[INFO] cloning repository https://github.com/pjzhong/rust_tcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pjzhong/rust_tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b4870b255664df0a6ac6aa43f8d8387024faec92 [INFO] checking pjzhong/rust_tcp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpjzhong%2Frust_tcp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pjzhong/rust_tcp on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pjzhong/rust_tcp [INFO] finished tweaking git repo https://github.com/pjzhong/rust_tcp [INFO] tweaked toml for git repo https://github.com/pjzhong/rust_tcp written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pjzhong/rust_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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nix v0.13.1 [INFO] [stderr] Downloaded tun-tap v0.1.4 [INFO] [stderr] Downloaded etherparse v0.13.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 72fd30a43f76f764bcedd024eb7aa777f37da0f50b3c454e6ff908ab0d218492 [INFO] running `Command { std: "docker" "start" "-a" "72fd30a43f76f764bcedd024eb7aa777f37da0f50b3c454e6ff908ab0d218492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "72fd30a43f76f764bcedd024eb7aa777f37da0f50b3c454e6ff908ab0d218492", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "72fd30a43f76f764bcedd024eb7aa777f37da0f50b3c454e6ff908ab0d218492", kill_on_drop: false }` [INFO] [stdout] 72fd30a43f76f764bcedd024eb7aa777f37da0f50b3c454e6ff908ab0d218492 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7496bc457fa866f73bcc8c99f2fa3013fb80e2e97ef903ac2273a1828ae89d0 [INFO] running `Command { std: "docker" "start" "-a" "e7496bc457fa866f73bcc8c99f2fa3013fb80e2e97ef903ac2273a1828ae89d0", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling semver-parser v0.7.0 [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 libc v0.2.151 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling nix v0.13.1 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking etherparse v0.13.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking smallvec v0.6.14 [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 crossbeam-deque v0.7.4 [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 bytes v0.4.12 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Compiling cc v1.0.83 [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 v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Compiling tun-tap v0.1.4 [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 v0.1.18 [INFO] [stderr] Checking trust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:399:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 399 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> Result<(), TcpErr> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:543:5 [INFO] [stdout] | [INFO] [stdout] 539 | pub struct SendSeuquenceSpace { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 543 | up: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 544 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 545 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendSeuquenceSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:567:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct ReceiveSequenceSpace { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 567 | up: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 568 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceiveSequenceSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `send_rst` is never used [INFO] [stdout] --> src/tcp.rs:399:8 [INFO] [stdout] | [INFO] [stdout] 42 | impl Connection { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 399 | fn send_rst(&mut self, nic: &mut tun_tap::Iface) -> Result<(), TcpErr> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up`, `wl1`, and `wl2` are never read [INFO] [stdout] --> src/tcp.rs:543:5 [INFO] [stdout] | [INFO] [stdout] 539 | pub struct SendSeuquenceSpace { [INFO] [stdout] | ------------------ fields in this struct [INFO] [stdout] ... [INFO] [stdout] 543 | up: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 544 | wl1: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] 545 | wl2: usize, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `SendSeuquenceSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `up` and `irs` are never read [INFO] [stdout] --> src/tcp.rs:567:5 [INFO] [stdout] | [INFO] [stdout] 564 | pub struct ReceiveSequenceSpace { [INFO] [stdout] | -------------------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 567 | up: u16, [INFO] [stdout] | ^^ [INFO] [stdout] 568 | irs: u32, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReceiveSequenceSpace` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.46s [INFO] running `Command { std: "docker" "inspect" "e7496bc457fa866f73bcc8c99f2fa3013fb80e2e97ef903ac2273a1828ae89d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7496bc457fa866f73bcc8c99f2fa3013fb80e2e97ef903ac2273a1828ae89d0", kill_on_drop: false }` [INFO] [stdout] e7496bc457fa866f73bcc8c99f2fa3013fb80e2e97ef903ac2273a1828ae89d0