[INFO] cloning repository https://github.com/nju33/bb
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nju33/bb" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnju33%2Fbb", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnju33%2Fbb'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95f2591e2c51d440fcf974b431e00b65b580634d
[INFO] building nju33/bb against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnju33%2Fbb" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nju33/bb
[INFO] finished tweaking git repo https://github.com/nju33/bb
[INFO] tweaked toml for git repo https://github.com/nju33/bb written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nju33/bb on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nju33/bb 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.3.6
[INFO] [stderr]   Downloaded quote v0.5.1
[INFO] [stderr]   Downloaded serde_derive_internals v0.23.0
[INFO] [stderr]   Downloaded vec_map v0.8.0
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded atty v0.2.8
[INFO] [stderr]   Downloaded redox_syscall v0.1.37
[INFO] [stderr]   Downloaded termion v1.5.1
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded unicode-width v0.1.4
[INFO] [stderr]   Downloaded syn v0.13.1
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] [stderr]   Downloaded serde v1.0.37
[INFO] [stderr]   Downloaded textwrap v0.9.0
[INFO] [stderr]   Downloaded serde_derive v1.0.37
[INFO] [stderr]   Downloaded toml v0.4.6
[INFO] [stderr]   Downloaded libc v0.2.40
[INFO] [stderr]   Downloaded winapi v0.3.4
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05c465051dc33c545fc3defe2090d896727583d3712b171f1eb05975377598e8
[INFO] running `Command { std: "docker" "start" "-a" "05c465051dc33c545fc3defe2090d896727583d3712b171f1eb05975377598e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05c465051dc33c545fc3defe2090d896727583d3712b171f1eb05975377598e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c465051dc33c545fc3defe2090d896727583d3712b171f1eb05975377598e8", kill_on_drop: false }`
[INFO] [stdout] 05c465051dc33c545fc3defe2090d896727583d3712b171f1eb05975377598e8
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb03d6babf9246e85d6a9ef00e352fbc8b972a388c147fa9d56f240423ab1498
[INFO] running `Command { std: "docker" "start" "-a" "cb03d6babf9246e85d6a9ef00e352fbc8b972a388c147fa9d56f240423ab1498", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.3.6
[INFO] [stderr]    Compiling libc v0.2.40
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling serde v1.0.37
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling vec_map v0.8.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling quote v0.5.1
[INFO] [stderr]    Compiling syn v0.13.1
[INFO] [stderr]    Compiling serde_derive_internals v0.23.0
[INFO] [stderr]    Compiling serde_derive v1.0.37
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling bb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/config/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]   --> src/config/mod.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::{BTreeMap};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |       try!(match dir_name.clone().parent() {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let bookmark_toml: PathBuf = try!(self.find_bookmark_toml());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut file = try!(File::open(&bookmark_toml).map_err(ConfigErr::Io));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let toml = try!(contents.parse::<Value>());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command` and `exit`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::{Command, exit};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::process::CommandExt`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::unix::process::CommandExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, and `SubCommand`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]    |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bookmark::Bookmark`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bookmark::Bookmark;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     try!(config.get());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/mod.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config/mod.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |       ConfigErr::Io(ref err) => err.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config/mod.rs:92:39
[INFO] [stdout]    |
[INFO] [stdout] 92 |       ConfigErr::Toml(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/config/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     file.read_to_string(&mut contents);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = file.read_to_string(&mut contents);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.54s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[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" "cb03d6babf9246e85d6a9ef00e352fbc8b972a388c147fa9d56f240423ab1498", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb03d6babf9246e85d6a9ef00e352fbc8b972a388c147fa9d56f240423ab1498", kill_on_drop: false }`
[INFO] [stdout] cb03d6babf9246e85d6a9ef00e352fbc8b972a388c147fa9d56f240423ab1498
[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" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9b1a6fce96ffef552bf0262359487e62de8bbc076c441a3f893102599a52e19
[INFO] running `Command { std: "docker" "start" "-a" "e9b1a6fce96ffef552bf0262359487e62de8bbc076c441a3f893102599a52e19", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling bb v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> src/config/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BTreeMap`
[INFO] [stdout]   --> src/config/mod.rs:11:24
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::collections::{BTreeMap};
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:37:7
[INFO] [stdout]    |
[INFO] [stdout] 37 |       try!(match dir_name.clone().parent() {
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:54:34
[INFO] [stdout]    |
[INFO] [stdout] 54 |     let bookmark_toml: PathBuf = try!(self.find_bookmark_toml());
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |     let mut file = try!(File::open(&bookmark_toml).map_err(ConfigErr::Io));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/config/mod.rs:59:16
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let toml = try!(contents.parse::<Value>());
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Command` and `exit`
[INFO] [stdout]   --> src/main.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::process::{Command, exit};
[INFO] [stdout]    |                    ^^^^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::process::CommandExt`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::os::unix::process::CommandExt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/main.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/main.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, and `SubCommand`
[INFO] [stdout]   --> src/main.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | use clap::{Arg, App, SubCommand};
[INFO] [stdout]    |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `bookmark::Bookmark`
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use bookmark::Bookmark;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     try!(config.get());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/config/mod.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |   fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 96 |   fn cause(&self) -> Option<&dyn error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config/mod.rs:91:37
[INFO] [stdout]    |
[INFO] [stdout] 91 |       ConfigErr::Io(ref err) => err.description(),
[INFO] [stdout]    |                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/config/mod.rs:92:39
[INFO] [stdout]    |
[INFO] [stdout] 92 |       ConfigErr::Toml(ref err) => err.description(),
[INFO] [stdout]    |                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/config/mod.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 57 |     file.read_to_string(&mut contents);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let _ = file.read_to_string(&mut contents);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.1
[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" "e9b1a6fce96ffef552bf0262359487e62de8bbc076c441a3f893102599a52e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b1a6fce96ffef552bf0262359487e62de8bbc076c441a3f893102599a52e19", kill_on_drop: false }`
[INFO] [stdout] e9b1a6fce96ffef552bf0262359487e62de8bbc076c441a3f893102599a52e19
