[INFO] cloning repository https://github.com/micouy/dodo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/micouy/dodo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b960be855efe89c34f13bdd0532ca6e2145db46b
[INFO] checking micouy/dodo against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmicouy%2Fdodo" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/micouy/dodo
[INFO] finished tweaking git repo https://github.com/micouy/dodo
[INFO] tweaked toml for git repo https://github.com/micouy/dodo written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/micouy/dodo on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/micouy/dodo 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctor v0.1.15
[INFO] [stderr]   Downloaded pretty_assertions v0.6.1
[INFO] [stderr]   Downloaded output_vt100 v0.1.2
[INFO] [stderr]   Downloaded dynfmt v0.1.4
[INFO] [stderr]   Downloaded derive-enum-error v0.0.1
[INFO] [stderr]   Downloaded daggy v0.7.0
[INFO] [stderr]   Downloaded syn v1.0.35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641
[INFO] running `Command { std: "docker" "start" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling derive-enum-error v0.0.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking twox-hash v1.5.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking daggy v0.7.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking dynfmt v0.1.4
[INFO] [stderr]     Checking dodo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0422]: cannot find struct, variant or union type `Task` in this scope
[INFO] [stdout]    --> src/deps.rs:301:32
[INFO] [stdout]     |
[INFO] [stdout] 301 |         let task = |cmd: &str| Task {
[INFO] [stdout]     |                                ^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout] 293 +     use crate::target::Task;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `result_flattening` has been stable since 1.89.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(result_flattening)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/deps.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |             .collect::<Result<_>>()?;
[INFO] [stdout]    |              -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]    |
[INFO] [stdout]    = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout]    = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/deps.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .collect::<Result<_>>()?;
[INFO] [stdout]    |              -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]    |
[INFO] [stdout]    = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout]    = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/deps.rs:42:24
[INFO] [stdout]    |
[INFO] [stdout] 42 |             .collect::<Result<_>>()?;
[INFO] [stdout]    |              -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]    |
[INFO] [stdout]    = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout]    = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]   --> src/deps.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 |             .collect::<Result<_>>()?;
[INFO] [stdout]    |              -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]    |              |
[INFO] [stdout]    |              required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]    |
[INFO] [stdout]    = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]    = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]    = help: you might have intended to use the type `()` here instead
[INFO] [stdout]    = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]   --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> src/util.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |         .collect::<Result<_>>()?;
[INFO] [stdout]     |          -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |          |
[INFO] [stdout]     |          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> src/util.rs:157:20
[INFO] [stdout]     |
[INFO] [stdout] 157 |         .collect::<Result<_>>()?;
[INFO] [stdout]     |          -------   ^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |          |
[INFO] [stdout]     |          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `_: FromIterator<_>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `std::result::Result<!, error::Error>` to implement `FromIterator<std::result::Result<(), error::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/40527f3e444fde1deb361751bdef9b9e11d1b971/library/core/src/iter/traits/iterator.rs:2073:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0422.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dodo` (bin "dodo" test) due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dodo` (bin "dodo") due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641", kill_on_drop: false }`
[INFO] [stdout] d7b269425015d6dd46ed04b75c58a3f1912f48187a9745b2e285d887f8f26641
