[INFO] cloning repository https://github.com/aureliengamet/minigit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aureliengamet/minigit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faureliengamet%2Fminigit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faureliengamet%2Fminigit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e7c7550029c269be6541a955bf02048353b9204
[INFO] testing aureliengamet/minigit against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faureliengamet%2Fminigit" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aureliengamet/minigit on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aureliengamet/minigit
[INFO] finished tweaking git repo https://github.com/aureliengamet/minigit
[INFO] tweaked toml for git repo https://github.com/aureliengamet/minigit written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/aureliengamet/minigit already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded miniz_oxide v0.2.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded flate2 v1.0.7
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.1
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64c0ebff122094d5bc694c2a5350a6dfe01f7681f7fccf6c49b7f509552c8ff
[INFO] running `Command { std: "docker" "start" "-a" "a64c0ebff122094d5bc694c2a5350a6dfe01f7681f7fccf6c49b7f509552c8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64c0ebff122094d5bc694c2a5350a6dfe01f7681f7fccf6c49b7f509552c8ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64c0ebff122094d5bc694c2a5350a6dfe01f7681f7fccf6c49b7f509552c8ff", kill_on_drop: false }`
[INFO] [stdout] a64c0ebff122094d5bc694c2a5350a6dfe01f7681f7fccf6c49b7f509552c8ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f07e06e1e04a01ef74274339e8d9608ca7121b4fc48c4758869b690be764015c
[INFO] running `Command { std: "docker" "start" "-a" "f07e06e1e04a01ef74274339e8d9608ca7121b4fc48c4758869b690be764015c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling flate2 v1.0.7
[INFO] [stderr]    Compiling minigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     entries: Vec<Box<TreeOrEntry>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     entries: Vec<Box<dyn TreeOrEntry>>,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/workspace.rs:65:99
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stdout]    |                                                                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/workspace.rs:84:101
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:51:47
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn traverse_private(&mut self, test: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn traverse_private(&mut self, test: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn traverse(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn traverse(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/gitobject.rs:116:51
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn traverse_private(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn traverse_private(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/gitobject.rs:272:52
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn traverse_private(&mut self, _function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn traverse_private(&mut self, _function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_mode` is never used
[INFO] [stdout]    --> src/gitobject.rs:250:12
[INFO] [stdout]     |
[INFO] [stdout] 207 | impl Entry {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 250 |     pub fn get_mode(&self) -> u32 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.11s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "f07e06e1e04a01ef74274339e8d9608ca7121b4fc48c4758869b690be764015c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f07e06e1e04a01ef74274339e8d9608ca7121b4fc48c4758869b690be764015c", kill_on_drop: false }`
[INFO] [stdout] f07e06e1e04a01ef74274339e8d9608ca7121b4fc48c4758869b690be764015c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c17933b85b6c93bfe24ec38bf66343d624ff45ed5cb4ec30e395a806f5fbc5b5
[INFO] running `Command { std: "docker" "start" "-a" "c17933b85b6c93bfe24ec38bf66343d624ff45ed5cb4ec30e395a806f5fbc5b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling minigit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]    --> src/index.rs:256:48
[INFO] [stdout]     |
[INFO] [stdout] 256 |     fn prepare_test_context(paths: &[&str]) -> (Index) {
[INFO] [stdout]     |                                                ^     ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 256 -     fn prepare_test_context(paths: &[&str]) -> (Index) {
[INFO] [stdout] 256 +     fn prepare_test_context(paths: &[&str]) -> Index {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:55:22
[INFO] [stdout]    |
[INFO] [stdout] 55 |     entries: Vec<Box<TreeOrEntry>>,
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |     entries: Vec<Box<dyn TreeOrEntry>>,
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/workspace.rs:65:99
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stdout]    |                                                                                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/workspace.rs:84:101
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stdout]    |                                                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stdout]    |                                                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:51:47
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn traverse_private(&mut self, test: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn traverse_private(&mut self, test: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/gitobject.rs:80:47
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn traverse(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 80 |     pub fn traverse(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/gitobject.rs:116:51
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn traverse_private(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn traverse_private(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/gitobject.rs:272:52
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn traverse_private(&mut self, _function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 272 |     fn traverse_private(&mut self, _function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stdout]     |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "c17933b85b6c93bfe24ec38bf66343d624ff45ed5cb4ec30e395a806f5fbc5b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c17933b85b6c93bfe24ec38bf66343d624ff45ed5cb4ec30e395a806f5fbc5b5", kill_on_drop: false }`
[INFO] [stdout] c17933b85b6c93bfe24ec38bf66343d624ff45ed5cb4ec30e395a806f5fbc5b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f47a3b554dd8225385b0cdb4fb812bcb782c384e9d54b5f41bbf2c4087c56456
[INFO] running `Command { std: "docker" "start" "-a" "f47a3b554dd8225385b0cdb4fb812bcb782c384e9d54b5f41bbf2c4087c56456", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]    --> src/index.rs:256:48
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn prepare_test_context(paths: &[&str]) -> (Index) {
[INFO] [stderr]     |                                                ^     ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 256 -     fn prepare_test_context(paths: &[&str]) -> (Index) {
[INFO] [stderr] 256 +     fn prepare_test_context(paths: &[&str]) -> Index {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gitobject.rs:55:22
[INFO] [stderr]    |
[INFO] [stderr] 55 |     entries: Vec<Box<TreeOrEntry>>,
[INFO] [stderr]    |                      ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 |     entries: Vec<Box<dyn TreeOrEntry>>,
[INFO] [stderr]    |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/workspace.rs:65:99
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stderr]    |                                                                                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 65 |     fn list_dir_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stderr]    |                                                                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/workspace.rs:84:101
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<Error>> {
[INFO] [stderr]    |                                                                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 84 |     fn list_files_recurse(&self, path: &Path, mut result: Vec<PathBuf>) -> Result<Vec<PathBuf>, Box<dyn Error>> {
[INFO] [stderr]    |                                                                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gitobject.rs:51:47
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn traverse_private(&mut self, test: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn traverse_private(&mut self, test: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()>;
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/gitobject.rs:80:47
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn traverse(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 80 |     pub fn traverse(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]    |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gitobject.rs:116:51
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn traverse_private(&mut self, function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 116 |     fn traverse_private(&mut self, function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]     |                                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/gitobject.rs:272:52
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn traverse_private(&mut self, _function: &mut FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 272 |     fn traverse_private(&mut self, _function: &mut dyn FnMut(&mut Tree) -> MinigitResult<()>) -> MinigitResult<()> {
[INFO] [stderr]     |                                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: `minigit` (bin "minigit" test) generated 8 warnings (run `cargo fix --bin "minigit" --tests` to apply 8 suggestions)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/minigit-92aeac3c96bdb312)
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test command::status::tests::test_list_untracked_directory ... ok
[INFO] [stdout] test command::add::tests::test_add_one_file ... ok
[INFO] [stdout] test command::add::tests::test_add_multiple_inside_a_directory ... ok
[INFO] [stdout] test command::add::tests::test_add_directory ... ok
[INFO] [stdout] test command::add::tests::test_add_multiple_files ... ok
[INFO] [stdout] test command::add::tests::test_add_replace_directory_by_file ... ok
[INFO] [stdout] test command::add::tests::test_add_replace_complex_directory_by_file ... ok
[INFO] [stdout] test command::status::tests::test_do_not_list_untracked_directory ... ok
[INFO] [stdout] test command::add::tests::test_add_replace_file_by_directory ... ok
[INFO] [stdout] test index::tests::test_add_multiple_inside_a_directory ... ok
[INFO] [stdout] test command::add::tests::test_add_one_executable_file ... ok
[INFO] [stdout] test command::status::tests::test_list_untracked_files_in_name_order ... ok
[INFO] [stdout] test index::tests::test_add_replace_file_by_directory ... ok
[INFO] [stdout] test index::tests::test_add_replace_complex_directory_by_file ... ok
[INFO] [stdout] test index::tests::test_add_one_entry ... ok
[INFO] [stdout] test command::status::tests::test_list_untracked_directory_that_indirectly_contains_file ... ok
[INFO] [stdout] test command::status::tests::test_list_untracked_files_inside_tracked_directories ... ok
[INFO] [stdout] test index::tests::test_add_replace_directory_by_file ... ok
[INFO] [stderr] error: test failed, to rerun pass `--bin minigit`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/minigit-92aeac3c96bdb312` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "f47a3b554dd8225385b0cdb4fb812bcb782c384e9d54b5f41bbf2c4087c56456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f47a3b554dd8225385b0cdb4fb812bcb782c384e9d54b5f41bbf2c4087c56456", kill_on_drop: false }`
[INFO] [stdout] f47a3b554dd8225385b0cdb4fb812bcb782c384e9d54b5f41bbf2c4087c56456
