[INFO] fetching crate dotsy 1.0.1...
[INFO] checking dotsy-1.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate dotsy 1.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate dotsy 1.0.1
[INFO] finished tweaking crates.io crate dotsy 1.0.1
[INFO] tweaked toml for crates.io crate dotsy 1.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dotsy 1.0.1 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 dotsy 1.0.1 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] [stderr] warning: `edition` is set on binary `dotsy` which is deprecated
[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] 7c168aa2818e122288d18d7eb7d849f75002a20d021cca526cf19a300cdad202
[INFO] running `Command { std: "docker" "start" "-a" "7c168aa2818e122288d18d7eb7d849f75002a20d021cca526cf19a300cdad202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c168aa2818e122288d18d7eb7d849f75002a20d021cca526cf19a300cdad202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c168aa2818e122288d18d7eb7d849f75002a20d021cca526cf19a300cdad202", kill_on_drop: false }`
[INFO] [stdout] 7c168aa2818e122288d18d7eb7d849f75002a20d021cca526cf19a300cdad202
[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] d7ac3067b714760c1c393d9aa0d940fc7cd2dd25dad6cf2febe5fb164919d5a9
[INFO] running `Command { std: "docker" "start" "-a" "d7ac3067b714760c1c393d9aa0d940fc7cd2dd25dad6cf2febe5fb164919d5a9", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `dotsy` which is deprecated
[INFO] [stderr]    Compiling libc v0.2.166
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde_json v1.0.137
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]     Checking psl-types v2.0.11
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling phf_codegen v0.11.2
[INFO] [stderr]     Checking psl v2.1.62
[INFO] [stderr]     Checking chrono v0.4.38
[INFO] [stderr]     Checking phf v0.11.2
[INFO] [stderr]     Checking uritemplate-next v0.2.0
[INFO] [stderr]    Compiling valico v4.0.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling syn v2.0.89
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking downcast-rs v1.2.1
[INFO] [stderr]     Checking glob v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.4.1
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking dirs-sys v0.5.0
[INFO] [stderr]     Checking dirs v5.0.1
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]     Checking shellexpand v3.1.0
[INFO] [stderr]     Checking dirs v6.0.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking addr v0.15.6
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling synstructure v0.13.1
[INFO] [stderr]    Compiling zerofrom-derive v0.1.5
[INFO] [stderr]    Compiling yoke-derive v0.7.5
[INFO] [stderr]    Compiling zerovec-derive v0.10.3
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling icu_provider_macros v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling snafu-derive v0.8.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking zerofrom v0.1.5
[INFO] [stderr]     Checking yoke v0.7.5
[INFO] [stderr]     Checking zerovec v0.10.4
[INFO] [stderr]     Checking snafu v0.8.5
[INFO] [stderr]     Checking tinystr v0.7.6
[INFO] [stderr]     Checking icu_collections v1.5.0
[INFO] [stderr]     Checking icu_locid v1.5.0
[INFO] [stderr]     Checking icu_provider v1.5.0
[INFO] [stderr]     Checking icu_locid_transform v1.5.0
[INFO] [stderr]     Checking icu_properties v1.5.1
[INFO] [stderr]     Checking erased-serde v0.3.31
[INFO] [stderr]     Checking icu_normalizer v1.5.0
[INFO] [stderr]     Checking idna_adapter v1.2.0
[INFO] [stderr]     Checking idna v1.0.3
[INFO] [stderr]     Checking json-pointer v0.3.4
[INFO] [stderr]     Checking jsonway v2.0.0
[INFO] [stderr]     Checking url v2.5.4
[INFO] [stderr]     Checking dotsy v1.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub values: Vec<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/cli.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         #[structopt(short = "c", long = "config")]
[INFO] [stdout] 43 | |         config: 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/cli.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         #[structopt(short = "p", long = "profile")]
[INFO] [stdout] 45 | |         profile: 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/cli.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// Sets a custom config file.
[INFO] [stdout] 57 | |     ///
[INFO] [stdout] 58 | |     /// DEFAULT PATH is otherwise determined in this order:
[INFO] [stdout] 59 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     #[structopt(short = "c", long = "config-file", env = "DOTSY_CONFIG_PATH")]
[INFO] [stdout] 73 | |     pub path: Option<PathBuf>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotsy` (lib) 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/cli.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub values: Vec<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/cli.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 42 | /         #[structopt(short = "c", long = "config")]
[INFO] [stdout] 43 | |         config: 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/cli.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         #[structopt(short = "p", long = "profile")]
[INFO] [stdout] 45 | |         profile: 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/cli.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     /// Sets a custom config file.
[INFO] [stdout] 57 | |     ///
[INFO] [stdout] 58 | |     /// DEFAULT PATH is otherwise determined in this order:
[INFO] [stdout] 59 | |     ///
[INFO] [stdout] ...  |
[INFO] [stdout] 72 | |     #[structopt(short = "c", long = "config-file", env = "DOTSY_CONFIG_PATH")]
[INFO] [stdout] 73 | |     pub path: Option<PathBuf>,
[INFO] [stdout]    | |_____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dotsy` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "d7ac3067b714760c1c393d9aa0d940fc7cd2dd25dad6cf2febe5fb164919d5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7ac3067b714760c1c393d9aa0d940fc7cd2dd25dad6cf2febe5fb164919d5a9", kill_on_drop: false }`
[INFO] [stdout] d7ac3067b714760c1c393d9aa0d940fc7cd2dd25dad6cf2febe5fb164919d5a9
