[INFO] fetching crate waves_rs 0.1.0...
[INFO] building waves_rs-0.1.0 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate waves_rs 0.1.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate waves_rs 0.1.0
[INFO] finished tweaking crates.io crate waves_rs 0.1.0
[INFO] tweaked toml for crates.io crate waves_rs 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate waves_rs 0.1.0 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate waves_rs 0.1.0 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1019dcc1565db365653e8327b2c10bda74ddcc7db983b1b71fcd312876aaaa71
[INFO] running `Command { std: "docker" "start" "-a" "1019dcc1565db365653e8327b2c10bda74ddcc7db983b1b71fcd312876aaaa71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1019dcc1565db365653e8327b2c10bda74ddcc7db983b1b71fcd312876aaaa71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1019dcc1565db365653e8327b2c10bda74ddcc7db983b1b71fcd312876aaaa71", kill_on_drop: false }`
[INFO] [stdout] 1019dcc1565db365653e8327b2c10bda74ddcc7db983b1b71fcd312876aaaa71
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] da300de4884ce1c0760f40e36c265aace2f7c665177a08e21e264c74eb55e5ea
[INFO] running `Command { std: "docker" "start" "-a" "da300de4884ce1c0760f40e36c265aace2f7c665177a08e21e264c74eb55e5ea", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling waves_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout]  7 |       let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |  __________________-
[INFO] [stdout]  8 | |         eprintln!("Error in configuration: {err}");
[INFO] [stdout]  9 | |         process::exit(1);
[INFO] [stdout] 10 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 13 |       match config.run() {
[INFO] [stdout]    |             ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Config`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:7:18
[INFO] [stdout]    |
[INFO] [stdout]  7 |       let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |  __________________^
[INFO] [stdout]  8 | |         eprintln!("Error in configuration: {err}");
[INFO] [stdout]  9 | |         process::exit(1);
[INFO] [stdout] 10 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "da300de4884ce1c0760f40e36c265aace2f7c665177a08e21e264c74eb55e5ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da300de4884ce1c0760f40e36c265aace2f7c665177a08e21e264c74eb55e5ea", kill_on_drop: false }`
[INFO] [stdout] da300de4884ce1c0760f40e36c265aace2f7c665177a08e21e264c74eb55e5ea
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2fedeb80d80cffb6aff0ad9e0afbaff05044ba154b6816fa9eccabc5ea4ed88
[INFO] running `Command { std: "docker" "start" "-a" "a2fedeb80d80cffb6aff0ad9e0afbaff05044ba154b6816fa9eccabc5ea4ed88", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling waves_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/main.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout]  7 |       let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |  __________________-
[INFO] [stdout]  8 | |         eprintln!("Error in configuration: {err}");
[INFO] [stdout]  9 | |         process::exit(1);
[INFO] [stdout] 10 | |     });
[INFO] [stdout]    | |______- any code following this expression is unreachable
[INFO] [stdout] ...
[INFO] [stdout] 13 |       match config.run() {
[INFO] [stdout]    |             ^^^^^^ unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `Config`, which is uninhabited
[INFO] [stdout]   --> src/main.rs:7:18
[INFO] [stdout]    |
[INFO] [stdout]  7 |       let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]    |  __________________^
[INFO] [stdout]  8 | |         eprintln!("Error in configuration: {err}");
[INFO] [stdout]  9 | |         process::exit(1);
[INFO] [stdout] 10 | |     });
[INFO] [stdout]    | |______^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]  --> src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let config = Config::new(env::args()).unwrap_or_else(|err| {
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "a2fedeb80d80cffb6aff0ad9e0afbaff05044ba154b6816fa9eccabc5ea4ed88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2fedeb80d80cffb6aff0ad9e0afbaff05044ba154b6816fa9eccabc5ea4ed88", kill_on_drop: false }`
[INFO] [stdout] a2fedeb80d80cffb6aff0ad9e0afbaff05044ba154b6816fa9eccabc5ea4ed88