[INFO] fetching crate resonite-core 0.2.1...
[INFO] testing resonite-core-0.2.1 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate resonite-core 0.2.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate resonite-core 0.2.1
[INFO] finished tweaking crates.io crate resonite-core 0.2.1
[INFO] tweaked toml for crates.io crate resonite-core 0.2.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate resonite-core 0.2.1 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate resonite-core 0.2.1 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9928622933f2ff2b89910fa14386d1a418376476b24ecf3e523e5a0b9f11984e
[INFO] running `Command { std: "docker" "start" "-a" "9928622933f2ff2b89910fa14386d1a418376476b24ecf3e523e5a0b9f11984e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9928622933f2ff2b89910fa14386d1a418376476b24ecf3e523e5a0b9f11984e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9928622933f2ff2b89910fa14386d1a418376476b24ecf3e523e5a0b9f11984e", kill_on_drop: false }`
[INFO] [stdout] 9928622933f2ff2b89910fa14386d1a418376476b24ecf3e523e5a0b9f11984e
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9bccad33593a9e96469d603d6c5240efe7bc51bef622025c123cb64c102461e
[INFO] running `Command { std: "docker" "start" "-a" "b9bccad33593a9e96469d603d6c5240efe7bc51bef622025c123cb64c102461e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling metamatch v0.3.0
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling resonite-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.68s
[INFO] running `Command { std: "docker" "inspect" "b9bccad33593a9e96469d603d6c5240efe7bc51bef622025c123cb64c102461e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9bccad33593a9e96469d603d6c5240efe7bc51bef622025c123cb64c102461e", kill_on_drop: false }`
[INFO] [stdout] b9bccad33593a9e96469d603d6c5240efe7bc51bef622025c123cb64c102461e
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9d7006f095b38673224c5058ef958f93611173f62cac44206229d618773777e
[INFO] running `Command { std: "docker" "start" "-a" "a9d7006f095b38673224c5058ef958f93611173f62cac44206229d618773777e", kill_on_drop: false }`
[INFO] [stderr]    Compiling resonite-core v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "a9d7006f095b38673224c5058ef958f93611173f62cac44206229d618773777e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9d7006f095b38673224c5058ef958f93611173f62cac44206229d618773777e", kill_on_drop: false }`
[INFO] [stdout] a9d7006f095b38673224c5058ef958f93611173f62cac44206229d618773777e
[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" "-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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bbdaec452fdd3fc486bfd66369f32e3af91c8395eb19facf6e94501f90e1f4ce
[INFO] running `Command { std: "docker" "start" "-a" "bbdaec452fdd3fc486bfd66369f32e3af91c8395eb19facf6e94501f90e1f4ce", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/resonite_core-5dc1034fdcf2e7ef)
[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 resonite_core
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/animation/mod.rs - animation::Animation::from_animx (line 55) ... FAILED
[INFO] [stdout] test src/animation/mod.rs - animation::Animation::write_animx (line 25) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/animation/mod.rs - animation::Animation::from_animx (line 55) stdout ----
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `BufReader`
[INFO] [stdout]   --> src/animation/mod.rs:59:14
[INFO] [stdout]    |
[INFO] [stdout] 59 | let reader = BufReader::new(/* AnimX */);
[INFO] [stdout]    |              ^^^^^^^^^ use of undeclared type `BufReader`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout] 54 + use std::io::BufReader;
[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/animation/mod.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_animation_mod_rs_55_0() {
[INFO] [stdout]    |                                      -------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 60 | let anim = Animation::from_animx(reader)?;
[INFO] [stdout]    |                                         ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 56 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_animation_mod_rs_55_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 57 | use resonite_core::animation::Animation;
[INFO] [stdout] ...
[INFO] [stdout] 60 | let anim = Animation::from_animx(reader)?;
[INFO] [stdout] 61 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/animation/mod.rs - animation::Animation::write_animx (line 25) stdout ----
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]     --> src/animation/mod.rs:29:23
[INFO] [stdout]      |
[INFO] [stdout]   29 | let anim: Animation = serde_json::from_str(/* AnimJ */)?;
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^------------- argument #1 of type `&str` is missing
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2697:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]      |
[INFO] [stdout]   29 - let anim: Animation = serde_json::from_str(/* AnimJ */)?;
[INFO] [stdout]   29 + let anim: Animation = serde_json::from_str(/* &str */)?;
[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/animation/mod.rs:29:56
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_animation_mod_rs_25_0() {
[INFO] [stdout]    |                                      -------------------------------------------- this function should return `Result` or `Option` to accept `?`
[INFO] [stdout] ...
[INFO] [stdout] 29 | let anim: Animation = serde_json::from_str(/* AnimJ */)?;
[INFO] [stdout]    |                                                        ^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding return type
[INFO] [stdout]    |
[INFO] [stdout] 26 ~ fn main() { #[allow(non_snake_case)] fn _doctest_main_src_animation_mod_rs_25_0() -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout] 27 | use resonite_core::animation::Animation;
[INFO] [stdout] ...
[INFO] [stdout] 31 | anim.write_animx(&mut buf);
[INFO] [stdout] 32 +     Ok(())
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/animation/mod.rs - animation::Animation::from_animx (line 55)
[INFO] [stdout]     src/animation/mod.rs - animation::Animation::write_animx (line 25)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.23s; merged doctests compilation took 0.11s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "bbdaec452fdd3fc486bfd66369f32e3af91c8395eb19facf6e94501f90e1f4ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbdaec452fdd3fc486bfd66369f32e3af91c8395eb19facf6e94501f90e1f4ce", kill_on_drop: false }`
[INFO] [stdout] bbdaec452fdd3fc486bfd66369f32e3af91c8395eb19facf6e94501f90e1f4ce