[INFO] cloning repository https://github.com/accusitive/rmc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/accusitive/rmc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Frmc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Frmc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e87e3238382b6fe7d4f656c2fc1041137a621332 [INFO] checking accusitive/rmc against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Frmc" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/accusitive/rmc on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/accusitive/rmc [INFO] finished tweaking git repo https://github.com/accusitive/rmc [INFO] tweaked toml for git repo https://github.com/accusitive/rmc written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/accusitive/rmc already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded minecraft-varint v0.1.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 462de77b0588e6efb955ffaa6e67158f4b862d809024002d2b0144878ca963d1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "462de77b0588e6efb955ffaa6e67158f4b862d809024002d2b0144878ca963d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "462de77b0588e6efb955ffaa6e67158f4b862d809024002d2b0144878ca963d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "462de77b0588e6efb955ffaa6e67158f4b862d809024002d2b0144878ca963d1", kill_on_drop: false }` [INFO] [stdout] 462de77b0588e6efb955ffaa6e67158f4b862d809024002d2b0144878ca963d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50e46e16179d02fd15f97332712c124aab70ff152ee1c9674bf0800f4c0330d3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "50e46e16179d02fd15f97332712c124aab70ff152ee1c9674bf0800f4c0330d3", kill_on_drop: false }` [INFO] [stderr] Checking minecraft-varint v0.1.1 [INFO] [stderr] Checking byteorder v1.4.2 [INFO] [stderr] Checking rmc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `ReadMCString` [INFO] [stdout] --> src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use network::{Packet, ReadMCString}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/network.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryInto, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BigEndian` [INFO] [stdout] --> src/network.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ReadMCString` [INFO] [stdout] --> src/main.rs:2:23 [INFO] [stdout] | [INFO] [stdout] 2 | use network::{Packet, ReadMCString}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `fmt::Write` [INFO] [stdout] --> src/network.rs:1:29 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{convert::TryInto, fmt::Write}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BigEndian` [INFO] [stdout] --> src/network.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ByteOrder` [INFO] [stdout] --> src/packets.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `socket_addr` [INFO] [stdout] --> src/main.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | for (mut stream, socket_addr) in socket.accept() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:37:40 [INFO] [stdout] | [INFO] [stdout] 37 | fn write(&self, s: &mut W) -> Option<()> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:51:40 [INFO] [stdout] | [INFO] [stdout] 51 | fn write(&self, s: &mut W) -> Option<()> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | fn read(s: &mut CursorType) -> Option [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | self.write_var_i32(s.to_string().len().try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ByteOrder` [INFO] [stdout] --> src/packets.rs:3:28 [INFO] [stdout] | [INFO] [stdout] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt, WriteBytesExt}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `socket_addr` [INFO] [stdout] --> src/main.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 53 | for (mut stream, socket_addr) in socket.accept() { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:37:40 [INFO] [stdout] | [INFO] [stdout] 37 | fn write(&self, s: &mut W) -> Option<()> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:51:40 [INFO] [stdout] | [INFO] [stdout] 51 | fn write(&self, s: &mut W) -> Option<()> { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/packets.rs:57:13 [INFO] [stdout] | [INFO] [stdout] 57 | fn read(s: &mut CursorType) -> Option [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:25:9 [INFO] [stdout] | [INFO] [stdout] 25 | self.write_var_i32(s.to_string().len().try_into().unwrap()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.26s [INFO] running `Command { std: "docker" "inspect" "50e46e16179d02fd15f97332712c124aab70ff152ee1c9674bf0800f4c0330d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e46e16179d02fd15f97332712c124aab70ff152ee1c9674bf0800f4c0330d3", kill_on_drop: false }` [INFO] [stdout] 50e46e16179d02fd15f97332712c124aab70ff152ee1c9674bf0800f4c0330d3