[INFO] fetching crate symbolica 1.0.1...
[INFO] checking symbolica-1.0.1 against try#3a4cb0edb4040379c037e06efeb5409e44be7b77 for pr-146377
[INFO] extracting crate symbolica 1.0.1 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate symbolica 1.0.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate symbolica 1.0.1
[INFO] tweaked toml for crates.io crate symbolica 1.0.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symbolica 1.0.1 on toolchain 3a4cb0edb4040379c037e06efeb5409e44be7b77
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symbolica 1.0.1 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" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d3ddd2d1b27c503acd66079cab7f38611eed7d633f696f376bc62f4edf5c87a
[INFO] running `Command { std: "docker" "start" "-a" "7d3ddd2d1b27c503acd66079cab7f38611eed7d633f696f376bc62f4edf5c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d3ddd2d1b27c503acd66079cab7f38611eed7d633f696f376bc62f4edf5c87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3ddd2d1b27c503acd66079cab7f38611eed7d633f696f376bc62f4edf5c87a", kill_on_drop: false }`
[INFO] [stdout] 7d3ddd2d1b27c503acd66079cab7f38611eed7d633f696f376bc62f4edf5c87a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4cb0edb4040379c037e06efeb5409e44be7b77" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8edf50b6fa47cdb8f533d19c0ece2512333059b0c0c5fac51b5dac07588fa357
[INFO] running `Command { std: "docker" "start" "-a" "8edf50b6fa47cdb8f533d19c0ece2512333059b0c0c5fac51b5dac07588fa357", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.7
[INFO] [stderr]    Compiling rug v1.28.0
[INFO] [stderr]    Compiling cc v1.2.34
[INFO] [stderr]     Checking safe_arch v0.9.2
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking regex-syntax v0.8.6
[INFO] [stderr]    Compiling smartstring v1.0.1
[INFO] [stderr]    Compiling symbolica v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking libloading v0.9.0
[INFO] [stderr]     Checking append-only-vec v0.1.7
[INFO] [stderr]     Checking tinyjson v2.5.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_xoshiro v0.7.0
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]     Checking wide v0.8.1
[INFO] [stderr]     Checking regex-automata v0.4.10
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.44
[INFO] [stderr]     Checking regex v1.11.2
[INFO] [stderr]     Checking mimalloc v0.1.48
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking numerica v1.0.3
[INFO] [stderr]     Checking graphica v1.0.2
[INFO] [stdout] warning: unused import: `function`
[INFO] [stdout]     --> src/atom.rs:2769:9
[INFO] [stdout]      |
[INFO] [stdout] 2769 |         function,
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]     --> src/poly/factor.rs:2736:13
[INFO] [stdout]      |
[INFO] [stdout] 2736 |             i += 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] [stdout] warning: value assigned to `i` is never read
[INFO] [stdout]     --> src/poly/factor.rs:2736:13
[INFO] [stdout]      |
[INFO] [stdout] 2736 |             i += 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] [stdout] warning: value assigned to `pc` is never read
[INFO] [stdout]    --> src/poly/groebner.rs:753:21
[INFO] [stdout]     |
[INFO] [stdout] 753 |                     pc += 1;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `pc` is never read
[INFO] [stdout]    --> src/poly/groebner.rs:753:21
[INFO] [stdout]     |
[INFO] [stdout] 753 |                     pc += 1;
[INFO] [stdout]     |                     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5m 43s
[INFO] running `Command { std: "docker" "inspect" "8edf50b6fa47cdb8f533d19c0ece2512333059b0c0c5fac51b5dac07588fa357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edf50b6fa47cdb8f533d19c0ece2512333059b0c0c5fac51b5dac07588fa357", kill_on_drop: false }`
[INFO] [stdout] 8edf50b6fa47cdb8f533d19c0ece2512333059b0c0c5fac51b5dac07588fa357