[INFO] cloning repository https://github.com/sporto/run-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sporto/run-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Frun-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Frun-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2dd7aa43f8e607f8e8ec1be7e2de1b86e28146a
[INFO] testing sporto/run-rust against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsporto%2Frun-rust" "/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/sporto/run-rust on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sporto/run-rust
[INFO] finished tweaking git repo https://github.com/sporto/run-rust
[INFO] tweaked toml for git repo https://github.com/sporto/run-rust written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/sporto/run-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 3a1a55b72c48650fde11d8c4bea5beea86651f853a9324c5f6b3a4ba2743cb39
[INFO] running `Command { std: "docker" "start" "-a" "3a1a55b72c48650fde11d8c4bea5beea86651f853a9324c5f6b3a4ba2743cb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a1a55b72c48650fde11d8c4bea5beea86651f853a9324c5f6b3a4ba2743cb39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a1a55b72c48650fde11d8c4bea5beea86651f853a9324c5f6b3a4ba2743cb39", kill_on_drop: false }`
[INFO] [stdout] 3a1a55b72c48650fde11d8c4bea5beea86651f853a9324c5f6b3a4ba2743cb39
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23c39908c395b3408f52d8c3f14e296b9ec6e821e138b3124a1d54250e7cdeb0
[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" "23c39908c395b3408f52d8c3f14e296b9ec6e821e138b3124a1d54250e7cdeb0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.10
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.10
[INFO] [stderr]    Compiling toml v0.4.2
[INFO] [stderr]    Compiling run v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         Ok(config) => println!("{}", ""),
[INFO] [stdout]     |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     io::stdout().flush();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     io::stdin().read_line(&mut opt);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "23c39908c395b3408f52d8c3f14e296b9ec6e821e138b3124a1d54250e7cdeb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23c39908c395b3408f52d8c3f14e296b9ec6e821e138b3124a1d54250e7cdeb0", kill_on_drop: false }`
[INFO] [stdout] 23c39908c395b3408f52d8c3f14e296b9ec6e821e138b3124a1d54250e7cdeb0
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f948edc2b91a53df6223c5a351ec56e58db2ff71d274c17e5bf68bd75ace470
[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" "0f948edc2b91a53df6223c5a351ec56e58db2ff71d274c17e5bf68bd75ace470", kill_on_drop: false }`
[INFO] [stderr]    Compiling run v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `toml::Value`
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use toml::Value;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/main.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |         Ok(config) => println!("{}", ""),
[INFO] [stdout]     |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     io::stdout().flush();
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     io::stdin().read_line(&mut opt);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "0f948edc2b91a53df6223c5a351ec56e58db2ff71d274c17e5bf68bd75ace470", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f948edc2b91a53df6223c5a351ec56e58db2ff71d274c17e5bf68bd75ace470", kill_on_drop: false }`
[INFO] [stdout] 0f948edc2b91a53df6223c5a351ec56e58db2ff71d274c17e5bf68bd75ace470
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1bb7516caa62f5a5e94eb70a5b4e2c058814a5acc38f2875d12d7101d1355325
[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" "1bb7516caa62f5a5e94eb70a5b4e2c058814a5acc38f2875d12d7101d1355325", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `toml::Value`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use toml::Value;
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]    --> src/main.rs:120:12
[INFO] [stderr]     |
[INFO] [stderr] 120 |         Ok(config) => println!("{}", ""),
[INFO] [stderr]     |            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:64:5
[INFO] [stderr]    |
[INFO] [stderr] 64 |     io::stdout().flush();
[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] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:67:5
[INFO] [stderr]    |
[INFO] [stderr] 67 |     io::stdin().read_line(&mut opt);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/run-e23d04a55bb210ba
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bb7516caa62f5a5e94eb70a5b4e2c058814a5acc38f2875d12d7101d1355325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bb7516caa62f5a5e94eb70a5b4e2c058814a5acc38f2875d12d7101d1355325", kill_on_drop: false }`
[INFO] [stdout] 1bb7516caa62f5a5e94eb70a5b4e2c058814a5acc38f2875d12d7101d1355325