[INFO] fetching crate xml-data 0.0.1...
[INFO] checking xml-data-0.0.1 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate xml-data 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xml-data 0.0.1 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xml-data 0.0.1
[INFO] finished tweaking crates.io crate xml-data 0.0.1
[INFO] tweaked toml for crates.io crate xml-data 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xml-data-derive v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ec09f4d0cd5f3bcdaf608af57874e8e2a5124d39aa39d7c1231f281a57adb408
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ec09f4d0cd5f3bcdaf608af57874e8e2a5124d39aa39d7c1231f281a57adb408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec09f4d0cd5f3bcdaf608af57874e8e2a5124d39aa39d7c1231f281a57adb408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec09f4d0cd5f3bcdaf608af57874e8e2a5124d39aa39d7c1231f281a57adb408", kill_on_drop: false }`
[INFO] [stdout] ec09f4d0cd5f3bcdaf608af57874e8e2a5124d39aa39d7c1231f281a57adb408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c3b356737b4098b684c7145f352dcb327a4173f4865dde9033653ddf6b1bf90a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3b356737b4098b684c7145f352dcb327a4173f4865dde9033653ddf6b1bf90a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling pulldown-cmark v0.4.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling xml-data-derive v0.0.1
[INFO] [stderr]     Checking version-sync v0.8.1
[INFO] [stderr]     Checking xml-data v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated constant is never used: `TEST_PARSE_DOCUMENT_1`
[INFO] [stdout]   --> src/test_struct.rs:24:2
[INFO] [stdout]    |
[INFO] [stdout] 24 | /     pub const TEST_PARSE_DOCUMENT_1: &'static str = r#"<?xml version="1.1" encoding="utf-8"?>
[INFO] [stdout] 25 | | <data key="abc" other="42"><foo>
[INFO] [stdout] 26 | |         <unknown/>
[INFO] [stdout] 27 | |     </foo></data>"#;
[INFO] [stdout]    | |____________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TEST_SERIALIZE_DOCUMENT_1`
[INFO] [stdout]   --> src/test_struct.rs:29:2
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub const TEST_SERIALIZE_DOCUMENT_1: &'static str = r#"<?xml version="1.1" encoding="utf-8"?><data key="abc" other="42"><foo/></data>"#;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant is never used: `TEST_RESULT_1`
[INFO] [stdout]   --> src/test_struct.rs:31:2
[INFO] [stdout]    |
[INFO] [stdout] 31 | /     pub const TEST_RESULT_1: Self = Self {
[INFO] [stdout] 32 | |         key: Cow::Borrowed("abc"),
[INFO] [stdout] 33 | |         other: 42,
[INFO] [stdout] 34 | |         foo1: Some(Foo),
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |         },
[INFO] [stdout] 39 | |     };
[INFO] [stdout]    | |______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]  --> tests/version-numbers.rs:6:2
[INFO] [stdout]   |
[INFO] [stdout] 6 |     assert_markdown_deps_updated!("README.md");
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]   = note: this is no longer accepted in Rust 2021
[INFO] [stdout]   = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/version-numbers.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     assert_html_root_url_updated!("src/lib.rs");
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.37s
[INFO] running `Command { std: "docker" "inspect" "c3b356737b4098b684c7145f352dcb327a4173f4865dde9033653ddf6b1bf90a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b356737b4098b684c7145f352dcb327a4173f4865dde9033653ddf6b1bf90a", kill_on_drop: false }`
[INFO] [stdout] c3b356737b4098b684c7145f352dcb327a4173f4865dde9033653ddf6b1bf90a