[INFO] fetching crate cargo-equip 0.20.1...
[INFO] checking cargo-equip-0.20.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-equip 0.20.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate cargo-equip 0.20.1
[INFO] finished tweaking crates.io crate cargo-equip 0.20.1
[INFO] tweaked toml for crates.io crate cargo-equip 0.20.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-equip 0.20.1 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 cargo-equip 0.20.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 1d3d81fae5056e41daf10c1371531756c2c7765955cd5e2c1c44b07323098215
[INFO] running `Command { std: "docker" "start" "-a" "1d3d81fae5056e41daf10c1371531756c2c7765955cd5e2c1c44b07323098215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d3d81fae5056e41daf10c1371531756c2c7765955cd5e2c1c44b07323098215", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d3d81fae5056e41daf10c1371531756c2c7765955cd5e2c1c44b07323098215", kill_on_drop: false }`
[INFO] [stdout] 1d3d81fae5056e41daf10c1371531756c2c7765955cd5e2c1c44b07323098215
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] de27906175b59df42ee817555a45496c138f977ddcea04f33b7374880284fdba
[INFO] running `Command { std: "docker" "start" "-a" "de27906175b59df42ee817555a45496c138f977ddcea04f33b7374880284fdba", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
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[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]     Checking tracing v0.1.37
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[INFO] [stderr]     Checking cargo-util v0.1.2
[INFO] [stderr]     Checking cargo-equip v0.20.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Owners` is never constructed
[INFO] [stdout]   --> src/workspace/license.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Owners {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Owners` is never constructed
[INFO] [stdout]   --> src/workspace/license.rs:48:12
[INFO] [stdout]    |
[INFO] [stdout] 48 |     struct Owners {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// Bundle the lib/bin/example target and its dependencies
[INFO] [stdout] 79 | |     #[structopt(
[INFO] [stdout] 80 | |         long,
[INFO] [stdout] 81 | |         value_name("PATH"),
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     )]
[INFO] [stdout] 89 | |     src: Option<PathBuf>,
[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/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     /// Bundle the binary and its dependencies
[INFO] [stdout] 96 | |     #[structopt(long, value_name("NAME"), conflicts_with("example"))]
[INFO] [stdout] 97 | |     bin: 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/lib.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     /// Bundle the binary example and its dependencies
[INFO] [stdout] 100 | |     #[structopt(long, value_name("NAME"))]
[INFO] [stdout] 101 | |     example: Option<String>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | /     /// Path to Cargo.toml
[INFO] [stdout] 104 | |     #[structopt(long, value_name("PATH"))]
[INFO] [stdout] 105 | |     manifest_path: Option<PathBuf>,
[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/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | /     /// [Deprecated] Alias for `--toolchain-for-udeps`
[INFO] [stdout] 170 | |     #[structopt(long, value_name("TOOLCHAIN"), conflicts_with("toolchain_for_udeps"))]
[INFO] [stdout] 171 | |     toolchain: 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/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     /// `nightly` toolchain for `cargo-udeps`
[INFO] [stdout] 174 | |     #[structopt(long, value_name("TOOLCHAIN"), default_value("nightly"))]
[INFO] [stdout] 175 | |     toolchain_for_udeps: 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/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     /// Toolchain for expanding procedural macros
[INFO] [stdout] 178 | |     #[structopt(long, value_name("TOOLCHAIN"))]
[INFO] [stdout] 179 | |     toolchain_for_proc_macro_srv: Option<String>,
[INFO] [stdout]     | |________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | /     /// Write to the file instead of STDOUT
[INFO] [stdout] 255 | |     #[structopt(short, long, value_name("PATH"))]
[INFO] [stdout] 256 | |     output: Option<PathBuf>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | /     /// Bundle the lib/bin/example target and its dependencies
[INFO] [stdout] 79 | |     #[structopt(
[INFO] [stdout] 80 | |         long,
[INFO] [stdout] 81 | |         value_name("PATH"),
[INFO] [stdout] ...  |
[INFO] [stdout] 88 | |     )]
[INFO] [stdout] 89 | |     src: Option<PathBuf>,
[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/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 | /     /// Bundle the binary and its dependencies
[INFO] [stdout] 96 | |     #[structopt(long, value_name("NAME"), conflicts_with("example"))]
[INFO] [stdout] 97 | |     bin: 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/lib.rs:99:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | /     /// Bundle the binary example and its dependencies
[INFO] [stdout] 100 | |     #[structopt(long, value_name("NAME"))]
[INFO] [stdout] 101 | |     example: Option<String>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 | /     /// Path to Cargo.toml
[INFO] [stdout] 104 | |     #[structopt(long, value_name("PATH"))]
[INFO] [stdout] 105 | |     manifest_path: Option<PathBuf>,
[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/lib.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 | /     /// [Deprecated] Alias for `--toolchain-for-udeps`
[INFO] [stdout] 170 | |     #[structopt(long, value_name("TOOLCHAIN"), conflicts_with("toolchain_for_udeps"))]
[INFO] [stdout] 171 | |     toolchain: 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/lib.rs:173:5
[INFO] [stdout]     |
[INFO] [stdout] 173 | /     /// `nightly` toolchain for `cargo-udeps`
[INFO] [stdout] 174 | |     #[structopt(long, value_name("TOOLCHAIN"), default_value("nightly"))]
[INFO] [stdout] 175 | |     toolchain_for_udeps: 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/lib.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 | /     /// Toolchain for expanding procedural macros
[INFO] [stdout] 178 | |     #[structopt(long, value_name("TOOLCHAIN"))]
[INFO] [stdout] 179 | |     toolchain_for_proc_macro_srv: Option<String>,
[INFO] [stdout]     | |________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/lib.rs:254:5
[INFO] [stdout]     |
[INFO] [stdout] 254 | /     /// Write to the file instead of STDOUT
[INFO] [stdout] 255 | |     #[structopt(short, long, value_name("PATH"))]
[INFO] [stdout] 256 | |     output: Option<PathBuf>,
[INFO] [stdout]     | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-equip` (lib test) due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `cargo-equip` (lib) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "de27906175b59df42ee817555a45496c138f977ddcea04f33b7374880284fdba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de27906175b59df42ee817555a45496c138f977ddcea04f33b7374880284fdba", kill_on_drop: false }`
[INFO] [stdout] de27906175b59df42ee817555a45496c138f977ddcea04f33b7374880284fdba
