[INFO] cloning repository https://github.com/Rep2/RS_2_lab
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rep2/RS_2_lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRep2%2FRS_2_lab", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRep2%2FRS_2_lab'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04983c92873fb56da2b806ea7bd6b70e11178bc0
[INFO] testing Rep2/RS_2_lab 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%2FRep2%2FRS_2_lab" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rep2/RS_2_lab 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/Rep2/RS_2_lab
[INFO] finished tweaking git repo https://github.com/Rep2/RS_2_lab
[INFO] tweaked toml for git repo https://github.com/Rep2/RS_2_lab written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/Rep2/RS_2_lab 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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a8018ca8e9fbbaddd9da966374de59ef74266ac62e82ab90b4bd72b9a80bafba
[INFO] running `Command { std: "docker" "start" "-a" "a8018ca8e9fbbaddd9da966374de59ef74266ac62e82ab90b4bd72b9a80bafba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8018ca8e9fbbaddd9da966374de59ef74266ac62e82ab90b4bd72b9a80bafba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8018ca8e9fbbaddd9da966374de59ef74266ac62e82ab90b4bd72b9a80bafba", kill_on_drop: false }`
[INFO] [stdout] a8018ca8e9fbbaddd9da966374de59ef74266ac62e82ab90b4bd72b9a80bafba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 288ea7705975a27feba7ca7ef69ed9478dbb195bbcf73d00f6505a3b6cd716cf
[INFO] running `Command { std: "docker" "start" "-a" "288ea7705975a27feba7ca7ef69ed9478dbb195bbcf73d00f6505a3b6cd716cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/nodes.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/nodes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/main.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let node = nodes::register_node();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nodes.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut file_in = match OpenOptions::new().
[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: variable `readLine` should have a snake case name
[INFO] [stdout]   --> src/nodes.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut readLine = String::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `read_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "288ea7705975a27feba7ca7ef69ed9478dbb195bbcf73d00f6505a3b6cd716cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288ea7705975a27feba7ca7ef69ed9478dbb195bbcf73d00f6505a3b6cd716cf", kill_on_drop: false }`
[INFO] [stdout] 288ea7705975a27feba7ca7ef69ed9478dbb195bbcf73d00f6505a3b6cd716cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 6e6c5af05e7f06558a89cd03e017e3fb2e0ca1ddba7cb0e0fb2f34ced5885c69
[INFO] running `Command { std: "docker" "start" "-a" "6e6c5af05e7f06558a89cd03e017e3fb2e0ca1ddba7cb0e0fb2f34ced5885c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/nodes.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, BufReader};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/nodes.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]   --> src/main.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let node = nodes::register_node();
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/nodes.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let mut file_in = match OpenOptions::new().
[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: variable `readLine` should have a snake case name
[INFO] [stdout]   --> src/nodes.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mut readLine = String::new();
[INFO] [stdout]    |             ^^^^^^^^ help: convert the identifier to snake case: `read_line`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rs2-1a00a94cbbafb115)
[INFO] running `Command { std: "docker" "inspect" "6e6c5af05e7f06558a89cd03e017e3fb2e0ca1ddba7cb0e0fb2f34ced5885c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e6c5af05e7f06558a89cd03e017e3fb2e0ca1ddba7cb0e0fb2f34ced5885c69", kill_on_drop: false }`
[INFO] [stdout] 6e6c5af05e7f06558a89cd03e017e3fb2e0ca1ddba7cb0e0fb2f34ced5885c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] dc48444b55b8df987515b91ff23892202999347e917e74e423760487b4b050a2
[INFO] running `Command { std: "docker" "start" "-a" "dc48444b55b8df987515b91ff23892202999347e917e74e423760487b4b050a2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/nodes.rs:1:15
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, BufReader};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]  --> src/nodes.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::fs::File;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `node`
[INFO] [stderr]   --> src/main.rs:24:6
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let node = nodes::register_node();
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/nodes.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mut file_in = match OpenOptions::new().
[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: variable `readLine` should have a snake case name
[INFO] [stderr]   --> src/nodes.rs:30:10
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let mut readLine = String::new();
[INFO] [stderr]    |             ^^^^^^^^ help: convert the identifier to snake case: `read_line`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rs2` (bin "rs2" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rs2-1a00a94cbbafb115)
[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" "dc48444b55b8df987515b91ff23892202999347e917e74e423760487b4b050a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc48444b55b8df987515b91ff23892202999347e917e74e423760487b4b050a2", kill_on_drop: false }`
[INFO] [stdout] dc48444b55b8df987515b91ff23892202999347e917e74e423760487b4b050a2