[INFO] fetching crate masterror-template 0.3.8...
[INFO] testing masterror-template-0.3.8 against 1.91.0 for beta-1.92-2
[INFO] extracting crate masterror-template 0.3.8 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate masterror-template 0.3.8
[INFO] finished tweaking crates.io crate masterror-template 0.3.8
[INFO] tweaked toml for crates.io crate masterror-template 0.3.8 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate masterror-template 0.3.8 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate masterror-template 0.3.8 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f167b520a24849a08a5196ca95eeb17bdbc5779462c3b4f4eabff7d373df5038
[INFO] running `Command { std: "docker" "start" "-a" "f167b520a24849a08a5196ca95eeb17bdbc5779462c3b4f4eabff7d373df5038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f167b520a24849a08a5196ca95eeb17bdbc5779462c3b4f4eabff7d373df5038", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f167b520a24849a08a5196ca95eeb17bdbc5779462c3b4f4eabff7d373df5038", kill_on_drop: false }`
[INFO] [stdout] f167b520a24849a08a5196ca95eeb17bdbc5779462c3b4f4eabff7d373df5038
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e550799c2bdcba7ffd2e8c4d1664a631f5cfe202f9658693a69a092c1fb5e6d
[INFO] running `Command { std: "docker" "start" "-a" "5e550799c2bdcba7ffd2e8c4d1664a631f5cfe202f9658693a69a092c1fb5e6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling masterror-template v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "5e550799c2bdcba7ffd2e8c4d1664a631f5cfe202f9658693a69a092c1fb5e6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e550799c2bdcba7ffd2e8c4d1664a631f5cfe202f9658693a69a092c1fb5e6d", kill_on_drop: false }`
[INFO] [stdout] 5e550799c2bdcba7ffd2e8c4d1664a631f5cfe202f9658693a69a092c1fb5e6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ab7d509f533c818365e59469205e5146060876d134809bde341e035c074e573
[INFO] running `Command { std: "docker" "start" "-a" "6ab7d509f533c818365e59469205e5146060876d134809bde341e035c074e573", kill_on_drop: false }`
[INFO] [stderr]    Compiling masterror-template v0.3.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "6ab7d509f533c818365e59469205e5146060876d134809bde341e035c074e573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ab7d509f533c818365e59469205e5146060876d134809bde341e035c074e573", kill_on_drop: false }`
[INFO] [stdout] 6ab7d509f533c818365e59469205e5146060876d134809bde341e035c074e573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2f282c49b44b07edf0de498b8056890e185a7fc19b2f0346cffe0dfec18bc7ba
[INFO] running `Command { std: "docker" "start" "-a" "2f282c49b44b07edf0de498b8056890e185a7fc19b2f0346cffe0dfec18bc7ba", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/masterror_template-fb4f733046b8961e)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test template::parser::tests::parses_display_format_specs ... ok
[INFO] [stdout] test template::parser::tests::rejects_whitespace_only_placeholders ... ok
[INFO] [stdout] test template::parser::tests::parses_supported_formatter_specs ... ok
[INFO] [stdout] test template::parser::tests::parses_empty_braces_as_implicit_display ... ok
[INFO] [stdout] test template::tests::display_with_resolves_placeholders ... ok
[INFO] [stdout] test template::tests::formatter_kind_helpers_cover_all_variants ... ok
[INFO] [stdout] test template::parser::tests::rejects_malformed_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::parses_basic_template ... ok
[INFO] [stdout] test template::tests::preserves_hash_fill_display_specs ... ok
[INFO] [stdout] test template::tests::rejects_invalid_identifier ... ok
[INFO] [stdout] test template::tests::parses_implicit_identifiers ... ok
[INFO] [stdout] test template::tests::parses_extended_formatters ... ok
[INFO] [stdout] test template::tests::rejects_unknown_formatter ... ok
[INFO] [stdout] test template::tests::rejects_unmatched_closing_brace ... ok
[INFO] [stdout] test template::tests::rejects_unterminated_placeholder ... ok
[INFO] [stderr]    Doc-tests masterror_template
[INFO] [stdout] test template::parser::tests::increments_implicit_indices_across_placeholders ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind (line 166) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::supports_alternate (line 260) ... ok
[INFO] [stdout] test src/template.rs - template::ErrorTemplate (line 15) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatter::kind (line 377) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::specifier (line 236) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatter::from_kind (line 329) ... ok
[INFO] [stdout] test src/template.rs - template::TemplateFormatterKind::from_specifier (line 206) ... 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] running `Command { std: "docker" "inspect" "2f282c49b44b07edf0de498b8056890e185a7fc19b2f0346cffe0dfec18bc7ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f282c49b44b07edf0de498b8056890e185a7fc19b2f0346cffe0dfec18bc7ba", kill_on_drop: false }`
[INFO] [stdout] 2f282c49b44b07edf0de498b8056890e185a7fc19b2f0346cffe0dfec18bc7ba