[INFO] fetching crate skytool 0.1.0-pre.2...
[INFO] checking skytool-0.1.0-pre.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate skytool 0.1.0-pre.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate skytool 0.1.0-pre.2
[INFO] finished tweaking crates.io crate skytool 0.1.0-pre.2
[INFO] tweaked toml for crates.io crate skytool 0.1.0-pre.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate skytool 0.1.0-pre.2 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 skytool 0.1.0-pre.2 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c7045b3905f26b94fddbb6dae7acd730c4e1a87dde50b56b205c8f38eb2a046
[INFO] running `Command { std: "docker" "start" "-a" "6c7045b3905f26b94fddbb6dae7acd730c4e1a87dde50b56b205c8f38eb2a046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c7045b3905f26b94fddbb6dae7acd730c4e1a87dde50b56b205c8f38eb2a046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c7045b3905f26b94fddbb6dae7acd730c4e1a87dde50b56b205c8f38eb2a046", kill_on_drop: false }`
[INFO] [stdout] 6c7045b3905f26b94fddbb6dae7acd730c4e1a87dde50b56b205c8f38eb2a046
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] df8488f3f4165b0a95db58b34f7c9d8e7340413587fc6dfdc335807fccc6e03a
[INFO] running `Command { std: "docker" "start" "-a" "df8488f3f4165b0a95db58b34f7c9d8e7340413587fc6dfdc335807fccc6e03a", kill_on_drop: false }`
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[INFO] [stdout] error: this type will no longer be must used: Result<fred::types::config::server::Server, Infallible>
[INFO] [stdout]   --> src/integrations/fred/types/config/server.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 77 | |     Ok(Self::from(s))
[INFO] [stdout] 78 | |   }
[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<fred::types::config::server::Server, Infallible>
[INFO] [stdout]   --> src/integrations/fred/types/config/server.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Ok(Self::from(s))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<options::output::Wrapper, Infallible>
[INFO] [stdout]    --> src/options/output.rs:163:51
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ___________________________________________________^
[INFO] [stdout] 164 | |     Ok(Self::new(s))
[INFO] [stdout] 165 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<options::output::Wrapper, Infallible>
[INFO] [stdout]    --> src/options/output.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Ok(Self::new(s))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skytool` (lib) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<fred::types::config::server::Server, Infallible>
[INFO] [stdout]   --> src/integrations/fred/types/config/server.rs:76:51
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]    |  ___________________________________________________^
[INFO] [stdout] 77 | |     Ok(Self::from(s))
[INFO] [stdout] 78 | |   }
[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<fred::types::config::server::Server, Infallible>
[INFO] [stdout]   --> src/integrations/fred/types/config/server.rs:77:5
[INFO] [stdout]    |
[INFO] [stdout] 77 |     Ok(Self::from(s))
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<options::output::Wrapper, Infallible>
[INFO] [stdout]    --> src/options/output.rs:163:51
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  ___________________________________________________^
[INFO] [stdout] 164 | |     Ok(Self::new(s))
[INFO] [stdout] 165 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<options::output::Wrapper, Infallible>
[INFO] [stdout]    --> src/options/output.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     Ok(Self::new(s))
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `skytool` (lib test) due to 4 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "df8488f3f4165b0a95db58b34f7c9d8e7340413587fc6dfdc335807fccc6e03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df8488f3f4165b0a95db58b34f7c9d8e7340413587fc6dfdc335807fccc6e03a", kill_on_drop: false }`
[INFO] [stdout] df8488f3f4165b0a95db58b34f7c9d8e7340413587fc6dfdc335807fccc6e03a
