[INFO] fetching crate mcutils 0.2.0... [INFO] testing mcutils-0.2.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate mcutils 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mcutils 0.2.0 [INFO] finished tweaking crates.io crate mcutils 0.2.0 [INFO] tweaked toml for crates.io crate mcutils 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mcutils 0.2.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate mcutils 0.2.0 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 05d981ab7d3fb0f68d9b70048b5cfa528986db1c0ef44490598ba6a315655660 [INFO] running `Command { std: "docker" "start" "-a" "05d981ab7d3fb0f68d9b70048b5cfa528986db1c0ef44490598ba6a315655660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "05d981ab7d3fb0f68d9b70048b5cfa528986db1c0ef44490598ba6a315655660", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "05d981ab7d3fb0f68d9b70048b5cfa528986db1c0ef44490598ba6a315655660", kill_on_drop: false }` [INFO] [stdout] 05d981ab7d3fb0f68d9b70048b5cfa528986db1c0ef44490598ba6a315655660 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b2b314b2fb4a8903d01ea2c853d9d340cc4eb5de3949f8bb9db449f5086b43ff [INFO] running `Command { std: "docker" "start" "-a" "b2b314b2fb4a8903d01ea2c853d9d340cc4eb5de3949f8bb9db449f5086b43ff", kill_on_drop: false }` [INFO] [stderr] Compiling mcrs v0.3.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling clap_builder v4.5.35 [INFO] [stderr] Compiling clap_derive v4.5.32 [INFO] [stderr] Compiling clap v4.5.35 [INFO] [stderr] Compiling mcutils v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.78s [INFO] running `Command { std: "docker" "inspect" "b2b314b2fb4a8903d01ea2c853d9d340cc4eb5de3949f8bb9db449f5086b43ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2b314b2fb4a8903d01ea2c853d9d340cc4eb5de3949f8bb9db449f5086b43ff", kill_on_drop: false }` [INFO] [stdout] b2b314b2fb4a8903d01ea2c853d9d340cc4eb5de3949f8bb9db449f5086b43ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4447aca37f52650ca4d3de48e2785108eeee9ae99a7377a92f8f9f52b373d828 [INFO] running `Command { std: "docker" "start" "-a" "4447aca37f52650ca4d3de48e2785108eeee9ae99a7377a92f8f9f52b373d828", kill_on_drop: false }` [INFO] [stderr] Compiling mcutils v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:31:33 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "4447aca37f52650ca4d3de48e2785108eeee9ae99a7377a92f8f9f52b373d828", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4447aca37f52650ca4d3de48e2785108eeee9ae99a7377a92f8f9f52b373d828", kill_on_drop: false }` [INFO] [stdout] 4447aca37f52650ca4d3de48e2785108eeee9ae99a7377a92f8f9f52b373d828 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 0cf0b10c440b633fc95b31e810863967f136fe472a555d7bd7f8a96eb940f375 [INFO] running `Command { std: "docker" "start" "-a" "0cf0b10c440b633fc95b31e810863967f136fe472a555d7bd7f8a96eb940f375", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:31:33 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 31 | pub fn read_data(file: &mut R) -> Result> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `mcutils` (lib) generated 1 warning (run `cargo fix --lib -p mcutils` to apply 1 suggestion) [INFO] [stderr] warning: `mcutils` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mcutils-ba685ad90cbab018) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/mcutils-c9b3c65c0ddeb01e) [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] [stderr] Doc-tests mcutils [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" "0cf0b10c440b633fc95b31e810863967f136fe472a555d7bd7f8a96eb940f375", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0cf0b10c440b633fc95b31e810863967f136fe472a555d7bd7f8a96eb940f375", kill_on_drop: false }` [INFO] [stdout] 0cf0b10c440b633fc95b31e810863967f136fe472a555d7bd7f8a96eb940f375