[INFO] cloning repository https://github.com/helloiamgio/kubie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/helloiamgio/kubie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloiamgio%2Fkubie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloiamgio%2Fkubie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d4be9a029da9c6a7569f82a66f32d56c08aef601
[INFO] checking helloiamgio/kubie against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhelloiamgio%2Fkubie" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/helloiamgio/kubie
[INFO] finished tweaking git repo https://github.com/helloiamgio/kubie
[INFO] tweaked toml for git repo https://github.com/helloiamgio/kubie written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/helloiamgio/kubie on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/helloiamgio/kubie 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3b03834f7e839ead953440f983f80aa101297b760d4cfd70a76e2233ef56553
[INFO] running `Command { std: "docker" "start" "-a" "e3b03834f7e839ead953440f983f80aa101297b760d4cfd70a76e2233ef56553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3b03834f7e839ead953440f983f80aa101297b760d4cfd70a76e2233ef56553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3b03834f7e839ead953440f983f80aa101297b760d4cfd70a76e2233ef56553", kill_on_drop: false }`
[INFO] [stdout] e3b03834f7e839ead953440f983f80aa101297b760d4cfd70a76e2233ef56553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29fec83bede2dc7b917b2a4386be0dda0de34cefa9ae5c69b4ffbffc280b96bd
[INFO] running `Command { std: "docker" "start" "-a" "29fec83bede2dc7b917b2a4386be0dda0de34cefa9ae5c69b4ffbffc280b96bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking bytes v1.0.0
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking url v2.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking wildmatch v1.0.13
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking which v3.1.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking serde_yaml v0.8.15
[INFO] [stderr]     Checking attohttpc v0.16.0
[INFO] [stderr]     Checking kubie v0.12.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `prerelease` is never read
[INFO] [stdout]   --> src/cmd/update.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Release {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     tag_name: String,
[INFO] [stdout] 17 |     prerelease: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Release` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `state` are never read
[INFO] [stdout]   --> src/cmd/update.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Asset {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 57 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 58 |     browser_download_url: String,
[INFO] [stdout] 59 |     state: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Asset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         /// Specify in which namespace of the context the shell is spawned.
[INFO] [stdout] 12 | |         #[structopt(short = "n", long = "namespace")]
[INFO] [stdout] 13 | |         namespace_name: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         /// Specify files from which to load contexts instead of using the installed ones.
[INFO] [stdout] 16 | |         #[structopt(short = "f", long = "kubeconfig")]
[INFO] [stdout] 17 | |         kubeconfigs: Vec<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         /// Name of the context to enter. Use '-' to switch back to the previous context.
[INFO] [stdout] 24 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         /// Name of the namespace to enter. Use '-' to switch back to the previous namespace.
[INFO] [stdout] 40 | |         namespace_name: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | /         /// Name of the context in which to run the command.
[INFO] [stdout] 52 | |         context_name: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         /// Namespace in which to run the command. This is mandatory to avoid potential errors.
[INFO] [stdout] 54 | |         namespace_name: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         /// Command to run as well as its arguments.
[INFO] [stdout] 59 | |         args: Vec<String>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         /// Name of the context to edit.
[INFO] [stdout] 70 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | /         /// Name of the context to edit.
[INFO] [stdout] 87 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kubie` (bin "kubie") due to 9 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `prerelease` is never read
[INFO] [stdout]   --> src/cmd/update.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Release {
[INFO] [stdout]    |            ------- field in this struct
[INFO] [stdout] 16 |     tag_name: String,
[INFO] [stdout] 17 |     prerelease: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Release` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `state` are never read
[INFO] [stdout]   --> src/cmd/update.rs:57:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | struct Asset {
[INFO] [stdout]    |        ----- fields in this struct
[INFO] [stdout] 57 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 58 |     browser_download_url: String,
[INFO] [stdout] 59 |     state: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Asset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | /         /// Specify in which namespace of the context the shell is spawned.
[INFO] [stdout] 12 | |         #[structopt(short = "n", long = "namespace")]
[INFO] [stdout] 13 | |         namespace_name: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | /         /// Specify files from which to load contexts instead of using the installed ones.
[INFO] [stdout] 16 | |         #[structopt(short = "f", long = "kubeconfig")]
[INFO] [stdout] 17 | |         kubeconfigs: Vec<String>,
[INFO] [stdout]    | |________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | /         /// Name of the context to enter. Use '-' to switch back to the previous context.
[INFO] [stdout] 24 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | /         /// Name of the namespace to enter. Use '-' to switch back to the previous namespace.
[INFO] [stdout] 40 | |         namespace_name: Option<String>,
[INFO] [stdout]    | |______________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 | /         /// Name of the context in which to run the command.
[INFO] [stdout] 52 | |         context_name: String,
[INFO] [stdout]    | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | /         /// Namespace in which to run the command. This is mandatory to avoid potential errors.
[INFO] [stdout] 54 | |         namespace_name: String,
[INFO] [stdout]    | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         /// Command to run as well as its arguments.
[INFO] [stdout] 59 | |         args: Vec<String>,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 | /         /// Name of the context to edit.
[INFO] [stdout] 70 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cmd/meta.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 86 | /         /// Name of the context to edit.
[INFO] [stdout] 87 | |         context_name: Option<String>,
[INFO] [stdout]    | |____________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kubie` (bin "kubie" test) due to 9 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "29fec83bede2dc7b917b2a4386be0dda0de34cefa9ae5c69b4ffbffc280b96bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29fec83bede2dc7b917b2a4386be0dda0de34cefa9ae5c69b4ffbffc280b96bd", kill_on_drop: false }`
[INFO] [stdout] 29fec83bede2dc7b917b2a4386be0dda0de34cefa9ae5c69b4ffbffc280b96bd