[INFO] fetching crate flexi_func 0.2.7...
[INFO] testing flexi_func-0.2.7 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate flexi_func 0.2.7 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate flexi_func 0.2.7
[INFO] finished tweaking crates.io crate flexi_func 0.2.7
[INFO] tweaked toml for crates.io crate flexi_func 0.2.7 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate flexi_func 0.2.7 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded flexi_func_declarative v0.2.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3749ba0d8d3e8e6c013e5abec00f301e2def197e5ed7dd88ea2aefadff45bf2
[INFO] running `Command { std: "docker" "start" "-a" "d3749ba0d8d3e8e6c013e5abec00f301e2def197e5ed7dd88ea2aefadff45bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3749ba0d8d3e8e6c013e5abec00f301e2def197e5ed7dd88ea2aefadff45bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3749ba0d8d3e8e6c013e5abec00f301e2def197e5ed7dd88ea2aefadff45bf2", kill_on_drop: false }`
[INFO] [stdout] d3749ba0d8d3e8e6c013e5abec00f301e2def197e5ed7dd88ea2aefadff45bf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acaa68694116df3e8769dd074c7904e9886b3a3ffcbc44d834ddffab34073b42
[INFO] running `Command { std: "docker" "start" "-a" "acaa68694116df3e8769dd074c7904e9886b3a3ffcbc44d834ddffab34073b42", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling flexi_func_declarative v0.2.7
[INFO] [stderr]    Compiling flexi_func v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.71s
[INFO] running `Command { std: "docker" "inspect" "acaa68694116df3e8769dd074c7904e9886b3a3ffcbc44d834ddffab34073b42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acaa68694116df3e8769dd074c7904e9886b3a3ffcbc44d834ddffab34073b42", kill_on_drop: false }`
[INFO] [stdout] acaa68694116df3e8769dd074c7904e9886b3a3ffcbc44d834ddffab34073b42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3e69f19943c0906a949f02c8510652bd099fe220ca1233a92bb997f39462b33
[INFO] running `Command { std: "docker" "start" "-a" "e3e69f19943c0906a949f02c8510652bd099fe220ca1233a92bb997f39462b33", kill_on_drop: false }`
[INFO] [stderr]    Compiling flexi_func v0.2.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "e3e69f19943c0906a949f02c8510652bd099fe220ca1233a92bb997f39462b33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e69f19943c0906a949f02c8510652bd099fe220ca1233a92bb997f39462b33", kill_on_drop: false }`
[INFO] [stdout] e3e69f19943c0906a949f02c8510652bd099fe220ca1233a92bb997f39462b33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 607605a47c7ed6755c345f891ae76b8659c1b6b4d2a65dfb266ca6840c565e79
[INFO] running `Command { std: "docker" "start" "-a" "607605a47c7ed6755c345f891ae76b8659c1b6b4d2a65dfb266ca6840c565e79", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/flexi_func-f197ed6281a2c4fb)
[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 flexi_func
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - ff (line 21) ... FAILED
[INFO] [stdout] test src/lib.rs - ff (line 36) ... FAILED
[INFO] [stdout] test src/lib.rs - ff (line 49) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - ff (line 21) stdout ----
[INFO] [stdout] error[E0599]: no method named `map_err` found for type `usize` in the current scope
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[ff]
[INFO] [stdout]    | ^^^^^ method not found in `usize`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `ff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> src/lib.rs:25:1
[INFO] [stdout]    |
[INFO] [stdout] 25 | #[ff]
[INFO] [stdout]    | ^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `ff` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ff (line 36) stdout ----
[INFO] [stdout] error: cannot find attribute `ff` in this scope
[INFO] [stdout]   --> src/lib.rs:37:3
[INFO] [stdout]    |
[INFO] [stdout] 37 | #[ff(error_type = "MyError")]
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 36 + use flexi_func::ff;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `MyError` in this scope
[INFO] [stdout]   --> src/lib.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn example_with_error(s: String) -> Result<usize, MyError> {
[INFO] [stdout]    |                                                   ^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a type parameter
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn example_with_error<MyError>(s: String) -> Result<usize, MyError> {
[INFO] [stdout]    |                      +++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0412`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - ff (line 49) stdout ----
[INFO] [stdout] error: cannot find attribute `ff` in this scope
[INFO] [stdout]   --> src/lib.rs:50:3
[INFO] [stdout]    |
[INFO] [stdout] 50 | #[ff(async_fn_name = "custom_async")]
[INFO] [stdout]    |   ^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this attribute macro
[INFO] [stdout]    |
[INFO] [stdout] 49 + use flexi_func::ff;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - ff (line 21)
[INFO] [stdout]     src/lib.rs - ff (line 36)
[INFO] [stdout]     src/lib.rs - ff (line 49)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "607605a47c7ed6755c345f891ae76b8659c1b6b4d2a65dfb266ca6840c565e79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "607605a47c7ed6755c345f891ae76b8659c1b6b4d2a65dfb266ca6840c565e79", kill_on_drop: false }`
[INFO] [stdout] 607605a47c7ed6755c345f891ae76b8659c1b6b4d2a65dfb266ca6840c565e79
