[INFO] cloning repository https://github.com/babydragon/buildtest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/babydragon/buildtest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabydragon%2Fbuildtest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabydragon%2Fbuildtest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5b764fb96130267ab5df7ed501cd6697a6e63d64 [INFO] testing babydragon/buildtest against 1.100.0-beta.1 for beta-1.100-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabydragon%2Fbuildtest" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/babydragon/buildtest [INFO] finished tweaking git repo https://github.com/babydragon/buildtest [INFO] tweaked toml for git repo https://github.com/babydragon/buildtest written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/babydragon/buildtest on toolchain 1.100.0-beta.1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/babydragon/buildtest 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" "+1.100.0-beta.1" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d [INFO] running `Command { std: "docker" "start" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling pin-project-lite v0.2.8 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling futures-sink v0.3.21 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling bytes v1.1.0 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling futures-io v0.3.21 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling slab v0.4.5 [INFO] [stderr] Compiling tracing-core v0.1.22 [INFO] [stderr] Compiling hashbrown v0.11.2 [INFO] [stderr] Compiling tinyvec_macros v0.1.0 [INFO] [stderr] Compiling httparse v1.5.1 [INFO] [stderr] Compiling matches v0.1.9 [INFO] [stderr] Compiling rustversion v1.0.6 [INFO] [stderr] Compiling tinyvec v1.5.1 [INFO] [stderr] Compiling try-lock v0.2.3 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling unicode-bidi v0.3.7 [INFO] [stderr] Compiling form_urlencoded v1.0.1 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling http v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling tracing v0.1.30 [INFO] [stderr] Compiling serde_json v1.0.78 [INFO] [stderr] Compiling crc32fast v1.3.1 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling tower-service v0.3.1 [INFO] [stderr] Compiling cache-padded v1.2.0 [INFO] [stderr] Compiling anyhow v1.0.53 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Compiling concurrent-queue v1.2.2 [INFO] [stderr] Compiling event-listener v2.5.2 [INFO] [stderr] Compiling async-channel v1.6.1 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling mio v0.7.14 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling socket2 v0.4.4 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling xattr v0.2.2 [INFO] [stderr] Compiling tar v0.4.38 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling unicode-normalization v0.1.19 [INFO] [stderr] Compiling idna v0.2.3 [INFO] [stderr] Compiling url v2.2.2 [INFO] [stderr] Compiling http-body v0.4.4 [INFO] [stderr] Compiling darling_core v0.13.1 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling pin-project-internal v1.0.10 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling tokio v1.16.1 [INFO] [stderr] Compiling thiserror v1.0.30 [INFO] [stderr] Compiling pin-project v1.0.10 [INFO] [stderr] Compiling darling_macro v0.13.1 [INFO] [stderr] Compiling darling v0.13.1 [INFO] [stderr] Compiling serde_with_macros v1.5.1 [INFO] [stderr] Compiling futures-executor v0.3.21 [INFO] [stderr] Compiling futures v0.3.21 [INFO] [stderr] Compiling tokio-util v0.6.9 [INFO] [stderr] Compiling h2 v0.3.11 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling serde_with v1.11.0 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling bollard-stubs v1.41.0 [INFO] [stderr] Compiling hyper v0.14.16 [INFO] [stderr] Compiling hyperlocal v0.8.0 [INFO] [stderr] Compiling bollard v0.11.1 (https://github.com/fussybeaver/bollard.git#757b07f1) [INFO] [stderr] Compiling buildtest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `async_channel::RecvError` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use async_channel::RecvError; [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 imports: `AttachContainerOptions`, `AttachContainerResults`, and `LogOutput` [INFO] [stdout] --> src/docker.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use bollard::container::{AttachContainerOptions, AttachContainerResults, Config, LogOutput, LogsOptions, RemoveContainerOptions, Wait... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bollard::models::BuildInfo` [INFO] [stdout] --> src/docker.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use bollard::models::BuildInfo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | docker.build("demo".to_string(), Some(s.clone())).await; [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] 39 | let _ = docker.build("demo".to_string(), Some(s.clone())).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/docker.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | header.set_path("Dockerfile"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = header.set_path("Dockerfile"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 51.23s [INFO] running `Command { std: "docker" "inspect" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling buildtest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `async_channel::RecvError` [INFO] [stdout] --> src/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use async_channel::RecvError; [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 imports: `AttachContainerOptions`, `AttachContainerResults`, and `LogOutput` [INFO] [stdout] --> src/docker.rs:4:26 [INFO] [stdout] | [INFO] [stdout] 4 | use bollard::container::{AttachContainerOptions, AttachContainerResults, Config, LogOutput, LogsOptions, RemoveContainerOptions, Wait... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bollard::models::BuildInfo` [INFO] [stdout] --> src/docker.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use bollard::models::BuildInfo; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:39:5 [INFO] [stdout] | [INFO] [stdout] 39 | docker.build("demo".to_string(), Some(s.clone())).await; [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] 39 | let _ = docker.build("demo".to_string(), Some(s.clone())).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 40 | docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 40 | let _ = docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/docker.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | header.set_path("Dockerfile"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 109 | let _ = header.set_path("Dockerfile"); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.61s [INFO] running `Command { std: "docker" "inspect" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `async_channel::RecvError` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use async_channel::RecvError; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `AttachContainerOptions`, `AttachContainerResults`, and `LogOutput` [INFO] [stderr] --> src/docker.rs:4:26 [INFO] [stderr] | [INFO] [stderr] 4 | use bollard::container::{AttachContainerOptions, AttachContainerResults, Config, LogOutput, LogsOptions, RemoveContainerOptions, Wait... [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bollard::models::BuildInfo` [INFO] [stderr] --> src/docker.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use bollard::models::BuildInfo; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | docker.build("demo".to_string(), Some(s.clone())).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 39 | let _ = docker.build("demo".to_string(), Some(s.clone())).await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 40 | let _ = docker.run("alpine:3.15".to_string(), vec!["echo".to_string(), "in container".to_string()], Some(s.clone())).await; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/docker.rs:109:9 [INFO] [stderr] | [INFO] [stderr] 109 | header.set_path("Dockerfile"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 109 | let _ = header.set_path("Dockerfile"); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `buildtest` (bin "buildtest" test) generated 6 warnings (run `cargo fix --bin "buildtest" -p buildtest --tests` to apply 3 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/build/buildtest/f9aa6cf5dd2b8d60/out/buildtest-f9aa6cf5dd2b8d60) [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" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d", kill_on_drop: false }` [INFO] [stdout] af81be47058080347db333a30b2f285e9a6639cff3a2506da2332b4d795ebc0d