[INFO] cloning repository https://github.com/willeslau/mini-tcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/willeslau/mini-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilleslau%2Fmini-tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilleslau%2Fmini-tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b088f38d2f876565f4773d74a390ffbaf596b764 [INFO] checking willeslau/mini-tcp against try#c8085cfed34c45021fc8f66d073f6394b3e35431 for pr-148939 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwilleslau%2Fmini-tcp" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/willeslau/mini-tcp [INFO] finished tweaking git repo https://github.com/willeslau/mini-tcp [INFO] tweaked toml for git repo https://github.com/willeslau/mini-tcp written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/willeslau/mini-tcp on toolchain c8085cfed34c45021fc8f66d073f6394b3e35431 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/willeslau/mini-tcp 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" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tun-tap v0.1.3 [INFO] [stderr] Downloaded tokio-core v0.1.18 [INFO] [stderr] Downloaded etherparse v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d7e7e87e8694290bb369b2cb489c933c0730c993390fa0520de19ac52da9cbcd [INFO] running `Command { std: "docker" "start" "-a" "d7e7e87e8694290bb369b2cb489c933c0730c993390fa0520de19ac52da9cbcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d7e7e87e8694290bb369b2cb489c933c0730c993390fa0520de19ac52da9cbcd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7e7e87e8694290bb369b2cb489c933c0730c993390fa0520de19ac52da9cbcd", kill_on_drop: false }` [INFO] [stdout] d7e7e87e8694290bb369b2cb489c933c0730c993390fa0520de19ac52da9cbcd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+c8085cfed34c45021fc8f66d073f6394b3e35431" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 605c2aa78c59d22e65d2124086c12ca638fe360633dca13e2b4998089cd29acf [INFO] running `Command { std: "docker" "start" "-a" "605c2aa78c59d22e65d2124086c12ca638fe360633dca13e2b4998089cd29acf", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking linux-raw-sys v0.3.8 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking net2 v0.2.38 [INFO] [stderr] Checking io-lifetimes v1.0.10 [INFO] [stderr] Compiling parking_lot_core v0.6.3 [INFO] [stderr] Compiling tun-tap v0.1.3 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking regex v1.8.1 [INFO] [stderr] Checking arrayvec v0.7.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking etherparse v0.13.0 [INFO] [stderr] Checking parking_lot v0.9.0 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking rustix v0.37.19 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [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-threadpool v0.1.18 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking is-terminal v0.4.7 [INFO] [stderr] Checking env_logger v0.10.0 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking mini-tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | Established(Connection), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 71 - Established(Connection), [INFO] [stdout] 71 + Established(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:71:17 [INFO] [stdout] | [INFO] [stdout] 71 | Established(Connection), [INFO] [stdout] | ----------- ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 71 - Established(Connection), [INFO] [stdout] 71 + Established(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tcp/mod.rs:20:34 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse_connection_id(data: &[u8]) -> Result<(ConnectionID, Ipv4HeaderSlice, TcpHeaderSlice)> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse_connection_id(data: &[u8]) -> Result<(ConnectionID, Ipv4HeaderSlice<'_>, TcpHeaderSlice<'_>)> { [INFO] [stdout] | ++++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/tcp/mod.rs:20:34 [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse_connection_id(data: &[u8]) -> Result<(ConnectionID, Ipv4HeaderSlice, TcpHeaderSlice)> { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden here [INFO] [stdout] | the lifetime is elided 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: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 20 | pub fn parse_connection_id(data: &[u8]) -> Result<(ConnectionID, Ipv4HeaderSlice<'_>, TcpHeaderSlice<'_>)> { [INFO] [stdout] | ++++ ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "605c2aa78c59d22e65d2124086c12ca638fe360633dca13e2b4998089cd29acf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "605c2aa78c59d22e65d2124086c12ca638fe360633dca13e2b4998089cd29acf", kill_on_drop: false }` [INFO] [stdout] 605c2aa78c59d22e65d2124086c12ca638fe360633dca13e2b4998089cd29acf