[INFO] cloning repository https://github.com/iAeternus/ricky_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iAeternus/ricky_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAeternus%2Fricky_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAeternus%2Fricky_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47a5f2faaa32f89c1e4d3812abfe079d518eaf0b
[INFO] checking iAeternus/ricky_rust against try#7df376b035b3d12ff0386ad8b45b76dbe020257b for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FiAeternus%2Fricky_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iAeternus/ricky_rust
[INFO] finished tweaking git repo https://github.com/iAeternus/ricky_rust
[INFO] tweaked toml for git repo https://github.com/iAeternus/ricky_rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iAeternus/ricky_rust on toolchain 7df376b035b3d12ff0386ad8b45b76dbe020257b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iAeternus/ricky_rust 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" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 248c65bcfb5cf2216d6665e023839002f11f0e97b0a4ce5a36df1e52c3004161
[INFO] running `Command { std: "docker" "start" "-a" "248c65bcfb5cf2216d6665e023839002f11f0e97b0a4ce5a36df1e52c3004161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "248c65bcfb5cf2216d6665e023839002f11f0e97b0a4ce5a36df1e52c3004161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "248c65bcfb5cf2216d6665e023839002f11f0e97b0a4ce5a36df1e52c3004161", kill_on_drop: false }`
[INFO] [stdout] 248c65bcfb5cf2216d6665e023839002f11f0e97b0a4ce5a36df1e52c3004161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+7df376b035b3d12ff0386ad8b45b76dbe020257b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1bde6a8bea27b80c881482c8152a32c2c303c0265b03b953e983301b1bdd65d
[INFO] running `Command { std: "docker" "start" "-a" "a1bde6a8bea27b80c881482c8152a32c2c303c0265b03b953e983301b1bdd65d", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2024 which implies `resolver = "3"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2024 resolver, specify `workspace.resolver = "3"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling anyhow v1.0.98
[INFO] [stderr]     Checking rat_rs v0.1.0 (/opt/rustwide/workdir/rat_rs)
[INFO] [stderr]     Checking avl_tree v0.1.0 (/opt/rustwide/workdir/avl_tree)
[INFO] [stderr]     Checking matrix v0.1.0 (/opt/rustwide/workdir/matrix)
[INFO] [stdout] warning: unused import: `crate::matrix::Matrix`
[INFO] [stdout]  --> matrix/src/macros.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::matrix::Matrix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> matrix/src/matrix.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_mut(&mut self, i: usize, j: usize) -> Result<&mut T, MatrixError> {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> matrix/src/matrix.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_mut(&mut self, i: usize, j: usize) -> Result<&mut T, MatrixError> {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> matrix/src/matrix.rs:30:31
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_mut(&mut self, i: usize, j: usize) -> Result<&mut T, MatrixError> {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `j`
[INFO] [stdout]   --> matrix/src/matrix.rs:30:41
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn get_mut(&mut self, i: usize, j: usize) -> Result<&mut T, MatrixError> {
[INFO] [stdout]    |                                         ^ help: if this is intentional, prefix it with an underscore: `_j`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking http-server v0.1.0 (/opt/rustwide/workdir/http-server)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> http-server/src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             handle_connection(stream);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = handle_connection(stream);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> http-server/src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |             handle_connection(stream);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let _ = handle_connection(stream);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "a1bde6a8bea27b80c881482c8152a32c2c303c0265b03b953e983301b1bdd65d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1bde6a8bea27b80c881482c8152a32c2c303c0265b03b953e983301b1bdd65d", kill_on_drop: false }`
[INFO] [stdout] a1bde6a8bea27b80c881482c8152a32c2c303c0265b03b953e983301b1bdd65d