[INFO] fetching crate mirror_sparse_matrix 0.1.17... [INFO] testing mirror_sparse_matrix-0.1.17 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2 [INFO] extracting crate mirror_sparse_matrix 0.1.17 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mirror_sparse_matrix 0.1.17 on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 132 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stats_utils v0.1.3 [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 vector_utils v0.1.5 [INFO] [stderr] Downloaded permutation v0.2.5 [INFO] [stderr] Downloaded pprof v0.6.2 [INFO] [stderr] Downloaded prost-derive v0.9.0 [INFO] [stderr] Downloaded pretty_trace v0.5.23 [INFO] [stderr] Downloaded io_utils v0.3.2 [INFO] [stderr] Downloaded debugid v0.7.3 [INFO] [stderr] Downloaded binary_vec_io v0.1.12 [INFO] [stderr] Downloaded symbolic-common v8.8.0 [INFO] [stderr] Downloaded prost v0.9.0 [INFO] [stderr] Downloaded prost-types v0.9.0 [INFO] [stderr] Downloaded symbolic-demangle v8.8.0 [INFO] [stderr] Downloaded prost-build v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5973bb57bfd9fc95306cda6a9cb343c2240c58ff8b3caa43296e8481b36abbd9 [INFO] running `Command { std: "docker" "start" "-a" "5973bb57bfd9fc95306cda6a9cb343c2240c58ff8b3caa43296e8481b36abbd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5973bb57bfd9fc95306cda6a9cb343c2240c58ff8b3caa43296e8481b36abbd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5973bb57bfd9fc95306cda6a9cb343c2240c58ff8b3caa43296e8481b36abbd9", kill_on_drop: false }` [INFO] [stdout] 5973bb57bfd9fc95306cda6a9cb343c2240c58ff8b3caa43296e8481b36abbd9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ebda7b86ee6fb45cb3d1d747dc070d9abdcdcdd2975d3f082d7caff2833b9636 [INFO] running `Command { std: "docker" "start" "-a" "ebda7b86ee6fb45cb3d1d747dc070d9abdcdcdd2975d3f082d7caff2833b9636", kill_on_drop: false }` [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 1.97s [INFO] running `Command { std: "docker" "inspect" "ebda7b86ee6fb45cb3d1d747dc070d9abdcdcdd2975d3f082d7caff2833b9636", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ebda7b86ee6fb45cb3d1d747dc070d9abdcdcdd2975d3f082d7caff2833b9636", kill_on_drop: false }` [INFO] [stdout] ebda7b86ee6fb45cb3d1d747dc070d9abdcdcdd2975d3f082d7caff2833b9636 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93eaea60902c3ef3aeff9772dbfe0ee53b9266f8c8d85ab5ad0cd3cfc926de97 [INFO] running `Command { std: "docker" "start" "-a" "93eaea60902c3ef3aeff9772dbfe0ee53b9266f8c8d85ab5ad0cd3cfc926de97", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.185 [INFO] [stderr] Compiling either v1.15.0 [INFO] [stderr] Compiling anyhow v1.0.102 [INFO] [stderr] Compiling cc v1.2.60 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling syn v2.0.117 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling linux-raw-sys v0.4.15 [INFO] [stderr] Compiling memchr v2.8.0 [INFO] [stderr] Compiling itertools v0.10.5 [INFO] [stderr] Compiling home v0.5.12 [INFO] [stderr] Compiling bytes v1.11.1 [INFO] [stderr] Compiling aho-corasick v1.1.4 [INFO] [stderr] Compiling hashbrown v0.17.0 [INFO] [stderr] Compiling regex-syntax v0.8.10 [INFO] [stderr] Compiling simd-adler32 v0.3.9 [INFO] [stderr] Compiling which v4.4.2 [INFO] [stderr] Compiling miniz_oxide v0.8.9 [INFO] [stderr] Compiling prost-derive v0.9.0 [INFO] [stderr] Compiling getrandom v0.4.2 [INFO] [stderr] Compiling indexmap v2.14.0 [INFO] [stderr] Compiling prost-build v0.9.0 [INFO] [stderr] Compiling lz4-sys v1.11.1+lz4-1.10.0 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling unicode-segmentation v1.13.2 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling tempfile v3.27.0 [INFO] [stderr] Compiling permutation v0.2.5 [INFO] [stderr] Compiling parking_lot_core v0.8.6 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling uuid v0.8.2 [INFO] [stderr] Compiling superslice v1.0.0 [INFO] [stderr] Compiling multimap v0.8.3 [INFO] [stderr] Compiling prost v0.9.0 [INFO] [stderr] Compiling cpp_demangle v0.3.5 [INFO] [stderr] Compiling object v0.37.3 [INFO] [stderr] Compiling debugid v0.7.3 [INFO] [stderr] Compiling vector_utils v0.1.5 [INFO] [stderr] Compiling memmap2 v0.5.10 [INFO] [stderr] Compiling findshlibs v0.10.2 [INFO] [stderr] Compiling instant v0.1.13 [INFO] [stderr] Compiling prost-types v0.9.0 [INFO] [stderr] Compiling symbolic-demangle v8.8.0 [INFO] [stderr] Compiling rustc-demangle v0.1.27 [INFO] [stderr] Compiling regex-automata v0.4.14 [INFO] [stderr] Compiling stable_deref_trait v1.2.1 [INFO] [stderr] Compiling gimli v0.32.3 [INFO] [stderr] Compiling symbolic-common v8.8.0 [INFO] [stderr] Compiling flate2 v1.1.9 [INFO] [stderr] Compiling string_utils v0.1.4 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling nix v0.23.2 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling regex v1.12.3 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling addr2line v0.25.1 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling stats_utils v0.1.3 [INFO] [stderr] Compiling pprof v0.6.2 [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 backtrace v0.3.76 [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 1m 22s [INFO] running `Command { std: "docker" "inspect" "93eaea60902c3ef3aeff9772dbfe0ee53b9266f8c8d85ab5ad0cd3cfc926de97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93eaea60902c3ef3aeff9772dbfe0ee53b9266f8c8d85ab5ad0cd3cfc926de97", kill_on_drop: false }` [INFO] [stdout] 93eaea60902c3ef3aeff9772dbfe0ee53b9266f8c8d85ab5ad0cd3cfc926de97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bfe16156b7cf62cfd62450cb1fd98504c8bd1c653241606e2074734900edbf17 [INFO] running `Command { std: "docker" "start" "-a" "bfe16156b7cf62cfd62450cb1fd98504c8bd1c653241606e2074734900edbf17", 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 0.18s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mirror_sparse_matrix-c4e6ef12d7bbffb1) [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 0.01s [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" "bfe16156b7cf62cfd62450cb1fd98504c8bd1c653241606e2074734900edbf17", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bfe16156b7cf62cfd62450cb1fd98504c8bd1c653241606e2074734900edbf17", kill_on_drop: false }` [INFO] [stdout] bfe16156b7cf62cfd62450cb1fd98504c8bd1c653241606e2074734900edbf17