[INFO] fetching crate xmlhelper 0.1.0...
[INFO] testing xmlhelper-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate xmlhelper 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate xmlhelper 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmlhelper 0.1.0
[INFO] finished tweaking crates.io crate xmlhelper 0.1.0
[INFO] tweaked toml for crates.io crate xmlhelper 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5dfbfb69a0fa66c6695be7b2ba08a3b279cc200b1faf70ec62e3630ce374743
[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" "b5dfbfb69a0fa66c6695be7b2ba08a3b279cc200b1faf70ec62e3630ce374743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5dfbfb69a0fa66c6695be7b2ba08a3b279cc200b1faf70ec62e3630ce374743", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dfbfb69a0fa66c6695be7b2ba08a3b279cc200b1faf70ec62e3630ce374743", kill_on_drop: false }`
[INFO] [stdout] b5dfbfb69a0fa66c6695be7b2ba08a3b279cc200b1faf70ec62e3630ce374743
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 253a3eb20de1db3d239218cfeed9c93c47a341495af069fa92b1bcc29ab563a5
[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" "253a3eb20de1db3d239218cfeed9c93c47a341495af069fa92b1bcc29ab563a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling xmlhelper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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 6.39s
[INFO] running `Command { std: "docker" "inspect" "253a3eb20de1db3d239218cfeed9c93c47a341495af069fa92b1bcc29ab563a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253a3eb20de1db3d239218cfeed9c93c47a341495af069fa92b1bcc29ab563a5", kill_on_drop: false }`
[INFO] [stdout] 253a3eb20de1db3d239218cfeed9c93c47a341495af069fa92b1bcc29ab563a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 436a1cf57f062a68ea836dd4e1fb233fd99d76616930b322ab36564edffd9ea8
[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" "436a1cf57f062a68ea836dd4e1fb233fd99d76616930b322ab36564edffd9ea8", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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] [stderr]    Compiling xmlhelper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[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: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/decode.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / error_chain! {
[INFO] [stdout] 13 | |   foreign_links {
[INFO] [stdout] 14 | |     Xml(::xml::reader::Error);
[INFO] [stdout] 15 | |   }
[INFO] [stdout] ...  |
[INFO] [stdout] 32 | |   }
[INFO] [stdout] 33 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[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 test [unoptimized + debuginfo] target(s) in 2.49s
[INFO] running `Command { std: "docker" "inspect" "436a1cf57f062a68ea836dd4e1fb233fd99d76616930b322ab36564edffd9ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436a1cf57f062a68ea836dd4e1fb233fd99d76616930b322ab36564edffd9ea8", kill_on_drop: false }`
[INFO] [stdout] 436a1cf57f062a68ea836dd4e1fb233fd99d76616930b322ab36564edffd9ea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc16f631875e866fa9dd76d511cd38ce8bc28b284a42e90d9baab8dab5e1b28e
[INFO] running `Command { std: "docker" "start" "-a" "fc16f631875e866fa9dd76d511cd38ce8bc28b284a42e90d9baab8dab5e1b28e", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/decode.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain! {
[INFO] [stderr] 13 | |   foreign_links {
[INFO] [stderr] 14 | |     Xml(::xml::reader::Error);
[INFO] [stderr] 15 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/decode.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain! {
[INFO] [stderr] 13 | |   foreign_links {
[INFO] [stderr] 14 | |     Xml(::xml::reader::Error);
[INFO] [stderr] 15 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/decode.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain! {
[INFO] [stderr] 13 | |   foreign_links {
[INFO] [stderr] 14 | |     Xml(::xml::reader::Error);
[INFO] [stderr] 15 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/decode.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | / error_chain! {
[INFO] [stderr] 13 | |   foreign_links {
[INFO] [stderr] 14 | |     Xml(::xml::reader::Error);
[INFO] [stderr] 15 | |   }
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |   }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xmlhelper-9fba8aa839e280ae
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test decode::tests::test_start_element ... ok
[INFO] [stdout] test decode::tests::test_element_list ... ok
[INFO] [stdout] test decode::tests::test_fold_elements ... ok
[INFO] [stdout] test decode::tests::test_empty_element ... ok
[INFO] [stdout] test decode::tests::test_element_scope ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xmlhelper
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/encode.rs - write_xml (line 30) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.09s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc16f631875e866fa9dd76d511cd38ce8bc28b284a42e90d9baab8dab5e1b28e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc16f631875e866fa9dd76d511cd38ce8bc28b284a42e90d9baab8dab5e1b28e", kill_on_drop: false }`
[INFO] [stdout] fc16f631875e866fa9dd76d511cd38ce8bc28b284a42e90d9baab8dab5e1b28e