[INFO] updating cached repository https://github.com/SideCityStudios/origin1_server
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/SideCityStudios/origin1_server
[INFO] [stderr]  * [new branch]      general/random-upgrades -> general/random-upgrades
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92f2050fff08b71b5ee08ca0aa30f599cf2a9358
[INFO] checking SideCityStudios/origin1_server against try#e922e6444795ab795fab1943288aee3d543699b8 for pr-66852
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSideCityStudios%2Forigin1_server" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SideCityStudios/origin1_server on toolchain e922e6444795ab795fab1943288aee3d543699b8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/SideCityStudios/origin1_server
[INFO] finished tweaking git repo https://github.com/SideCityStudios/origin1_server
[INFO] tweaked toml for git repo https://github.com/SideCityStudios/origin1_server written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/SideCityStudios/origin1_server already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e922e6444795ab795fab1943288aee3d543699b8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a00dd7e9754bc6130925706aaa05d61ffdc2fa8d61a03d2b249e54c5ed841885
[INFO] running `"docker" "start" "-a" "a00dd7e9754bc6130925706aaa05d61ffdc2fa8d61a03d2b249e54c5ed841885"`
[INFO] [stderr]     Checking serde_cbor v0.10.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.42
[INFO] [stderr]     Checking origin1_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/core_lib/binutils.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/comms/test_client.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut stream = TcpStream::connect("127.0.0.1:5555").unwrap();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             client_tunnel.send_msg(msg);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/comms/test_client.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             client_tunnel.send_msg(msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]   --> src/core_lib/binutils.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::convert::TryInto;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/comms/test_client.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut stream = TcpStream::connect("127.0.0.1:5555").unwrap();
[INFO] [stderr]   |         ----^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             client_tunnel.send_msg(msg);
[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: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 79 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/comms/test_client.rs:87:13
[INFO] [stderr]    |
[INFO] [stderr] 87 |             client_tunnel.send_msg(msg);
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/comms/test_client.rs:103:13
[INFO] [stderr]     |
[INFO] [stderr] 103 |             client_tunnel.send_msg(msg);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.39s
[INFO] running `"docker" "inspect" "a00dd7e9754bc6130925706aaa05d61ffdc2fa8d61a03d2b249e54c5ed841885"`
[INFO] running `"docker" "rm" "-f" "a00dd7e9754bc6130925706aaa05d61ffdc2fa8d61a03d2b249e54c5ed841885"`
[INFO] [stdout] a00dd7e9754bc6130925706aaa05d61ffdc2fa8d61a03d2b249e54c5ed841885