[INFO] fetching crate mirror_sparse_matrix 0.1.17...
[INFO] checking mirror_sparse_matrix-0.1.17 against try#1463461488056994d1b84e8b752e7c11c7fae7aa for pr-154205
[INFO] extracting crate mirror_sparse_matrix 0.1.17 into /workspace/builds/worker-1-tc2/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-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mirror_sparse_matrix 0.1.17 on toolchain 1463461488056994d1b84e8b752e7c11c7fae7aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "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" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 131 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74ba6da7a77541639f9d2944a2e440e341ee72d3c3530961bdad0204cf101956
[INFO] running `Command { std: "docker" "start" "-a" "74ba6da7a77541639f9d2944a2e440e341ee72d3c3530961bdad0204cf101956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74ba6da7a77541639f9d2944a2e440e341ee72d3c3530961bdad0204cf101956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74ba6da7a77541639f9d2944a2e440e341ee72d3c3530961bdad0204cf101956", kill_on_drop: false }`
[INFO] [stdout] 74ba6da7a77541639f9d2944a2e440e341ee72d3c3530961bdad0204cf101956
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1463461488056994d1b84e8b752e7c11c7fae7aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dee74781d13648fd3f644ce25db407c7ad6db9056b446d1fd4bb22da515cd225
[INFO] running `Command { std: "docker" "start" "-a" "dee74781d13648fd3f644ce25db407c7ad6db9056b446d1fd4bb22da515cd225", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]     Checking cfg-if v1.0.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling shlex v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling bitflags v2.11.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling getrandom v0.4.2
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling home v0.5.12
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cc v1.2.57
[INFO] [stderr]     Checking simd-adler32 v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.16.1
[INFO] [stderr]    Compiling bytes v1.11.1
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]     Checking adler2 v2.0.1
[INFO] [stderr]     Checking miniz_oxide v0.8.9
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling indexmap v2.13.0
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling fastrand v2.3.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking permutation v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking superslice v1.0.0
[INFO] [stderr]    Compiling multimap v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling parking_lot_core v0.8.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking vector_utils v0.1.5
[INFO] [stderr]     Checking debugid v0.7.3
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]    Compiling symbolic-demangle v8.8.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking rustc-demangle v0.1.27
[INFO] [stderr]     Checking gimli v0.32.3
[INFO] [stderr]     Checking memmap2 v0.5.10
[INFO] [stderr]     Checking symbolic-common v8.8.0
[INFO] [stderr]     Checking lock_api v0.4.14
[INFO] [stderr]     Checking flate2 v1.1.9
[INFO] [stderr]    Compiling lz4-sys v1.11.1+lz4-1.10.0
[INFO] [stderr]    Compiling findshlibs v0.10.2
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]     Checking string_utils v0.1.4
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling prost-build v0.9.0
[INFO] [stderr]     Checking nix v0.23.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking binary_vec_io v0.1.12
[INFO] [stderr]     Checking stats_utils v0.1.3
[INFO] [stderr]     Checking mirror_sparse_matrix v0.1.17 (/opt/rustwide/workdir)
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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 prost-derive v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]     Checking addr2line v0.25.1
[INFO] [stderr]    Compiling prost v0.9.0
[INFO] [stderr]    Compiling prost-types v0.9.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]     Checking backtrace v0.3.76
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]    Compiling pprof v0.6.2
[INFO] [stderr]     Checking lz4 v1.28.1
[INFO] [stderr]     Checking io_utils v0.3.2
[INFO] [stderr]     Checking tables v0.1.5
[INFO] [stderr]     Checking pretty_trace v0.5.23
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[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] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":2,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":1,"ph":1,"wa":0,"pa":0,"a":1,"pos":1,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":1,"a_opt":1,"sz_no_dedup":16,"sz_old":16,"sz_opt":16}
[INFO] [stderr] [FMTARGS] {"crate":"mirror_sparse_matrix","p":3,"ph":2,"wa":0,"pa":0,"a":2,"pos":2,"named":0,"cap":0,"ucap":0,"dup":0,"const":0,"constparam":0,"other_dup":0,"d2":0,"d3":0,"d4p":0,"deduped":0,"remaining":0,"a_old":2,"a_opt":2,"sz_no_dedup":32,"sz_old":32,"sz_opt":32}
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 42.68s
[INFO] running `Command { std: "docker" "inspect" "dee74781d13648fd3f644ce25db407c7ad6db9056b446d1fd4bb22da515cd225", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee74781d13648fd3f644ce25db407c7ad6db9056b446d1fd4bb22da515cd225", kill_on_drop: false }`
[INFO] [stdout] dee74781d13648fd3f644ce25db407c7ad6db9056b446d1fd4bb22da515cd225