[INFO] cloning repository https://github.com/hamadatakaki/giraffe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hamadatakaki/giraffe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e11b6484ebbf30f0be8691543ffb3f28ba6df1d
[INFO] building hamadatakaki/giraffe against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhamadatakaki%2Fgiraffe" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hamadatakaki/giraffe on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hamadatakaki/giraffe
[INFO] finished tweaking git repo https://github.com/hamadatakaki/giraffe
[INFO] tweaked toml for git repo https://github.com/hamadatakaki/giraffe written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/hamadatakaki/giraffe 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libflate v0.1.25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f5d6e9fa50f45872f983fa3e9d84cc3f8111ea9d1152d2650ea5ffd237ce5e3e
[INFO] running `Command { std: "docker" "start" "-a" "f5d6e9fa50f45872f983fa3e9d84cc3f8111ea9d1152d2650ea5ffd237ce5e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5d6e9fa50f45872f983fa3e9d84cc3f8111ea9d1152d2650ea5ffd237ce5e3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5d6e9fa50f45872f983fa3e9d84cc3f8111ea9d1152d2650ea5ffd237ce5e3e", kill_on_drop: false }`
[INFO] [stdout] f5d6e9fa50f45872f983fa3e9d84cc3f8111ea9d1152d2650ea5ffd237ce5e3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e228f5d514a01c6407de12a499be3675461b50c2cf92cae59a29d23c939c14b4
[INFO] running `Command { std: "docker" "start" "-a" "e228f5d514a01c6407de12a499be3675461b50c2cf92cae59a29d23c939c14b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling libflate v0.1.25
[INFO] [stderr]    Compiling giraffe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/git_command.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<std::error::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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<dyn std::error::Error>> { 
[INFO] [stdout]   |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:15:55
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:27:53
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/compressed.rs:18:66
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:27:66
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:6:57
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<std::error::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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "e228f5d514a01c6407de12a499be3675461b50c2cf92cae59a29d23c939c14b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e228f5d514a01c6407de12a499be3675461b50c2cf92cae59a29d23c939c14b4", kill_on_drop: false }`
[INFO] [stdout] e228f5d514a01c6407de12a499be3675461b50c2cf92cae59a29d23c939c14b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=forbid -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7cd9dec378b0da41b57fadc92ab86c7aabff9978853de6a030358c0cafdd8cf
[INFO] running `Command { std: "docker" "start" "-a" "c7cd9dec378b0da41b57fadc92ab86c7aabff9978853de6a030358c0cafdd8cf", kill_on_drop: false }`
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/git_command.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<std::error::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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<dyn std::error::Error>> { 
[INFO] [stdout]   |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:15:55
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:27:53
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/compressed.rs:18:66
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:27:66
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:6:57
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling giraffe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/main.rs:4:29
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<std::error::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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn main() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]   |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/git_command.rs:9:47
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<std::error::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]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn cat_file(path: &str) -> Result<(), Box<dyn std::error::Error>> { 
[INFO] [stdout]   |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:15:55
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn cat_file_verbose(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:21:47
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn ls_files(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/git_command.rs:27:53
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn ls_files_stage(path: &str) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/compressed.rs:18:66
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:27:66
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn make_object_from_path(path: &str) -> Result<Self, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/for_git/objects/index.rs:93:64
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn analyze_header(header: &[u8]) -> Result<(u32, u32), Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/utils.rs:6:57
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file_all(path: &str) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]   |                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils.rs:14:68
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<std::error::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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn decompress_zlib(compressed: Vec<u8>) -> Result<Vec<u8>, Box<dyn std::error::Error>> {
[INFO] [stdout]    |                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "c7cd9dec378b0da41b57fadc92ab86c7aabff9978853de6a030358c0cafdd8cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7cd9dec378b0da41b57fadc92ab86c7aabff9978853de6a030358c0cafdd8cf", kill_on_drop: false }`
[INFO] [stdout] c7cd9dec378b0da41b57fadc92ab86c7aabff9978853de6a030358c0cafdd8cf