[INFO] cloning repository https://github.com/Tomiyou/tcp_implementation_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tomiyou/tcp_implementation_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_implementation_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_implementation_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 92ffddde7f49453b740f50fd8f17ee3f22b89129 [INFO] checking Tomiyou/tcp_implementation_rust against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTomiyou%2Ftcp_implementation_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Tomiyou/tcp_implementation_rust on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Tomiyou/tcp_implementation_rust [INFO] finished tweaking git repo https://github.com/Tomiyou/tcp_implementation_rust [INFO] tweaked toml for git repo https://github.com/Tomiyou/tcp_implementation_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Tomiyou/tcp_implementation_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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 etherparse v0.9.0 [INFO] [stderr] Downloaded tun-tap v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1f88c346d19b66be307ab5c8a44c2028aba19d41c9b9cee3511b01416d7dfa31 [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" "1f88c346d19b66be307ab5c8a44c2028aba19d41c9b9cee3511b01416d7dfa31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1f88c346d19b66be307ab5c8a44c2028aba19d41c9b9cee3511b01416d7dfa31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1f88c346d19b66be307ab5c8a44c2028aba19d41c9b9cee3511b01416d7dfa31", kill_on_drop: false }` [INFO] [stdout] 1f88c346d19b66be307ab5c8a44c2028aba19d41c9b9cee3511b01416d7dfa31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 6496dc0cb9c03b620477b64badd65628828302c4d37f29e53e6449bb5cdf6ba7 [INFO] running `Command { std: "docker" "start" "-a" "6496dc0cb9c03b620477b64badd65628828302c4d37f29e53e6449bb5cdf6ba7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.77 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling cc v1.0.59 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking etherparse v0.9.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.35 [INFO] [stderr] Compiling tun-tap v0.1.2 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking mio v0.6.22 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-io v0.1.13 [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-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Checking tcp_implementation v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `ip_header` [INFO] [stdout] --> src/tcp.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | ip_header: etherparse::Ipv4HeaderSlice<'a>, [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: `tcp_header` [INFO] [stdout] --> src/tcp.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | tcp_header: etherparse::TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:288:9 [INFO] [stdout] | [INFO] [stdout] 288 | data: &[u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SynSent` [INFO] [stdout] --> src/tcp.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CloseWait` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closing` [INFO] [stdout] --> src/tcp.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_synchronized` [INFO] [stdout] --> src/tcp.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send_reset` [INFO] [stdout] --> src/tcp.rs:284:8 [INFO] [stdout] | [INFO] [stdout] 284 | fn send_reset( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `buf_len` should have an upper case name [INFO] [stdout] --> src/tcp.rs:54:15 [INFO] [stdout] | [INFO] [stdout] 54 | const buf_len: usize = 1504; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `BUF_LEN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ip_header` [INFO] [stdout] --> src/tcp.rs:171:9 [INFO] [stdout] | [INFO] [stdout] 171 | ip_header: etherparse::Ipv4HeaderSlice<'a>, [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: `tcp_header` [INFO] [stdout] --> src/tcp.rs:287:9 [INFO] [stdout] | [INFO] [stdout] 287 | tcp_header: etherparse::TcpHeaderSlice, [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tcp_header` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data` [INFO] [stdout] --> src/tcp.rs:288:9 [INFO] [stdout] | [INFO] [stdout] 288 | data: &[u8], [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_data` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closed` [INFO] [stdout] --> src/tcp.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | Closed, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Listen` [INFO] [stdout] --> src/tcp.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `SynSent` [INFO] [stdout] --> src/tcp.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CloseWait` [INFO] [stdout] --> src/tcp.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Closing` [INFO] [stdout] --> src/tcp.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 22 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_synchronized` [INFO] [stdout] --> src/tcp.rs:26:8 [INFO] [stdout] | [INFO] [stdout] 26 | fn is_synchronized(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `wnd` [INFO] [stdout] --> src/tcp.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | wnd: u16, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `up` [INFO] [stdout] --> src/tcp.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | up: bool, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `irs` [INFO] [stdout] --> src/tcp.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | irs: u32, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `send_reset` [INFO] [stdout] --> src/tcp.rs:284:8 [INFO] [stdout] | [INFO] [stdout] 284 | fn send_reset( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `buf_len` should have an upper case name [INFO] [stdout] --> src/tcp.rs:54:15 [INFO] [stdout] | [INFO] [stdout] 54 | const buf_len: usize = 1504; [INFO] [stdout] | ^^^^^^^ help: convert the identifier to upper case: `BUF_LEN` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.98s [INFO] running `Command { std: "docker" "inspect" "6496dc0cb9c03b620477b64badd65628828302c4d37f29e53e6449bb5cdf6ba7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6496dc0cb9c03b620477b64badd65628828302c4d37f29e53e6449bb5cdf6ba7", kill_on_drop: false }` [INFO] [stdout] 6496dc0cb9c03b620477b64badd65628828302c4d37f29e53e6449bb5cdf6ba7