[INFO] cloning repository https://github.com/mroach/rombo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mroach/rombo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmroach%2Frombo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmroach%2Frombo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b717a6e71cb561e2d159ab34c076150de0b0e54
[INFO] checking mroach/rombo 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%2Fmroach%2Frombo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mroach/rombo
[INFO] finished tweaking git repo https://github.com/mroach/rombo
[INFO] tweaked toml for git repo https://github.com/mroach/rombo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mroach/rombo 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/mroach/rombo 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 88d4f4a9bf23b62da5a88c9dc0ff7ae66ea26aeef0fc766b65750bd5e29aa8e3
[INFO] running `Command { std: "docker" "start" "-a" "88d4f4a9bf23b62da5a88c9dc0ff7ae66ea26aeef0fc766b65750bd5e29aa8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88d4f4a9bf23b62da5a88c9dc0ff7ae66ea26aeef0fc766b65750bd5e29aa8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88d4f4a9bf23b62da5a88c9dc0ff7ae66ea26aeef0fc766b65750bd5e29aa8e3", kill_on_drop: false }`
[INFO] [stdout] 88d4f4a9bf23b62da5a88c9dc0ff7ae66ea26aeef0fc766b65750bd5e29aa8e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6dac822a82f96093897b7dcc1bcfacf184ee08a9c6128cc99082d696a8578fdb
[INFO] running `Command { std: "docker" "start" "-a" "6dac822a82f96093897b7dcc1bcfacf184ee08a9c6128cc99082d696a8578fdb", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking phf_shared v0.10.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling clap_derive v3.1.4
[INFO] [stderr]    Compiling binread_derive v2.1.0
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]     Checking binread v2.2.0
[INFO] [stderr]     Checking clap v3.1.6
[INFO] [stderr]     Checking serde v1.0.136
[INFO] [stderr]     Checking serde_yaml v0.8.23
[INFO] [stderr]     Checking romboss v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         val => bail!("Unsupported platform {:?}", val),
[INFO] [stdout]     |         ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         Platform::SuperNintendo => {
[INFO] [stdout]     |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 135 |         Platform::MegaDrive => {
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 139 |         Platform::NintendoDS => {
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 143 |         val => bail!("Unsupported platform {:?}", val),
[INFO] [stdout]     |         ^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         #[clap(long = "output", short = 'o', default_value = "json", possible_values = ["json", "yaml"])]
[INFO] [stdout] 23 | |         output_format: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         #[clap(long = "platform", short = 'p', default_value = "auto", possible_values = ["auto", "snes", "sfc", "megadrive", "genesis"])]
[INFO] [stdout] 26 | |         platform: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romboss` (bin "romboss") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 143 |         val => bail!("Unsupported platform {:?}", val),
[INFO] [stdout]     |         ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/main.rs:143:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         Platform::SuperNintendo => {
[INFO] [stdout]     |         ----------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 135 |         Platform::MegaDrive => {
[INFO] [stdout]     |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 139 |         Platform::NintendoDS => {
[INFO] [stdout]     |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 143 |         val => bail!("Unsupported platform {:?}", val),
[INFO] [stdout]     |         ^^^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | /         #[clap(long = "output", short = 'o', default_value = "json", possible_values = ["json", "yaml"])]
[INFO] [stdout] 23 | |         output_format: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/main.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         #[clap(long = "platform", short = 'p', default_value = "auto", possible_values = ["auto", "snes", "sfc", "megadrive", "genesis"])]
[INFO] [stdout] 26 | |         platform: String,
[INFO] [stdout]    | |________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `romboss` (bin "romboss" test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6dac822a82f96093897b7dcc1bcfacf184ee08a9c6128cc99082d696a8578fdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dac822a82f96093897b7dcc1bcfacf184ee08a9c6128cc99082d696a8578fdb", kill_on_drop: false }`
[INFO] [stdout] 6dac822a82f96093897b7dcc1bcfacf184ee08a9c6128cc99082d696a8578fdb