[INFO] cloning repository https://github.com/ericcvento/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericcvento/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericcvento%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericcvento%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2f585bc44259c80866a3bf0c3a187e236d3ce82
[INFO] testing ericcvento/guessing_game against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericcvento%2Fguessing_game" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ericcvento/guessing_game 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 git repo https://github.com/ericcvento/guessing_game
[INFO] finished tweaking git repo https://github.com/ericcvento/guessing_game
[INFO] tweaked toml for git repo https://github.com/ericcvento/guessing_game written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ericcvento/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6d0c18c026591b42edfee217100ec60994687cab77a4ceaae43742d59345dae0
[INFO] running `Command { std: "docker" "start" "-a" "6d0c18c026591b42edfee217100ec60994687cab77a4ceaae43742d59345dae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d0c18c026591b42edfee217100ec60994687cab77a4ceaae43742d59345dae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d0c18c026591b42edfee217100ec60994687cab77a4ceaae43742d59345dae0", kill_on_drop: false }`
[INFO] [stdout] 6d0c18c026591b42edfee217100ec60994687cab77a4ceaae43742d59345dae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 49711f546c05bd048f661df369aacf1d18853ec9d02b3b7af5e2ebb131aa7c57
[INFO] running `Command { std: "docker" "start" "-a" "49711f546c05bd048f661df369aacf1d18853ec9d02b3b7af5e2ebb131aa7c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `apples`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let apples = 5; 
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_apples`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bananas`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bananas = 5; 
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bananas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bananas = 5; 
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.79s
[INFO] running `Command { std: "docker" "inspect" "49711f546c05bd048f661df369aacf1d18853ec9d02b3b7af5e2ebb131aa7c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49711f546c05bd048f661df369aacf1d18853ec9d02b3b7af5e2ebb131aa7c57", kill_on_drop: false }`
[INFO] [stdout] 49711f546c05bd048f661df369aacf1d18853ec9d02b3b7af5e2ebb131aa7c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51d009732760c9e6c400b26e831fd833c3fd2b514780d3d632a30c09080c85a0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "51d009732760c9e6c400b26e831fd833c3fd2b514780d3d632a30c09080c85a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `apples`
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let apples = 5; 
[INFO] [stdout]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_apples`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bananas`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bananas = 5; 
[INFO] [stdout]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bananas`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let mut bananas = 5; 
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-cc11769815726503)
[INFO] running `Command { std: "docker" "inspect" "51d009732760c9e6c400b26e831fd833c3fd2b514780d3d632a30c09080c85a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51d009732760c9e6c400b26e831fd833c3fd2b514780d3d632a30c09080c85a0", kill_on_drop: false }`
[INFO] [stdout] 51d009732760c9e6c400b26e831fd833c3fd2b514780d3d632a30c09080c85a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 61e1bae4cec58b5278a92c292b5fce51cdfd63092b8ae9be7c9e2f5810327106
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "61e1bae4cec58b5278a92c292b5fce51cdfd63092b8ae9be7c9e2f5810327106", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `apples`
[INFO] [stderr]  --> src/main.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let apples = 5; 
[INFO] [stderr]   |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_apples`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bananas`
[INFO] [stderr]  --> src/main.rs:9:13
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut bananas = 5; 
[INFO] [stderr]   |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bananas`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let mut bananas = 5; 
[INFO] [stderr]   |         ----^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `guessing_game` (bin "guessing_game" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-cc11769815726503)
[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" "61e1bae4cec58b5278a92c292b5fce51cdfd63092b8ae9be7c9e2f5810327106", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e1bae4cec58b5278a92c292b5fce51cdfd63092b8ae9be7c9e2f5810327106", kill_on_drop: false }`
[INFO] [stdout] 61e1bae4cec58b5278a92c292b5fce51cdfd63092b8ae9be7c9e2f5810327106