[INFO] fetching crate cargo-dock 0.1.0...
[INFO] testing cargo-dock-0.1.0 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate cargo-dock 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate cargo-dock 0.1.0 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-dock 0.1.0
[INFO] finished tweaking crates.io crate cargo-dock 0.1.0
[INFO] tweaked toml for crates.io crate cargo-dock 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.13)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffbb4439d7307f3f6c0dab0e1fd5c74b2e1190685fedbe015ece4cc3c5db1ed1
[INFO] running `Command { std: "docker" "start" "-a" "ffbb4439d7307f3f6c0dab0e1fd5c74b2e1190685fedbe015ece4cc3c5db1ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffbb4439d7307f3f6c0dab0e1fd5c74b2e1190685fedbe015ece4cc3c5db1ed1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffbb4439d7307f3f6c0dab0e1fd5c74b2e1190685fedbe015ece4cc3c5db1ed1", kill_on_drop: false }`
[INFO] [stdout] ffbb4439d7307f3f6c0dab0e1fd5c74b2e1190685fedbe015ece4cc3c5db1ed1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8a394903b60e3f27a86b4953e0d49edbcf3282b4fc455130545f13107bc1fc5
[INFO] running `Command { std: "docker" "start" "-a" "f8a394903b60e3f27a86b4953e0d49edbcf3282b4fc455130545f13107bc1fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling cargo-dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "f8a394903b60e3f27a86b4953e0d49edbcf3282b4fc455130545f13107bc1fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a394903b60e3f27a86b4953e0d49edbcf3282b4fc455130545f13107bc1fc5", kill_on_drop: false }`
[INFO] [stdout] f8a394903b60e3f27a86b4953e0d49edbcf3282b4fc455130545f13107bc1fc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9223d320042b831e57b0220f4d557f255eb6ba8440b9cec2c5fd58ae6760a78
[INFO] running `Command { std: "docker" "start" "-a" "a9223d320042b831e57b0220f4d557f255eb6ba8440b9cec2c5fd58ae6760a78", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "a9223d320042b831e57b0220f4d557f255eb6ba8440b9cec2c5fd58ae6760a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9223d320042b831e57b0220f4d557f255eb6ba8440b9cec2c5fd58ae6760a78", kill_on_drop: false }`
[INFO] [stdout] a9223d320042b831e57b0220f4d557f255eb6ba8440b9cec2c5fd58ae6760a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea6844116401da7e1e27dbac5e4a143f99027c27c34de691214876ce3043e0d5
[INFO] running `Command { std: "docker" "start" "-a" "ea6844116401da7e1e27dbac5e4a143f99027c27c34de691214876ce3043e0d5", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-dock` (bin "cargo-dock" test) generated 1 warning (run `cargo fix --bin "cargo-dock" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_dock-c76776e0c67287fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ea6844116401da7e1e27dbac5e4a143f99027c27c34de691214876ce3043e0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea6844116401da7e1e27dbac5e4a143f99027c27c34de691214876ce3043e0d5", kill_on_drop: false }`
[INFO] [stdout] ea6844116401da7e1e27dbac5e4a143f99027c27c34de691214876ce3043e0d5
[INFO] testing cargo-dock-0.1.0 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate cargo-dock 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate cargo-dock 0.1.0 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-dock 0.1.0
[INFO] finished tweaking crates.io crate cargo-dock 0.1.0
[INFO] tweaked toml for crates.io crate cargo-dock 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.23)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding strsim v0.8.0 (latest: v0.11.1)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding toml v0.4.10 (latest: v0.8.13)
[INFO] [stderr]       Adding unindent v0.1.11 (latest: v0.2.3)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2aed9c3982e4976670ac05b7eee01de27ea0a201b51698b863dd074791c43a3b
[INFO] running `Command { std: "docker" "start" "-a" "2aed9c3982e4976670ac05b7eee01de27ea0a201b51698b863dd074791c43a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aed9c3982e4976670ac05b7eee01de27ea0a201b51698b863dd074791c43a3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aed9c3982e4976670ac05b7eee01de27ea0a201b51698b863dd074791c43a3b", kill_on_drop: false }`
[INFO] [stdout] 2aed9c3982e4976670ac05b7eee01de27ea0a201b51698b863dd074791c43a3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f3f97c71e8e82b4f827a0cd5e541f9de23e7d6ed53571d9dcf426914de9534
[INFO] running `Command { std: "docker" "start" "-a" "d9f3f97c71e8e82b4f827a0cd5e541f9de23e7d6ed53571d9dcf426914de9534", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling cargo-dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "d9f3f97c71e8e82b4f827a0cd5e541f9de23e7d6ed53571d9dcf426914de9534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f3f97c71e8e82b4f827a0cd5e541f9de23e7d6ed53571d9dcf426914de9534", kill_on_drop: false }`
[INFO] [stdout] d9f3f97c71e8e82b4f827a0cd5e541f9de23e7d6ed53571d9dcf426914de9534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec111041109c06e19a1a8f7e780e3688ae2645cdf82e640a6dbaa1b9e5817309
[INFO] running `Command { std: "docker" "start" "-a" "ec111041109c06e19a1a8f7e780e3688ae2645cdf82e640a6dbaa1b9e5817309", kill_on_drop: false }`
[INFO] [stderr]    Compiling cargo-dock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:113:32
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "ec111041109c06e19a1a8f7e780e3688ae2645cdf82e640a6dbaa1b9e5817309", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec111041109c06e19a1a8f7e780e3688ae2645cdf82e640a6dbaa1b9e5817309", kill_on_drop: false }`
[INFO] [stdout] ec111041109c06e19a1a8f7e780e3688ae2645cdf82e640a6dbaa1b9e5817309
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 20924f38bf8ecc30c246db20a0ed87a385e7c870cd91289ca4d7de000bb9d1bc
[INFO] running `Command { std: "docker" "start" "-a" "20924f38bf8ecc30c246db20a0ed87a385e7c870cd91289ca4d7de000bb9d1bc", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:113:32
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_docker_command(modify: &Fn(&mut Command) -> &Command) -> () {
[INFO] [stderr]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) 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: if this is an object-safe trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn run_docker_command(modify: &dyn Fn(&mut Command) -> &Command) -> () {
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: `cargo-dock` (bin "cargo-dock" test) generated 1 warning (run `cargo fix --bin "cargo-dock" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cargo_dock-c76776e0c67287fc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "20924f38bf8ecc30c246db20a0ed87a385e7c870cd91289ca4d7de000bb9d1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20924f38bf8ecc30c246db20a0ed87a385e7c870cd91289ca4d7de000bb9d1bc", kill_on_drop: false }`
[INFO] [stdout] 20924f38bf8ecc30c246db20a0ed87a385e7c870cd91289ca4d7de000bb9d1bc
