[INFO] cloning repository https://github.com/mystica2000/load-balancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mystica2000/load-balancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystica2000%2Fload-balancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystica2000%2Fload-balancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d2a888ccf41c7449217fed5c12fbd4c15b806a3
[INFO] checking mystica2000/load-balancer against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystica2000%2Fload-balancer" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mystica2000/load-balancer
[INFO] finished tweaking git repo https://github.com/mystica2000/load-balancer
[INFO] tweaked toml for git repo https://github.com/mystica2000/load-balancer written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mystica2000/load-balancer on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mystica2000/load-balancer 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 222175950e9bb50c42edda1432bfd8ed24e3eb5a9e7ba1635aacff2f8b505f2b
[INFO] running `Command { std: "docker" "start" "-a" "222175950e9bb50c42edda1432bfd8ed24e3eb5a9e7ba1635aacff2f8b505f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "222175950e9bb50c42edda1432bfd8ed24e3eb5a9e7ba1635aacff2f8b505f2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222175950e9bb50c42edda1432bfd8ed24e3eb5a9e7ba1635aacff2f8b505f2b", kill_on_drop: false }`
[INFO] [stdout] 222175950e9bb50c42edda1432bfd8ed24e3eb5a9e7ba1635aacff2f8b505f2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 393d6f2e88ecd7abf0186ff0773787fd9d7c35aabc32a7742197f23100af7b72
[INFO] running `Command { std: "docker" "start" "-a" "393d6f2e88ecd7abf0186ff0773787fd9d7c35aabc32a7742197f23100af7b72", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking bytes v1.6.1
[INFO] [stderr]     Checking errors v0.1.0 (/opt/rustwide/workdir/errors)
[INFO] [stderr]     Checking yml-parser v0.1.0 (/opt/rustwide/workdir/yml-parser)
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> yml-parser/src/parser.rs:302:7
[INFO] [stdout]     |
[INFO] [stdout] 302 |   use super::*;
[INFO] [stdout]     |       ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_char`
[INFO] [stdout]   --> yml-parser/src/preprocess.rs:56:113
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...eekable<std::str::Chars>, prev_char: char, index: usize, line: &str)  -> Result<(), &'static str> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> yml-parser/src/lib.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |       Err(e) => Err(io::Error::new(io::ErrorKind::InvalidData, "No YML Content to process")),
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_char`
[INFO] [stdout]   --> yml-parser/src/preprocess.rs:56:113
[INFO] [stdout]    |
[INFO] [stdout] 56 | ...eekable<std::str::Chars>, prev_char: char, index: usize, line: &str)  -> Result<(), &'static str> {
[INFO] [stdout]    |                              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_char`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:188:47
[INFO] [stdout]     |
[INFO] [stdout] 188 |                         backend_server.name = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:194:71
[INFO] [stdout]     |
[INFO] [stdout] 194 |                           load_balancer.backend_servers[len-1].name = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:224:45
[INFO] [stdout]     |
[INFO] [stdout] 224 |                         backend_server.ip = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:231:69
[INFO] [stdout]     |
[INFO] [stdout] 231 |                           load_balancer.backend_servers[len-1].ip = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         load_balancer.listener.protocol = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yml-parser` (lib) due to 5 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> yml-parser/src/lib.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |       Err(e) => Err(io::Error::new(io::ErrorKind::InvalidData, "No YML Content to process")),
[INFO] [stdout]    |           ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:188:47
[INFO] [stdout]     |
[INFO] [stdout] 188 |                         backend_server.name = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:194:71
[INFO] [stdout]     |
[INFO] [stdout] 194 |                           load_balancer.backend_servers[len-1].name = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:224:45
[INFO] [stdout]     |
[INFO] [stdout] 224 |                         backend_server.ip = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:231:69
[INFO] [stdout]     |
[INFO] [stdout] 231 |                           load_balancer.backend_servers[len-1].ip = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> yml-parser/src/parser.rs:253:59
[INFO] [stdout]     |
[INFO] [stdout] 253 |                         load_balancer.listener.protocol = parts[1].trim().parse().unwrap();
[INFO] [stdout]     |                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yml-parser` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "393d6f2e88ecd7abf0186ff0773787fd9d7c35aabc32a7742197f23100af7b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393d6f2e88ecd7abf0186ff0773787fd9d7c35aabc32a7742197f23100af7b72", kill_on_drop: false }`
[INFO] [stdout] 393d6f2e88ecd7abf0186ff0773787fd9d7c35aabc32a7742197f23100af7b72
