[INFO] cloning repository https://github.com/planetnoob/rust_intro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/planetnoob/rust_intro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanetnoob%2Frust_intro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanetnoob%2Frust_intro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7175497dd123a41647dbb80268e2e61c8ab2d5
[INFO] testing planetnoob/rust_intro 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%2Fplanetnoob%2Frust_intro" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/planetnoob/rust_intro 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/planetnoob/rust_intro
[INFO] finished tweaking git repo https://github.com/planetnoob/rust_intro
[INFO] tweaked toml for git repo https://github.com/planetnoob/rust_intro written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/planetnoob/rust_intro 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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c0819d8ff9f052972c1e46bb35ed2e1c9c6f4e14b29cc0853a4c5b66c33679ef
[INFO] running `Command { std: "docker" "start" "-a" "c0819d8ff9f052972c1e46bb35ed2e1c9c6f4e14b29cc0853a4c5b66c33679ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c0819d8ff9f052972c1e46bb35ed2e1c9c6f4e14b29cc0853a4c5b66c33679ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0819d8ff9f052972c1e46bb35ed2e1c9c6f4e14b29cc0853a4c5b66c33679ef", kill_on_drop: false }`
[INFO] [stdout] c0819d8ff9f052972c1e46bb35ed2e1c9c6f4e14b29cc0853a4c5b66c33679ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 01cebdde0743a38589f4d8f4e2940f4a5f8a389d8bc5e51ee74d4c00d6bfd252
[INFO] running `Command { std: "docker" "start" "-a" "01cebdde0743a38589f4d8f4e2940f4a5f8a389d8bc5e51ee74d4c00d6bfd252", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rust_commons/ownership/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut s3 = String::from("Hello, from the Inside!");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.53s
[INFO] running `Command { std: "docker" "inspect" "01cebdde0743a38589f4d8f4e2940f4a5f8a389d8bc5e51ee74d4c00d6bfd252", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cebdde0743a38589f4d8f4e2940f4a5f8a389d8bc5e51ee74d4c00d6bfd252", kill_on_drop: false }`
[INFO] [stdout] 01cebdde0743a38589f4d8f4e2940f4a5f8a389d8bc5e51ee74d4c00d6bfd252
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2f1ec787f1f4945b67df2f1e243c9bdef9b8cc2a017ece2c0c98fb87ef34de60
[INFO] running `Command { std: "docker" "start" "-a" "2f1ec787f1f4945b67df2f1e243c9bdef9b8cc2a017ece2c0c98fb87ef34de60", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/rust_commons/ownership/main.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |     let mut s3 = String::from("Hello, from the Inside!");
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/guessing_game/main.rs (/opt/rustwide/target/debug/deps/guessing_game-165d8ffdb4a30c8f)
[INFO] [stderr]   Executable unittests src/hello_world/main.rs (/opt/rustwide/target/debug/deps/hello_world-3b70478a50f9a5c2)
[INFO] [stderr]   Executable unittests src/rust_commons/main.rs (/opt/rustwide/target/debug/deps/rust_commons-8d82c75b5cc72526)
[INFO] [stderr]   Executable unittests src/rust_commons/controlflow/main.rs (/opt/rustwide/target/debug/deps/rust_commons_controlflow-0e179d07f0de01e0)
[INFO] [stderr]   Executable unittests src/rust_commons/datatypes/main.rs (/opt/rustwide/target/debug/deps/rust_commons_datatypes-221f37ebb148bf4a)
[INFO] [stderr]   Executable unittests src/rust_commons/functions/main.rs (/opt/rustwide/target/debug/deps/rust_commons_functions-4e002f1d526c3ca0)
[INFO] [stderr]   Executable unittests src/rust_commons/ownership/main.rs (/opt/rustwide/target/debug/deps/rust_commons_ownership-2de6d06cfdaf9be4)
[INFO] [stderr]   Executable unittests src/rust_commons/refandborrow/main.rs (/opt/rustwide/target/debug/deps/rust_commons_refandborrow-b2b1d03aec1f9901)
[INFO] [stderr]   Executable unittests src/rust_commons/variables/main.rs (/opt/rustwide/target/debug/deps/rust_commons_variables-9e0b0044e7b2f6eb)
[INFO] running `Command { std: "docker" "inspect" "2f1ec787f1f4945b67df2f1e243c9bdef9b8cc2a017ece2c0c98fb87ef34de60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1ec787f1f4945b67df2f1e243c9bdef9b8cc2a017ece2c0c98fb87ef34de60", kill_on_drop: false }`
[INFO] [stdout] 2f1ec787f1f4945b67df2f1e243c9bdef9b8cc2a017ece2c0c98fb87ef34de60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 7a4b4b8b08ba4d0357511fc34fa2aba9abfad0360544987f004f788ae16596ad
[INFO] running `Command { std: "docker" "start" "-a" "7a4b4b8b08ba4d0357511fc34fa2aba9abfad0360544987f004f788ae16596ad", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] 
[INFO] [stderr]    --> src/rust_commons/ownership/main.rs:157:9
[INFO] [stdout] running 0 tests
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr] 157 |     let mut s3 = String::from("Hello, from the Inside!");
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     |         ----^^
[INFO] [stdout] 
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rusty` (bin "rust_commons_ownership" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/guessing_game/main.rs (/opt/rustwide/target/debug/deps/guessing_game-165d8ffdb4a30c8f)
[INFO] [stderr]      Running unittests src/hello_world/main.rs (/opt/rustwide/target/debug/deps/hello_world-3b70478a50f9a5c2)
[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/rust_commons/main.rs (/opt/rustwide/target/debug/deps/rust_commons-8d82c75b5cc72526)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/rust_commons/controlflow/main.rs (/opt/rustwide/target/debug/deps/rust_commons_controlflow-0e179d07f0de01e0)
[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] [stdout] 
[INFO] [stderr]      Running unittests src/rust_commons/datatypes/main.rs (/opt/rustwide/target/debug/deps/rust_commons_datatypes-221f37ebb148bf4a)
[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] [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] [stdout] 
[INFO] [stderr]      Running unittests src/rust_commons/functions/main.rs (/opt/rustwide/target/debug/deps/rust_commons_functions-4e002f1d526c3ca0)
[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/rust_commons/ownership/main.rs (/opt/rustwide/target/debug/deps/rust_commons_ownership-2de6d06cfdaf9be4)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/rust_commons/refandborrow/main.rs (/opt/rustwide/target/debug/deps/rust_commons_refandborrow-b2b1d03aec1f9901)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/rust_commons/variables/main.rs (/opt/rustwide/target/debug/deps/rust_commons_variables-9e0b0044e7b2f6eb)
[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] [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] [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" "7a4b4b8b08ba4d0357511fc34fa2aba9abfad0360544987f004f788ae16596ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a4b4b8b08ba4d0357511fc34fa2aba9abfad0360544987f004f788ae16596ad", kill_on_drop: false }`
[INFO] [stdout] 7a4b4b8b08ba4d0357511fc34fa2aba9abfad0360544987f004f788ae16596ad