[INFO] fetching crate paperclip-ng 0.1.1...
[INFO] checking paperclip-ng-0.1.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate paperclip-ng 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate paperclip-ng 0.1.1
[INFO] finished tweaking crates.io crate paperclip-ng 0.1.1
[INFO] tweaked toml for crates.io crate paperclip-ng 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate paperclip-ng 0.1.1 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 paperclip-ng 0.1.1 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f003e11046db3b38ade097bde0f412e3ac9e2784ffc3c9f820aba0e01dfaa076
[INFO] running `Command { std: "docker" "start" "-a" "f003e11046db3b38ade097bde0f412e3ac9e2784ffc3c9f820aba0e01dfaa076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f003e11046db3b38ade097bde0f412e3ac9e2784ffc3c9f820aba0e01dfaa076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f003e11046db3b38ade097bde0f412e3ac9e2784ffc3c9f820aba0e01dfaa076", kill_on_drop: false }`
[INFO] [stdout] f003e11046db3b38ade097bde0f412e3ac9e2784ffc3c9f820aba0e01dfaa076
[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 -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] 0c1e0f3c150fed8bc6232ec6c7006ddedff694553f6745391a220401b6afa9a3
[INFO] running `Command { std: "docker" "start" "-a" "0c1e0f3c150fed8bc6232ec6c7006ddedff694553f6745391a220401b6afa9a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.9
[INFO] [stderr]    Compiling quote v1.0.28
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.18
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking value-bag v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.27
[INFO] [stderr]     Checking hashbrown v0.15.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking unsafe-libyaml v0.2.4
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking heck v0.4.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling syn v2.0.18
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling logos-codegen v0.14.2
[INFO] [stderr]    Compiling ramhorns-derive v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling logos-derive v0.14.2
[INFO] [stderr]     Checking logos v0.14.2
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking ramhorns v1.0.1
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]     Checking serde_json v1.0.79
[INFO] [stderr]     Checking serde_yaml v0.9.13
[INFO] [stderr]     Checking openapiv3-paper v2.0.2
[INFO] [stderr]     Checking paperclip-ng v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/cli/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Path to OpenAPI spec in JSON/YAML format (also supports publicly accessible URLs).
[INFO] [stdout] 38 | |     #[structopt(long)]
[INFO] [stdout] 39 | |     spec: std::path::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/bin/cli/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Name of the crate. If this is not specified, then the name of the
[INFO] [stdout] 50 | |     /// working directory is assumed to be crate name.
[INFO] [stdout] 51 | |     #[structopt(long = "name")]
[INFO] [stdout] 52 | |     pub 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/bin/cli/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     /// The Version of the crate.
[INFO] [stdout] 54 | |     #[structopt(long = "version", default_value = "0.1.0")]
[INFO] [stdout] 55 | |     pub version: 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/bin/cli/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// The Edition of the crate.
[INFO] [stdout] 57 | |     #[structopt(long = "edition", default_value = "2018")]
[INFO] [stdout] 58 | |     pub edition: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paperclip-ng` (bin "paperclip-ng") due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/cli/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Path to OpenAPI spec in JSON/YAML format (also supports publicly accessible URLs).
[INFO] [stdout] 38 | |     #[structopt(long)]
[INFO] [stdout] 39 | |     spec: std::path::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/bin/cli/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     /// Name of the crate. If this is not specified, then the name of the
[INFO] [stdout] 50 | |     /// working directory is assumed to be crate name.
[INFO] [stdout] 51 | |     #[structopt(long = "name")]
[INFO] [stdout] 52 | |     pub 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/bin/cli/main.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 | /     /// The Version of the crate.
[INFO] [stdout] 54 | |     #[structopt(long = "version", default_value = "0.1.0")]
[INFO] [stdout] 55 | |     pub version: 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/bin/cli/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// The Edition of the crate.
[INFO] [stdout] 57 | |     #[structopt(long = "edition", default_value = "2018")]
[INFO] [stdout] 58 | |     pub edition: String,
[INFO] [stdout]    | |_______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `paperclip-ng` (bin "paperclip-ng" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "0c1e0f3c150fed8bc6232ec6c7006ddedff694553f6745391a220401b6afa9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c1e0f3c150fed8bc6232ec6c7006ddedff694553f6745391a220401b6afa9a3", kill_on_drop: false }`
[INFO] [stdout] 0c1e0f3c150fed8bc6232ec6c7006ddedff694553f6745391a220401b6afa9a3
