[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] testing accusitive/rmc against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccusitive%2Frmc" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/accusitive/rmc on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-13/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" "+1.60.0" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5244507d824a5cfca6f95b16f8e5cc3cdb5922bbdd48535480ffc0a7f6043df6
[INFO] running `Command { std: "docker" "start" "-a" "5244507d824a5cfca6f95b16f8e5cc3cdb5922bbdd48535480ffc0a7f6043df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5244507d824a5cfca6f95b16f8e5cc3cdb5922bbdd48535480ffc0a7f6043df6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5244507d824a5cfca6f95b16f8e5cc3cdb5922bbdd48535480ffc0a7f6043df6", kill_on_drop: false }`
[INFO] [stdout] 5244507d824a5cfca6f95b16f8e5cc3cdb5922bbdd48535480ffc0a7f6043df6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9673e4e24ef5e21370e8453d8b3bd1174addbec88ace9770a6989f4c75eb0f14
[INFO] running `Command { std: "docker" "start" "-a" "9673e4e24ef5e21370e8453d8b3bd1174addbec88ace9770a6989f4c75eb0f14", kill_on_drop: false }`
[INFO] [stderr]    Compiling minecraft-varint v0.1.1
[INFO] [stderr]    Compiling 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: `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<W: std::io::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<W: std::io::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<Self>
[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 2.65s
[INFO] running `Command { std: "docker" "inspect" "9673e4e24ef5e21370e8453d8b3bd1174addbec88ace9770a6989f4c75eb0f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9673e4e24ef5e21370e8453d8b3bd1174addbec88ace9770a6989f4c75eb0f14", kill_on_drop: false }`
[INFO] [stdout] 9673e4e24ef5e21370e8453d8b3bd1174addbec88ace9770a6989f4c75eb0f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a7a157cc3cc18e048e0bfcc1ee6f923a68c95fec6d0ff56da9791164c79397a9
[INFO] running `Command { std: "docker" "start" "-a" "a7a157cc3cc18e048e0bfcc1ee6f923a68c95fec6d0ff56da9791164c79397a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: `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<W: std::io::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<W: std::io::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<Self>
[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 test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "a7a157cc3cc18e048e0bfcc1ee6f923a68c95fec6d0ff56da9791164c79397a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7a157cc3cc18e048e0bfcc1ee6f923a68c95fec6d0ff56da9791164c79397a9", kill_on_drop: false }`
[INFO] [stdout] a7a157cc3cc18e048e0bfcc1ee6f923a68c95fec6d0ff56da9791164c79397a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67bba5da7a7fa473c9f54e0d093c0719ba5864b475c06be51d0a6386d588f714
[INFO] running `Command { std: "docker" "start" "-a" "67bba5da7a7fa473c9f54e0d093c0719ba5864b475c06be51d0a6386d588f714", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ReadMCString`
[INFO] [stderr]  --> src/main.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use network::{Packet, ReadMCString};
[INFO] [stderr]   |                       ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt::Write`
[INFO] [stderr]  --> src/network.rs:1:29
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{convert::TryInto, fmt::Write};
[INFO] [stderr]   |                             ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BigEndian`
[INFO] [stderr]  --> src/network.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ByteOrder`
[INFO] [stderr]  --> src/packets.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use byteorder::{BigEndian, ByteOrder, ReadBytesExt, WriteBytesExt};
[INFO] [stderr]   |                            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `socket_addr`
[INFO] [stderr]   --> src/main.rs:53:22
[INFO] [stderr]    |
[INFO] [stderr] 53 |     for (mut stream, socket_addr) in socket.accept() {
[INFO] [stderr]    |                      ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_socket_addr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/packets.rs:37:40
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn write<W: std::io::Write>(&self, s: &mut W) -> Option<()> {
[INFO] [stderr]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/packets.rs:51:40
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn write<W: std::io::Write>(&self, s: &mut W) -> Option<()> {
[INFO] [stderr]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/packets.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn read(s: &mut CursorType) -> Option<Self>
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/network.rs:25:9
[INFO] [stderr]    |
[INFO] [stderr] 25 |         self.write_var_i32(s.to_string().len().try_into().unwrap());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `rmc` (bin "rmc" test) generated 9 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rmc-93f19a1287e99ecc)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "67bba5da7a7fa473c9f54e0d093c0719ba5864b475c06be51d0a6386d588f714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67bba5da7a7fa473c9f54e0d093c0719ba5864b475c06be51d0a6386d588f714", kill_on_drop: false }`
[INFO] [stdout] 67bba5da7a7fa473c9f54e0d093c0719ba5864b475c06be51d0a6386d588f714