[INFO] updating cached repository rolag/ruSAT
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rolag/ruSAT
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rolag/ruSAT" "work/ex/beta-1.38-1/sources/1.37.0/gh/rolag/ruSAT"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rolag/ruSAT'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rolag/ruSAT" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rolag/ruSAT"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rolag/ruSAT'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f450c9d7bffd15ead893c0688591dd24f41fb97
[INFO] sha for GitHub repo rolag/ruSAT: 5f450c9d7bffd15ead893c0688591dd24f41fb97
[INFO] validating manifest of rolag/ruSAT on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rolag/ruSAT on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rolag/ruSAT
[INFO] finished frobbing rolag/ruSAT
[INFO] frobbed toml for rolag/ruSAT written to work/ex/beta-1.38-1/sources/1.37.0/gh/rolag/ruSAT/Cargo.toml
[INFO] started frobbing rolag/ruSAT
[INFO] finished frobbing rolag/ruSAT
[INFO] frobbed toml for rolag/ruSAT written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rolag/ruSAT/Cargo.toml
[INFO] crate rolag/ruSAT already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rolag/ruSAT against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rolag/ruSAT:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d0b67758468dce80e8ab1bbbbbd720f245e3156d23809db6b4f1a07790a4850a
[INFO] running `"docker" "start" "-a" "d0b67758468dce80e8ab1bbbbbd720f245e3156d23809db6b4f1a07790a4850a"`
[INFO] [stderr]    Compiling rusat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.11s
[INFO] running `"docker" "inspect" "d0b67758468dce80e8ab1bbbbbd720f245e3156d23809db6b4f1a07790a4850a"`
[INFO] running `"docker" "rm" "-f" "d0b67758468dce80e8ab1bbbbbd720f245e3156d23809db6b4f1a07790a4850a"`
[INFO] [stdout] d0b67758468dce80e8ab1bbbbbd720f245e3156d23809db6b4f1a07790a4850a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rolag/ruSAT:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 806ff32d266749b2d9d1d76c72d0a2b737e14358ac16c8afe255897af13e6265
[INFO] running `"docker" "start" "-a" "806ff32d266749b2d9d1d76c72d0a2b737e14358ac16c8afe255897af13e6265"`
[INFO] [stderr]    Compiling rusat v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `is_tautology` found for type `cnf_system::CNFClause` in the current scope
[INFO] [stderr]   --> src/cnf_system.rs:66:20
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct CNFClause {
[INFO] [stderr]    | -------------------- method `is_tautology` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 66 |     assert!(clause.is_tautology());
[INFO] [stderr]    |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_tautology` found for type `cnf_system::CNFClause` in the current scope
[INFO] [stderr]    --> src/cnf_system.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 14  | pub struct CNFClause {
[INFO] [stderr]     | -------------------- method `is_tautology` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 102 |     assert!(!clause.is_tautology());
[INFO] [stderr]     |                     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_tautology` found for type `cnf_system::CNFClause` in the current scope
[INFO] [stderr]    --> src/cnf_system.rs:103:22
[INFO] [stderr]     |
[INFO] [stderr] 14  | pub struct CNFClause {
[INFO] [stderr]     | -------------------- method `is_tautology` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 103 |     assert!(!clause2.is_tautology());
[INFO] [stderr]     |                      ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_tautology` found for type `cnf_system::CNFClause` in the current scope
[INFO] [stderr]    --> src/cnf_system.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 14  | pub struct CNFClause {
[INFO] [stderr]     | -------------------- method `is_tautology` not found for this
[INFO] [stderr] ...
[INFO] [stderr] 110 |     assert!(clause.is_tautology());
[INFO] [stderr]     |                    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `rusat`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "806ff32d266749b2d9d1d76c72d0a2b737e14358ac16c8afe255897af13e6265"`
[INFO] running `"docker" "rm" "-f" "806ff32d266749b2d9d1d76c72d0a2b737e14358ac16c8afe255897af13e6265"`
[INFO] [stdout] 806ff32d266749b2d9d1d76c72d0a2b737e14358ac16c8afe255897af13e6265