[INFO] fetching crate netstack 0.3.0... [INFO] checking netstack-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate netstack 0.3.0 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate netstack 0.3.0 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 crates.io crate netstack 0.3.0 [INFO] finished tweaking crates.io crate netstack 0.3.0 [INFO] tweaked toml for crates.io crate netstack 0.3.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--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] Locking 36 packages [INFO] [stderr] Adding bitvec v0.17.4 (latest: v1.0.1) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding crypto-mac v0.7.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding hmac v0.7.1 (latest: v0.12.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding radium v0.3.0 (latest: v1.1.0) [INFO] [stderr] Adding sha2 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding subtle v1.0.0 (latest: v2.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded radium v0.3.0 [INFO] [stderr] Downloaded bitvec v0.17.4 [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] e21c71e60f1f133998d743e0c459b6e652a05b8cf6b1fdb092ee8d1721b020e0 [INFO] running `Command { std: "docker" "start" "-a" "e21c71e60f1f133998d743e0c459b6e652a05b8cf6b1fdb092ee8d1721b020e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e21c71e60f1f133998d743e0c459b6e652a05b8cf6b1fdb092ee8d1721b020e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e21c71e60f1f133998d743e0c459b6e652a05b8cf6b1fdb092ee8d1721b020e0", kill_on_drop: false }` [INFO] [stdout] e21c71e60f1f133998d743e0c459b6e652a05b8cf6b1fdb092ee8d1721b020e0 [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] d00df80e6610acfc5ec3ed76d2fa08445e6082718e60ed13019695339985ffb4 [INFO] running `Command { std: "docker" "start" "-a" "d00df80e6610acfc5ec3ed76d2fa08445e6082718e60ed13019695339985ffb4", kill_on_drop: false }` [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking netstack v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SerializationError` [INFO] [stdout] --> src/serialization/writer.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{Serializer, SerializationError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SerializationError` [INFO] [stdout] --> src/serialization/writer.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{Serializer, SerializationError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn serialize_string(&mut self, value: &str) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn serialize_u8(&mut self, value: &u8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn serialize_i8(&mut self, value: &i8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | fn serialize_u16(&mut self, value: &u16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:22:33 [INFO] [stdout] | [INFO] [stdout] 22 | fn serialize_i16(&mut self, value: &i16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | fn serialize_u32(&mut self, value: &u32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | fn serialize_i32(&mut self, value: &i32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:25:33 [INFO] [stdout] | [INFO] [stdout] 25 | fn serialize_u64(&mut self, value: &u64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | fn serialize_i64(&mut self, value: &i64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn serialize_f32(&mut self, value: &f32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:28:33 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize_f64(&mut self, value: &f64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_var_int` is never used [INFO] [stdout] --> src/serialization/reader.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Reader<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn read_var_int(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `position` are never read [INFO] [stdout] --> src/serialization/writer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Writer<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 4 | buffer: &'a mut [u8], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn serialize_string(&mut self, value: &str) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn serialize_u8(&mut self, value: &u8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn serialize_i8(&mut self, value: &i8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | fn serialize_u16(&mut self, value: &u16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:22:33 [INFO] [stdout] | [INFO] [stdout] 22 | fn serialize_i16(&mut self, value: &i16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | fn serialize_u32(&mut self, value: &u32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | fn serialize_i32(&mut self, value: &i32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:25:33 [INFO] [stdout] | [INFO] [stdout] 25 | fn serialize_u64(&mut self, value: &u64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | fn serialize_i64(&mut self, value: &i64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn serialize_f32(&mut self, value: &f32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:28:33 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize_f64(&mut self, value: &f64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_var_int` is never used [INFO] [stdout] --> src/serialization/reader.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Reader<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn read_var_int(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `position` are never read [INFO] [stdout] --> src/serialization/writer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Writer<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 4 | buffer: &'a mut [u8], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `encode` is never used [INFO] [stdout] --> src/serialization/zig_zag.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn encode(value: i64) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode` is never used [INFO] [stdout] --> src/serialization/zig_zag.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn decode(value: u64) -> i64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.95s [INFO] running `Command { std: "docker" "inspect" "d00df80e6610acfc5ec3ed76d2fa08445e6082718e60ed13019695339985ffb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d00df80e6610acfc5ec3ed76d2fa08445e6082718e60ed13019695339985ffb4", kill_on_drop: false }` [INFO] [stdout] d00df80e6610acfc5ec3ed76d2fa08445e6082718e60ed13019695339985ffb4 [INFO] checking netstack-0.3.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate netstack 0.3.0 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate netstack 0.3.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate netstack 0.3.0 [INFO] finished tweaking crates.io crate netstack 0.3.0 [INFO] tweaked toml for crates.io crate netstack 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 36 packages [INFO] [stderr] Adding bitvec v0.17.4 (latest: v1.0.1) [INFO] [stderr] Adding block-buffer v0.7.3 (latest: v0.10.4) [INFO] [stderr] Adding block-padding v0.1.5 (latest: v0.3.3) [INFO] [stderr] Adding crypto-mac v0.7.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.8.1 (latest: v0.10.7) [INFO] [stderr] Adding generic-array v0.12.4 (latest: v1.0.0) [INFO] [stderr] Adding hmac v0.7.1 (latest: v0.12.1) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding opaque-debug v0.2.3 (latest: v0.3.1) [INFO] [stderr] Adding radium v0.3.0 (latest: v1.1.0) [INFO] [stderr] Adding sha2 v0.8.2 (latest: v0.10.8) [INFO] [stderr] Adding subtle v1.0.0 (latest: v2.5.0) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding synstructure v0.12.6 (latest: v0.13.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ac8fcc2295669d9f6622f76900fcd7643535bbefd06d8b92da42de1aea78654b [INFO] running `Command { std: "docker" "start" "-a" "ac8fcc2295669d9f6622f76900fcd7643535bbefd06d8b92da42de1aea78654b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ac8fcc2295669d9f6622f76900fcd7643535bbefd06d8b92da42de1aea78654b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac8fcc2295669d9f6622f76900fcd7643535bbefd06d8b92da42de1aea78654b", kill_on_drop: false }` [INFO] [stdout] ac8fcc2295669d9f6622f76900fcd7643535bbefd06d8b92da42de1aea78654b [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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 85d902f58873f8b744c6f492efc293c3c43343cff74fe1cfc722f410bb3d300e [INFO] running `Command { std: "docker" "start" "-a" "85d902f58873f8b744c6f492efc293c3c43343cff74fe1cfc722f410bb3d300e", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.90 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Checking generic-array v0.12.4 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking subtle v1.0.0 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking crypto-mac v0.7.0 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking radium v0.3.0 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking hmac v0.7.1 [INFO] [stderr] Checking bitvec v0.17.4 [INFO] [stderr] Checking sha2 v0.8.2 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Checking failure v0.1.8 [INFO] [stderr] Checking netstack v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `SerializationError` [INFO] [stdout] --> src/serialization/writer.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{Serializer, SerializationError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SerializationError` [INFO] [stdout] --> src/serialization/writer.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use super::{Serializer, SerializationError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn serialize_string(&mut self, value: &str) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn serialize_u8(&mut self, value: &u8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn serialize_i8(&mut self, value: &i8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | fn serialize_u16(&mut self, value: &u16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:22:33 [INFO] [stdout] | [INFO] [stdout] 22 | fn serialize_i16(&mut self, value: &i16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | fn serialize_u32(&mut self, value: &u32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | fn serialize_i32(&mut self, value: &i32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:25:33 [INFO] [stdout] | [INFO] [stdout] 25 | fn serialize_u64(&mut self, value: &u64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | fn serialize_i64(&mut self, value: &i64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn serialize_f32(&mut self, value: &f32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:28:33 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize_f64(&mut self, value: &f64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/packets/outgoing.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut header = packet.get_header_mut(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:18:36 [INFO] [stdout] | [INFO] [stdout] 18 | fn serialize_string(&mut self, value: &str) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:19:32 [INFO] [stdout] | [INFO] [stdout] 19 | fn serialize_u8(&mut self, value: &u8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:20:32 [INFO] [stdout] | [INFO] [stdout] 20 | fn serialize_i8(&mut self, value: &i8) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:21:33 [INFO] [stdout] | [INFO] [stdout] 21 | fn serialize_u16(&mut self, value: &u16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:22:33 [INFO] [stdout] | [INFO] [stdout] 22 | fn serialize_i16(&mut self, value: &i16) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:23:33 [INFO] [stdout] | [INFO] [stdout] 23 | fn serialize_u32(&mut self, value: &u32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:24:33 [INFO] [stdout] | [INFO] [stdout] 24 | fn serialize_i32(&mut self, value: &i32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:25:33 [INFO] [stdout] | [INFO] [stdout] 25 | fn serialize_u64(&mut self, value: &u64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:26:33 [INFO] [stdout] | [INFO] [stdout] 26 | fn serialize_i64(&mut self, value: &i64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:27:33 [INFO] [stdout] | [INFO] [stdout] 27 | fn serialize_f32(&mut self, value: &f32) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/serialization/writer.rs:28:33 [INFO] [stdout] | [INFO] [stdout] 28 | fn serialize_f64(&mut self, value: &f64) { unimplemented!() } [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_var_int` is never used [INFO] [stdout] --> src/serialization/reader.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Reader<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn read_var_int(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `position` are never read [INFO] [stdout] --> src/serialization/writer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Writer<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 4 | buffer: &'a mut [u8], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `encode` is never used [INFO] [stdout] --> src/serialization/zig_zag.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn encode(value: i64) -> u64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `decode` is never used [INFO] [stdout] --> src/serialization/zig_zag.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | pub fn decode(value: u64) -> i64 { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `read_var_int` is never used [INFO] [stdout] --> src/serialization/reader.rs:43:8 [INFO] [stdout] | [INFO] [stdout] 11 | impl<'a> Reader<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | fn read_var_int(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `buffer` and `position` are never read [INFO] [stdout] --> src/serialization/writer.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct Writer<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 4 | buffer: &'a mut [u8], [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 5 | position: usize, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.09s [INFO] running `Command { std: "docker" "inspect" "85d902f58873f8b744c6f492efc293c3c43343cff74fe1cfc722f410bb3d300e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85d902f58873f8b744c6f492efc293c3c43343cff74fe1cfc722f410bb3d300e", kill_on_drop: false }` [INFO] [stdout] 85d902f58873f8b744c6f492efc293c3c43343cff74fe1cfc722f410bb3d300e