builds/worker-2/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lbernick/tcp on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/lbernick/tcp [INFO] finished tweaking git repo https://github.com/lbernick/tcp [INFO] tweaked toml for git repo https://github.com/lbernick/tcp written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/lbernick/tcp already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 27cae4a69be902abaf236de85bc9e9b3f9e158367c8f67da4a65a49cc669442c [INFO] running `"docker" "start" "-a" "27cae4a69be902abaf236de85bc9e9b3f9e158367c8f67da4a65a49cc669442c"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling regex v1.0.6 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bitflags v0.5.0 [INFO] [stderr] Compiling utf8-ranges v1.0.4 [INFO] [stderr] Compiling pnet v0.25.0 [INFO] [stderr] Compiling syntex_pos v0.42.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking pnet_sys v0.25.0 [INFO] [stderr] Checking ipnetwork v0.15.1 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Checking pnet_datalink v0.25.0 [INFO] [stderr] Compiling syntex_errors v0.42.0 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling syntex_syntax v0.42.0 [INFO] [stderr] Compiling syntex v0.42.2 [INFO] [stderr] Compiling pnet_macros v0.25.0 [INFO] [stderr] Compiling pnet_packet v0.25.0 [INFO] [stderr] Checking pnet_transport v0.25.0 [INFO] [stderr] Checking tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/connection.rs:105:11 [INFO] [stderr] | [INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Listen` [INFO] [stderr] --> src/connection.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Listen, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SynSent` [INFO] [stderr] --> src/connection.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | SynSent, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SynReceived` [INFO] [stderr] --> src/connection.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | SynReceived, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FinWait1` [INFO] [stderr] --> src/connection.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | FinWait1, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FinWait2` [INFO] [stderr] --> src/connection.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | FinWait2, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CloseWait` [INFO] [stderr] --> src/connection.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | CloseWait, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closing` [INFO] [stderr] --> src/connection.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Closing, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LastAck` [INFO] [stderr] --> src/connection.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | LastAck, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TimeWait` [INFO] [stderr] --> src/connection.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | TimeWait, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closed` [INFO] [stderr] --> src/connection.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Closed, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `receiver` [INFO] [stderr] --> src/connection.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | receiver: pnet::transport::TransportReceiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `recv` [INFO] [stderr] --> src/connection.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn recv(&self) -> Result<&[u8], &str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `close` [INFO] [stderr] --> src/connection.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | fn close(&mut self) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `listen` [INFO] [stderr] --> src/connection.rs:105:4 [INFO] [stderr] | [INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/connection.rs:105:11 [INFO] [stderr] | [INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Listen` [INFO] [stderr] --> src/connection.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Listen, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SynSent` [INFO] [stderr] --> src/connection.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | SynSent, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `SynReceived` [INFO] [stderr] --> src/connection.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | SynReceived, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FinWait1` [INFO] [stderr] --> src/connection.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | FinWait1, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `FinWait2` [INFO] [stderr] --> src/connection.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | FinWait2, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CloseWait` [INFO] [stderr] --> src/connection.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | CloseWait, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closing` [INFO] [stderr] --> src/connection.rs:23:5 [INFO] [stderr] | [INFO] [stderr] 23 | Closing, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LastAck` [INFO] [stderr] --> src/connection.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | LastAck, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `TimeWait` [INFO] [stderr] --> src/connection.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | TimeWait, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closed` [INFO] [stderr] --> src/connection.rs:26:5 [INFO] [stderr] | [INFO] [stderr] 26 | Closed, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `receiver` [INFO] [stderr] --> src/connection.rs:36:5 [INFO] [stderr] | [INFO] [stderr] 36 | receiver: pnet::transport::TransportReceiver, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `recv` [INFO] [stderr] --> src/connection.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | fn recv(&self) -> Result<&[u8], &str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `close` [INFO] [stderr] --> src/connection.rs:76:5 [INFO] [stderr] | [INFO] [stderr] 76 | fn close(&mut self) -> Result<(), &str> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `listen` [INFO] [stderr] --> src/connection.rs:105:4 [INFO] [stderr] | [INFO] [stderr] 105 | fn listen(addr: &SocketAddrV4) -> Connection { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 15 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 09s [INFO] running `"docker" "inspect" "27cae4a69be902abaf236de85bc9e9b3f9e158367c8f67da4a65a49cc669442c"` [INFO] running `"docker" "rm" "-f" "27cae4a69be902abaf236de85bc9e9b3f9e158367c8f67da4a65a49cc669442c"` [INFO] [stdout] 27cae4a69be902abaf236de85bc9e9b3f9e158367c8f67da4a65a49cc669442c