[INFO] fetching crate evco 0.2.1...
[INFO] testing evco-0.2.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate evco 0.2.1 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate evco 0.2.1 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate evco 0.2.1
[INFO] finished tweaking crates.io crate evco 0.2.1
[INFO] tweaked toml for crates.io crate evco 0.2.1 written to /workspace/builds/worker-64/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a87e3e0bbb36864bd4cd78517d8aa95c948ecf06de2fba47693a8cd5dfbbc99
[INFO] running `Command { std: "docker" "start" "-a" "6a87e3e0bbb36864bd4cd78517d8aa95c948ecf06de2fba47693a8cd5dfbbc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a87e3e0bbb36864bd4cd78517d8aa95c948ecf06de2fba47693a8cd5dfbbc99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a87e3e0bbb36864bd4cd78517d8aa95c948ecf06de2fba47693a8cd5dfbbc99", kill_on_drop: false }`
[INFO] [stdout] 6a87e3e0bbb36864bd4cd78517d8aa95c948ecf06de2fba47693a8cd5dfbbc99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3710852ca6e02a93a608b9e0b10e9c233928d26b8566611a3f7bacfeda748b1
[INFO] running `Command { std: "docker" "start" "-a" "e3710852ca6e02a93a608b9e0b10e9c233928d26b8566611a3f7bacfeda748b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling evco v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "e3710852ca6e02a93a608b9e0b10e9c233928d26b8566611a3f7bacfeda748b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3710852ca6e02a93a608b9e0b10e9c233928d26b8566611a3f7bacfeda748b1", kill_on_drop: false }`
[INFO] [stdout] e3710852ca6e02a93a608b9e0b10e9c233928d26b8566611a3f7bacfeda748b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8bfb67777e95c514693bce1949652d0f40e1d2c4992962ba99bf440b692e58c
[INFO] running `Command { std: "docker" "start" "-a" "e8bfb67777e95c514693bce1949652d0f40e1d2c4992962ba99bf440b692e58c", kill_on_drop: false }`
[INFO] [stderr]    Compiling evco v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> examples/snake.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         (cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stdout]     |         ^
[INFO] [stdout] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stdout] 133 |          self.snake.contains(&cell_in_direction))
[INFO] [stdout]     |                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 131 ~         cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stdout] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stdout] 133 ~          self.snake.contains(&cell_in_direction)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.80s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/evco-90e2977f202fb6bb)
[INFO] running `Command { std: "docker" "inspect" "e8bfb67777e95c514693bce1949652d0f40e1d2c4992962ba99bf440b692e58c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8bfb67777e95c514693bce1949652d0f40e1d2c4992962ba99bf440b692e58c", kill_on_drop: false }`
[INFO] [stdout] e8bfb67777e95c514693bce1949652d0f40e1d2c4992962ba99bf440b692e58c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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" "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" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14ef90256b2f8f7b3bc4df1498cd97fad138b018cf44df690f2e63a0960b9a7b
[INFO] running `Command { std: "docker" "start" "-a" "14ef90256b2f8f7b3bc4df1498cd97fad138b018cf44df690f2e63a0960b9a7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]    --> examples/snake.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         (cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stderr]     |         ^
[INFO] [stderr] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stderr] 133 |          self.snake.contains(&cell_in_direction))
[INFO] [stderr]     |                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 131 ~         cell_in_direction.x < 0 || cell_in_direction.y < 0 ||
[INFO] [stderr] 132 |          cell_in_direction.x >= self.size.x || cell_in_direction.y >= self.size.y ||
[INFO] [stderr] 133 ~          self.snake.contains(&cell_in_direction)
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: `evco` (example "snake") generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.56s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/evco-90e2977f202fb6bb)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests evco
[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" "14ef90256b2f8f7b3bc4df1498cd97fad138b018cf44df690f2e63a0960b9a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ef90256b2f8f7b3bc4df1498cd97fad138b018cf44df690f2e63a0960b9a7b", kill_on_drop: false }`
[INFO] [stdout] 14ef90256b2f8f7b3bc4df1498cd97fad138b018cf44df690f2e63a0960b9a7b