[INFO] fetching crate error-stack-derive 0.1.0...
[INFO] testing error-stack-derive-0.1.0 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate error-stack-derive 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate error-stack-derive 0.1.0
[INFO] finished tweaking crates.io crate error-stack-derive 0.1.0
[INFO] tweaked toml for crates.io crate error-stack-derive 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate error-stack-derive 0.1.0 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate error-stack-derive 0.1.0 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-ident v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.43
[INFO] [stderr]   Downloaded itoa v1.0.3
[INFO] [stderr]   Downloaded quote v1.0.21
[INFO] [stderr]   Downloaded ryu v1.0.11
[INFO] [stderr]   Downloaded error-stack v0.1.1
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded syn v1.0.99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654
[INFO] running `Command { std: "docker" "start" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", 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" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling error-stack-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling error-stack v0.1.1
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling error-stack-derive v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 16.01s
[INFO] running `Command { std: "docker" "inspect" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/error_stack_derive-c6b5ba860a15c80b)
[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 error_stack_derive
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 92) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 47) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 73) ... ok
[INFO] [stdout] test src/lib.rs - error (line 150) ... ok
[INFO] [stdout] test src/lib.rs - (line 21) ... FAILED
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 92) stdout ----
[INFO] [stdout] error: positional arguments cannot follow named arguments
[INFO] [stdout]    --> src/lib.rs:120:114
[INFO] [stdout]     |
[INFO] [stdout] 120 |             Self::BarError => _____fmt.write_str(&format!("[{name}] An error occured; {:?}", name = "FooErrors", self)),
[INFO] [stdout]     |                                                                                              ------------------  ^^^^ positional arguments must be before named arguments
[INFO] [stdout]     |                                                                                              |
[INFO] [stdout]     |                                                                                              named argument
[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 47) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: FooError("No such file or directory (os error 2)")
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 21) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: An exception occured in foo
[INFO] [stdout]              at src/lib.rs:14:10
[INFO] [stdout]       - Unable to read foo.txt file
[INFO] [stdout] 
[INFO] [stdout] Caused by:
[INFO] [stdout]    0: No such file or directory (os error 2)
[INFO] [stdout]              at src/lib.rs:13:10
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 21)
[INFO] [stdout]     src/lib.rs - (line 47)
[INFO] [stdout]     src/lib.rs - (line 92)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654", kill_on_drop: false }`
[INFO] [stdout] 59a2482e3f2dd977215e43459c7dcd413722752848e0248bafeb18c9041c9654
