[INFO] crate vcstatus 0.1.1 is already in cache
[INFO] testing vcstatus-0.1.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate vcstatus 0.1.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate vcstatus 0.1.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vcstatus 0.1.1
[INFO] finished tweaking crates.io crate vcstatus 0.1.1
[INFO] tweaked toml for crates.io crate vcstatus 0.1.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c2e35758774f5d8bd3910f290c37d24068aad69cf06b17ad0b24a53cc3098e1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1c2e35758774f5d8bd3910f290c37d24068aad69cf06b17ad0b24a53cc3098e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2e35758774f5d8bd3910f290c37d24068aad69cf06b17ad0b24a53cc3098e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2e35758774f5d8bd3910f290c37d24068aad69cf06b17ad0b24a53cc3098e1", kill_on_drop: false }`
[INFO] [stdout] 1c2e35758774f5d8bd3910f290c37d24068aad69cf06b17ad0b24a53cc3098e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d77e515c99ae876ca1a68c27f765cf93934849be616af1b4ec2527c52b4fe442
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d77e515c99ae876ca1a68c27f765cf93934849be616af1b4ec2527c52b4fe442", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling vcstatus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/git.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/git.rs:67:44
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vcs/git.rs:105:44
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:17:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | static SUPPORTED_VCS: [fn (&Path) -> Option<Box<VCS>>; 2] = [
[INFO] [stdout]    |                                                 ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:35:44
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn branch(&self) -> Result<String, Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:38:44
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn modified(&self) -> Result<bool, Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn get_vcs(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.53s
[INFO] running `Command { std: "docker" "inspect" "d77e515c99ae876ca1a68c27f765cf93934849be616af1b4ec2527c52b4fe442", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d77e515c99ae876ca1a68c27f765cf93934849be616af1b4ec2527c52b4fe442", kill_on_drop: false }`
[INFO] [stdout] d77e515c99ae876ca1a68c27f765cf93934849be616af1b4ec2527c52b4fe442
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5fb242bb43ddf0a38587c99ba453883f5e62632549f8a5a29b6b3dd12b18e012
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5fb242bb43ddf0a38587c99ba453883f5e62632549f8a5a29b6b3dd12b18e012", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcstatus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/git.rs:30:43
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/git.rs:67:44
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/vcs/git.rs:105:44
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stdout]     |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:58:44
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/hg.rs:71:44
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:17:49
[INFO] [stdout]    |
[INFO] [stdout] 17 | static SUPPORTED_VCS: [fn (&Path) -> Option<Box<VCS>>; 2] = [
[INFO] [stdout]    |                                                 ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:35:44
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn branch(&self) -> Result<String, Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:38:44
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn modified(&self) -> Result<bool, Box<Error>>;
[INFO] [stdout]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/vcs/mod.rs:52:43
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn get_vcs(path: &Path) -> Option<Box<VCS>> {
[INFO] [stdout]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "5fb242bb43ddf0a38587c99ba453883f5e62632549f8a5a29b6b3dd12b18e012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fb242bb43ddf0a38587c99ba453883f5e62632549f8a5a29b6b3dd12b18e012", kill_on_drop: false }`
[INFO] [stdout] 5fb242bb43ddf0a38587c99ba453883f5e62632549f8a5a29b6b3dd12b18e012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dfab6da684ddffd0348c1462388301ec2978c41eea1ce69604ce4381ffd5826f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dfab6da684ddffd0348c1462388301ec2978c41eea1ce69604ce4381ffd5826f", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/git.rs:30:43
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stderr]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/git.rs:67:44
[INFO] [stderr]    |
[INFO] [stderr] 67 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/vcs/git.rs:105:44
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/hg.rs:27:43
[INFO] [stderr]    |
[INFO] [stderr] 27 |     pub fn new(path: &Path) -> Option<Box<VCS>> {
[INFO] [stderr]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/hg.rs:58:44
[INFO] [stderr]    |
[INFO] [stderr] 58 |     fn branch(&self) -> Result<String, Box<error::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/hg.rs:71:44
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn modified(&self) -> Result<bool, Box<error::Error>> {
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/mod.rs:17:49
[INFO] [stderr]    |
[INFO] [stderr] 17 | static SUPPORTED_VCS: [fn (&Path) -> Option<Box<VCS>>; 2] = [
[INFO] [stderr]    |                                                 ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/mod.rs:35:44
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn branch(&self) -> Result<String, Box<Error>>;
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/mod.rs:38:44
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn modified(&self) -> Result<bool, Box<Error>>;
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/vcs/mod.rs:52:43
[INFO] [stderr]    |
[INFO] [stderr] 52 | pub fn get_vcs(path: &Path) -> Option<Box<VCS>> {
[INFO] [stderr]    |                                           ^^^ help: use `dyn`: `dyn VCS`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/vcstatus-497adb7933fbc053
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfab6da684ddffd0348c1462388301ec2978c41eea1ce69604ce4381ffd5826f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfab6da684ddffd0348c1462388301ec2978c41eea1ce69604ce4381ffd5826f", kill_on_drop: false }`
[INFO] [stdout] dfab6da684ddffd0348c1462388301ec2978c41eea1ce69604ce4381ffd5826f