[INFO] fetching crate magnesium 1.3.0...
[INFO] testing magnesium-1.3.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate magnesium 1.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate magnesium 1.3.0
[INFO] finished tweaking crates.io crate magnesium 1.3.0
[INFO] tweaked toml for crates.io crate magnesium 1.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate magnesium 1.3.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 27d06f29ec4ca7509785d4428e7cfddca38c1df42ae99dfb49d6803044f8957f
[INFO] running `Command { std: "docker" "start" "-a" "27d06f29ec4ca7509785d4428e7cfddca38c1df42ae99dfb49d6803044f8957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27d06f29ec4ca7509785d4428e7cfddca38c1df42ae99dfb49d6803044f8957f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27d06f29ec4ca7509785d4428e7cfddca38c1df42ae99dfb49d6803044f8957f", kill_on_drop: false }`
[INFO] [stdout] 27d06f29ec4ca7509785d4428e7cfddca38c1df42ae99dfb49d6803044f8957f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] e909125ff622c552be2172721ccc179e5e1e8cb669c202380cb1613178fc4383
[INFO] running `Command { std: "docker" "start" "-a" "e909125ff622c552be2172721ccc179e5e1e8cb669c202380cb1613178fc4383", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/elements.rs:138:3
[INFO] [stdout]     |
[INFO] [stdout] 138 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/attributes.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `Command { std: "docker" "inspect" "e909125ff622c552be2172721ccc179e5e1e8cb669c202380cb1613178fc4383", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e909125ff622c552be2172721ccc179e5e1e8cb669c202380cb1613178fc4383", kill_on_drop: false }`
[INFO] [stdout] e909125ff622c552be2172721ccc179e5e1e8cb669c202380cb1613178fc4383
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 74f3a51a5c99270b070f317d5763133aaadcb37f5d1c68ff527d9108e43ede81
[INFO] running `Command { std: "docker" "start" "-a" "74f3a51a5c99270b070f317d5763133aaadcb37f5d1c68ff527d9108e43ede81", kill_on_drop: false }`
[INFO] [stderr]    Compiling magnesium v1.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/elements.rs:138:3
[INFO] [stdout]     |
[INFO] [stdout] 138 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/attributes.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]    --> src/elements.rs:138:3
[INFO] [stdout]     |
[INFO] [stdout] 138 |   #[must_use]
[INFO] [stdout]     |   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stdout]   --> src/attributes.rs:55:3
[INFO] [stdout]    |
[INFO] [stdout] 55 |   #[must_use]
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "74f3a51a5c99270b070f317d5763133aaadcb37f5d1c68ff527d9108e43ede81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f3a51a5c99270b070f317d5763133aaadcb37f5d1c68ff527d9108e43ede81", kill_on_drop: false }`
[INFO] [stdout] 74f3a51a5c99270b070f317d5763133aaadcb37f5d1c68ff527d9108e43ede81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 5bba7e73c9bcb567db54421da7b39db94319a69acde2eb0b522607f7d1a7fd1b
[INFO] running `Command { std: "docker" "start" "-a" "5bba7e73c9bcb567db54421da7b39db94319a69acde2eb0b522607f7d1a7fd1b", kill_on_drop: false }`
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]    --> src/elements.rs:138:3
[INFO] [stderr]     |
[INFO] [stderr] 138 |   #[must_use]
[INFO] [stderr]     |   ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]     = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr]     = note: `#[warn(unused_attributes)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `#[must_use]` attribute cannot be used on trait methods in impl blocks
[INFO] [stderr]   --> src/attributes.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   #[must_use]
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = help: `#[must_use]` can be applied to data types, functions, unions, required trait methods, provided trait methods, inherent methods, foreign functions, and traits
[INFO] [stderr] 
[INFO] [stderr] warning: `magnesium` (lib) generated 2 warnings (run `cargo fix --lib -p magnesium` to apply 2 suggestions)
[INFO] [stderr] warning: `magnesium` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/magnesium-3b8ca389c25ab62b)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test elements::test_trim_xml_declaration ... ok
[INFO] [stdout] test test_break_on_first_char ... ok
[INFO] [stdout] test test_break_on_first_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_attributes.rs (/opt/rustwide/target/debug/deps/test_attributes-150dbb425918f952)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test empty_string_or_whitespace_gives_none ... ok
[INFO] [stdout] test test_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_elements.rs (/opt/rustwide/target/debug/deps/test_elements-95413593df27b2ce)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test_parsing ... ok
[INFO] [stdout] test test_empty_tag_no_attrs ... ok
[INFO] [stdout] test test_skipping_comments_parsing ... ok
[INFO] [stdout] test test_whitespace_skipping_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests magnesium
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/elements.rs - elements::trim_text (line 251) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_empty_text_elements (line 196) ... ok
[INFO] [stdout] test src/attributes.rs - attributes::TagAttributeIterator<'s>::find_by_key (line 37) ... ok
[INFO] [stdout] test src/elements.rs - elements::skip_comments (line 227) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5bba7e73c9bcb567db54421da7b39db94319a69acde2eb0b522607f7d1a7fd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bba7e73c9bcb567db54421da7b39db94319a69acde2eb0b522607f7d1a7fd1b", kill_on_drop: false }`
[INFO] [stdout] 5bba7e73c9bcb567db54421da7b39db94319a69acde2eb0b522607f7d1a7fd1b
