[INFO] updating cached repository Dacit/sequent_prover
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Dacit/sequent_prover
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Dacit/sequent_prover" "work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Dacit/sequent_prover" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dacit/sequent_prover"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dacit/sequent_prover'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1425db8fd1cc9ca24b0dbbdfb6e32609c6a96226
[INFO] sha for GitHub repo Dacit/sequent_prover: 1425db8fd1cc9ca24b0dbbdfb6e32609c6a96226
[INFO] validating manifest of Dacit/sequent_prover 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 Dacit/sequent_prover 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 Dacit/sequent_prover
[INFO] finished frobbing Dacit/sequent_prover
[INFO] frobbed toml for Dacit/sequent_prover written to work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover/Cargo.toml
[INFO] started frobbing Dacit/sequent_prover
[INFO] finished frobbing Dacit/sequent_prover
[INFO] frobbed toml for Dacit/sequent_prover written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Dacit/sequent_prover/Cargo.toml
[INFO] crate Dacit/sequent_prover 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 Dacit/sequent_prover 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover:/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] 3621f015a2ce79735d474a7e1984de157e69b5b601de5ee5f63cabfbd773d568
[INFO] running `"docker" "start" "-a" "3621f015a2ce79735d474a7e1984de157e69b5b601de5ee5f63cabfbd773d568"`
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling terminal_size v0.1.7
[INFO] [stderr]    Compiling sequent_prover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:41
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn split_expr(x: &str, pos: usize, op: &Fn(Box<Formula>, Box<Formula>) -> Formula) -> Formula {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Formula>, Box<Formula>) -> Formula`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "3621f015a2ce79735d474a7e1984de157e69b5b601de5ee5f63cabfbd773d568"`
[INFO] running `"docker" "rm" "-f" "3621f015a2ce79735d474a7e1984de157e69b5b601de5ee5f63cabfbd773d568"`
[INFO] [stdout] 3621f015a2ce79735d474a7e1984de157e69b5b601de5ee5f63cabfbd773d568
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover:/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] 4285c90117fc85607cf2d8310d339ba6f6481cf068203beefd3d02abb93a9d30
[INFO] running `"docker" "start" "-a" "4285c90117fc85607cf2d8310d339ba6f6481cf068203beefd3d02abb93a9d30"`
[INFO] [stderr]    Compiling sequent_prover v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/parser.rs:84:41
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn split_expr(x: &str, pos: usize, op: &Fn(Box<Formula>, Box<Formula>) -> Formula) -> Formula {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Formula>, Box<Formula>) -> Formula`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `"docker" "inspect" "4285c90117fc85607cf2d8310d339ba6f6481cf068203beefd3d02abb93a9d30"`
[INFO] running `"docker" "rm" "-f" "4285c90117fc85607cf2d8310d339ba6f6481cf068203beefd3d02abb93a9d30"`
[INFO] [stdout] 4285c90117fc85607cf2d8310d339ba6f6481cf068203beefd3d02abb93a9d30
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Dacit/sequent_prover:/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] 56f0e1b09be0944b44345d69afdf27b52f69c18219ba4435d8ff1ec9aae8f1fb
[INFO] running `"docker" "start" "-a" "56f0e1b09be0944b44345d69afdf27b52f69c18219ba4435d8ff1ec9aae8f1fb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sequent_prover-0898e9912363adb4
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test parser::tests::test_empty_sets ... ok
[INFO] [stdout] test parser::tests::test_complex_expr ... ok
[INFO] [stdout] test prover::tests::test_complex ... ok
[INFO] [stdout] test prover::tests::test_axiom ... ok
[INFO] [stdout] test prover::tests::test_l_false ... ok
[INFO] [stdout] test prover::tests::test_l_and ... ok
[INFO] [stdout] test prover::tests::test_empty_expr ... ok
[INFO] [stdout] test prover::tests::test_complex_unprovable ... ok
[INFO] [stdout] test prover::tests::test_r_or ... ok
[INFO] [stdout] test prover::tests::test_r_impl ... ok
[INFO] [stdout] test prover::tests::test_r_and ... ok
[INFO] [stdout] test prover::tests::test_r_not ... ok
[INFO] [stdout] test prover::tests::test_l_not ... ok
[INFO] [stdout] test prover::tests::test_l_impl ... ok
[INFO] [stdout] test prover::tests::test_l_or ... ok
[INFO] [stdout] test parser::tests::test_empty_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "56f0e1b09be0944b44345d69afdf27b52f69c18219ba4435d8ff1ec9aae8f1fb"`
[INFO] running `"docker" "rm" "-f" "56f0e1b09be0944b44345d69afdf27b52f69c18219ba4435d8ff1ec9aae8f1fb"`
[INFO] [stdout] 56f0e1b09be0944b44345d69afdf27b52f69c18219ba4435d8ff1ec9aae8f1fb