[INFO] updating cached repository malbarbo/mstcc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/malbarbo/mstcc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/malbarbo/mstcc" "work/ex/beta-1.38-1/sources/1.37.0/gh/malbarbo/mstcc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/malbarbo/mstcc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/malbarbo/mstcc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malbarbo/mstcc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malbarbo/mstcc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b48336773edbf87006d19a226845ad21156b86fe
[INFO] sha for GitHub repo malbarbo/mstcc: b48336773edbf87006d19a226845ad21156b86fe
[INFO] validating manifest of malbarbo/mstcc 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 malbarbo/mstcc 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 malbarbo/mstcc
[INFO] finished frobbing malbarbo/mstcc
[INFO] frobbed toml for malbarbo/mstcc written to work/ex/beta-1.38-1/sources/1.37.0/gh/malbarbo/mstcc/Cargo.toml
[INFO] started frobbing malbarbo/mstcc
[INFO] finished frobbing malbarbo/mstcc
[INFO] frobbed toml for malbarbo/mstcc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/malbarbo/mstcc/Cargo.toml
[INFO] crate malbarbo/mstcc 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 malbarbo/mstcc 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/malbarbo/mstcc:/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] 02dad502c35ac2ce53f5e13041f05cfbf9872a6b212464e55a17e42c7bcac092
[INFO] running `"docker" "start" "-a" "02dad502c35ac2ce53f5e13041f05cfbf9872a6b212464e55a17e42c7bcac092"`
[INFO] [stderr]    Compiling fera-unionfind v0.1.0
[INFO] [stderr]    Compiling fera-fun v0.1.0
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling fera-optional v0.1.1
[INFO] [stderr]    Compiling env_logger v0.5.9
[INFO] [stderr]    Compiling fera-ext v0.1.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling fera-graph v0.1.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling fera v0.1.0
[INFO] [stderr]    Compiling mstcc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input.rs:13:68
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.91s
[INFO] running `"docker" "inspect" "02dad502c35ac2ce53f5e13041f05cfbf9872a6b212464e55a17e42c7bcac092"`
[INFO] running `"docker" "rm" "-f" "02dad502c35ac2ce53f5e13041f05cfbf9872a6b212464e55a17e42c7bcac092"`
[INFO] [stdout] 02dad502c35ac2ce53f5e13041f05cfbf9872a6b212464e55a17e42c7bcac092
[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/malbarbo/mstcc:/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] da400d2f9cc7943d29713f9d15199c379104fc090c5e4752e48cbdcc6b8c2e86
[INFO] running `"docker" "start" "-a" "da400d2f9cc7943d29713f9d15199c379104fc090c5e4752e48cbdcc6b8c2e86"`
[INFO] [stderr]    Compiling mstcc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/input.rs:13:68
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub fn read_sammer_urrutia(file: &str) -> Result<MstCcProblem, Box<Error>> {
[INFO] [stderr]    |                                                                    ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.01s
[INFO] running `"docker" "inspect" "da400d2f9cc7943d29713f9d15199c379104fc090c5e4752e48cbdcc6b8c2e86"`
[INFO] running `"docker" "rm" "-f" "da400d2f9cc7943d29713f9d15199c379104fc090c5e4752e48cbdcc6b8c2e86"`
[INFO] [stdout] da400d2f9cc7943d29713f9d15199c379104fc090c5e4752e48cbdcc6b8c2e86
[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/malbarbo/mstcc:/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"`
[INFO] [stdout] 4545ab68e88597e4d6bba16a64104e2b05700debee2eb93c1eb3458b0b82e81e
[INFO] running `"docker" "start" "-a" "4545ab68e88597e4d6bba16a64104e2b05700debee2eb93c1eb3458b0b82e81e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mstcc-9d629467fb7ebfdd
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mstcc-18f02fd8f2b2ded7
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/conflicts-181d68233d9afffa
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connectivity1-19d6eb4d91b4cf51
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test remove_edge ... ok
[INFO] [stdout] test add_edge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/connectivity2-0444315cc092f6e0
[INFO] [stdout] test test0 ... ok
[INFO] [stdout] test test1 ... ok
[INFO] [stdout] test test2 ... ok
[INFO] [stderr]    Doc-tests mstcc
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "4545ab68e88597e4d6bba16a64104e2b05700debee2eb93c1eb3458b0b82e81e"`
[INFO] running `"docker" "rm" "-f" "4545ab68e88597e4d6bba16a64104e2b05700debee2eb93c1eb3458b0b82e81e"`
[INFO] [stdout] 4545ab68e88597e4d6bba16a64104e2b05700debee2eb93c1eb3458b0b82e81e