[INFO] fetching crate proper 0.1.5... [INFO] testing proper-0.1.5 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] extracting crate proper 0.1.5 into /workspace/builds/worker-6-tc1/source [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-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate proper 0.1.5 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 4 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.104) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 005f13abf716eea2b1a289f0727ae0801b3564351502c2485d45dbce7ec70fd8 [INFO] running `Command { std: "docker" "start" "-a" "005f13abf716eea2b1a289f0727ae0801b3564351502c2485d45dbce7ec70fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "005f13abf716eea2b1a289f0727ae0801b3564351502c2485d45dbce7ec70fd8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "005f13abf716eea2b1a289f0727ae0801b3564351502c2485d45dbce7ec70fd8", kill_on_drop: false }` [INFO] [stdout] 005f13abf716eea2b1a289f0727ae0801b3564351502c2485d45dbce7ec70fd8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 5d5576c5f4d3b20c2f4afbba01cf9a32a87608220387430ed90a2b8c244d87d9 [INFO] running `Command { std: "docker" "start" "-a" "5d5576c5f4d3b20c2f4afbba01cf9a32a87608220387430ed90a2b8c244d87d9", 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: field `err_ctor` is never read [INFO] [stdout] --> src/attr.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PrimAttrs { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 6 | pub min_ty: Option, [INFO] [stdout] 7 | pub err_ctor: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `Command { std: "docker" "inspect" "5d5576c5f4d3b20c2f4afbba01cf9a32a87608220387430ed90a2b8c244d87d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d5576c5f4d3b20c2f4afbba01cf9a32a87608220387430ed90a2b8c244d87d9", kill_on_drop: false }` [INFO] [stdout] 5d5576c5f4d3b20c2f4afbba01cf9a32a87608220387430ed90a2b8c244d87d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] fd52d088611d24f781f58dfce217375dec49c6e1fa810a27a499e0cecdab24fd [INFO] running `Command { std: "docker" "start" "-a" "fd52d088611d24f781f58dfce217375dec49c6e1fa810a27a499e0cecdab24fd", 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: field `err_ctor` is never read [INFO] [stdout] --> src/attr.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PrimAttrs { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 6 | pub min_ty: Option, [INFO] [stdout] 7 | pub err_ctor: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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: field `err_ctor` is never read [INFO] [stdout] --> src/attr.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 5 | pub struct PrimAttrs { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 6 | pub min_ty: Option, [INFO] [stdout] 7 | pub err_ctor: Option, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "fd52d088611d24f781f58dfce217375dec49c6e1fa810a27a499e0cecdab24fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd52d088611d24f781f58dfce217375dec49c6e1fa810a27a499e0cecdab24fd", kill_on_drop: false }` [INFO] [stdout] fd52d088611d24f781f58dfce217375dec49c6e1fa810a27a499e0cecdab24fd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] d17e16096cc18a123250d86900520c3bf5f9b36be6abb29c0d765d59c4e167cd [INFO] running `Command { std: "docker" "start" "-a" "d17e16096cc18a123250d86900520c3bf5f9b36be6abb29c0d765d59c4e167cd", kill_on_drop: false }` [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: field `err_ctor` is never read [INFO] [stderr] --> src/attr.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 5 | pub struct PrimAttrs { [INFO] [stderr] | --------- field in this struct [INFO] [stderr] 6 | pub min_ty: Option, [INFO] [stderr] 7 | pub err_ctor: Option, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `proper` (lib) generated 2 warnings [INFO] [stderr] warning: `proper` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/proper-dd6fba8bc40d1efc) [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; finished in 0.00s [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[E0277]: the trait bound `u16: From` is not satisfied [INFO] [stdout] --> src/lib.rs:61:20 [INFO] [stdout] | [INFO] [stdout] 9 | let prim: u16 = fd.into(); // won't compile! [INFO] [stdout] | ^^^^ the trait `From` is not implemented for `u16` [INFO] [stdout] | [INFO] [stdout] = help: the following other types implement trait `From`: [INFO] [stdout] `u16` implements `From` [INFO] [stdout] `u16` implements `From` [INFO] [stdout] `u16` implements `From` [INFO] [stdout] = note: required for `FileDescriptor` to implement `Into` [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - (line 16) stdout ---- [INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `FromResidual`) [INFO] [stdout] --> src/lib.rs:34:34 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 20 | let e_u8 = EnumU8::try_from(42u8)?; [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() -> Result<(), Box> { [INFO] [stdout] 5 | use std::convert::TryFrom; [INFO] [stdout] ... [INFO] [stdout] 25 | let prim = e_u16 as u8; [INFO] [stdout] 26 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `EnumU8: TryFrom` is not satisfied [INFO] [stdout] --> src/lib.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 21 | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | ^^^^^^ the trait `From` is not implemented for `EnumU8` [INFO] [stdout] | [INFO] [stdout] = help: the trait `TryFrom` is not implemented for `EnumU8` [INFO] [stdout] but trait `TryFrom` is implemented for it [INFO] [stdout] = help: for that trait implementation, expected `u8`, found `u16` [INFO] [stdout] = note: required for `u16` to implement `Into` [INFO] [stdout] = note: required for `EnumU8` to implement `TryFrom` [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:35:35 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 21 | 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] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() -> Result<(), Box> { [INFO] [stdout] 5 | use std::convert::TryFrom; [INFO] [stdout] ... [INFO] [stdout] 25 | let prim = e_u16 as u8; [INFO] [stdout] 26 + Ok(()) [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 `FromResidual`) [INFO] [stdout] --> src/lib.rs:36:37 [INFO] [stdout] | [INFO] [stdout] 4 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() { [INFO] [stdout] | ---------------------------------- this function should return `Result` or `Option` to accept `?` [INFO] [stdout] ... [INFO] [stdout] 22 | let e_u16 = EnumU16::try_from(42u16)?; // compiles! [INFO] [stdout] | ^ cannot use the `?` operator in a function that returns `()` [INFO] [stdout] | [INFO] [stdout] help: consider adding return type [INFO] [stdout] | [INFO] [stdout] 4 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_16_0() -> Result<(), Box> { [INFO] [stdout] 5 | use std::convert::TryFrom; [INFO] [stdout] ... [INFO] [stdout] 25 | let prim = e_u16 as u8; [INFO] [stdout] 26 + Ok(()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `EnumU8: From` is not satisfied [INFO] [stdout] --> src/lib.rs:35:12 [INFO] [stdout] | [INFO] [stdout] 21 | let e_u8 = EnumU8::try_from(42u16)?; // won't compile! [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ the trait `From` is not implemented for `EnumU8` [INFO] [stdout] | [INFO] [stdout] = help: the trait `TryFrom` is not implemented for `EnumU8` [INFO] [stdout] but trait `TryFrom` is implemented for it [INFO] [stdout] = help: for that trait implementation, expected `u8`, found `u16` [INFO] [stdout] = note: required for `u16` to implement `Into` [INFO] [stdout] = note: required for `EnumU8` to implement `TryFrom` [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this 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; finished in 0.16s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "d17e16096cc18a123250d86900520c3bf5f9b36be6abb29c0d765d59c4e167cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d17e16096cc18a123250d86900520c3bf5f9b36be6abb29c0d765d59c4e167cd", kill_on_drop: false }` [INFO] [stdout] d17e16096cc18a123250d86900520c3bf5f9b36be6abb29c0d765d59c4e167cd