[INFO] fetching crate splr 0.14.0...
[INFO] building splr-0.14.0 against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] extracting crate splr 0.14.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate splr 0.14.0 on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splr 0.14.0
[INFO] finished tweaking crates.io crate splr 0.14.0
[INFO] tweaked toml for crates.io crate splr 0.14.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate splr 0.14.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3bf935b56f63a87017e38e182e1a43b8232eb658c11fb4eab047d562027292e3
[INFO] running `Command { std: "docker" "start" "-a" "3bf935b56f63a87017e38e182e1a43b8232eb658c11fb4eab047d562027292e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bf935b56f63a87017e38e182e1a43b8232eb658c11fb4eab047d562027292e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf935b56f63a87017e38e182e1a43b8232eb658c11fb4eab047d562027292e3", kill_on_drop: false }`
[INFO] [stdout] 3bf935b56f63a87017e38e182e1a43b8232eb658c11fb4eab047d562027292e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e0b1e8d9c3230dc62b11374a170889203cb606cbfee57239e336e47b2ef74bb
[INFO] running `Command { std: "docker" "start" "-a" "5e0b1e8d9c3230dc62b11374a170889203cb606cbfee57239e336e47b2ef74bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling splr v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `activity_decay_default`
[INFO] [stdout]    --> src/assign/mod.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 190 |     activity_decay_default: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `AssignStack` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/assign/mod.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `activity_decay_step`
[INFO] [stdout]    --> src/assign/mod.rs:194:5
[INFO] [stdout]     |
[INFO] [stdout] 194 |     activity_decay_step: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `AssignStack` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/assign/mod.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `during_vivification`
[INFO] [stdout]    --> src/assign/mod.rs:199:5
[INFO] [stdout]     |
[INFO] [stdout] 199 |     during_vivification: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `AssignStack` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/assign/mod.rs:119:10
[INFO] [stdout]     |
[INFO] [stdout] 119 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `num_lbd_update`
[INFO] [stdout]    --> src/cdb/mod.rs:263:5
[INFO] [stdout]     |
[INFO] [stdout] 263 |     num_lbd_update: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ClauseDB` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/cdb/mod.rs:219:10
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `extra_inc`
[INFO] [stdout]    --> src/cdb/mod.rs:271:5
[INFO] [stdout]     |
[INFO] [stdout] 271 |     extra_inc: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ClauseDB` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/cdb/mod.rs:219:10
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `reducible`
[INFO] [stdout]    --> src/cdb/mod.rs:275:5
[INFO] [stdout]     |
[INFO] [stdout] 275 |     reducible: bool,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ClauseDB` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/cdb/mod.rs:219:10
[INFO] [stdout]     |
[INFO] [stdout] 219 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `restart_inc`
[INFO] [stdout]    --> src/solver/restart.rs:265:5
[INFO] [stdout]     |
[INFO] [stdout] 265 |     restart_inc: f64,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `ProgressLuby` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/solver/restart.rs:259:10
[INFO] [stdout]     |
[INFO] [stdout] 259 | #[derive(Clone, Debug)]
[INFO] [stdout]     |          ^^^^^  ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.68s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "5e0b1e8d9c3230dc62b11374a170889203cb606cbfee57239e336e47b2ef74bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0b1e8d9c3230dc62b11374a170889203cb606cbfee57239e336e47b2ef74bb", kill_on_drop: false }`
[INFO] [stdout] 5e0b1e8d9c3230dc62b11374a170889203cb606cbfee57239e336e47b2ef74bb