[INFO] cloning repository https://github.com/dijkstracula/sedikle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dijkstracula/sedikle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdijkstracula%2Fsedikle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdijkstracula%2Fsedikle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 042c3622096c9a3616811ba3f5d11feb3a9a7350
[INFO] checking dijkstracula/sedikle against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdijkstracula%2Fsedikle" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dijkstracula/sedikle on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dijkstracula/sedikle
[INFO] finished tweaking git repo https://github.com/dijkstracula/sedikle
[INFO] tweaked toml for git repo https://github.com/dijkstracula/sedikle written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dijkstracula/sedikle 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" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking dijkstracula/sedikle against try#80d5fe37e16a0befb4128414cb6a11d544788c0a for pr-121557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdijkstracula%2Fsedikle" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dijkstracula/sedikle on toolchain 80d5fe37e16a0befb4128414cb6a11d544788c0a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dijkstracula/sedikle
[INFO] finished tweaking git repo https://github.com/dijkstracula/sedikle
[INFO] tweaked toml for git repo https://github.com/dijkstracula/sedikle written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dijkstracula/sedikle 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" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17b1b2a11090c7313be4bc610b40ee64db9e7aa7db42a473efb1f57a7fb1fc2a
[INFO] running `Command { std: "docker" "start" "-a" "17b1b2a11090c7313be4bc610b40ee64db9e7aa7db42a473efb1f57a7fb1fc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17b1b2a11090c7313be4bc610b40ee64db9e7aa7db42a473efb1f57a7fb1fc2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17b1b2a11090c7313be4bc610b40ee64db9e7aa7db42a473efb1f57a7fb1fc2a", kill_on_drop: false }`
[INFO] [stdout] 17b1b2a11090c7313be4bc610b40ee64db9e7aa7db42a473efb1f57a7fb1fc2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+80d5fe37e16a0befb4128414cb6a11d544788c0a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 280d37fa36f99cf65cec909a8849ba9855cdd98301e85f4d92cdd02fadfd1d6b
[INFO] running `Command { std: "docker" "start" "-a" "280d37fa36f99cf65cec909a8849ba9855cdd98301e85f4d92cdd02fadfd1d6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking sidekle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `expected_clauses` is never read
[INFO] [stdout]   --> src/dimacs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct ParserState {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     expected_clauses: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Conjunction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 72 |     fn new(disjunctions: Vec<Clause>) -> Conjunction {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stdout] warning: the item `Clause` is imported redundantly
[INFO] [stdout]    --> src/dimacs.rs:186:24
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use crate::types::{Clause, Literal};
[INFO] [stdout]     |                        ^^^^^^
[INFO] [stdout] 187 |
[INFO] [stdout] 188 |     use super::*;
[INFO] [stdout]     |         -------- the item `Clause` is already imported here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Literal` is imported redundantly
[INFO] [stdout]    --> src/dimacs.rs:186:32
[INFO] [stdout]     |
[INFO] [stdout] 186 |     use crate::types::{Clause, Literal};
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout] 187 |
[INFO] [stdout] 188 |     use super::*;
[INFO] [stdout]     |         -------- the item `Literal` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Model`
[INFO] [stdout]   --> src/solvers/naive.rs:54:63
[INFO] [stdout]    |
[INFO] [stdout] 54 |     use crate::{types::{Conjunction, Clause, Literal, Result, Model}, solvers::Solver};
[INFO] [stdout]    |                                                               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `expected_clauses` is never read
[INFO] [stdout]   --> src/dimacs.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | struct ParserState {
[INFO] [stdout]    |        ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 47 |     expected_clauses: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParserState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/types.rs:72:8
[INFO] [stdout]    |
[INFO] [stdout] 71 | impl Conjunction {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 72 |     fn new(disjunctions: Vec<Clause>) -> Conjunction {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "280d37fa36f99cf65cec909a8849ba9855cdd98301e85f4d92cdd02fadfd1d6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "280d37fa36f99cf65cec909a8849ba9855cdd98301e85f4d92cdd02fadfd1d6b", kill_on_drop: false }`
[INFO] [stdout] 280d37fa36f99cf65cec909a8849ba9855cdd98301e85f4d92cdd02fadfd1d6b