[INFO] cloning repository https://github.com/SamyshkinKostya/tcpchat [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamyshkinKostya/tcpchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamyshkinKostya%2Ftcpchat", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamyshkinKostya%2Ftcpchat'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 594ad3f6dd42d45f16d93fb395fff5743ba857f1 [INFO] checking SamyshkinKostya/tcpchat against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamyshkinKostya%2Ftcpchat" "/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/SamyshkinKostya/tcpchat [INFO] finished tweaking git repo https://github.com/SamyshkinKostya/tcpchat [INFO] tweaked toml for git repo https://github.com/SamyshkinKostya/tcpchat written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/SamyshkinKostya/tcpchat on toolchain b1f2594eac607c1f051534800237eeedb5590a49 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/SamyshkinKostya/tcpchat 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 419e0e48db9f04e969653c2386b5a49fcf36e5b2c21662c73de7d65891b84e19 [INFO] running `Command { std: "docker" "start" "-a" "419e0e48db9f04e969653c2386b5a49fcf36e5b2c21662c73de7d65891b84e19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "419e0e48db9f04e969653c2386b5a49fcf36e5b2c21662c73de7d65891b84e19", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419e0e48db9f04e969653c2386b5a49fcf36e5b2c21662c73de7d65891b84e19", kill_on_drop: false }` [INFO] [stdout] 419e0e48db9f04e969653c2386b5a49fcf36e5b2c21662c73de7d65891b84e19 [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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f3309e242df11143d337e0ac3cafb2d571e7cc562d2c4ed8f081f8a63fc939e [INFO] running `Command { std: "docker" "start" "-a" "4f3309e242df11143d337e0ac3cafb2d571e7cc562d2c4ed8f081f8a63fc939e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.147 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling rustix v0.38.3 [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Checking bitflags v2.3.3 [INFO] [stderr] Checking linux-raw-sys v0.4.3 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling anyhow v1.0.71 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Checking vte v0.10.1 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling tun-tap v0.1.3 [INFO] [stderr] Checking is-terminal v0.4.9 [INFO] [stderr] Checking colored v2.0.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking strip-ansi-escapes v0.1.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking nix v0.26.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [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-tcp v0.1.4 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking chat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `to_remove` is never read [INFO] [stdout] --> src/client.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | pub to_remove: 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: variants `Cwr`, `Ece`, `Urg`, and `Psh` are never constructed [INFO] [stdout] --> src/tcp/tcp.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum TcpFlag [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 8 | { [INFO] [stdout] 9 | Cwr = 0b10000000, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | Ece = 0b01000000, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Urg = 0b00100000, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | Ack = 0b00010000, [INFO] [stdout] 13 | Psh = 0b00001000, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_flag` is never used [INFO] [stdout] --> src/tcp/tcp.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl<'a> TcpHeader<'a> [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn set_flag(&mut self, flag: TcpFlag, value: bool) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tcp/ipv4.rs:27:59 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(data: &'a [u8]) -> Result<(IPv4Header<'a>, &[u8])> [INFO] [stdout] | -- -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(data: &'a [u8]) -> Result<(IPv4Header<'a>, &'a [u8])> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tcp/tcp.rs:47:58 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new(data: &'a [u8]) -> Result<(TcpHeader<'a>, &[u8])> [INFO] [stdout] | -- -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new(data: &'a [u8]) -> Result<(TcpHeader<'a>, &'a [u8])> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `to_remove` is never read [INFO] [stdout] --> src/client.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 13 | pub struct Client [INFO] [stdout] | ------ field in this struct [INFO] [stdout] ... [INFO] [stdout] 20 | pub to_remove: 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: variants `Cwr`, `Ece`, `Urg`, and `Psh` are never constructed [INFO] [stdout] --> src/tcp/tcp.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub enum TcpFlag [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 8 | { [INFO] [stdout] 9 | Cwr = 0b10000000, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | Ece = 0b01000000, [INFO] [stdout] | ^^^ [INFO] [stdout] 11 | Urg = 0b00100000, [INFO] [stdout] | ^^^ [INFO] [stdout] 12 | Ack = 0b00010000, [INFO] [stdout] 13 | Psh = 0b00001000, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `set_flag` is never used [INFO] [stdout] --> src/tcp/tcp.rs:124:12 [INFO] [stdout] | [INFO] [stdout] 44 | impl<'a> TcpHeader<'a> [INFO] [stdout] | ---------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 124 | pub fn set_flag(&mut self, flag: TcpFlag, value: bool) [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tcp/ipv4.rs:27:59 [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(data: &'a [u8]) -> Result<(IPv4Header<'a>, &[u8])> [INFO] [stdout] | -- -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 27 | pub fn new(data: &'a [u8]) -> Result<(IPv4Header<'a>, &'a [u8])> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/tcp/tcp.rs:47:58 [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new(data: &'a [u8]) -> Result<(TcpHeader<'a>, &[u8])> [INFO] [stdout] | -- -- ^^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | the lifetime is named here the same lifetime is named here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 47 | pub fn new(data: &'a [u8]) -> Result<(TcpHeader<'a>, &'a [u8])> [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.40s [INFO] running `Command { std: "docker" "inspect" "4f3309e242df11143d337e0ac3cafb2d571e7cc562d2c4ed8f081f8a63fc939e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f3309e242df11143d337e0ac3cafb2d571e7cc562d2c4ed8f081f8a63fc939e", kill_on_drop: false }` [INFO] [stdout] 4f3309e242df11143d337e0ac3cafb2d571e7cc562d2c4ed8f081f8a63fc939e