[INFO] cloning repository https://github.com/minikiller/study-project
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/minikiller/study-project" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dfcf2137f0dc8c7c2cd553f8253dfb30a6567a1
[INFO] checking minikiller/study-project against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minikiller/study-project on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minikiller/study-project
[INFO] finished tweaking git repo https://github.com/minikiller/study-project
[INFO] tweaked toml for git repo https://github.com/minikiller/study-project written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/minikiller/study-project 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa46954816a561783b973f7f2f5a12f4bd028858f45d502aa3c93c7000b20e77
[INFO] running `Command { std: "docker" "start" "-a" "aa46954816a561783b973f7f2f5a12f4bd028858f45d502aa3c93c7000b20e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa46954816a561783b973f7f2f5a12f4bd028858f45d502aa3c93c7000b20e77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa46954816a561783b973f7f2f5a12f4bd028858f45d502aa3c93c7000b20e77", kill_on_drop: false }`
[INFO] [stdout] aa46954816a561783b973f7f2f5a12f4bd028858f45d502aa3c93c7000b20e77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e14348f490300f5e5bf1184ff15914df5f147dd76bdb7446e6c64b1c1e64a3
[INFO] running `Command { std: "docker" "start" "-a" "33e14348f490300f5e5bf1184ff15914df5f147dd76bdb7446e6c64b1c1e64a3", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking owner v0.1.0 (/opt/rustwide/workdir/owner)
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking structer v0.1.0 (/opt/rustwide/workdir/structer)
[INFO] [stderr]     Checking iter v0.1.0 (/opt/rustwide/workdir/iter)
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking guess v0.1.0 (/opt/rustwide/workdir/guess)
[INFO] [stderr]     Checking variant v0.1.0 (/opt/rustwide/workdir/variant)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.91s
[INFO] running `Command { std: "docker" "inspect" "33e14348f490300f5e5bf1184ff15914df5f147dd76bdb7446e6c64b1c1e64a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e14348f490300f5e5bf1184ff15914df5f147dd76bdb7446e6c64b1c1e64a3", kill_on_drop: false }`
[INFO] [stdout] 33e14348f490300f5e5bf1184ff15914df5f147dd76bdb7446e6c64b1c1e64a3
[INFO] checking minikiller/study-project against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fminikiller%2Fstudy-project" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/minikiller/study-project on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/minikiller/study-project
[INFO] finished tweaking git repo https://github.com/minikiller/study-project
[INFO] tweaked toml for git repo https://github.com/minikiller/study-project written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/minikiller/study-project 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f6d40788202828d41c629ced35710e923b63f1709b38547e1bccd85a97a678
[INFO] running `Command { std: "docker" "start" "-a" "92f6d40788202828d41c629ced35710e923b63f1709b38547e1bccd85a97a678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f6d40788202828d41c629ced35710e923b63f1709b38547e1bccd85a97a678", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f6d40788202828d41c629ced35710e923b63f1709b38547e1bccd85a97a678", kill_on_drop: false }`
[INFO] [stdout] 92f6d40788202828d41c629ced35710e923b63f1709b38547e1bccd85a97a678
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5736b21531a21b0ed58e1d7a17b555785692ff35bc48494aedd512ad3c6cf0e6
[INFO] running `Command { std: "docker" "start" "-a" "5736b21531a21b0ed58e1d7a17b555785692ff35bc48494aedd512ad3c6cf0e6", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking hello v0.1.0 (/opt/rustwide/workdir/hello)
[INFO] [stderr]     Checking iter v0.1.0 (/opt/rustwide/workdir/iter)
[INFO] [stderr]     Checking owner v0.1.0 (/opt/rustwide/workdir/owner)
[INFO] [stderr]     Checking structer v0.1.0 (/opt/rustwide/workdir/structer)
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_it` is never used
[INFO] [stdout]  --> owner/src/main.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | fn get_it<'a>() -> &'a str {
[INFO] [stdout]   |    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking variant v0.1.0 (/opt/rustwide/workdir/variant)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]  --> variant/src/main.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let name: (String, u32, Vec<&str>);
[INFO] [stdout]   |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vd`
[INFO] [stdout]  --> variant/src/main.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let vd= add_it(18);
[INFO] [stdout]   |         ^^ help: if this is intentional, prefix it with an underscore: `_vd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hello` is never constructed
[INFO] [stdout]   --> variant/src/main.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Hello<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking guess v0.1.0 (/opt/rustwide/workdir/guess)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "5736b21531a21b0ed58e1d7a17b555785692ff35bc48494aedd512ad3c6cf0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5736b21531a21b0ed58e1d7a17b555785692ff35bc48494aedd512ad3c6cf0e6", kill_on_drop: false }`
[INFO] [stdout] 5736b21531a21b0ed58e1d7a17b555785692ff35bc48494aedd512ad3c6cf0e6