[INFO] cloning repository https://github.com/OrlovBohdan/practice1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OrlovBohdan/practice1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2Fpractice1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2Fpractice1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94b2b04073a74da726366c93fef95988b2f2d7f0
[INFO] testing OrlovBohdan/practice1 against try#16fbf98f22730e073c09e7b03f0eafb87a295545 for pr-145628-retry-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOrlovBohdan%2Fpractice1" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/OrlovBohdan/practice1
[INFO] finished tweaking git repo https://github.com/OrlovBohdan/practice1
[INFO] tweaked toml for git repo https://github.com/OrlovBohdan/practice1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/OrlovBohdan/practice1 on toolchain 16fbf98f22730e073c09e7b03f0eafb87a295545
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/OrlovBohdan/practice1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62d746c02f6ea9a3e5cefbe6b257ccfd4b6d2af00f2ea0d492c5ccdb2841bd5e
[INFO] running `Command { std: "docker" "start" "-a" "62d746c02f6ea9a3e5cefbe6b257ccfd4b6d2af00f2ea0d492c5ccdb2841bd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62d746c02f6ea9a3e5cefbe6b257ccfd4b6d2af00f2ea0d492c5ccdb2841bd5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62d746c02f6ea9a3e5cefbe6b257ccfd4b6d2af00f2ea0d492c5ccdb2841bd5e", kill_on_drop: false }`
[INFO] [stdout] 62d746c02f6ea9a3e5cefbe6b257ccfd4b6d2af00f2ea0d492c5ccdb2841bd5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af3cf3d4a13675e23812eebde562dd5389872e40a9e82f180d5770dc5ae7362
[INFO] running `Command { std: "docker" "start" "-a" "9af3cf3d4a13675e23812eebde562dd5389872e40a9e82f180d5770dc5ae7362", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `define_x` is never used
[INFO] [stdout]   --> src/task4.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn define_x() -> &'static str {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "9af3cf3d4a13675e23812eebde562dd5389872e40a9e82f180d5770dc5ae7362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af3cf3d4a13675e23812eebde562dd5389872e40a9e82f180d5770dc5ae7362", kill_on_drop: false }`
[INFO] [stdout] 9af3cf3d4a13675e23812eebde562dd5389872e40a9e82f180d5770dc5ae7362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c8152577d55492a9d4f7a7349156488bfe1bc9633c2b39e4dd97cb340720678
[INFO] running `Command { std: "docker" "start" "-a" "0c8152577d55492a9d4f7a7349156488bfe1bc9633c2b39e4dd97cb340720678", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/task1.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let y: i32; // Uninitialized but also unused, only a Warning !
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `x` is assigned to, but never used
[INFO] [stdout]  --> src/task6.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let mut x = 1;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: consider using `_x` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]  --> src/task6.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     x += 3;
[INFO] [stdout]   |     ^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/task6.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |     let y = 4;
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]   --> src/task6.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     let y = "I can also be bound to text!";
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "0c8152577d55492a9d4f7a7349156488bfe1bc9633c2b39e4dd97cb340720678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c8152577d55492a9d4f7a7349156488bfe1bc9633c2b39e4dd97cb340720678", kill_on_drop: false }`
[INFO] [stdout] 0c8152577d55492a9d4f7a7349156488bfe1bc9633c2b39e4dd97cb340720678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+16fbf98f22730e073c09e7b03f0eafb87a295545" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ba2a1b4cfc4e5c6663c4bff770b6b8cd26c81247cce3607e78f85c111584c5c3
[INFO] running `Command { std: "docker" "start" "-a" "ba2a1b4cfc4e5c6663c4bff770b6b8cd26c81247cce3607e78f85c111584c5c3", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/task1.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let y: i32; // Uninitialized but also unused, only a Warning !
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `x` is assigned to, but never used
[INFO] [stderr]  --> src/task6.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     let mut x = 1;
[INFO] [stderr]   |             ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider using `_x` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `x` is never read
[INFO] [stderr]  --> src/task6.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     x += 3;
[INFO] [stderr]   |     ^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/task6.rs:11:9
[INFO] [stderr]    |
[INFO] [stderr] 11 |     let y = 4;
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]   --> src/task6.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let y = "I can also be bound to text!";
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr] 
[INFO] [stderr] warning: `practice` (bin "practice" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/practice-b445edd3dfe34537)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test task1::main ... ok
[INFO] [stdout] test task2::main ... ok
[INFO] [stdout] test task5::main ... ok
[INFO] [stdout] test task3::main ... ok
[INFO] [stdout] test task4::main ... ok
[INFO] [stdout] test task6::main ... ok
[INFO] [stdout] test task8::main ... ok
[INFO] [stdout] test task9::main ... ok
[INFO] [stdout] test task7::main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ba2a1b4cfc4e5c6663c4bff770b6b8cd26c81247cce3607e78f85c111584c5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba2a1b4cfc4e5c6663c4bff770b6b8cd26c81247cce3607e78f85c111584c5c3", kill_on_drop: false }`
[INFO] [stdout] ba2a1b4cfc4e5c6663c4bff770b6b8cd26c81247cce3607e78f85c111584c5c3