[INFO] fetching crate h2s_core 0.18.0... [INFO] checking h2s_core-0.18.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate h2s_core 0.18.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate h2s_core 0.18.0 [INFO] finished tweaking crates.io crate h2s_core 0.18.0 [INFO] tweaked toml for crates.io crate h2s_core 0.18.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate h2s_core 0.18.0 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] 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] 64566cfc96fac205ae58616916f7d2708d1cb7a432e4ac9486b543d352c3423f [INFO] running `Command { std: "docker" "start" "-a" "64566cfc96fac205ae58616916f7d2708d1cb7a432e4ac9486b543d352c3423f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64566cfc96fac205ae58616916f7d2708d1cb7a432e4ac9486b543d352c3423f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64566cfc96fac205ae58616916f7d2708d1cb7a432e4ac9486b543d352c3423f", kill_on_drop: false }` [INFO] [stdout] 64566cfc96fac205ae58616916f7d2708d1cb7a432e4ac9486b543d352c3423f [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] 2868b60fcf99bf8d7297dc394a13bc297bcb45773bb576071eca9fd6b281d7b3 [INFO] running `Command { std: "docker" "start" "-a" "2868b60fcf99bf8d7297dc394a13bc297bcb45773bb576071eca9fd6b281d7b3", kill_on_drop: false }` [INFO] [stderr] Checking h2s_core v0.18.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `h2s_core` (lib) due to 8 previous errors [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction_method.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / { [INFO] [stdout] 39 | | Ok(element.text_contents()) [INFO] [stdout] 40 | | } [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [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/extraction_method.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | Ok(element.text_contents()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/extraction_method.rs:38:5 [INFO] [stdout] | [INFO] [stdout] 38 | / { [INFO] [stdout] 39 | | Ok(element.text_contents()) [INFO] [stdout] 40 | | } [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/extraction_method.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | Ok(element.text_contents()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:31:90 [INFO] [stdout] | [INFO] [stdout] 31 | fn parse(input: String) -> Result { [INFO] [stdout] | __________________________________________________________________________________________^ [INFO] [stdout] 32 | | input.parse() [INFO] [stdout] 33 | | } [INFO] [stdout] | |_____________________^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/parseable.rs:32:25 [INFO] [stdout] | [INFO] [stdout] 32 | input.parse() [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | / impl_parseable!( [INFO] [stdout] 40 | | String, [INFO] [stdout] 41 | | // primitives [INFO] [stdout] 42 | | bool, [INFO] [stdout] ... | [INFO] [stdout] 79 | | std::ffi::OsString [INFO] [stdout] 80 | | ); [INFO] [stdout] | |_- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `impl_parseable` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:80:13 [INFO] [stdout] | [INFO] [stdout] 80 | ExactlyOne::try_transform_from(ExactlyOne(0)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:81:13 [INFO] [stdout] | [INFO] [stdout] 81 | Ok(ExactlyOne(0)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / assert_eq!( [INFO] [stdout] 80 | | ExactlyOne::try_transform_from(ExactlyOne(0)), [INFO] [stdout] 81 | | Ok(ExactlyOne(0)) [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / assert_eq!( [INFO] [stdout] 80 | | ExactlyOne::try_transform_from(ExactlyOne(0)), [INFO] [stdout] 81 | | Ok(ExactlyOne(0)) [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / assert_eq!( [INFO] [stdout] 80 | | ExactlyOne::try_transform_from(ExactlyOne(0)), [INFO] [stdout] 81 | | Ok(ExactlyOne(0)) [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Never> [INFO] [stdout] --> src/transformable.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | / assert_eq!( [INFO] [stdout] 80 | | ExactlyOne::try_transform_from(ExactlyOne(0)), [INFO] [stdout] 81 | | Ok(ExactlyOne(0)) [INFO] [stdout] 82 | | ); [INFO] [stdout] | |_________^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `h2s_core` (lib test) due to 14 previous errors [INFO] running `Command { std: "docker" "inspect" "2868b60fcf99bf8d7297dc394a13bc297bcb45773bb576071eca9fd6b281d7b3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2868b60fcf99bf8d7297dc394a13bc297bcb45773bb576071eca9fd6b281d7b3", kill_on_drop: false }` [INFO] [stdout] 2868b60fcf99bf8d7297dc394a13bc297bcb45773bb576071eca9fd6b281d7b3