[INFO] fetching crate exhaustive 0.2.1...
[INFO] testing exhaustive-0.2.1 against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] extracting crate exhaustive 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate exhaustive 0.2.1 on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exhaustive 0.2.1
[INFO] finished tweaking crates.io crate exhaustive 0.2.1
[INFO] tweaked toml for crates.io crate exhaustive 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded exhaustive_macros v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76d9bcfd92ccbc321974acb23882126cffdedd489849da721ab5e063922c9236
[INFO] running `Command { std: "docker" "start" "-a" "76d9bcfd92ccbc321974acb23882126cffdedd489849da721ab5e063922c9236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76d9bcfd92ccbc321974acb23882126cffdedd489849da721ab5e063922c9236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76d9bcfd92ccbc321974acb23882126cffdedd489849da721ab5e063922c9236", kill_on_drop: false }`
[INFO] [stdout] 76d9bcfd92ccbc321974acb23882126cffdedd489849da721ab5e063922c9236
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb675e5a4ae338319ec89779723b4602327ac950dc37feefc04b9b71c05920e0
[INFO] running `Command { std: "docker" "start" "-a" "eb675e5a4ae338319ec89779723b4602327ac950dc37feefc04b9b71c05920e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling exhaustive_macros v0.2.1
[INFO] [stderr]    Compiling exhaustive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "eb675e5a4ae338319ec89779723b4602327ac950dc37feefc04b9b71c05920e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb675e5a4ae338319ec89779723b4602327ac950dc37feefc04b9b71c05920e0", kill_on_drop: false }`
[INFO] [stdout] eb675e5a4ae338319ec89779723b4602327ac950dc37feefc04b9b71c05920e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e24c5a7a6a5495b2558d9c9cc96d22ad2f124510fdeaf9b2d888548a2390263
[INFO] running `Command { std: "docker" "start" "-a" "2e24c5a7a6a5495b2558d9c9cc96d22ad2f124510fdeaf9b2d888548a2390263", kill_on_drop: false }`
[INFO] [stderr]    Compiling exhaustive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "2e24c5a7a6a5495b2558d9c9cc96d22ad2f124510fdeaf9b2d888548a2390263", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e24c5a7a6a5495b2558d9c9cc96d22ad2f124510fdeaf9b2d888548a2390263", kill_on_drop: false }`
[INFO] [stdout] 2e24c5a7a6a5495b2558d9c9cc96d22ad2f124510fdeaf9b2d888548a2390263
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 408c8ca45a6c322e117de824b0e8f44dc896c6350103888e043da819bac6ab61
[INFO] running `Command { std: "docker" "start" "-a" "408c8ca45a6c322e117de824b0e8f44dc896c6350103888e043da819bac6ab61", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exhaustive-5a13553b9be8c21c)
[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]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-d5c76f50751d7970)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_vec_bool ... ok
[INFO] [stdout] test test_vec_unit ... ok
[INFO] [stdout] test test_larger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exhaustive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 62) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 68) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error: expected statement after outer attribute
[INFO] [stdout]  --> src/lib.rs:41:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[exhaustive_test(20)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 82) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:84:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iter_exhaustive(max_choices: Option<usize>) -> impl Iterator<Item=Self>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                                           |
[INFO] [stdout]   |                                                                           help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error[E0411]: cannot find type `Self` in this scope
[INFO] [stdout]  --> src/lib.rs:84:70
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iter_exhaustive(max_choices: Option<usize>) -> impl Iterator<Item=Self>;
[INFO] [stdout]   |    --------------- `Self` not allowed in a function                  ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0411`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 62) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `DataSourceTaker` in this scope
[INFO] [stdout]  --> src/lib.rs:64:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self>;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::DataSourceTaker;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:64:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self>;
[INFO] [stdout]   |                                             ^^^^^^ ---- supplied 1 generic argument
[INFO] [stdout]   |                                             |
[INFO] [stdout]   |                                             expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self, E>;
[INFO] [stdout]   |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 68) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:69:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                    |
[INFO] [stdout]   |                                                    help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]  --> src/lib.rs:69:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   |           ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]   |
[INFO] [stdout]   = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:70:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                                       |
[INFO] [stdout]   |                                                                       help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]  --> src/lib.rs:70:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |                           ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]   |
[INFO] [stdout]   = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:70:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |               ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DataSourceTakerIter` in this scope
[INFO] [stdout]  --> src/lib.rs:70:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::DataSourceTakerIter;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:69:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   |                                       ^^^^^^ ----- supplied 1 generic argument
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize, E>;
[INFO] [stdout]   |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error: cannot find attribute `exhaustive_test` in this scope
[INFO] [stdout]   --> src/lib.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[exhaustive_test]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 2  + use exhaustive::exhaustive_test;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use exhaustive_macros::exhaustive_test;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:18:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Exhaustive)]
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive_macros::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:16:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Exhaustive)]
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive_macros::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout]     src/lib.rs - (line 62)
[INFO] [stdout]     src/lib.rs - (line 68)
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "408c8ca45a6c322e117de824b0e8f44dc896c6350103888e043da819bac6ab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "408c8ca45a6c322e117de824b0e8f44dc896c6350103888e043da819bac6ab61", kill_on_drop: false }`
[INFO] [stdout] 408c8ca45a6c322e117de824b0e8f44dc896c6350103888e043da819bac6ab61
[INFO] testing exhaustive-0.2.1 against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] extracting crate exhaustive 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate exhaustive 0.2.1 on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate exhaustive 0.2.1
[INFO] finished tweaking crates.io crate exhaustive 0.2.1
[INFO] tweaked toml for crates.io crate exhaustive 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4f1d75837e60c2adc3d8efa99820709addd094cb8d03a3e8b6347ecf04f3da6c
[INFO] running `Command { std: "docker" "start" "-a" "4f1d75837e60c2adc3d8efa99820709addd094cb8d03a3e8b6347ecf04f3da6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f1d75837e60c2adc3d8efa99820709addd094cb8d03a3e8b6347ecf04f3da6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f1d75837e60c2adc3d8efa99820709addd094cb8d03a3e8b6347ecf04f3da6c", kill_on_drop: false }`
[INFO] [stdout] 4f1d75837e60c2adc3d8efa99820709addd094cb8d03a3e8b6347ecf04f3da6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 651906ad35bbf8a7cddfaa607a66396b1546457837fba9b64761ada09b7f8415
[INFO] running `Command { std: "docker" "start" "-a" "651906ad35bbf8a7cddfaa607a66396b1546457837fba9b64761ada09b7f8415", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.66
[INFO] [stderr]    Compiling exhaustive_macros v0.2.1
[INFO] [stderr]    Compiling exhaustive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.81s
[INFO] running `Command { std: "docker" "inspect" "651906ad35bbf8a7cddfaa607a66396b1546457837fba9b64761ada09b7f8415", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "651906ad35bbf8a7cddfaa607a66396b1546457837fba9b64761ada09b7f8415", kill_on_drop: false }`
[INFO] [stdout] 651906ad35bbf8a7cddfaa607a66396b1546457837fba9b64761ada09b7f8415
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ccd53984a9803ef9b14a9db072c00c5fd41829e4312648e21e083bcf6d8e29
[INFO] running `Command { std: "docker" "start" "-a" "f4ccd53984a9803ef9b14a9db072c00c5fd41829e4312648e21e083bcf6d8e29", kill_on_drop: false }`
[INFO] [stderr]    Compiling exhaustive v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "f4ccd53984a9803ef9b14a9db072c00c5fd41829e4312648e21e083bcf6d8e29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ccd53984a9803ef9b14a9db072c00c5fd41829e4312648e21e083bcf6d8e29", kill_on_drop: false }`
[INFO] [stdout] f4ccd53984a9803ef9b14a9db072c00c5fd41829e4312648e21e083bcf6d8e29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2ffeaa41717bf74e2cc0c7c88679ea39b98b9df7ec8beefc1c65e037c7c31a02
[INFO] running `Command { std: "docker" "start" "-a" "2ffeaa41717bf74e2cc0c7c88679ea39b98b9df7ec8beefc1c65e037c7c31a02", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/exhaustive-5a13553b9be8c21c)
[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]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-d5c76f50751d7970)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_bool ... ok
[INFO] [stdout] test test_vec_bool ... ok
[INFO] [stdout] test test_vec_unit ... ok
[INFO] [stdout] test test_larger ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests exhaustive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 82) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 39) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 62) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 68) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 82) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:84:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iter_exhaustive(max_choices: Option<usize>) -> impl Iterator<Item=Self>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                                           |
[INFO] [stdout]   |                                                                           help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error[E0411]: cannot find type `Self` in this scope
[INFO] [stdout]  --> src/lib.rs:84:70
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn iter_exhaustive(max_choices: Option<usize>) -> impl Iterator<Item=Self>;
[INFO] [stdout]   |    --------------- `Self` not allowed in a function                  ^^^^ `Self` is only available in impls, traits, and type definitions
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0411`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 39) stdout ----
[INFO] [stdout] error: expected statement after outer attribute
[INFO] [stdout]  --> src/lib.rs:41:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[exhaustive_test(20)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 62) stdout ----
[INFO] [stdout] error[E0412]: cannot find type `DataSourceTaker` in this scope
[INFO] [stdout]  --> src/lib.rs:64:25
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self>;
[INFO] [stdout]   |                         ^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::DataSourceTaker;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:64:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self>;
[INFO] [stdout]   |                                             ^^^^^^ ---- supplied 1 generic argument
[INFO] [stdout]   |                                             |
[INFO] [stdout]   |                                             expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 4 |     fn generate(u: &mut DataSourceTaker) -> Result<Self, E>;
[INFO] [stdout]   |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 68) stdout ----
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:69:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                    |
[INFO] [stdout]   |                                                    help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]  --> src/lib.rs:69:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   |           ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]   |
[INFO] [stdout]   = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error: free function without a body
[INFO] [stdout]  --> src/lib.rs:70:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]   |                                                                       |
[INFO] [stdout]   |                                                                       help: provide a definition for the function: `{ <body> }`
[INFO] [stdout] 
[INFO] [stdout] error: `self` parameter is only allowed in associated functions
[INFO] [stdout]  --> src/lib.rs:70:27
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |                           ^^^^^^^^^ not semantically valid as function parameter
[INFO] [stdout]   |
[INFO] [stdout]   = note: associated functions are those in `impl` or `trait` definitions
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:70:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |               ^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `DataSourceTakerIter` in this scope
[INFO] [stdout]  --> src/lib.rs:70:48
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn iter_of<T: Exhaustive>(&mut self) -> Result<DataSourceTakerIter<T>>;
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::DataSourceTakerIter;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: enum takes 2 generic arguments but 1 generic argument was supplied
[INFO] [stdout]  --> src/lib.rs:69:39
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize>;
[INFO] [stdout]   |                                       ^^^^^^ ----- supplied 1 generic argument
[INFO] [stdout]   |                                       |
[INFO] [stdout]   |                                       expected 2 generic arguments
[INFO] [stdout]   |
[INFO] [stdout] help: add missing generic argument
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn choice(&mut self, range: usize) -> Result<usize, E>;
[INFO] [stdout]   |                                                   +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0405, E0412.
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error: cannot find attribute `exhaustive_test` in this scope
[INFO] [stdout]   --> src/lib.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[exhaustive_test]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 2  + use exhaustive::exhaustive_test;
[INFO] [stdout]    |
[INFO] [stdout] 2  + use exhaustive_macros::exhaustive_test;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:18:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[derive(Debug, Exhaustive)]
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive_macros::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Exhaustive` in this scope
[INFO] [stdout]  --> src/lib.rs:16:17
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[derive(Debug, Exhaustive)]
[INFO] [stdout]   |                 ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use exhaustive_macros::Exhaustive;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout]     src/lib.rs - (line 39)
[INFO] [stdout]     src/lib.rs - (line 62)
[INFO] [stdout]     src/lib.rs - (line 68)
[INFO] [stdout]     src/lib.rs - (line 82)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "2ffeaa41717bf74e2cc0c7c88679ea39b98b9df7ec8beefc1c65e037c7c31a02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ffeaa41717bf74e2cc0c7c88679ea39b98b9df7ec8beefc1c65e037c7c31a02", kill_on_drop: false }`
[INFO] [stdout] 2ffeaa41717bf74e2cc0c7c88679ea39b98b9df7ec8beefc1c65e037c7c31a02
