[INFO] cloning repository https://github.com/KinakoExE/rust-programming [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KinakoExE/rust-programming" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKinakoExE%2Frust-programming", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKinakoExE%2Frust-programming'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0290b9a60bdc2ebbf6d5316ae38bc05ebf53943d [INFO] building KinakoExE/rust-programming against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKinakoExE%2Frust-programming" "/workspace/builds/worker-16/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KinakoExE/rust-programming on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KinakoExE/rust-programming [INFO] finished tweaking git repo https://github.com/KinakoExE/rust-programming [INFO] tweaked toml for git repo https://github.com/KinakoExE/rust-programming written to /workspace/builds/worker-16/source/Cargo.toml [INFO] crate git repo https://github.com/KinakoExE/rust-programming already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 850f1e2a53e23aede3b07ead7d039418dec76a7f6a21b939586f887aeb19ce92 [INFO] running `Command { std: "docker" "start" "-a" "850f1e2a53e23aede3b07ead7d039418dec76a7f6a21b939586f887aeb19ce92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "850f1e2a53e23aede3b07ead7d039418dec76a7f6a21b939586f887aeb19ce92", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "850f1e2a53e23aede3b07ead7d039418dec76a7f6a21b939586f887aeb19ce92", kill_on_drop: false }` [INFO] [stdout] 850f1e2a53e23aede3b07ead7d039418dec76a7f6a21b939586f887aeb19ce92 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da0b80ad2c6bd957ba527e653382d5dedcdd115d2bc6c9bf595206b7f33ac5df [INFO] running `Command { std: "docker" "start" "-a" "da0b80ad2c6bd957ba527e653382d5dedcdd115d2bc6c9bf595206b7f33ac5df", kill_on_drop: false }` [INFO] [stderr] Compiling rust-basic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/shared-memory.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut data = Arc::new(Mutex::new(vec![1; 10])); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/macro.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | write!(&mut w, "{}", "ABC"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/macro.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | writeln!(&mut w, " is 123"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 41.37s [INFO] running `Command { std: "docker" "inspect" "da0b80ad2c6bd957ba527e653382d5dedcdd115d2bc6c9bf595206b7f33ac5df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da0b80ad2c6bd957ba527e653382d5dedcdd115d2bc6c9bf595206b7f33ac5df", kill_on_drop: false }` [INFO] [stdout] da0b80ad2c6bd957ba527e653382d5dedcdd115d2bc6c9bf595206b7f33ac5df [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 828a1c9e14b158e0cdb0809cfdad9a6c5a4bb3e0d7fc34894f51fe41edebfacb [INFO] running `Command { std: "docker" "start" "-a" "828a1c9e14b158e0cdb0809cfdad9a6c5a4bb3e0d7fc34894f51fe41edebfacb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling rust-basic v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/shared-memory.rs:6:9 [INFO] [stdout] | [INFO] [stdout] 6 | let mut data = Arc::new(Mutex::new(vec![1; 10])); [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/macro.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | write!(&mut w, "{}", "ABC"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/macro.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | writeln!(&mut w, " is 123"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] [stderr] Executable unittests src/assertion.rs (/opt/rustwide/target/debug/deps/assertion-33419b8d9114df79) [INFO] [stderr] Executable unittests src/borrow.rs (/opt/rustwide/target/debug/deps/borrow-c6d1573584ab50d3) [INFO] [stderr] Executable unittests src/impl-example.rs (/opt/rustwide/target/debug/deps/impl_example-ea855254fc006e64) [INFO] [stderr] Executable unittests src/macro.rs (/opt/rustwide/target/debug/deps/macro-981554ab4cbe58b6) [INFO] [stderr] Executable unittests src/method-chain.rs (/opt/rustwide/target/debug/deps/method_chain-990d228eb544e175) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_basic-eb2fdd08c56cf653) [INFO] [stderr] Executable unittests src/shared-memory.rs (/opt/rustwide/target/debug/deps/shared_memory-79077e77893eb46c) [INFO] [stderr] Executable unittests src/thread.rs (/opt/rustwide/target/debug/deps/thread-6f6dfb3dc026bbfe) [INFO] [stderr] Executable unittests src/trait-derive.rs (/opt/rustwide/target/debug/deps/trait_derive-5d32aae9c9af2f65) [INFO] running `Command { std: "docker" "inspect" "828a1c9e14b158e0cdb0809cfdad9a6c5a4bb3e0d7fc34894f51fe41edebfacb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "828a1c9e14b158e0cdb0809cfdad9a6c5a4bb3e0d7fc34894f51fe41edebfacb", kill_on_drop: false }` [INFO] [stdout] 828a1c9e14b158e0cdb0809cfdad9a6c5a4bb3e0d7fc34894f51fe41edebfacb