[INFO] fetching crate target-tuples 0.5.13...
[INFO] checking target-tuples-0.5.13 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate target-tuples 0.5.13 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate target-tuples 0.5.13
[INFO] finished tweaking crates.io crate target-tuples 0.5.13
[INFO] tweaked toml for crates.io crate target-tuples 0.5.13 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate target-tuples 0.5.13 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 target-tuples 0.5.13 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] 4f6006d2c1c8e838efe6a7f728fc564282f201d2c69e4a0cb0602ec4cfc03aee
[INFO] running `Command { std: "docker" "start" "-a" "4f6006d2c1c8e838efe6a7f728fc564282f201d2c69e4a0cb0602ec4cfc03aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f6006d2c1c8e838efe6a7f728fc564282f201d2c69e4a0cb0602ec4cfc03aee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f6006d2c1c8e838efe6a7f728fc564282f201d2c69e4a0cb0602ec4cfc03aee", kill_on_drop: false }`
[INFO] [stdout] 4f6006d2c1c8e838efe6a7f728fc564282f201d2c69e4a0cb0602ec4cfc03aee
[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] 3ae7473d0b053e2c13714cff749be3b3db2cd544a74d0968414cf3bcf858fd8e
[INFO] running `Command { std: "docker" "start" "-a" "3ae7473d0b053e2c13714cff749be3b3db2cd544a74d0968414cf3bcf858fd8e", kill_on_drop: false }`
[INFO] [stderr]     Checking target-tuples v0.5.13 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:236:53
[INFO] [stdout]     |
[INFO] [stdout] 236 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 237 | |         Ok(match s {
[INFO] [stdout] 238 | |             "apple" => Self::Apple,
[INFO] [stdout] 239 | |             "pc" => Self::PC,
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |         })
[INFO] [stdout] 257 | |     }
[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<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 | /         Ok(match s {
[INFO] [stdout] 238 | |             "apple" => Self::Apple,
[INFO] [stdout] 239 | |             "pc" => Self::PC,
[INFO] [stdout] ...   |
[INFO] [stdout] 255 | |             _ => Self::Unknown,
[INFO] [stdout] 256 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Self::from_str(s).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:723:45
[INFO] [stdout]     |
[INFO] [stdout] 723 |             } else if let Vendor::Unknown = f2.parse().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:732:31
[INFO] [stdout]     |
[INFO] [stdout] 732 |                 vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:750:27
[INFO] [stdout]     |
[INFO] [stdout] 750 |             vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:905:45
[INFO] [stdout]     |
[INFO] [stdout] 905 |             } else if let Vendor::Unknown = f2.parse().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:912:31
[INFO] [stdout]     |
[INFO] [stdout] 912 |                 vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:932:27
[INFO] [stdout]     |
[INFO] [stdout] 932 |             vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `target-tuples` (lib) due to 9 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<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:236:53
[INFO] [stdout]     |
[INFO] [stdout] 236 |       fn from_str(s: &str) -> Result<Self, Self::Err> {
[INFO] [stdout]     |  _____________________________________________________^
[INFO] [stdout] 237 | |         Ok(match s {
[INFO] [stdout] 238 | |             "apple" => Self::Apple,
[INFO] [stdout] 239 | |             "pc" => Self::PC,
[INFO] [stdout] ...   |
[INFO] [stdout] 256 | |         })
[INFO] [stdout] 257 | |     }
[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<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:237:9
[INFO] [stdout]     |
[INFO] [stdout] 237 | /         Ok(match s {
[INFO] [stdout] 238 | |             "apple" => Self::Apple,
[INFO] [stdout] 239 | |             "pc" => Self::PC,
[INFO] [stdout] ...   |
[INFO] [stdout] 255 | |             _ => Self::Unknown,
[INFO] [stdout] 256 | |         })
[INFO] [stdout]     | |__________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:271:9
[INFO] [stdout]     |
[INFO] [stdout] 271 |         Self::from_str(s).unwrap()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:723:45
[INFO] [stdout]     |
[INFO] [stdout] 723 |             } else if let Vendor::Unknown = f2.parse().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:732:31
[INFO] [stdout]     |
[INFO] [stdout] 732 |                 vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:750:27
[INFO] [stdout]     |
[INFO] [stdout] 750 |             vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:905:45
[INFO] [stdout]     |
[INFO] [stdout] 905 |             } else if let Vendor::Unknown = f2.parse().unwrap() {
[INFO] [stdout]     |                                             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:912:31
[INFO] [stdout]     |
[INFO] [stdout] 912 |                 vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Vendor, Infallible>
[INFO] [stdout]    --> src/pieces.rs:932:27
[INFO] [stdout]     |
[INFO] [stdout] 932 |             vendor = Some(f2.parse().unwrap());
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `target-tuples` (lib test) due to 9 previous errors
[INFO] running `Command { std: "docker" "inspect" "3ae7473d0b053e2c13714cff749be3b3db2cd544a74d0968414cf3bcf858fd8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ae7473d0b053e2c13714cff749be3b3db2cd544a74d0968414cf3bcf858fd8e", kill_on_drop: false }`
[INFO] [stdout] 3ae7473d0b053e2c13714cff749be3b3db2cd544a74d0968414cf3bcf858fd8e