[INFO] fetching crate rusty-santa 0.1.0... [INFO] building rusty-santa-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1 [INFO] extracting crate rusty-santa 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate rusty-santa 0.1.0 [INFO] finished tweaking crates.io crate rusty-santa 0.1.0 [INFO] tweaked toml for crates.io crate rusty-santa 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate rusty-santa 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding env_logger v0.4.3 (available: v0.11.8) [INFO] [stderr] Adding log v0.3.9 (available: v0.4.28) [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Blocking waiting for file lock on package cache [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94d32171fc753c5e7b76ab58808e0ad7dd94f4901b0d5549324b58226009f36e [INFO] running `Command { std: "docker" "start" "-a" "94d32171fc753c5e7b76ab58808e0ad7dd94f4901b0d5549324b58226009f36e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94d32171fc753c5e7b76ab58808e0ad7dd94f4901b0d5549324b58226009f36e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94d32171fc753c5e7b76ab58808e0ad7dd94f4901b0d5549324b58226009f36e", kill_on_drop: false }` [INFO] [stdout] 94d32171fc753c5e7b76ab58808e0ad7dd94f4901b0d5549324b58226009f36e [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5d4be61b54fe73661fe45d486d8926950d5b4f5615bbd6bd848e61cddd2b3903 [INFO] running `Command { std: "docker" "start" "-a" "5d4be61b54fe73661fe45d486d8926950d5b4f5615bbd6bd848e61cddd2b3903", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `get` and `size` are never used [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn size(&self) -> usize { [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 1.32s [INFO] running `Command { std: "docker" "inspect" "5d4be61b54fe73661fe45d486d8926950d5b4f5615bbd6bd848e61cddd2b3903", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d4be61b54fe73661fe45d486d8926950d5b4f5615bbd6bd848e61cddd2b3903", kill_on_drop: false }` [INFO] [stdout] 5d4be61b54fe73661fe45d486d8926950d5b4f5615bbd6bd848e61cddd2b3903 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ccca02050bca2e8ff134728435825664955a36b2ee9e38b74f83167e427d63b6 [INFO] running `Command { std: "docker" "start" "-a" "ccca02050bca2e8ff134728435825664955a36b2ee9e38b74f83167e427d63b6", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.10 [INFO] [stderr] Compiling utf8-ranges v1.0.5 [INFO] [stderr] Compiling thread_local v0.3.6 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stdout] warning: methods `get` and `size` are never used [INFO] [stdout] --> src/lib.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 35 | impl Matrix { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn get(&self, x: &str, y: &str) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | pub fn size(&self) -> usize { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling regex-syntax v0.5.6 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling rusty-santa v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:279:13 [INFO] [stdout] | [INFO] [stdout] 279 | let mut matrix = Matrix::new(keys); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/lib.rs:357:13 [INFO] [stdout] | [INFO] [stdout] 357 | for i in 0..1000 { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:358:13 [INFO] [stdout] | [INFO] [stdout] 358 | group.assign(); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 358 | let _ = group.assign(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.35s [INFO] running `Command { std: "docker" "inspect" "ccca02050bca2e8ff134728435825664955a36b2ee9e38b74f83167e427d63b6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccca02050bca2e8ff134728435825664955a36b2ee9e38b74f83167e427d63b6", kill_on_drop: false }` [INFO] [stdout] ccca02050bca2e8ff134728435825664955a36b2ee9e38b74f83167e427d63b6