[INFO] fetching crate yake 0.5.3...
[INFO] checking yake-0.5.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate yake 0.5.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate yake 0.5.3
[INFO] finished tweaking crates.io crate yake 0.5.3
[INFO] tweaked toml for crates.io crate yake 0.5.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate yake 0.5.3 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 crates.io crate yake 0.5.3 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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1445272e04b0e29a2cf9291a36acd38aba6ba67ebe644cef1229909146ce1f94
[INFO] running `Command { std: "docker" "start" "-a" "1445272e04b0e29a2cf9291a36acd38aba6ba67ebe644cef1229909146ce1f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1445272e04b0e29a2cf9291a36acd38aba6ba67ebe644cef1229909146ce1f94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1445272e04b0e29a2cf9291a36acd38aba6ba67ebe644cef1229909146ce1f94", kill_on_drop: false }`
[INFO] [stdout] 1445272e04b0e29a2cf9291a36acd38aba6ba67ebe644cef1229909146ce1f94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2f8ddbd6438f5dbbd5b8a6dc2454ac3674c55be7522fe58cefb088e586b9e965
[INFO] running `Command { std: "docker" "start" "-a" "2f8ddbd6438f5dbbd5b8a6dc2454ac3674c55be7522fe58cefb088e586b9e965", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.3
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking serde_yaml v0.8.13
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]     Checking structopt v0.3.15
[INFO] [stderr]     Checking yake v0.5.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/yake.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct Yake {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 115 |     meta: YakeMeta,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Yake` 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 `doc`, `version`, and `recurse` are never read
[INFO] [stdout]    --> src/yake.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct YakeMeta {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 122 |     doc: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 123 |     version: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 124 |     recurse: bool,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `YakeMeta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/yake.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct YakeTarget {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 129 |     pub name: String,
[INFO] [stdout] 130 |     meta: YakeTargetMeta,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `YakeTarget` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `doc` and `target_type` are never read
[INFO] [stdout]    --> src/yake.rs:139:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct YakeTargetMeta {
[INFO] [stdout]     |            -------------- fields in this struct
[INFO] [stdout] 139 |     doc: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 140 |     target_type: YakeTargetType,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `YakeTargetMeta` 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/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// TARGET to execute
[INFO] [stdout] 30 | |     pub target: 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/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Additional parameters
[INFO] [stdout] 33 | |     #[structopt(short, long)]
[INFO] [stdout] 34 | |     pub params: Option<Vec<String>>,
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yake` (bin "yake") due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `meta` is never read
[INFO] [stdout]    --> src/yake.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 114 | pub struct Yake {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] 115 |     meta: YakeMeta,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Yake` 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 `doc`, `version`, and `recurse` are never read
[INFO] [stdout]    --> src/yake.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct YakeMeta {
[INFO] [stdout]     |            -------- fields in this struct
[INFO] [stdout] 122 |     doc: String,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 123 |     version: String,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 124 |     recurse: bool,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `YakeMeta` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `target_type` is never read
[INFO] [stdout]    --> src/yake.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 138 | pub struct YakeTargetMeta {
[INFO] [stdout]     |            -------------- field in this struct
[INFO] [stdout] 139 |     doc: String,
[INFO] [stdout] 140 |     target_type: YakeTargetType,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `YakeTargetMeta` 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/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | /     /// TARGET to execute
[INFO] [stdout] 30 | |     pub target: 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/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | /     /// Additional parameters
[INFO] [stdout] 33 | |     #[structopt(short, long)]
[INFO] [stdout] 34 | |     pub params: Option<Vec<String>>,
[INFO] [stdout]    | |___________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yake` (bin "yake" test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2f8ddbd6438f5dbbd5b8a6dc2454ac3674c55be7522fe58cefb088e586b9e965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f8ddbd6438f5dbbd5b8a6dc2454ac3674c55be7522fe58cefb088e586b9e965", kill_on_drop: false }`
[INFO] [stdout] 2f8ddbd6438f5dbbd5b8a6dc2454ac3674c55be7522fe58cefb088e586b9e965