[INFO] cloning repository https://github.com/daniel-mccarthy16/wtf-is-tcp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-mccarthy16/wtf-is-tcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-mccarthy16%2Fwtf-is-tcp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-mccarthy16%2Fwtf-is-tcp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18a543865956ed5c0fe949451e6812a09f5ee3c1 [INFO] checking daniel-mccarthy16/wtf-is-tcp against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-mccarthy16%2Fwtf-is-tcp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daniel-mccarthy16/wtf-is-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/daniel-mccarthy16/wtf-is-tcp [INFO] finished tweaking git repo https://github.com/daniel-mccarthy16/wtf-is-tcp [INFO] tweaked toml for git repo https://github.com/daniel-mccarthy16/wtf-is-tcp written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/daniel-mccarthy16/wtf-is-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ffc4d099a2a311fbdc32aab3475fa1351a98a6efd1fa7a0419ee1de6de6b18db [INFO] running `Command { std: "docker" "start" "-a" "ffc4d099a2a311fbdc32aab3475fa1351a98a6efd1fa7a0419ee1de6de6b18db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffc4d099a2a311fbdc32aab3475fa1351a98a6efd1fa7a0419ee1de6de6b18db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc4d099a2a311fbdc32aab3475fa1351a98a6efd1fa7a0419ee1de6de6b18db", kill_on_drop: false }` [INFO] [stdout] ffc4d099a2a311fbdc32aab3475fa1351a98a6efd1fa7a0419ee1de6de6b18db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ebceccbb3cb1f14d0456edb525e0b975bddab5e6cd4064ff3b4b0f21e1db274c [INFO] running `Command { std: "docker" "start" "-a" "ebceccbb3cb1f14d0456edb525e0b975bddab5e6cd4064ff3b4b0f21e1db274c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking etherparse v0.13.0 [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 tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking crossbeam-deque v0.7.4 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.39 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Compiling cc v1.0.83 [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 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] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking rust_space_tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/connections.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/connections.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/unixsocket.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn handle_socket_message( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static ... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:113:48 [INFO] [stdout] | [INFO] [stdout] 113 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:127:79 [INFO] [stdout] | [INFO] [stdout] 127 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:149:48 [INFO] [stdout] | [INFO] [stdout] 149 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:149:81 [INFO] [stdout] | [INFO] [stdout] 149 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `client_acknowledgement_number`, `inbound_buffer`, and `outbound_buffer` are never read [INFO] [stdout] --> src/connections.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | client_acknowledgement_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | inbound_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | outbound_buffer: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/connections.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum ConnectionState { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 143 | Unitialized, [INFO] [stdout] 144 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 145 | SynReceived, [INFO] [stdout] 146 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 147 | Established, [INFO] [stdout] 148 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 149 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 150 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 151 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 152 | LastAct, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 153 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 154 | Closed [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stream` is never read [INFO] [stdout] --> src/unixsocket.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ClientConnection { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 11 | stream: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/unixsocket.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn handle_socket_message( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static ... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:113:48 [INFO] [stdout] | [INFO] [stdout] 113 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:127:79 [INFO] [stdout] | [INFO] [stdout] 127 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:149:48 [INFO] [stdout] | [INFO] [stdout] 149 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:149:81 [INFO] [stdout] | [INFO] [stdout] 149 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `client_acknowledgement_number`, `inbound_buffer`, and `outbound_buffer` are never read [INFO] [stdout] --> src/connections.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | client_acknowledgement_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | inbound_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | outbound_buffer: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/connections.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum ConnectionState { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 143 | Unitialized, [INFO] [stdout] 144 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 145 | SynReceived, [INFO] [stdout] 146 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 147 | Established, [INFO] [stdout] 148 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 149 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 150 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 151 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 152 | LastAct, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 153 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 154 | Closed [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stream` is never read [INFO] [stdout] --> src/unixsocket.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ClientConnection { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 11 | stream: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.98s [INFO] running `Command { std: "docker" "inspect" "ebceccbb3cb1f14d0456edb525e0b975bddab5e6cd4064ff3b4b0f21e1db274c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebceccbb3cb1f14d0456edb525e0b975bddab5e6cd4064ff3b4b0f21e1db274c", kill_on_drop: false }` [INFO] [stdout] ebceccbb3cb1f14d0456edb525e0b975bddab5e6cd4064ff3b4b0f21e1db274c [INFO] checking daniel-mccarthy16/wtf-is-tcp against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-mccarthy16%2Fwtf-is-tcp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/daniel-mccarthy16/wtf-is-tcp on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/daniel-mccarthy16/wtf-is-tcp [INFO] finished tweaking git repo https://github.com/daniel-mccarthy16/wtf-is-tcp [INFO] tweaked toml for git repo https://github.com/daniel-mccarthy16/wtf-is-tcp written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/daniel-mccarthy16/wtf-is-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4e1071694f41d02047202a60594a2c54c0918195e9c3cf4ab31227f8e97d10f [INFO] running `Command { std: "docker" "start" "-a" "e4e1071694f41d02047202a60594a2c54c0918195e9c3cf4ab31227f8e97d10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4e1071694f41d02047202a60594a2c54c0918195e9c3cf4ab31227f8e97d10f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e1071694f41d02047202a60594a2c54c0918195e9c3cf4ab31227f8e97d10f", kill_on_drop: false }` [INFO] [stdout] e4e1071694f41d02047202a60594a2c54c0918195e9c3cf4ab31227f8e97d10f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 77dfd639f9023fc10cce8bb8fc9530a3f4289835852d9b5fec835feaecaa80f7 [INFO] running `Command { std: "docker" "start" "-a" "77dfd639f9023fc10cce8bb8fc9530a3f4289835852d9b5fec835feaecaa80f7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking arrayvec v0.7.4 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking etherparse v0.13.0 [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] Compiling cc v1.0.83 [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 mio v0.6.23 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [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] Compiling tun-tap v0.1.4 [INFO] [stderr] Checking tokio-fs v0.1.7 [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 v0.1.22 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking rust_space_tcp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/connections.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/connections.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/unixsocket.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn handle_socket_message( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static ... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `payload` [INFO] [stdout] --> src/unixsocket.rs:113:32 [INFO] [stdout] | [INFO] [stdout] 113 | fn handle_socket_message( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static ... [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:113:48 [INFO] [stdout] | [INFO] [stdout] 113 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:113:48 [INFO] [stdout] | [INFO] [stdout] 113 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:127:46 [INFO] [stdout] | [INFO] [stdout] 127 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:127:79 [INFO] [stdout] | [INFO] [stdout] 127 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:127:79 [INFO] [stdout] | [INFO] [stdout] 127 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:149:48 [INFO] [stdout] | [INFO] [stdout] 149 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `response_buffer` [INFO] [stdout] --> src/unixsocket.rs:149:48 [INFO] [stdout] | [INFO] [stdout] 149 | ...e( payload: &[u8], response_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_response_buffer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:149:81 [INFO] [stdout] | [INFO] [stdout] 149 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stream` [INFO] [stdout] --> src/unixsocket.rs:149:81 [INFO] [stdout] | [INFO] [stdout] 149 | ...onse_buffer: &mut Vec::, stream: &Arc> ) -> Result<(), &'static str> { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_stream` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `client_acknowledgement_number`, `inbound_buffer`, and `outbound_buffer` are never read [INFO] [stdout] --> src/connections.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | client_acknowledgement_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | inbound_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | outbound_buffer: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `client_acknowledgement_number`, `inbound_buffer`, and `outbound_buffer` are never read [INFO] [stdout] --> src/connections.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub struct Connection { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 19 | client_acknowledgement_number: u32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | inbound_buffer: Vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 24 | outbound_buffer: Vec [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/connections.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum ConnectionState { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 143 | Unitialized, [INFO] [stdout] 144 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 145 | SynReceived, [INFO] [stdout] 146 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 147 | Established, [INFO] [stdout] 148 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 149 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 150 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 151 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 152 | LastAct, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 153 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 154 | Closed [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/connections.rs:144:5 [INFO] [stdout] | [INFO] [stdout] 142 | enum ConnectionState { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 143 | Unitialized, [INFO] [stdout] 144 | Listen, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 145 | SynReceived, [INFO] [stdout] 146 | SynSent, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 147 | Established, [INFO] [stdout] 148 | FinWait1, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 149 | FinWait2, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 150 | CloseWait, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 151 | Closing, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 152 | LastAct, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 153 | TimeWait, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 154 | Closed [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stream` is never read [INFO] [stdout] --> src/unixsocket.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ClientConnection { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 11 | stream: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `stream` is never read [INFO] [stdout] --> src/unixsocket.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 10 | struct ClientConnection { [INFO] [stdout] | ---------------- field in this struct [INFO] [stdout] 11 | stream: Arc>, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.30s [INFO] running `Command { std: "docker" "inspect" "77dfd639f9023fc10cce8bb8fc9530a3f4289835852d9b5fec835feaecaa80f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77dfd639f9023fc10cce8bb8fc9530a3f4289835852d9b5fec835feaecaa80f7", kill_on_drop: false }` [INFO] [stdout] 77dfd639f9023fc10cce8bb8fc9530a3f4289835852d9b5fec835feaecaa80f7