[INFO] fetching crate masterror-template 0.4.2...
[INFO] testing masterror-template-0.4.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate masterror-template 0.4.2 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate masterror-template 0.4.2
[INFO] finished tweaking crates.io crate masterror-template 0.4.2
[INFO] tweaked toml for crates.io crate masterror-template 0.4.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate masterror-template 0.4.2 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate masterror-template 0.4.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5955b8df139f534cd393d6b79ad72e382fa63135340bdd883db7455635ac9e02
[INFO] running `Command { std: "docker" "start" "-a" "5955b8df139f534cd393d6b79ad72e382fa63135340bdd883db7455635ac9e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5955b8df139f534cd393d6b79ad72e382fa63135340bdd883db7455635ac9e02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5955b8df139f534cd393d6b79ad72e382fa63135340bdd883db7455635ac9e02", kill_on_drop: false }`
[INFO] [stdout] 5955b8df139f534cd393d6b79ad72e382fa63135340bdd883db7455635ac9e02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5bd0910b6969750bb9cb295c1f03e29349b76149079aa9aa078eb124a19c60f
[INFO] running `Command { std: "docker" "start" "-a" "b5bd0910b6969750bb9cb295c1f03e29349b76149079aa9aa078eb124a19c60f", kill_on_drop: false }`
[INFO] [stderr]    Compiling masterror-template v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b5bd0910b6969750bb9cb295c1f03e29349b76149079aa9aa078eb124a19c60f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5bd0910b6969750bb9cb295c1f03e29349b76149079aa9aa078eb124a19c60f", kill_on_drop: false }`
[INFO] [stdout] b5bd0910b6969750bb9cb295c1f03e29349b76149079aa9aa078eb124a19c60f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aaf0bcdb49dba3f7e038705637311754ab029aa22efd0dec5f1f7a6d524d9fff
[INFO] running `Command { std: "docker" "start" "-a" "aaf0bcdb49dba3f7e038705637311754ab029aa22efd0dec5f1f7a6d524d9fff", kill_on_drop: false }`
[INFO] [stderr]    Compiling masterror-template v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "aaf0bcdb49dba3f7e038705637311754ab029aa22efd0dec5f1f7a6d524d9fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aaf0bcdb49dba3f7e038705637311754ab029aa22efd0dec5f1f7a6d524d9fff", kill_on_drop: false }`
[INFO] [stdout] aaf0bcdb49dba3f7e038705637311754ab029aa22efd0dec5f1f7a6d524d9fff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4be803377e22e08c0ee548bb1337875099e42301914231e815d6d1dd1da894c3
[INFO] running `Command { std: "docker" "start" "-a" "4be803377e22e08c0ee548bb1337875099e42301914231e815d6d1dd1da894c3", 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/masterror_template-e5833f2c5826de6f)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test template::parser::tests::parses_supported_formatter_specs ... ok
[INFO] [stdout] test template::tests::display_with_resolves_placeholders ... ok
[INFO] [stdout] test template::parser::tests::rejects_whitespace_only_placeholders ... ok
[INFO] [stdout] test template::parser::tests::parses_display_format_specs ... ok
[INFO] [stdout] test template::parser::tests::increments_implicit_indices_across_placeholders ... ok
[INFO] [stdout] test template::tests::parses_implicit_identifiers ... ok
[INFO] [stdout] test template::tests::parses_basic_template ... ok
[INFO] [stdout] test template::parser::tests::rejects_malformed_formatters ... ok
[INFO] [stdout] test template::parser::tests::parses_empty_braces_as_implicit_display ... ok
[INFO] [stdout] test template::tests::preserves_hash_fill_display_specs ... ok
[INFO] [stdout] test template::tests::formatter_kind_helpers_cover_all_variants ... ok
[INFO] [stdout] test template::tests::parses_extended_formatters ... ok
[INFO] [stdout] test template::tests::handles_brace_escaping ... ok
[INFO] [stdout] test template::tests::parses_debug_formatter ... ok
[INFO] [stdout] test template::tests::rejects_unknown_formatter ... ok
[INFO] [stdout] test template::tests::rejects_unterminated_placeholder ... ok
[INFO] [stdout] test template::tests::rejects_invalid_identifier ... ok
[INFO] [stdout] test template::tests::rejects_unmatched_closing_brace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests masterror_template
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/template.rs - template::ErrorTemplate (line 19) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatter::kind (line 380) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind (line 169) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::specifier (line 239) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatter::from_kind (line 332) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::supports_alternate (line 263) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::from_specifier (line 209) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.42s; merged doctests compilation took 0.41s
[INFO] running `Command { std: "docker" "inspect" "4be803377e22e08c0ee548bb1337875099e42301914231e815d6d1dd1da894c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4be803377e22e08c0ee548bb1337875099e42301914231e815d6d1dd1da894c3", kill_on_drop: false }`
[INFO] [stdout] 4be803377e22e08c0ee548bb1337875099e42301914231e815d6d1dd1da894c3