[INFO] updating cached repository https://github.com/ipost/flow_rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85497e4e5cad7eeaf2544460152eddb9478f60ef
[INFO] testing ipost/flow_rs against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fipost%2Fflow_rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ipost/flow_rs on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ipost/flow_rs
[INFO] finished tweaking git repo https://github.com/ipost/flow_rs
[INFO] tweaked toml for git repo https://github.com/ipost/flow_rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/ipost/flow_rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4a1e59415f756deaefd80bcd874ebac84d15cc8945fa6783cf6568dd0dfcc52e
[INFO] running `"docker" "start" "-a" "4a1e59415f756deaefd80bcd874ebac84d15cc8945fa6783cf6568dd0dfcc52e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling pest v2.1.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling pest_meta v2.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling flowrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.90s
[INFO] running `"docker" "inspect" "4a1e59415f756deaefd80bcd874ebac84d15cc8945fa6783cf6568dd0dfcc52e"`
[INFO] running `"docker" "rm" "-f" "4a1e59415f756deaefd80bcd874ebac84d15cc8945fa6783cf6568dd0dfcc52e"`
[INFO] [stdout] 4a1e59415f756deaefd80bcd874ebac84d15cc8945fa6783cf6568dd0dfcc52e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5fa86715dcda0978e9bb6355cb523a9295812dfe94ecfa2e6c76a8ffd3f9b5c
[INFO] running `"docker" "start" "-a" "f5fa86715dcda0978e9bb6355cb523a9295812dfe94ecfa2e6c76a8ffd3f9b5c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling predicates v1.0.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling assert_cmd v0.11.1
[INFO] [stderr]    Compiling flowrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 35.98s
[INFO] running `"docker" "inspect" "f5fa86715dcda0978e9bb6355cb523a9295812dfe94ecfa2e6c76a8ffd3f9b5c"`
[INFO] running `"docker" "rm" "-f" "f5fa86715dcda0978e9bb6355cb523a9295812dfe94ecfa2e6c76a8ffd3f9b5c"`
[INFO] [stdout] f5fa86715dcda0978e9bb6355cb523a9295812dfe94ecfa2e6c76a8ffd3f9b5c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 51a0214115100b4d94910ee65912aa9af04f2193d5f1891d9e9a4f2375623181
[INFO] running `"docker" "start" "-a" "51a0214115100b4d94910ee65912aa9af04f2193d5f1891d9e9a4f2375623181"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:87:66
[INFO] [stderr]    |
[INFO] [stderr] 87 | fn dotify_all(mut pairs: Pairs<Rule>, mut id_generator: &mut Box<FnMut() -> String>) -> String {
[INFO] [stderr]    |                                                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:102:28
[INFO] [stderr]     |
[INFO] [stderr] 102 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:127:28
[INFO] [stderr]     |
[INFO] [stderr] 127 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:168:28
[INFO] [stderr]     |
[INFO] [stderr] 168 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:209:28
[INFO] [stderr]     |
[INFO] [stderr] 209 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:237:28
[INFO] [stderr]     |
[INFO] [stderr] 237 |     id_generator: &mut Box<FnMut() -> String>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:256:31
[INFO] [stderr]     |
[INFO] [stderr] 256 | fn make_id_generator() -> Box<FnMut() -> String> {
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut() -> String`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:288:57
[INFO] [stderr]     |
[INFO] [stderr] 288 | fn get_output_handle(file_path: Option<PathBuf>) -> Box<Write> {
[INFO] [stderr]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/flowrs-005ce1dbb5fdaf7c
[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/rustwide/target/debug/deps/test-34c9370faf3609f6
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test reads_from_file ... ok
[INFO] [stdout] test reads_from_stdin ... ok
[INFO] [stdout] test writes_to_file ... ok
[INFO] [stdout] test writes_to_stdout ... ok
[INFO] [stdout] test prints_ast ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "51a0214115100b4d94910ee65912aa9af04f2193d5f1891d9e9a4f2375623181"`
[INFO] running `"docker" "rm" "-f" "51a0214115100b4d94910ee65912aa9af04f2193d5f1891d9e9a4f2375623181"`
[INFO] [stdout] 51a0214115100b4d94910ee65912aa9af04f2193d5f1891d9e9a4f2375623181