[INFO] fetching crate diplomat_core 0.14.0...
[INFO] checking diplomat_core-0.14.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate diplomat_core 0.14.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate diplomat_core 0.14.0
[INFO] finished tweaking crates.io crate diplomat_core 0.14.0
[INFO] tweaked toml for crates.io crate diplomat_core 0.14.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate diplomat_core 0.14.0 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 diplomat_core 0.14.0 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-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] 6dc832df65cc704236069eb19f49fe4fb54c0d7b94b0917075ad8f2654148795
[INFO] running `Command { std: "docker" "start" "-a" "6dc832df65cc704236069eb19f49fe4fb54c0d7b94b0917075ad8f2654148795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dc832df65cc704236069eb19f49fe4fb54c0d7b94b0917075ad8f2654148795", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dc832df65cc704236069eb19f49fe4fb54c0d7b94b0917075ad8f2654148795", kill_on_drop: false }`
[INFO] [stdout] 6dc832df65cc704236069eb19f49fe4fb54c0d7b94b0917075ad8f2654148795
[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] 41917044d8c9454cdd8d1b8f65731235b0e2151013dae4b7e6e9903b21c1b900
[INFO] running `Command { std: "docker" "start" "-a" "41917044d8c9454cdd8d1b8f65731235b0e2151013dae4b7e6e9903b21c1b900", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking similar v2.4.0
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking strck v1.0.0
[INFO] [stderr]     Checking quote v1.0.35
[INFO] [stderr]     Checking syn v2.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking insta v1.36.1
[INFO] [stderr]     Checking diplomat_core v0.14.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:391:27
[INFO] [stdout]     |
[INFO] [stdout] 391 |             pattern: Some(s.parse().unwrap()),
[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<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:413:54
[INFO] [stdout]     |
[INFO] [stdout] 413 |       fn from_str(s: &str) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 414 | |         if let Some(index) = s.find("{0}") {
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 426 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 | /         if let Some(index) = s.find("{0}") {
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] ...   |
[INFO] [stdout] 424 | |             })
[INFO] [stdout] 425 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:414:44
[INFO] [stdout]     |
[INFO] [stdout] 414 |           if let Some(index) = s.find("{0}") {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] 418 | |                 insertion_index: Some(index),
[INFO] [stdout] 419 | |             })
[INFO] [stdout] 420 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:416:13
[INFO] [stdout]     |
[INFO] [stdout] 416 | /             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] 418 | |                 insertion_index: Some(index),
[INFO] [stdout] 419 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:420:16
[INFO] [stdout]     |
[INFO] [stdout] 420 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 421 | |             Ok(Self {
[INFO] [stdout] 422 | |                 replacement: s.into(),
[INFO] [stdout] 423 | |                 insertion_index: None,
[INFO] [stdout] 424 | |             })
[INFO] [stdout] 425 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 | /             Ok(Self {
[INFO] [stdout] 422 | |                 replacement: s.into(),
[INFO] [stdout] 423 | |                 insertion_index: None,
[INFO] [stdout] 424 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diplomat_core` (lib) due to 7 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<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:391:27
[INFO] [stdout]     |
[INFO] [stdout] 391 |             pattern: Some(s.parse().unwrap()),
[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<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:413:54
[INFO] [stdout]     |
[INFO] [stdout] 413 |       fn from_str(s: &str) -> Result<Self, Infallible> {
[INFO] [stdout]     |  ______________________________________________________^
[INFO] [stdout] 414 | |         if let Some(index) = s.find("{0}") {
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] ...   |
[INFO] [stdout] 426 | |     }
[INFO] [stdout]     | |_____^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:414:9
[INFO] [stdout]     |
[INFO] [stdout] 414 | /         if let Some(index) = s.find("{0}") {
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] ...   |
[INFO] [stdout] 424 | |             })
[INFO] [stdout] 425 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:414:44
[INFO] [stdout]     |
[INFO] [stdout] 414 |           if let Some(index) = s.find("{0}") {
[INFO] [stdout]     |  ____________________________________________^
[INFO] [stdout] 415 | |             let replacement = format!("{}{}", &s[..index], &s[index + 3..]);
[INFO] [stdout] 416 | |             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] 418 | |                 insertion_index: Some(index),
[INFO] [stdout] 419 | |             })
[INFO] [stdout] 420 | |         } else {
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:416:13
[INFO] [stdout]     |
[INFO] [stdout] 416 | /             Ok(Self {
[INFO] [stdout] 417 | |                 replacement,
[INFO] [stdout] 418 | |                 insertion_index: Some(index),
[INFO] [stdout] 419 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:420:16
[INFO] [stdout]     |
[INFO] [stdout] 420 |           } else {
[INFO] [stdout]     |  ________________^
[INFO] [stdout] 421 | |             Ok(Self {
[INFO] [stdout] 422 | |                 replacement: s.into(),
[INFO] [stdout] 423 | |                 insertion_index: None,
[INFO] [stdout] 424 | |             })
[INFO] [stdout] 425 | |         }
[INFO] [stdout]     | |_________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<RenamePattern, Infallible>
[INFO] [stdout]    --> src/ast/attrs.rs:421:13
[INFO] [stdout]     |
[INFO] [stdout] 421 | /             Ok(Self {
[INFO] [stdout] 422 | |                 replacement: s.into(),
[INFO] [stdout] 423 | |                 insertion_index: None,
[INFO] [stdout] 424 | |             })
[INFO] [stdout]     | |______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `diplomat_core` (lib test) due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "41917044d8c9454cdd8d1b8f65731235b0e2151013dae4b7e6e9903b21c1b900", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41917044d8c9454cdd8d1b8f65731235b0e2151013dae4b7e6e9903b21c1b900", kill_on_drop: false }`
[INFO] [stdout] 41917044d8c9454cdd8d1b8f65731235b0e2151013dae4b7e6e9903b21c1b900
