[INFO] fetching crate custom_error 1.9.2...
[INFO] testing custom_error-1.9.2 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate custom_error 1.9.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate custom_error 1.9.2
[INFO] finished tweaking crates.io crate custom_error 1.9.2
[INFO] tweaked toml for crates.io crate custom_error 1.9.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate custom_error 1.9.2 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cb4733f35a8fa6103b579fe480954116e21a1586b59fec4536c0321c2c37a6f
[INFO] running `Command { std: "docker" "start" "-a" "9cb4733f35a8fa6103b579fe480954116e21a1586b59fec4536c0321c2c37a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cb4733f35a8fa6103b579fe480954116e21a1586b59fec4536c0321c2c37a6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cb4733f35a8fa6103b579fe480954116e21a1586b59fec4536c0321c2c37a6f", kill_on_drop: false }`
[INFO] [stdout] 9cb4733f35a8fa6103b579fe480954116e21a1586b59fec4536c0321c2c37a6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a69aaed98b592d3fba37a8ac7e4d91d6c91a2c3ad4f5f5c1a6ae99299f2f13
[INFO] running `Command { std: "docker" "start" "-a" "c1a69aaed98b592d3fba37a8ac7e4d91d6c91a2c3ad4f5f5c1a6ae99299f2f13", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_error v1.9.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "c1a69aaed98b592d3fba37a8ac7e4d91d6c91a2c3ad4f5f5c1a6ae99299f2f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a69aaed98b592d3fba37a8ac7e4d91d6c91a2c3ad4f5f5c1a6ae99299f2f13", kill_on_drop: false }`
[INFO] [stdout] c1a69aaed98b592d3fba37a8ac7e4d91d6c91a2c3ad4f5f5c1a6ae99299f2f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f774de229e53533c56bf8c98c6b4ebd0dfd4b88101cff2641c9369cf895dce1
[INFO] running `Command { std: "docker" "start" "-a" "8f774de229e53533c56bf8c98c6b4ebd0dfd4b88101cff2641c9369cf895dce1", kill_on_drop: false }`
[INFO] [stderr]    Compiling custom_error v1.9.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `description` is not used by name
[INFO] [stdout]    --> src/lib.rs:580:32
[INFO] [stdout]     |
[INFO] [stdout] 580 |         custom_error!(MyError {description: &'static str} = "{}");
[INFO] [stdout]     |                                ^^^^^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `x` is not used by name
[INFO] [stdout]    --> src/lib.rs:652:41
[INFO] [stdout]     |
[INFO] [stdout] 652 |             custom_error! {pub MyError {x: &'static str} = "{}"}
[INFO] [stdout]     |                                         ^ this named argument is referred to by position in formatting string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `x` is not used by name
[INFO] [stdout]    --> src/lib.rs:662:17
[INFO] [stdout]     |
[INFO] [stdout] 662 |                 x: &'static str
[INFO] [stdout]     |                 ^ this named argument is referred to by position in formatting string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "8f774de229e53533c56bf8c98c6b4ebd0dfd4b88101cff2641c9369cf895dce1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f774de229e53533c56bf8c98c6b4ebd0dfd4b88101cff2641c9369cf895dce1", kill_on_drop: false }`
[INFO] [stdout] 8f774de229e53533c56bf8c98c6b4ebd0dfd4b88101cff2641c9369cf895dce1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a01c6e0934c5d4f38a0c1fd55696aa4fa1ba0e9b1d0af211476f74bb7e0e9d21
[INFO] running `Command { std: "docker" "start" "-a" "a01c6e0934c5d4f38a0c1fd55696aa4fa1ba0e9b1d0af211476f74bb7e0e9d21", kill_on_drop: false }`
[INFO] [stderr] warning: named argument `description` is not used by name
[INFO] [stderr]    --> src/lib.rs:580:32
[INFO] [stderr]     |
[INFO] [stderr] 580 |         custom_error!(MyError {description: &'static str} = "{}");
[INFO] [stderr]     |                                ^^^^^^^^^^^ this named argument is referred to by position in formatting string
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: named argument `x` is not used by name
[INFO] [stderr]    --> src/lib.rs:652:41
[INFO] [stderr]     |
[INFO] [stderr] 652 |             custom_error! {pub MyError {x: &'static str} = "{}"}
[INFO] [stderr]     |                                         ^ this named argument is referred to by position in formatting string
[INFO] [stderr] 
[INFO] [stderr] warning: named argument `x` is not used by name
[INFO] [stderr]    --> src/lib.rs:662:17
[INFO] [stderr]     |
[INFO] [stderr] 662 |                 x: &'static str
[INFO] [stderr]     |                 ^ this named argument is referred to by position in formatting string
[INFO] [stderr] 
[INFO] [stderr] warning: `custom_error` (lib test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/custom_error-3646d7a5894aa6fc)
[INFO] [stdout] 
[INFO] [stdout] running 40 tests
[INFO] [stdout] test tests::from_source ... ok
[INFO] [stdout] test tests::generic_error_struct ... ok
[INFO] [stdout] test tests::lifetime_source_param ... ok
[INFO] [stdout] test tests::pub_error ... ok
[INFO] [stdout] test tests::pub_error_struct ... ok
[INFO] [stdout] test tests::enum_with_pub_derive_and_doc_comment ... ok
[INFO] [stdout] test tests::pub_error_struct_fields ... ok
[INFO] [stdout] test tests::enum_with_box_dyn_source ... ok
[INFO] [stdout] test tests::enum_with_derive ... ok
[INFO] [stdout] test tests::generic_error ... ok
[INFO] [stdout] test tests::lifetime_param_and_type_param ... ok
[INFO] [stdout] test tests::single_error_case ... ok
[INFO] [stdout] test tests::single_error_struct_case ... ok
[INFO] [stdout] test tests::source ... ok
[INFO] [stdout] test tests::struct_custom_format_source ... ok
[INFO] [stdout] test tests::struct_lifetime_param_and_type_param ... ok
[INFO] [stdout] test tests::single_error_struct_case_with_braces ... ok
[INFO] [stdout] test tests::struct_from_source ... ok
[INFO] [stdout] test tests::enum_with_field_lifetime ... ok
[INFO] [stdout] test tests::struct_source ... ok
[INFO] [stdout] test tests::struct_with_error_data ... ok
[INFO] [stdout] test tests::custom_format_source ... ok
[INFO] [stdout] test tests::struct_lifetime_source_param ... ok
[INFO] [stdout] test tests::single_error_case_with_braces ... ok
[INFO] [stdout] test tests::struct_with_field_documentation ... ok
[INFO] [stdout] test tests::struct_with_field_lifetime ... ok
[INFO] [stdout] test tests::struct_with_multiple_error_data ... ok
[INFO] [stdout] test tests::struct_with_derive ... ok
[INFO] [stdout] test tests::struct_with_public_field ... ok
[INFO] [stdout] test tests::struct_with_source_and_others ... ok
[INFO] [stdout] test tests::with_custom_formatting ... ok
[INFO] [stdout] test tests::struct_with_box_dyn_source ... ok
[INFO] [stdout] test tests::three_error_cases ... ok
[INFO] [stdout] test tests::trailing_comma ... ok
[INFO] [stdout] test tests::struct_with_custom_formatting ... ok
[INFO] [stdout] test tests::with_doc_comments_for_fields ... ok
[INFO] [stdout] test tests::with_doc_comments_for_variants ... ok
[INFO] [stdout] test tests::with_error_data ... ok
[INFO] [stdout] test tests::with_multiple_error_data ... ok
[INFO] [stdout] test tests::with_source_and_others ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 40 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-e851b425c8e64b9a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests custom_error
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/lib.rs - custom_error (line 70) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 146) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 190) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 47) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 62) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 160) ... ok
[INFO] [stdout] test src/lib.rs - custom_error (line 118) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.78s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a01c6e0934c5d4f38a0c1fd55696aa4fa1ba0e9b1d0af211476f74bb7e0e9d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a01c6e0934c5d4f38a0c1fd55696aa4fa1ba0e9b1d0af211476f74bb7e0e9d21", kill_on_drop: false }`
[INFO] [stdout] a01c6e0934c5d4f38a0c1fd55696aa4fa1ba0e9b1d0af211476f74bb7e0e9d21