[INFO] cloning repository https://github.com/distilledwater105/status_server
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/distilledwater105/status_server" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistilledwater105%2Fstatus_server", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistilledwater105%2Fstatus_server'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3a0eea15636cf59ae4de969ceaba7a84381ff80
[INFO] checking distilledwater105/status_server against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistilledwater105%2Fstatus_server" "/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/distilledwater105/status_server 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/distilledwater105/status_server
[INFO] finished tweaking git repo https://github.com/distilledwater105/status_server
[INFO] tweaked toml for git repo https://github.com/distilledwater105/status_server written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/distilledwater105/status_server 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] 37fbae2bcb67fbed5036703aa21731d64df7eb68e641ca64b13ffadb8a94ccc8
[INFO] running `Command { std: "docker" "start" "-a" "37fbae2bcb67fbed5036703aa21731d64df7eb68e641ca64b13ffadb8a94ccc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37fbae2bcb67fbed5036703aa21731d64df7eb68e641ca64b13ffadb8a94ccc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37fbae2bcb67fbed5036703aa21731d64df7eb68e641ca64b13ffadb8a94ccc8", kill_on_drop: false }`
[INFO] [stdout] 37fbae2bcb67fbed5036703aa21731d64df7eb68e641ca64b13ffadb8a94ccc8
[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] a130e4f3cb7b3ee4b6f82ebb5a479520c13cb6f0cdf6b8e9f191e4690c13cdf6
[INFO] running `Command { std: "docker" "start" "-a" "a130e4f3cb7b3ee4b6f82ebb5a479520c13cb6f0cdf6b8e9f191e4690c13cdf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking status_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:595:13
[INFO] [stdout]     |
[INFO] [stdout] 595 |         for i in [1, 2, 127, 128, 255, 25565, 2097151, 2147483647] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:596:65
[INFO] [stdout]     |
[INFO] [stdout] 596 |             assert_matches!(read_var_i32(&mut reader).await, Ok(i));
[INFO] [stdout]     |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:605:13
[INFO] [stdout]     |
[INFO] [stdout] 605 |         for i in [-1, -2147483648] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:606:65
[INFO] [stdout]     |
[INFO] [stdout] 606 |             assert_matches!(read_var_i32(&mut reader).await, Ok(i));
[INFO] [stdout]     |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/main.rs:809:13
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let expected = "123".to_string();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/main.rs:811:63
[INFO] [stdout]     |
[INFO] [stdout] 811 |         assert_matches!(read_string(3, &mut reader).await, Ok(expected));
[INFO] [stdout]     |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.15s
[INFO] running `Command { std: "docker" "inspect" "a130e4f3cb7b3ee4b6f82ebb5a479520c13cb6f0cdf6b8e9f191e4690c13cdf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a130e4f3cb7b3ee4b6f82ebb5a479520c13cb6f0cdf6b8e9f191e4690c13cdf6", kill_on_drop: false }`
[INFO] [stdout] a130e4f3cb7b3ee4b6f82ebb5a479520c13cb6f0cdf6b8e9f191e4690c13cdf6
[INFO] checking distilledwater105/status_server against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdistilledwater105%2Fstatus_server" "/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/distilledwater105/status_server 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/distilledwater105/status_server
[INFO] finished tweaking git repo https://github.com/distilledwater105/status_server
[INFO] tweaked toml for git repo https://github.com/distilledwater105/status_server written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/distilledwater105/status_server 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] ef832cecbda9c62e7b27e32f1569ff522c020a157833cdd6af75fc9f66b2de0b
[INFO] running `Command { std: "docker" "start" "-a" "ef832cecbda9c62e7b27e32f1569ff522c020a157833cdd6af75fc9f66b2de0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef832cecbda9c62e7b27e32f1569ff522c020a157833cdd6af75fc9f66b2de0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef832cecbda9c62e7b27e32f1569ff522c020a157833cdd6af75fc9f66b2de0b", kill_on_drop: false }`
[INFO] [stdout] ef832cecbda9c62e7b27e32f1569ff522c020a157833cdd6af75fc9f66b2de0b
[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] a7f2100ce8dcadc18e3e2ea166fe42f24a905536c76c404652a7045c0db79d1d
[INFO] running `Command { std: "docker" "start" "-a" "a7f2100ce8dcadc18e3e2ea166fe42f24a905536c76c404652a7045c0db79d1d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking socket2 v0.5.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]    Compiling syn v2.0.29
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking status_server v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:595:13
[INFO] [stdout]     |
[INFO] [stdout] 595 |         for i in [1, 2, 127, 128, 255, 25565, 2097151, 2147483647] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:596:65
[INFO] [stdout]     |
[INFO] [stdout] 596 |             assert_matches!(read_var_i32(&mut reader).await, Ok(i));
[INFO] [stdout]     |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:605:13
[INFO] [stdout]     |
[INFO] [stdout] 605 |         for i in [-1, -2147483648] {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/main.rs:606:65
[INFO] [stdout]     |
[INFO] [stdout] 606 |             assert_matches!(read_var_i32(&mut reader).await, Ok(i));
[INFO] [stdout]     |                                                                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/main.rs:809:13
[INFO] [stdout]     |
[INFO] [stdout] 809 |         let expected = "123".to_string();
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/main.rs:811:63
[INFO] [stdout]     |
[INFO] [stdout] 811 |         assert_matches!(read_string(3, &mut reader).await, Ok(expected));
[INFO] [stdout]     |                                                               ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_expected`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.85s
[INFO] running `Command { std: "docker" "inspect" "a7f2100ce8dcadc18e3e2ea166fe42f24a905536c76c404652a7045c0db79d1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f2100ce8dcadc18e3e2ea166fe42f24a905536c76c404652a7045c0db79d1d", kill_on_drop: false }`
[INFO] [stdout] a7f2100ce8dcadc18e3e2ea166fe42f24a905536c76c404652a7045c0db79d1d