[INFO] fetching crate mnx-rs 0.0.0... [INFO] checking mnx-rs-0.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate mnx-rs 0.0.0 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate mnx-rs 0.0.0 [INFO] finished tweaking crates.io crate mnx-rs 0.0.0 [INFO] tweaked toml for crates.io crate mnx-rs 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mnx-rs 0.0.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 30 packages to latest compatible versions [INFO] [stderr] Adding schemars v0.8.22 (available: v1.1.0) [INFO] [stderr] Adding typify v0.3.0 (available: v0.5.0) [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] c6949cd452efe87ec9222a7c74e0ed818a96e3f7ba038bad2fd5949c92dbd406 [INFO] running `Command { std: "docker" "start" "-a" "c6949cd452efe87ec9222a7c74e0ed818a96e3f7ba038bad2fd5949c92dbd406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c6949cd452efe87ec9222a7c74e0ed818a96e3f7ba038bad2fd5949c92dbd406", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6949cd452efe87ec9222a7c74e0ed818a96e3f7ba038bad2fd5949c92dbd406", kill_on_drop: false }` [INFO] [stdout] c6949cd452efe87ec9222a7c74e0ed818a96e3f7ba038bad2fd5949c92dbd406 [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] d09bc588708abea5aad868c058d2ae21fc0482b6d653326cf2ab17a1d36f21f8 [INFO] running `Command { std: "docker" "start" "-a" "d09bc588708abea5aad868c058d2ae21fc0482b6d653326cf2ab17a1d36f21f8", kill_on_drop: false }` [INFO] [stderr] Checking hashbrown v0.16.0 [INFO] [stderr] Compiling serde_derive v1.0.228 [INFO] [stderr] Checking regress v0.10.5 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking mnx-rs v0.0.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:345:72 [INFO] [stdout] | [INFO] [stdout] 345 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 346 | | Ok(Self(value.to_string())) [INFO] [stdout] 347 | | } [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 [INFO] [stdout] --> src/mnx.rs:346:9 [INFO] [stdout] | [INFO] [stdout] 346 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:2346:72 [INFO] [stdout] | [INFO] [stdout] 2346 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 2347 | | Ok(Self(value.to_string())) [INFO] [stdout] 2348 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:2347:9 [INFO] [stdout] | [INFO] [stdout] 2347 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:6320:72 [INFO] [stdout] | [INFO] [stdout] 6320 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 6321 | | Ok(Self(value.to_string())) [INFO] [stdout] 6322 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:6321:9 [INFO] [stdout] | [INFO] [stdout] 6321 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7225:72 [INFO] [stdout] | [INFO] [stdout] 7225 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7226 | | Ok(Self(value.to_string())) [INFO] [stdout] 7227 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7226:9 [INFO] [stdout] | [INFO] [stdout] 7226 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7280:72 [INFO] [stdout] | [INFO] [stdout] 7280 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7281 | | Ok(Self(value.to_string())) [INFO] [stdout] 7282 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7281:9 [INFO] [stdout] | [INFO] [stdout] 7281 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7335:72 [INFO] [stdout] | [INFO] [stdout] 7335 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7336 | | Ok(Self(value.to_string())) [INFO] [stdout] 7337 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7336:9 [INFO] [stdout] | [INFO] [stdout] 7336 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7390:72 [INFO] [stdout] | [INFO] [stdout] 7390 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7391 | | Ok(Self(value.to_string())) [INFO] [stdout] 7392 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7391:9 [INFO] [stdout] | [INFO] [stdout] 7391 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7738:72 [INFO] [stdout] | [INFO] [stdout] 7738 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7739 | | Ok(Self(value.to_string())) [INFO] [stdout] 7740 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7739:9 [INFO] [stdout] | [INFO] [stdout] 7739 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7793:72 [INFO] [stdout] | [INFO] [stdout] 7793 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7794 | | Ok(Self(value.to_string())) [INFO] [stdout] 7795 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7794:9 [INFO] [stdout] | [INFO] [stdout] 7794 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:8305:72 [INFO] [stdout] | [INFO] [stdout] 8305 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 8306 | | Ok(Self(value.to_string())) [INFO] [stdout] 8307 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:8306:9 [INFO] [stdout] | [INFO] [stdout] 8306 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mnx-rs` (lib) due to 20 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 [INFO] [stdout] --> src/mnx.rs:345:72 [INFO] [stdout] | [INFO] [stdout] 345 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 346 | | Ok(Self(value.to_string())) [INFO] [stdout] 347 | | } [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 [INFO] [stdout] --> src/mnx.rs:346:9 [INFO] [stdout] | [INFO] [stdout] 346 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:2346:72 [INFO] [stdout] | [INFO] [stdout] 2346 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 2347 | | Ok(Self(value.to_string())) [INFO] [stdout] 2348 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:2347:9 [INFO] [stdout] | [INFO] [stdout] 2347 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:6320:72 [INFO] [stdout] | [INFO] [stdout] 6320 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 6321 | | Ok(Self(value.to_string())) [INFO] [stdout] 6322 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:6321:9 [INFO] [stdout] | [INFO] [stdout] 6321 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7225:72 [INFO] [stdout] | [INFO] [stdout] 7225 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7226 | | Ok(Self(value.to_string())) [INFO] [stdout] 7227 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7226:9 [INFO] [stdout] | [INFO] [stdout] 7226 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7280:72 [INFO] [stdout] | [INFO] [stdout] 7280 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7281 | | Ok(Self(value.to_string())) [INFO] [stdout] 7282 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7281:9 [INFO] [stdout] | [INFO] [stdout] 7281 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7335:72 [INFO] [stdout] | [INFO] [stdout] 7335 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7336 | | Ok(Self(value.to_string())) [INFO] [stdout] 7337 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7336:9 [INFO] [stdout] | [INFO] [stdout] 7336 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7390:72 [INFO] [stdout] | [INFO] [stdout] 7390 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7391 | | Ok(Self(value.to_string())) [INFO] [stdout] 7392 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7391:9 [INFO] [stdout] | [INFO] [stdout] 7391 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7738:72 [INFO] [stdout] | [INFO] [stdout] 7738 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7739 | | Ok(Self(value.to_string())) [INFO] [stdout] 7740 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7739:9 [INFO] [stdout] | [INFO] [stdout] 7739 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7793:72 [INFO] [stdout] | [INFO] [stdout] 7793 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 7794 | | Ok(Self(value.to_string())) [INFO] [stdout] 7795 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:7794:9 [INFO] [stdout] | [INFO] [stdout] 7794 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:8305:72 [INFO] [stdout] | [INFO] [stdout] 8305 | fn from_str(value: &str) -> ::std::result::Result { [INFO] [stdout] | ________________________________________________________________________^ [INFO] [stdout] 8306 | | Ok(Self(value.to_string())) [INFO] [stdout] 8307 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/mnx.rs:8306:9 [INFO] [stdout] | [INFO] [stdout] 8306 | Ok(Self(value.to_string())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mnx-rs` (lib test) due to 20 previous errors [INFO] running `Command { std: "docker" "inspect" "d09bc588708abea5aad868c058d2ae21fc0482b6d653326cf2ab17a1d36f21f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d09bc588708abea5aad868c058d2ae21fc0482b6d653326cf2ab17a1d36f21f8", kill_on_drop: false }` [INFO] [stdout] d09bc588708abea5aad868c058d2ae21fc0482b6d653326cf2ab17a1d36f21f8