[INFO] cloning repository https://github.com/rolag/ruSAT
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rolag/ruSAT" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolag%2FruSAT", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolag%2FruSAT'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5f450c9d7bffd15ead893c0688591dd24f41fb97
[INFO] checking rolag/ruSAT against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frolag%2FruSAT" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rolag/ruSAT on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rolag/ruSAT
[INFO] finished tweaking git repo https://github.com/rolag/ruSAT
[INFO] tweaked toml for git repo https://github.com/rolag/ruSAT written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rolag/ruSAT already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09591543d80b5c6981729ba54a08a02f3fc6fe352b822f77edfba8da3cf5906f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "09591543d80b5c6981729ba54a08a02f3fc6fe352b822f77edfba8da3cf5906f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09591543d80b5c6981729ba54a08a02f3fc6fe352b822f77edfba8da3cf5906f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09591543d80b5c6981729ba54a08a02f3fc6fe352b822f77edfba8da3cf5906f", kill_on_drop: false }`
[INFO] [stdout] 09591543d80b5c6981729ba54a08a02f3fc6fe352b822f77edfba8da3cf5906f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6d9f5d9b4f72da07f9f453ccbd992781a3e1125ff0f3cdb6438732edf2ffeda
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d6d9f5d9b4f72da07f9f453ccbd992781a3e1125ff0f3cdb6438732edf2ffeda", kill_on_drop: false }`
[INFO] [stderr]     Checking rusat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `is_tautology` found for struct `CNFClause` in the current scope
[INFO] [stdout]   --> src/cnf_system.rs:66:20
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct CNFClause {
[INFO] [stdout]    | -------------------- method `is_tautology` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 66 |     assert!(clause.is_tautology());
[INFO] [stdout]    |                    ^^^^^^^^^^^^ method not found in `CNFClause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_tautology` found for struct `CNFClause` in the current scope
[INFO] [stdout]    --> src/cnf_system.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct CNFClause {
[INFO] [stdout]     | -------------------- method `is_tautology` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 102 |     assert!(!clause.is_tautology());
[INFO] [stdout]     |                     ^^^^^^^^^^^^ method not found in `CNFClause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_tautology` found for struct `CNFClause` in the current scope
[INFO] [stdout]    --> src/cnf_system.rs:103:22
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct CNFClause {
[INFO] [stdout]     | -------------------- method `is_tautology` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 103 |     assert!(!clause2.is_tautology());
[INFO] [stdout]     |                      ^^^^^^^^^^^^ method not found in `CNFClause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_tautology` found for struct `CNFClause` in the current scope
[INFO] [stdout]    --> src/cnf_system.rs:110:20
[INFO] [stdout]     |
[INFO] [stdout] 14  | pub struct CNFClause {
[INFO] [stdout]     | -------------------- method `is_tautology` not found for this
[INFO] [stdout] ...
[INFO] [stdout] 110 |     assert!(clause.is_tautology());
[INFO] [stdout]     |                    ^^^^^^^^^^^^ method not found in `CNFClause`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rusat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "d6d9f5d9b4f72da07f9f453ccbd992781a3e1125ff0f3cdb6438732edf2ffeda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6d9f5d9b4f72da07f9f453ccbd992781a3e1125ff0f3cdb6438732edf2ffeda", kill_on_drop: false }`
[INFO] [stdout] d6d9f5d9b4f72da07f9f453ccbd992781a3e1125ff0f3cdb6438732edf2ffeda