[INFO] cloning repository https://github.com/ferryale/snowhead
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ferryale/snowhead" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 68c6535dc59426f6adeeafdef477330a8760351d
[INFO] checking ferryale/snowhead against try#2b39fe756f52bc2825bf5b2bfc385cab922dae10 for pr-143011
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fferryale%2Fsnowhead" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ferryale/snowhead
[INFO] finished tweaking git repo https://github.com/ferryale/snowhead
[INFO] tweaked toml for git repo https://github.com/ferryale/snowhead written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ferryale/snowhead on toolchain 2b39fe756f52bc2825bf5b2bfc385cab922dae10
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ferryale/snowhead 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" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ceabc24de757e4280502f5bd6c374220212c49d05055057bab829d40336e397
[INFO] running `Command { std: "docker" "start" "-a" "1ceabc24de757e4280502f5bd6c374220212c49d05055057bab829d40336e397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ceabc24de757e4280502f5bd6c374220212c49d05055057bab829d40336e397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ceabc24de757e4280502f5bd6c374220212c49d05055057bab829d40336e397", kill_on_drop: false }`
[INFO] [stdout] 1ceabc24de757e4280502f5bd6c374220212c49d05055057bab829d40336e397
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2b39fe756f52bc2825bf5b2bfc385cab922dae10" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7402ed64203f11d1601f1e85cb49093ca271b2c300cf9ae78f9d265f43840a4
[INFO] running `Command { std: "docker" "start" "-a" "c7402ed64203f11d1601f1e85cb49093ca271b2c300cf9ae78f9d265f43840a4", kill_on_drop: false }`
[INFO] [stderr]     Checking snowhead v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stdout]  --> src/search.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stdout]   |                           ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stdout]  --> src/uci.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::r#move::Move`
[INFO] [stdout]  --> src/tune.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/tune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BLACK` and `WHITE`
[INFO] [stdout]  --> src/search.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::piece::{WHITE, BLACK, PIECE_NB, Color};
[INFO] [stdout]   |                           ^^^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TTFlag` and `TranspositionTable`
[INFO] [stdout]  --> src/uci.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::tt::{TranspositionTable, TTFlag};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::types::r#move::Move`
[INFO] [stdout]  --> src/tune.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::types::r#move::Move;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::position::Position`
[INFO] [stdout]  --> src/tune.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::position::Position;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/search.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut ret = String::new();
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nps` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:326:17
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut nps;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_nps` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nps` is never read
[INFO] [stdout]    --> src/search.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `red` is never read
[INFO] [stdout]    --> src/search.rs:434:13
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut red = 0;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `ret` is never read
[INFO] [stdout]    --> src/search.rs:209:17
[INFO] [stdout]     |
[INFO] [stdout] 209 |         let mut ret = String::new();
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fen` is assigned to, but never used
[INFO] [stdout]   --> src/tune.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let fen: &str;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fen` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         fen = START_FEN;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fen = (&args[3..params]).trim();
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `nps` is assigned to, but never used
[INFO] [stdout]    --> src/search.rs:326:17
[INFO] [stdout]     |
[INFO] [stdout] 326 |         let mut nps;
[INFO] [stdout]     |                 ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_nps` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `nps` is never read
[INFO] [stdout]    --> src/search.rs:355:13
[INFO] [stdout]     |
[INFO] [stdout] 355 |             nps = std::cmp::max(self.nps(), 1_000_000);
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `red` is never read
[INFO] [stdout]    --> src/search.rs:434:13
[INFO] [stdout]     |
[INFO] [stdout] 434 |     let mut red = 0;
[INFO] [stdout]     |             ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_root_moves` is never used
[INFO] [stdout]    --> src/search.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Thread {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn print_root_moves(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key16` is never read
[INFO] [stdout]   --> src/tt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TTEntry{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     key16: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `fen` is assigned to, but never used
[INFO] [stdout]   --> src/tune.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let fen: &str;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_fen` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:60:9
[INFO] [stdout]    |
[INFO] [stdout] 60 |         fen = START_FEN;
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `fen` is never read
[INFO] [stdout]   --> src/tune.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |         fen = (&args[3..params]).trim();
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_root_moves` is never used
[INFO] [stdout]    --> src/search.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Thread {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 300 |     fn print_root_moves(&mut self) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `key16` is never read
[INFO] [stdout]   --> src/tt.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct TTEntry{
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 21 |     key16: u16,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TTEntry` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/snowhead-95374b38998f109a.d
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to write `/opt/rustwide/target/debug/.fingerprint/snowhead-95374b38998f109a/dep-lib-snowhead`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "c7402ed64203f11d1601f1e85cb49093ca271b2c300cf9ae78f9d265f43840a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7402ed64203f11d1601f1e85cb49093ca271b2c300cf9ae78f9d265f43840a4", kill_on_drop: false }`
[INFO] [stdout] c7402ed64203f11d1601f1e85cb49093ca271b2c300cf9ae78f9d265f43840a4
