[INFO] fetching crate rsw 0.8.0...
[INFO] checking rsw-0.8.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate rsw 0.8.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rsw 0.8.0
[INFO] finished tweaking crates.io crate rsw 0.8.0
[INFO] tweaked toml for crates.io crate rsw 0.8.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rsw 0.8.0 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 rsw 0.8.0 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-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] dab5334bd20de587888d4f81dca54f16ee3b477b2bb2bb5132c8d5b1edffd1ad
[INFO] running `Command { std: "docker" "start" "-a" "dab5334bd20de587888d4f81dca54f16ee3b477b2bb2bb5132c8d5b1edffd1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dab5334bd20de587888d4f81dca54f16ee3b477b2bb2bb5132c8d5b1edffd1ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dab5334bd20de587888d4f81dca54f16ee3b477b2bb2bb5132c8d5b1edffd1ad", kill_on_drop: false }`
[INFO] [stdout] dab5334bd20de587888d4f81dca54f16ee3b477b2bb2bb5132c8d5b1edffd1ad
[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] 318bc8bdec87131acc9624284d6cd686a7c3040c3f20d83a36db0310951621a8
[INFO] running `Command { std: "docker" "start" "-a" "318bc8bdec87131acc9624284d6cd686a7c3040c3f20d83a36db0310951621a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.38
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking which v4.3.0
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.18.0
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking rsw v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/core/cli.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         /// the name of the project
[INFO] [stdout] 37 | |         name: 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/core/cli.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// `wasm-pack new`: The URL to the template <https://github.com/rustwasm/wasm-pack-template>
[INFO] [stdout] 39 | |         #[clap(short = 't', long)]
[INFO] [stdout] 40 | |         template: 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/core/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | / ...   /// `wasm-pack new`: Should we install or check the presence of binary tools. [possible values: no-install, normal, force] [default...
[INFO] [stdout] 42 | | ...   #[clap(short = 'm', long)]
[INFO] [stdout] 43 | | ...   mode: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsw` (lib) due to 3 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/core/cli.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 | /         /// the name of the project
[INFO] [stdout] 37 | |         name: 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/core/cli.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | /         /// `wasm-pack new`: The URL to the template <https://github.com/rustwasm/wasm-pack-template>
[INFO] [stdout] 39 | |         #[clap(short = 't', long)]
[INFO] [stdout] 40 | |         template: 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/core/cli.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | / ...   /// `wasm-pack new`: Should we install or check the presence of binary tools. [possible values: no-install, normal, force] [default...
[INFO] [stdout] 42 | | ...   #[clap(short = 'm', long)]
[INFO] [stdout] 43 | | ...   mode: Option<String>,
[INFO] [stdout]    | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsw` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "318bc8bdec87131acc9624284d6cd686a7c3040c3f20d83a36db0310951621a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "318bc8bdec87131acc9624284d6cd686a7c3040c3f20d83a36db0310951621a8", kill_on_drop: false }`
[INFO] [stdout] 318bc8bdec87131acc9624284d6cd686a7c3040c3f20d83a36db0310951621a8
