[INFO] cloning repository https://github.com/poww10s/mc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/poww10s/mc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoww10s%2Fmc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoww10s%2Fmc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4191933e6a1e26bff30ad442cb09b082fe5bb6ac
[INFO] testing poww10s/mc against beta-2026-04-21 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpoww10s%2Fmc" "/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/poww10s/mc
[INFO] finished tweaking git repo https://github.com/poww10s/mc
[INFO] tweaked toml for git repo https://github.com/poww10s/mc written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/poww10s/mc on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/poww10s/mc 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded syn v1.0.62
[INFO] [stderr]   Downloaded structopt v0.3.21
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3de236ec1468dfc50b052959d020fcb5c09381638f643d7f72bf01dfd9aa5852
[INFO] running `Command { std: "docker" "start" "-a" "3de236ec1468dfc50b052959d020fcb5c09381638f643d7f72bf01dfd9aa5852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3de236ec1468dfc50b052959d020fcb5c09381638f643d7f72bf01dfd9aa5852", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3de236ec1468dfc50b052959d020fcb5c09381638f643d7f72bf01dfd9aa5852", kill_on_drop: false }`
[INFO] [stdout] 3de236ec1468dfc50b052959d020fcb5c09381638f643d7f72bf01dfd9aa5852
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7835dd8d99b21f2c6450ffb785ca974d9cf5c7ac11f8e0c8507ec766ffc6ae8a
[INFO] running `Command { std: "docker" "start" "-a" "7835dd8d99b21f2c6450ffb785ca974d9cf5c7ac11f8e0c8507ec766ffc6ae8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling mc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `debug`, `below`, and `key` are never read
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  6 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     below: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.56s
[INFO] running `Command { std: "docker" "inspect" "7835dd8d99b21f2c6450ffb785ca974d9cf5c7ac11f8e0c8507ec766ffc6ae8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7835dd8d99b21f2c6450ffb785ca974d9cf5c7ac11f8e0c8507ec766ffc6ae8a", kill_on_drop: false }`
[INFO] [stdout] 7835dd8d99b21f2c6450ffb785ca974d9cf5c7ac11f8e0c8507ec766ffc6ae8a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a154750c579e61d20bfbf260aa8e118a9c629985e3442fea9ce1a7fb652c4009
[INFO] running `Command { std: "docker" "start" "-a" "a154750c579e61d20bfbf260aa8e118a9c629985e3442fea9ce1a7fb652c4009", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `debug`, `below`, and `key` are never read
[INFO] [stdout]   --> src/main.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout]  3 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout]  6 |     debug: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 |     below: bool,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 13 |     key: String,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "a154750c579e61d20bfbf260aa8e118a9c629985e3442fea9ce1a7fb652c4009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a154750c579e61d20bfbf260aa8e118a9c629985e3442fea9ce1a7fb652c4009", kill_on_drop: false }`
[INFO] [stdout] a154750c579e61d20bfbf260aa8e118a9c629985e3442fea9ce1a7fb652c4009
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d8a9e3e79b1f4edc107b6c04a6eb1d8c48dc5289cd67b4560ec8cc576cdc208d
[INFO] running `Command { std: "docker" "start" "-a" "d8a9e3e79b1f4edc107b6c04a6eb1d8c48dc5289cd67b4560ec8cc576cdc208d", kill_on_drop: false }`
[INFO] [stderr] warning: fields `debug`, `below`, and `key` are never read
[INFO] [stderr]   --> src/main.rs:6:5
[INFO] [stderr]    |
[INFO] [stderr]  3 | struct Args {
[INFO] [stderr]    |        ---- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr]  6 |     debug: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 10 |     below: bool,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 13 |     key: String,
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mc` (bin "mc" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mc-6f1c5e6570cafab6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8a9e3e79b1f4edc107b6c04a6eb1d8c48dc5289cd67b4560ec8cc576cdc208d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8a9e3e79b1f4edc107b6c04a6eb1d8c48dc5289cd67b4560ec8cc576cdc208d", kill_on_drop: false }`
[INFO] [stdout] d8a9e3e79b1f4edc107b6c04a6eb1d8c48dc5289cd67b4560ec8cc576cdc208d