[INFO] cloning repository https://github.com/finleygn/snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/finleygn/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinleygn%2Fsnake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinleygn%2Fsnake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 15f394b608f3e3c57920483980dcddd96319e9fb [INFO] testing finleygn/snake against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffinleygn%2Fsnake" "/workspace/builds/worker-0/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/finleygn/snake on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/finleygn/snake [INFO] finished tweaking git repo https://github.com/finleygn/snake [INFO] tweaked toml for git repo https://github.com/finleygn/snake written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/finleygn/snake already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 426e2a3f6d838c1bb65c89ef89ce0d6e79ba23d5919a3b5437ebc6ae5f79c350 [INFO] running `Command { std: "docker" "start" "-a" "426e2a3f6d838c1bb65c89ef89ce0d6e79ba23d5919a3b5437ebc6ae5f79c350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "426e2a3f6d838c1bb65c89ef89ce0d6e79ba23d5919a3b5437ebc6ae5f79c350", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "426e2a3f6d838c1bb65c89ef89ce0d6e79ba23d5919a3b5437ebc6ae5f79c350", kill_on_drop: false }` [INFO] [stdout] 426e2a3f6d838c1bb65c89ef89ce0d6e79ba23d5919a3b5437ebc6ae5f79c350 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c3e575395a57a5a18d6f3ca9fb352e4526441f0057cdebc70d9410bc039076cb [INFO] running `Command { std: "docker" "start" "-a" "c3e575395a57a5a18d6f3ca9fb352e4526441f0057cdebc70d9410bc039076cb", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling numtoa v0.1.0 [INFO] [stderr] Compiling termion v1.5.6 [INFO] [stderr] Compiling rand_core v0.6.1 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/frame.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | write!(self.stdout, "{}", clear::All); [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/frame.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | write!(self.stdout, "{}", cursor::Goto(1, 1)); [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 `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/frame.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | write!(self.stdout, "{}", clear::AfterCursor); [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 `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/frame.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | / write!( [INFO] [stdout] 64 | | self.stdout, [INFO] [stdout] 65 | | "{}\n\r", [INFO] [stdout] 66 | | row [INFO] [stdout] ... | [INFO] [stdout] 69 | | .collect::() [INFO] [stdout] 70 | | ); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 02s [INFO] running `Command { std: "docker" "inspect" "c3e575395a57a5a18d6f3ca9fb352e4526441f0057cdebc70d9410bc039076cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3e575395a57a5a18d6f3ca9fb352e4526441f0057cdebc70d9410bc039076cb", kill_on_drop: false }` [INFO] [stdout] c3e575395a57a5a18d6f3ca9fb352e4526441f0057cdebc70d9410bc039076cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8d0c39a976e1abc9241bb4bea5b0b26356231d96078748920383fb3b1cfabb53 [INFO] running `Command { std: "docker" "start" "-a" "8d0c39a976e1abc9241bb4bea5b0b26356231d96078748920383fb3b1cfabb53", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/frame.rs:33:5 [INFO] [stdout] | [INFO] [stdout] 33 | write!(self.stdout, "{}", clear::All); [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/frame.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | write!(self.stdout, "{}", cursor::Goto(1, 1)); [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 `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/frame.rs:60:5 [INFO] [stdout] | [INFO] [stdout] 60 | write!(self.stdout, "{}", clear::AfterCursor); [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 `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/frame.rs:63:7 [INFO] [stdout] | [INFO] [stdout] 63 | / write!( [INFO] [stdout] 64 | | self.stdout, [INFO] [stdout] 65 | | "{}\n\r", [INFO] [stdout] 66 | | row [INFO] [stdout] ... | [INFO] [stdout] 69 | | .collect::() [INFO] [stdout] 70 | | ); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/snake-f8773d88cc3dfccd) [INFO] running `Command { std: "docker" "inspect" "8d0c39a976e1abc9241bb4bea5b0b26356231d96078748920383fb3b1cfabb53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d0c39a976e1abc9241bb4bea5b0b26356231d96078748920383fb3b1cfabb53", kill_on_drop: false }` [INFO] [stdout] 8d0c39a976e1abc9241bb4bea5b0b26356231d96078748920383fb3b1cfabb53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1aba7476d2d922fee00a1837818369d8757aa89fbd974ff2daafb5ee5a7e4cf5 [INFO] running `Command { std: "docker" "start" "-a" "1aba7476d2d922fee00a1837818369d8757aa89fbd974ff2daafb5ee5a7e4cf5", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/frame.rs:33:5 [INFO] [stderr] | [INFO] [stderr] 33 | write!(self.stdout, "{}", clear::All); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/frame.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | write!(self.stdout, "{}", cursor::Goto(1, 1)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/frame.rs:60:5 [INFO] [stderr] | [INFO] [stderr] 60 | write!(self.stdout, "{}", clear::AfterCursor); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/frame.rs:63:7 [INFO] [stderr] | [INFO] [stderr] 63 | / write!( [INFO] [stderr] 64 | | self.stdout, [INFO] [stderr] 65 | | "{}\n\r", [INFO] [stderr] 66 | | row [INFO] [stderr] ... | [INFO] [stderr] 69 | | .collect::() [INFO] [stderr] 70 | | ); [INFO] [stderr] | |_______^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: `snake` (bin "snake" test) generated 4 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.91s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/snake-f8773d88cc3dfccd) [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 0.04s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1aba7476d2d922fee00a1837818369d8757aa89fbd974ff2daafb5ee5a7e4cf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1aba7476d2d922fee00a1837818369d8757aa89fbd974ff2daafb5ee5a7e4cf5", kill_on_drop: false }` [INFO] [stdout] 1aba7476d2d922fee00a1837818369d8757aa89fbd974ff2daafb5ee5a7e4cf5