[INFO] cloning repository https://github.com/Dacit/sequent_prover
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dacit/sequent_prover" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacit%2Fsequent_prover", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacit%2Fsequent_prover'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1425db8fd1cc9ca24b0dbbdfb6e32609c6a96226
[INFO] testing Dacit/sequent_prover against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDacit%2Fsequent_prover" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Dacit/sequent_prover on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Dacit/sequent_prover
[INFO] finished tweaking git repo https://github.com/Dacit/sequent_prover
[INFO] tweaked toml for git repo https://github.com/Dacit/sequent_prover written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Dacit/sequent_prover already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e8ba55ef6bb1c9d07df8d9b3f90b83245fb386e6029601428b8215560946ba1d
[INFO] running `Command { std: "docker" "start" "-a" "e8ba55ef6bb1c9d07df8d9b3f90b83245fb386e6029601428b8215560946ba1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8ba55ef6bb1c9d07df8d9b3f90b83245fb386e6029601428b8215560946ba1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ba55ef6bb1c9d07df8d9b3f90b83245fb386e6029601428b8215560946ba1d", kill_on_drop: false }`
[INFO] [stdout] e8ba55ef6bb1c9d07df8d9b3f90b83245fb386e6029601428b8215560946ba1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2adc3e68d4712dfcb4a4a1d3a110887f345aa4677f107eb9a5eaf1434d76030
[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" "a2adc3e68d4712dfcb4a4a1d3a110887f345aa4677f107eb9a5eaf1434d76030", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling terminal_size v0.1.7
[INFO] [stderr]    Compiling sequent_prover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn split_expr(x: &str, pos: usize, op: &Fn(Box<Formula>, Box<Formula>) -> Formula) -> Formula {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Formula>, Box<Formula>) -> Formula`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.77s
[INFO] running `Command { std: "docker" "inspect" "a2adc3e68d4712dfcb4a4a1d3a110887f345aa4677f107eb9a5eaf1434d76030", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2adc3e68d4712dfcb4a4a1d3a110887f345aa4677f107eb9a5eaf1434d76030", kill_on_drop: false }`
[INFO] [stdout] a2adc3e68d4712dfcb4a4a1d3a110887f345aa4677f107eb9a5eaf1434d76030
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad7af10635d945561f2b1a0152c9c7bf6f632c3fcf4664cc1243d88a48519dc4
[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" "ad7af10635d945561f2b1a0152c9c7bf6f632c3fcf4664cc1243d88a48519dc4", kill_on_drop: false }`
[INFO] [stderr]    Compiling sequent_prover v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/parser.rs:84:41
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn split_expr(x: &str, pos: usize, op: &Fn(Box<Formula>, Box<Formula>) -> Formula) -> Formula {
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Box<Formula>, Box<Formula>) -> Formula`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "ad7af10635d945561f2b1a0152c9c7bf6f632c3fcf4664cc1243d88a48519dc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad7af10635d945561f2b1a0152c9c7bf6f632c3fcf4664cc1243d88a48519dc4", kill_on_drop: false }`
[INFO] [stdout] ad7af10635d945561f2b1a0152c9c7bf6f632c3fcf4664cc1243d88a48519dc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 70f20193935c6ddf476acd87f6609bf1db2a9d0f68126a1bcf4147f97891d2f3
[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" "70f20193935c6ddf476acd87f6609bf1db2a9d0f68126a1bcf4147f97891d2f3", kill_on_drop: false }`
[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]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/sequent_prover-2b8e3bda389ebe97)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test parser::tests::test_complex_expr ... ok
[INFO] [stdout] test parser::tests::test_empty_sets ... ok
[INFO] [stdout] test prover::tests::test_axiom ... 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 prover::tests::test_empty_expr ... ok
[INFO] [stdout] test prover::tests::test_r_not ... ok
[INFO] [stdout] test prover::tests::test_l_and ... ok
[INFO] [stdout] test prover::tests::test_l_false ... ok
[INFO] [stdout] test prover::tests::test_complex_unprovable ... ok
[INFO] [stdout] test prover::tests::test_r_and ... ok
[INFO] [stdout] test prover::tests::test_r_impl ... ok
[INFO] [stdout] test prover::tests::test_r_or ... ok
[INFO] [stdout] test prover::tests::test_complex ... ok
[INFO] [stdout] test parser::tests::test_empty_str - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70f20193935c6ddf476acd87f6609bf1db2a9d0f68126a1bcf4147f97891d2f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f20193935c6ddf476acd87f6609bf1db2a9d0f68126a1bcf4147f97891d2f3", kill_on_drop: false }`
[INFO] [stdout] 70f20193935c6ddf476acd87f6609bf1db2a9d0f68126a1bcf4147f97891d2f3