[INFO] crate proper 0.1.5 is already in cache [INFO] testing proper-0.1.5 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate proper 0.1.5 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate proper 0.1.5 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate proper 0.1.5 [INFO] finished tweaking crates.io crate proper 0.1.5 [INFO] tweaked toml for crates.io crate proper 0.1.5 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a579893c54d7ec05c5319692e9a6efdf19da59c87c96b63db01648e0c2bf75a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0a579893c54d7ec05c5319692e9a6efdf19da59c87c96b63db01648e0c2bf75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a579893c54d7ec05c5319692e9a6efdf19da59c87c96b63db01648e0c2bf75a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a579893c54d7ec05c5319692e9a6efdf19da59c87c96b63db01648e0c2bf75a", kill_on_drop: false }` [INFO] [stdout] 0a579893c54d7ec05c5319692e9a6efdf19da59c87c96b63db01648e0c2bf75a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22ea11245bfa447bec334ecb64e1abb1f789171a38a8bc1b3445a7974e8c34c3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "22ea11245bfa447bec334ecb64e1abb1f789171a38a8bc1b3445a7974e8c34c3", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling proper v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.31s [INFO] running `Command { std: "docker" "inspect" "22ea11245bfa447bec334ecb64e1abb1f789171a38a8bc1b3445a7974e8c34c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22ea11245bfa447bec334ecb64e1abb1f789171a38a8bc1b3445a7974e8c34c3", kill_on_drop: false }` [INFO] [stdout] 22ea11245bfa447bec334ecb64e1abb1f789171a38a8bc1b3445a7974e8c34c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f88cfc520a5dadca77630a7ccd89d3f3a10b8ba9e378a9af4f9d93548fdcedd6 [INFO] running `Command { std: "docker" "start" "-a" "f88cfc520a5dadca77630a7ccd89d3f3a10b8ba9e378a9af4f9d93548fdcedd6", kill_on_drop: false }` [INFO] [stderr] Compiling proper v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:66:12 [INFO] [stdout] | [INFO] [stdout] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.53s [INFO] running `Command { std: "docker" "inspect" "f88cfc520a5dadca77630a7ccd89d3f3a10b8ba9e378a9af4f9d93548fdcedd6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f88cfc520a5dadca77630a7ccd89d3f3a10b8ba9e378a9af4f9d93548fdcedd6", kill_on_drop: false }` [INFO] [stdout] f88cfc520a5dadca77630a7ccd89d3f3a10b8ba9e378a9af4f9d93548fdcedd6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 71b2f5d111e02471e460ff363f287d36454cee8449c949c20757ee57a816e6ca [INFO] running `Command { std: "docker" "start" "-a" "71b2f5d111e02471e460ff363f287d36454cee8449c949c20757ee57a816e6ca", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: the feature `bind_by_move_pattern_guards` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:66:12 [INFO] [stderr] | [INFO] [stderr] 66 | #![feature(bind_by_move_pattern_guards, proc_macro_diagnostic, proc_macro_span)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/proper-e9a880cc0a1d1194 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests proper [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 54) ... FAILED [INFO] [stdout] test src/lib.rs - (line 16) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 54) stdout ---- [INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root [INFO] [stdout] --> src/lib.rs:56:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate proper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `u16: std::convert::From` is not satisfied [INFO] [stdout] --> src/lib.rs:62:20 [INFO] [stdout] | [INFO] [stdout] 10 | let prim: u16 = fd.into(); // won't compile! [INFO] [stdout] | ^^^^ the trait `std::convert::From` is not implemented for `u16` [INFO] [stdout] | [INFO] [stdout] = help: the following implementations were found: [INFO] [stdout] > [INFO] [stdout] > [INFO] [stdout] > [INFO] [stdout] = note: required because of the requirements on the impl of `std::convert::Into` for `main::FileDescriptor` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0468. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error[E0468]: an `extern crate` loading macros must be at the crate root [INFO] [stdout] --> src/lib.rs:18:1 [INFO] [stdout] | [INFO] [stdout] 4 | extern crate proper; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 2 | / fn main() { [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 21 | | let e_u8 = EnumU8::try_from(42u8)?; [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `main::EnumU8: std::convert::From` is not satisfied [INFO] [stdout] --> src/lib.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 22 | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | ^^^^^^^^^^^^^^^^ the trait `std::convert::From` is not implemented for `main::EnumU8` [INFO] [stdout] | [INFO] [stdout] = note: required because of the requirements on the impl of `std::convert::Into` for `u16` [INFO] [stdout] = note: required because of the requirements on the impl of `std::convert::TryFrom` for `main::EnumU8` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:36:12 [INFO] [stdout] | [INFO] [stdout] 2 | / fn main() { [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 22 | | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`) [INFO] [stdout] --> src/lib.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 2 | / fn main() { [INFO] [stdout] 3 | | #[macro_use] [INFO] [stdout] 4 | | extern crate proper; [INFO] [stdout] 5 | | [INFO] [stdout] ... | [INFO] [stdout] 23 | | let e_u16 = EnumU16::try_from(42u16)?; // compiles! [INFO] [stdout] | | ^^^^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] ... | [INFO] [stdout] 26 | | let prim = e_u16 as u8; [INFO] [stdout] 27 | | } [INFO] [stdout] | |_- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] | [INFO] [stdout] = help: the trait `std::ops::Try` is not implemented for `()` [INFO] [stdout] = note: required by `std::ops::Try::from_error` [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0277, E0468. [INFO] [stdout] For more information about an error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 16) [INFO] [stdout] src/lib.rs - (line 54) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "71b2f5d111e02471e460ff363f287d36454cee8449c949c20757ee57a816e6ca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "71b2f5d111e02471e460ff363f287d36454cee8449c949c20757ee57a816e6ca", kill_on_drop: false }` [INFO] [stdout] 71b2f5d111e02471e460ff363f287d36454cee8449c949c20757ee57a816e6ca