[INFO] fetching crate magicsquare 0.2.0... [INFO] testing magicsquare-0.2.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate magicsquare 0.2.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate magicsquare 0.2.0 [INFO] finished tweaking crates.io crate magicsquare 0.2.0 [INFO] tweaked toml for crates.io crate magicsquare 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate magicsquare 0.2.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate magicsquare 0.2.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b761b21e0900cbe8a30030e857756d0a32513dc08859032c569576440fe4a80 [INFO] running `Command { std: "docker" "start" "-a" "1b761b21e0900cbe8a30030e857756d0a32513dc08859032c569576440fe4a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b761b21e0900cbe8a30030e857756d0a32513dc08859032c569576440fe4a80", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b761b21e0900cbe8a30030e857756d0a32513dc08859032c569576440fe4a80", kill_on_drop: false }` [INFO] [stdout] 1b761b21e0900cbe8a30030e857756d0a32513dc08859032c569576440fe4a80 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2fddaf521410596c6ec4be776b37bd4f9482d0d66874c33595e9b0290cfcd7e9 [INFO] running `Command { std: "docker" "start" "-a" "2fddaf521410596c6ec4be776b37bd4f9482d0d66874c33595e9b0290cfcd7e9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling matrixmultiply v0.3.2 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling num-complex v0.4.0 [INFO] [stderr] Compiling ndarray v0.15.4 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling ndarray-csv v0.5.1 [INFO] [stderr] Compiling magicsquare v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils/dim2_all.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MagicSquareAll(usize); [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [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 6.50s [INFO] running `Command { std: "docker" "inspect" "2fddaf521410596c6ec4be776b37bd4f9482d0d66874c33595e9b0290cfcd7e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2fddaf521410596c6ec4be776b37bd4f9482d0d66874c33595e9b0290cfcd7e9", kill_on_drop: false }` [INFO] [stdout] 2fddaf521410596c6ec4be776b37bd4f9482d0d66874c33595e9b0290cfcd7e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4c42b6f8826e178c0a5c3df31d429c1d749abf7a0787b052356432ead385296 [INFO] running `Command { std: "docker" "start" "-a" "a4c42b6f8826e178c0a5c3df31d429c1d749abf7a0787b052356432ead385296", kill_on_drop: false }` [INFO] [stderr] Compiling magicsquare v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils/dim2_all.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MagicSquareAll(usize); [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/utils/dim2_all.rs:1:43 [INFO] [stdout] | [INFO] [stdout] 1 | pub struct MagicSquareAll(usize); [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "a4c42b6f8826e178c0a5c3df31d429c1d749abf7a0787b052356432ead385296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4c42b6f8826e178c0a5c3df31d429c1d749abf7a0787b052356432ead385296", kill_on_drop: false }` [INFO] [stdout] a4c42b6f8826e178c0a5c3df31d429c1d749abf7a0787b052356432ead385296 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7df26cd7b338d6ac0b553bf2dd8c7136f1927ab414e92f05967bae517ce20565 [INFO] running `Command { std: "docker" "start" "-a" "7df26cd7b338d6ac0b553bf2dd8c7136f1927ab414e92f05967bae517ce20565", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/utils/dim2_all.rs:1:43 [INFO] [stderr] | [INFO] [stderr] 1 | pub struct MagicSquareAll(usize); [INFO] [stderr] | -------------- ^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this struct [INFO] [stderr] | [INFO] [stderr] = help: consider removing this field [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `magicsquare` (lib) generated 1 warning [INFO] [stderr] warning: `magicsquare` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magicsquare-3e2eac28345bfa12) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/magicsquare-432025e1174a2a8b) [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] [stderr] Doc-tests magicsquare [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" "7df26cd7b338d6ac0b553bf2dd8c7136f1927ab414e92f05967bae517ce20565", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7df26cd7b338d6ac0b553bf2dd8c7136f1927ab414e92f05967bae517ce20565", kill_on_drop: false }` [INFO] [stdout] 7df26cd7b338d6ac0b553bf2dd8c7136f1927ab414e92f05967bae517ce20565