[INFO] cloning repository https://github.com/tuzz/k-flip-sat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tuzz/k-flip-sat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c94f0161308e958c5ace055d0e7fdf6f2e6ae7b3
[INFO] testing tuzz/k-flip-sat against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftuzz%2Fk-flip-sat" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
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[INFO] validating manifest of git repo https://github.com/tuzz/k-flip-sat on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tuzz/k-flip-sat
[INFO] finished tweaking git repo https://github.com/tuzz/k-flip-sat
[INFO] tweaked toml for git repo https://github.com/tuzz/k-flip-sat written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/tuzz/k-flip-sat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 494dd1af65637413b2b5b9829af995714413d5580ef3b8a624a2dcf8e9d39848
[INFO] running `Command { std: "docker" "start" "-a" "494dd1af65637413b2b5b9829af995714413d5580ef3b8a624a2dcf8e9d39848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "494dd1af65637413b2b5b9829af995714413d5580ef3b8a624a2dcf8e9d39848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "494dd1af65637413b2b5b9829af995714413d5580ef3b8a624a2dcf8e9d39848", kill_on_drop: false }`
[INFO] [stdout] 494dd1af65637413b2b5b9829af995714413d5580ef3b8a624a2dcf8e9d39848
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7e0ae96287e4c4e3dfb9b8e8fd83f6bca2f00628e851e2c125a66620621072e
[INFO] running `Command { std: "docker" "start" "-a" "c7e0ae96287e4c4e3dfb9b8e8fd83f6bca2f00628e851e2c125a66620621072e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling bitflags v0.8.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling walkdir v0.1.8
[INFO] [stderr]    Compiling dimacs v0.2.0
[INFO] [stderr]    Compiling copy_dir v0.1.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling lzma-sys v0.1.16
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling flate2 v1.0.17
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ipasir-sys v0.3.0
[INFO] [stderr]    Compiling k-flip-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `true_literal`
[INFO] [stdout]   --> src/solver.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub fn true_literal(&self) -> i32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "c7e0ae96287e4c4e3dfb9b8e8fd83f6bca2f00628e851e2c125a66620621072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7e0ae96287e4c4e3dfb9b8e8fd83f6bca2f00628e851e2c125a66620621072e", kill_on_drop: false }`
[INFO] [stdout] c7e0ae96287e4c4e3dfb9b8e8fd83f6bca2f00628e851e2c125a66620621072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2ba8e8ffb5ba230844f3829471128edd8cc00d5f3446101603ff72c0d1a522d
[INFO] running `Command { std: "docker" "start" "-a" "c2ba8e8ffb5ba230844f3829471128edd8cc00d5f3446101603ff72c0d1a522d", kill_on_drop: false }`
[INFO] [stderr]    Compiling k-flip-sat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c2ba8e8ffb5ba230844f3829471128edd8cc00d5f3446101603ff72c0d1a522d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ba8e8ffb5ba230844f3829471128edd8cc00d5f3446101603ff72c0d1a522d", kill_on_drop: false }`
[INFO] [stdout] c2ba8e8ffb5ba230844f3829471128edd8cc00d5f3446101603ff72c0d1a522d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] efbcfcd68cd5e1eb1ed1bb8d6446d7380e6d27b6d63717c92d8c72df41e065c8
[INFO] running `Command { std: "docker" "start" "-a" "efbcfcd68cd5e1eb1ed1bb8d6446d7380e6d27b6d63717c92d8c72df41e065c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "efbcfcd68cd5e1eb1ed1bb8d6446d7380e6d27b6d63717c92d8c72df41e065c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbcfcd68cd5e1eb1ed1bb8d6446d7380e6d27b6d63717c92d8c72df41e065c8", kill_on_drop: false }`
[INFO] [stdout] efbcfcd68cd5e1eb1ed1bb8d6446d7380e6d27b6d63717c92d8c72df41e065c8