[INFO] fetching crate atlas-coverage 0.1.0...
[INFO] checking atlas-coverage-0.1.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate atlas-coverage 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate atlas-coverage 0.1.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atlas-coverage 0.1.0
[INFO] finished tweaking crates.io crate atlas-coverage 0.1.0
[INFO] tweaked toml for crates.io crate atlas-coverage 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atlas-coverage-core v0.1.0
[INFO] [stderr]   Downloaded lcov-parser v3.2.2
[INFO] [stderr]   Downloaded combine v2.5.2
[INFO] [stderr]   Downloaded ascii v0.7.1
[INFO] [stderr]   Downloaded vlq v0.5.1
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded ecmascript v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f69878162d69855d0665bee07301fe3b96325753e6bf338e92e1e2a6270754c4
[INFO] running `Command { std: "docker" "start" "-a" "f69878162d69855d0665bee07301fe3b96325753e6bf338e92e1e2a6270754c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f69878162d69855d0665bee07301fe3b96325753e6bf338e92e1e2a6270754c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f69878162d69855d0665bee07301fe3b96325753e6bf338e92e1e2a6270754c4", kill_on_drop: false }`
[INFO] [stdout] f69878162d69855d0665bee07301fe3b96325753e6bf338e92e1e2a6270754c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e639204e0daabc9afdfef6cf49020216136ce10a8fb4ffb13d31147fbbbfbe69
[INFO] running `Command { std: "docker" "start" "-a" "e639204e0daabc9afdfef6cf49020216136ce10a8fb4ffb13d31147fbbbfbe69", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking vlq v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]     Checking lcov-parser v3.2.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ecmascript v0.1.0
[INFO] [stderr]     Checking atlas-coverage-core v0.1.0
[INFO] [stderr]     Checking atlas-coverage 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `e2e_cc::settings::Settings`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use e2e_cc::settings::Settings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `e2e_cc::settings::Settings`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use e2e_cc::settings::Settings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() -> Result<(), Box<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/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] 33 | fn main() -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() -> Result<(), Box<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/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] 33 | fn main() -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.90s
[INFO] running `Command { std: "docker" "inspect" "e639204e0daabc9afdfef6cf49020216136ce10a8fb4ffb13d31147fbbbfbe69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e639204e0daabc9afdfef6cf49020216136ce10a8fb4ffb13d31147fbbbfbe69", kill_on_drop: false }`
[INFO] [stdout] e639204e0daabc9afdfef6cf49020216136ce10a8fb4ffb13d31147fbbbfbe69
[INFO] checking atlas-coverage-0.1.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate atlas-coverage 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate atlas-coverage 0.1.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atlas-coverage 0.1.0
[INFO] finished tweaking crates.io crate atlas-coverage 0.1.0
[INFO] tweaked toml for crates.io crate atlas-coverage 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5352db02272bea856e67e9752112b7da8b5d193a81b85544ec5441e7469642e
[INFO] running `Command { std: "docker" "start" "-a" "b5352db02272bea856e67e9752112b7da8b5d193a81b85544ec5441e7469642e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5352db02272bea856e67e9752112b7da8b5d193a81b85544ec5441e7469642e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5352db02272bea856e67e9752112b7da8b5d193a81b85544ec5441e7469642e", kill_on_drop: false }`
[INFO] [stdout] b5352db02272bea856e67e9752112b7da8b5d193a81b85544ec5441e7469642e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8edf208edbf5cccea0fdf393544d8778c1dd76b72c1abf42a96cc3983021143c
[INFO] running `Command { std: "docker" "start" "-a" "8edf208edbf5cccea0fdf393544d8778c1dd76b72c1abf42a96cc3983021143c", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.193
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking ascii v0.7.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking vlq v0.5.1
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking combine v2.5.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking object v0.32.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking bstr v1.8.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking lcov-parser v3.2.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_json v1.0.108
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking backtrace v0.3.69
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ecmascript v0.1.0
[INFO] [stderr]     Checking atlas-coverage-core v0.1.0
[INFO] [stderr]     Checking atlas-coverage 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `e2e_cc::settings::Settings`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use e2e_cc::settings::Settings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `e2e_cc::settings::Settings`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use e2e_cc::settings::Settings;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::env;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() -> Result<(), Box<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/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] 33 | fn main() -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:33:29
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn main() -> Result<(), Box<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/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] 33 | fn main() -> Result<(), Box<dyn Error>>{
[INFO] [stdout]    |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::io::Write;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.63s
[INFO] running `Command { std: "docker" "inspect" "8edf208edbf5cccea0fdf393544d8778c1dd76b72c1abf42a96cc3983021143c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8edf208edbf5cccea0fdf393544d8778c1dd76b72c1abf42a96cc3983021143c", kill_on_drop: false }`
[INFO] [stdout] 8edf208edbf5cccea0fdf393544d8778c1dd76b72c1abf42a96cc3983021143c
