[INFO] fetching crate opml 1.1.1...
[INFO] testing opml-1.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate opml 1.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate opml 1.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opml 1.1.1
[INFO] finished tweaking crates.io crate opml 1.1.1
[INFO] tweaked toml for crates.io crate opml 1.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate opml 1.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb06e4da36031337e31d2fd0c82ba333c697442d7696814bb92fb62335cd4d94
[INFO] running `Command { std: "docker" "start" "-a" "bb06e4da36031337e31d2fd0c82ba333c697442d7696814bb92fb62335cd4d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb06e4da36031337e31d2fd0c82ba333c697442d7696814bb92fb62335cd4d94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb06e4da36031337e31d2fd0c82ba333c697442d7696814bb92fb62335cd4d94", kill_on_drop: false }`
[INFO] [stdout] bb06e4da36031337e31d2fd0c82ba333c697442d7696814bb92fb62335cd4d94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0569751d1315934d833ec7fe1772eca93d614eac3a430f8031ae78c7bfba1a03
[INFO] running `Command { std: "docker" "start" "-a" "0569751d1315934d833ec7fe1772eca93d614eac3a430f8031ae78c7bfba1a03", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling jetscii v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling xmlparser v0.13.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling strong-xml-derive v0.6.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling strong-xml v0.6.3
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling opml v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.82s
[INFO] running `Command { std: "docker" "inspect" "0569751d1315934d833ec7fe1772eca93d614eac3a430f8031ae78c7bfba1a03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0569751d1315934d833ec7fe1772eca93d614eac3a430f8031ae78c7bfba1a03", kill_on_drop: false }`
[INFO] [stdout] 0569751d1315934d833ec7fe1772eca93d614eac3a430f8031ae78c7bfba1a03
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bfece9afe7cd89b507979ba0c88b83fcfa5e1c8be8c6ea70f6dfbd29641a8b88
[INFO] running `Command { std: "docker" "start" "-a" "bfece9afe7cd89b507979ba0c88b83fcfa5e1c8be8c6ea70f6dfbd29641a8b88", kill_on_drop: false }`
[INFO] [stderr]    Compiling opml v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> source/lib.rs:84:3
[INFO] [stdout]    |
[INFO] [stdout] 84 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stdout]    |   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "bfece9afe7cd89b507979ba0c88b83fcfa5e1c8be8c6ea70f6dfbd29641a8b88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfece9afe7cd89b507979ba0c88b83fcfa5e1c8be8c6ea70f6dfbd29641a8b88", kill_on_drop: false }`
[INFO] [stdout] bfece9afe7cd89b507979ba0c88b83fcfa5e1c8be8c6ea70f6dfbd29641a8b88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e21b8c718e356662816befe6182cc61a94baff493a3c5104c7e3b54cf646acf6
[INFO] running `Command { std: "docker" "start" "-a" "e21b8c718e356662816befe6182cc61a94baff493a3c5104c7e3b54cf646acf6", kill_on_drop: false }`
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]   --> source/lib.rs:84:3
[INFO] [stderr]    |
[INFO] [stderr] 84 |   XmlWrite, XmlRead, PartialEq, Debug, Clone, Serialize, Deserialize,
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this warning originates in the derive macro `XmlWrite` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `opml` (lib) generated 1 warning
[INFO] [stderr] warning: `opml` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opml-50d9fe884732b755)
[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]      Running tests/construction.rs (/opt/rustwide/target/debug/deps/construction-f1432fddf776f26e)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_opml_construction_1 ... ok
[INFO] [stderr]      Running tests/errors.rs (/opt/rustwide/target/debug/deps/errors-3512803cf3f9b8c6)
[INFO] [stdout] test test_opml_construction_2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_invalid_opml_version ... ok
[INFO] [stderr]      Running tests/spec_samples.rs (/opt/rustwide/target/debug/deps/spec_samples-bc9bb67019e645b3)
[INFO] [stdout] test test_invalid_opml_no_outlines ... ok
[INFO] [stdout] test test_invalid_xml - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/valid.rs (/opt/rustwide/target/debug/deps/valid-86f5a071ca7ea135)
[INFO] [stdout] test test_spec_samples ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_minimum_valid_opml ... ok
[INFO] [stderr]    Doc-tests opml
[INFO] [stdout] test test_valid_opml_1_0 ... ok
[INFO] [stdout] test test_valid_opml_with_everything ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test source/lib.rs - OPML::to_writer (line 255) - compile ... ok
[INFO] [stdout] test source/lib.rs - OPML::from_reader (line 171) - compile ... ok
[INFO] [stdout] test source/lib.rs - OPML::add_feed (line 191) ... ok
[INFO] [stdout] test source/lib.rs - Outline::add_feed (line 424) ... ok
[INFO] [stdout] test source/lib.rs - (line 41) ... ok
[INFO] [stdout] test source/lib.rs - OPML::from_str (line 129) ... ok
[INFO] [stdout] test source/lib.rs - OPML::to_xml (line 220) ... ok
[INFO] [stdout] test source/lib.rs - (line 17) ... ok
[INFO] [stdout] test source/lib.rs - OPML::to_string (line 238) ... ok
[INFO] [stdout] test source/lib.rs - OPML::new (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.06s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e21b8c718e356662816befe6182cc61a94baff493a3c5104c7e3b54cf646acf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e21b8c718e356662816befe6182cc61a94baff493a3c5104c7e3b54cf646acf6", kill_on_drop: false }`
[INFO] [stdout] e21b8c718e356662816befe6182cc61a94baff493a3c5104c7e3b54cf646acf6