[INFO] fetching crate mirror_sparse_matrix 0.1.17... [INFO] testing mirror_sparse_matrix-0.1.17 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] extracting crate mirror_sparse_matrix 0.1.17 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate mirror_sparse_matrix 0.1.17 [INFO] finished tweaking crates.io crate mirror_sparse_matrix 0.1.17 [INFO] tweaked toml for crates.io crate mirror_sparse_matrix 0.1.17 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mirror_sparse_matrix 0.1.17 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 111 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded io_utils v0.3.2 [INFO] [stderr] Downloaded lz4 v1.28.1 [INFO] [stderr] Downloaded string_utils v0.1.4 [INFO] [stderr] Downloaded tables v0.1.5 [INFO] [stderr] Downloaded superslice v1.0.0 [INFO] [stderr] Downloaded permutation v0.2.5 [INFO] [stderr] Downloaded vector_utils v0.1.5 [INFO] [stderr] Downloaded multimap v0.8.3 [INFO] [stderr] Downloaded findshlibs v0.10.2 [INFO] [stderr] Downloaded parking_lot v0.11.2 [INFO] [stderr] Downloaded binary_vec_io v0.1.12 [INFO] [stderr] Downloaded parking_lot_core v0.8.6 [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded prost-types v0.9.0 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded pprof v0.6.2 [INFO] [stderr] Downloaded cpp_demangle v0.3.5 [INFO] [stderr] Downloaded debugid v0.7.3 [INFO] [stderr] Downloaded symbolic-common v8.8.0 [INFO] [stderr] Downloaded stats_utils v0.1.3 [INFO] [stderr] Downloaded uuid v0.8.2 [INFO] [stderr] Downloaded lz4-sys v1.11.1+lz4-1.10.0 [INFO] [stderr] Downloaded nix v0.23.2 [INFO] [stderr] Downloaded symbolic-demangle v8.8.0 [INFO] [stderr] Downloaded petgraph v0.6.5 [INFO] [stderr] Downloaded prost-build v0.9.0 [INFO] [stderr] Downloaded pretty_trace v0.5.23 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 298c1cc1d88e67c14408624f6ce62269355ec4f9f369eb05586f9d1d557bbb8f [INFO] running `Command { std: "docker" "start" "-a" "298c1cc1d88e67c14408624f6ce62269355ec4f9f369eb05586f9d1d557bbb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "298c1cc1d88e67c14408624f6ce62269355ec4f9f369eb05586f9d1d557bbb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "298c1cc1d88e67c14408624f6ce62269355ec4f9f369eb05586f9d1d557bbb8f", kill_on_drop: false }` [INFO] [stdout] 298c1cc1d88e67c14408624f6ce62269355ec4f9f369eb05586f9d1d557bbb8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43505d8ab031b81a30e477ba8adb59c22e81ac7e85f6de974eb63c780cf2414b [INFO] running `Command { std: "docker" "start" "-a" "43505d8ab031b81a30e477ba8adb59c22e81ac7e85f6de974eb63c780cf2414b", kill_on_drop: false }` [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling binary_vec_io v0.1.12 [INFO] [stderr] Compiling mirror_sparse_matrix v0.1.17 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/lib.rs:316:17 [INFO] [stdout] | [INFO] [stdout] 316 | pos += 1; [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s [INFO] running `Command { std: "docker" "inspect" "43505d8ab031b81a30e477ba8adb59c22e81ac7e85f6de974eb63c780cf2414b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43505d8ab031b81a30e477ba8adb59c22e81ac7e85f6de974eb63c780cf2414b", kill_on_drop: false }` [INFO] [stdout] 43505d8ab031b81a30e477ba8adb59c22e81ac7e85f6de974eb63c780cf2414b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0af0b18aeab551aede63bf48448b14256e8084d65883be889b148bdd1c427a8a [INFO] running `Command { std: "docker" "start" "-a" "0af0b18aeab551aede63bf48448b14256e8084d65883be889b148bdd1c427a8a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.177 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling bitflags v2.10.0 [INFO] [stderr] Compiling find-msvc-tools v0.1.4 [INFO] [stderr] Compiling anyhow v1.0.100 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling getrandom v0.3.4 [INFO] [stderr] Compiling rustix v1.1.2 [INFO] [stderr] Compiling linux-raw-sys v0.11.0 [INFO] [stderr] Compiling bytes v1.10.1 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling once_cell v1.21.3 [INFO] [stderr] Compiling fastrand v2.3.0 [INFO] [stderr] Compiling regex-syntax v0.8.8 [INFO] [stderr] Compiling equivalent v1.0.2 [INFO] [stderr] Compiling hashbrown v0.16.0 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling lazy_static v1.5.0 [INFO] [stderr] Compiling cc v1.2.45 [INFO] [stderr] Compiling superslice v1.0.0 [INFO] [stderr] Compiling permutation v0.2.5 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling indexmap v2.12.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling log v0.4.28 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling vector_utils v0.1.5 [INFO] [stderr] Compiling debugid v0.7.3 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling stable_deref_trait v1.2.1 [INFO] [stderr] Compiling symbolic-demangle v8.8.0 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling string_utils v0.1.4 [INFO] [stderr] Compiling lock_api v0.4.14 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling stats_utils v0.1.3 [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/lib.rs:316:17 [INFO] [stdout] | [INFO] [stdout] 316 | pos += 1; [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] [stderr] Compiling lz4-sys v1.11.1+lz4-1.10.0 [INFO] [stderr] Compiling findshlibs v0.10.2 [INFO] [stderr] Compiling memmap2 v0.5.10 [INFO] [stderr] Compiling regex-automata v0.4.13 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling tempfile v3.23.0 [INFO] [stderr] Compiling symbolic-common v8.8.0 [INFO] [stderr] Compiling prost-build v0.9.0 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling nix v0.23.2 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling prost v0.9.0 [INFO] [stderr] Compiling regex v1.12.2 [INFO] [stderr] Compiling prost-types v0.9.0 [INFO] [stderr] Compiling backtrace v0.3.76 [INFO] [stderr] Compiling pprof v0.6.2 [INFO] [stderr] Compiling lz4 v1.28.1 [INFO] [stderr] Compiling io_utils v0.3.2 [INFO] [stderr] Compiling tables v0.1.5 [INFO] [stderr] Compiling pretty_trace v0.5.23 [INFO] [stderr] Compiling mirror_sparse_matrix v0.1.17 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `pos` is never read [INFO] [stdout] --> src/lib.rs:316:17 [INFO] [stdout] | [INFO] [stdout] 316 | pos += 1; [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] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 36.19s [INFO] running `Command { std: "docker" "inspect" "0af0b18aeab551aede63bf48448b14256e8084d65883be889b148bdd1c427a8a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0af0b18aeab551aede63bf48448b14256e8084d65883be889b148bdd1c427a8a", kill_on_drop: false }` [INFO] [stdout] 0af0b18aeab551aede63bf48448b14256e8084d65883be889b148bdd1c427a8a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b91c64ab303d91169c13f7d5af187bcbdb4e2ccd07b9fc93585162377e91a245 [INFO] running `Command { std: "docker" "start" "-a" "b91c64ab303d91169c13f7d5af187bcbdb4e2ccd07b9fc93585162377e91a245", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `pos` is never read [INFO] [stderr] --> src/lib.rs:316:17 [INFO] [stderr] | [INFO] [stderr] 316 | pos += 1; [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: `mirror_sparse_matrix` (lib) generated 1 warning [INFO] [stderr] warning: `mirror_sparse_matrix` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mirror_sparse_matrix-73dd2620c3331b90) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::test_mirror_sparse_matrix ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] Doc-tests mirror_sparse_matrix [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" "b91c64ab303d91169c13f7d5af187bcbdb4e2ccd07b9fc93585162377e91a245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b91c64ab303d91169c13f7d5af187bcbdb4e2ccd07b9fc93585162377e91a245", kill_on_drop: false }` [INFO] [stdout] b91c64ab303d91169c13f7d5af187bcbdb4e2ccd07b9fc93585162377e91a245