[INFO] fetching crate xmlwriter 0.1.0...
[INFO] testing xmlwriter-0.1.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate xmlwriter 0.1.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate xmlwriter 0.1.0
[INFO] finished tweaking crates.io crate xmlwriter 0.1.0
[INFO] tweaked toml for crates.io crate xmlwriter 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate xmlwriter 0.1.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7c0f7e794b9838236db78323d96557d8afc2b4bb9e4b850c061f713bc2d220d
[INFO] running `Command { std: "docker" "start" "-a" "e7c0f7e794b9838236db78323d96557d8afc2b4bb9e4b850c061f713bc2d220d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7c0f7e794b9838236db78323d96557d8afc2b4bb9e4b850c061f713bc2d220d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c0f7e794b9838236db78323d96557d8afc2b4bb9e4b850c061f713bc2d220d", kill_on_drop: false }`
[INFO] [stdout] e7c0f7e794b9838236db78323d96557d8afc2b4bb9e4b850c061f713bc2d220d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a91871fc1cdd50e30109e3b2001ba2a0cb6a1779da80c993eae383850c221dec
[INFO] running `Command { std: "docker" "start" "-a" "a91871fc1cdd50e30109e3b2001ba2a0cb6a1779da80c993eae383850c221dec", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "a91871fc1cdd50e30109e3b2001ba2a0cb6a1779da80c993eae383850c221dec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a91871fc1cdd50e30109e3b2001ba2a0cb6a1779da80c993eae383850c221dec", kill_on_drop: false }`
[INFO] [stdout] a91871fc1cdd50e30109e3b2001ba2a0cb6a1779da80c993eae383850c221dec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd2b741cb0218ac52f125570f9eeb07833b0ea8763bdc172b76928a12dd466b9
[INFO] running `Command { std: "docker" "start" "-a" "cd2b741cb0218ac52f125570f9eeb07833b0ea8763bdc172b76928a12dd466b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlwriter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `TStr` is never constructed
[INFO] [stdout]  --> tests/tests.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct TStr<'a>(pub &'a str);
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "cd2b741cb0218ac52f125570f9eeb07833b0ea8763bdc172b76928a12dd466b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd2b741cb0218ac52f125570f9eeb07833b0ea8763bdc172b76928a12dd466b9", kill_on_drop: false }`
[INFO] [stdout] cd2b741cb0218ac52f125570f9eeb07833b0ea8763bdc172b76928a12dd466b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e1ed8b74559d7cb8c4da2843cf8d052077807e0a2cf086a3493a0b971b83bb0d
[INFO] running `Command { std: "docker" "start" "-a" "e1ed8b74559d7cb8c4da2843cf8d052077807e0a2cf086a3493a0b971b83bb0d", kill_on_drop: false }`
[INFO] [stderr] warning: struct `TStr` is never constructed
[INFO] [stderr]  --> tests/tests.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct TStr<'a>(pub &'a str);
[INFO] [stderr]   |        ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `xmlwriter` (test "tests") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/xmlwriter-f52107cfa5739dad)
[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/tests.rs (/opt/rustwide/target/debug/deps/tests-abcbf40ff9baebee)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test attrs_indent_01 ... ok
[INFO] [stdout] test write_attribute_02 ... ok
[INFO] [stdout] test write_attribute_04 ... ok
[INFO] [stdout] test write_attribute_05 ... ok
[INFO] [stdout] test write_attribute_03 ... ok
[INFO] [stdout] test write_attribute_07 ... ok
[INFO] [stdout] test write_comment_01 ... ok
[INFO] [stdout] test write_attribute_06 ... ok
[INFO] [stdout] test write_comment_02 ... ok
[INFO] [stdout] test write_comment_03 ... ok
[INFO] [stdout] test write_comment_04 ... ok
[INFO] [stdout] test write_comment_05 ... ok
[INFO] [stdout] test write_comment_07 ... ok
[INFO] [stdout] test write_comment_08 ... ok
[INFO] [stdout] test write_declaration_01 ... ok
[INFO] [stdout] test write_element_01 ... ok
[INFO] [stdout] test write_element_02 ... ok
[INFO] [stdout] test write_element_03 ... ok
[INFO] [stdout] test write_element_05 ... ok
[INFO] [stdout] test write_comment_06 ... ok
[INFO] [stdout] test write_element_06 ... ok
[INFO] [stdout] test write_preserve_text_01 ... ok
[INFO] [stdout] test write_preserve_text_02 ... ok
[INFO] [stdout] test write_single_quote_02 ... ok
[INFO] [stdout] test write_single_quote_01 ... ok
[INFO] [stdout] test write_text_04 ... ok
[INFO] [stdout] test write_text_05 ... ok
[INFO] [stdout] test write_text_09 ... ok
[INFO] [stdout] test write_text_07 ... ok
[INFO] [stdout] test write_text_06 ... ok
[INFO] [stdout] test write_text_08 ... ok
[INFO] [stdout] test write_text_10 ... ok
[INFO] [stdout] test write_text_11 ... ok
[INFO] [stdout] test write_attribute_01 - should panic ... ok
[INFO] [stdout] test write_declaration_02 - should panic ... ok
[INFO] [stdout] test write_declaration_03 - should panic ... ok
[INFO] [stdout] test write_text_01 - should panic ... ok
[INFO] [stdout] test write_text_02 - should panic ... ok
[INFO] [stdout] test write_text_03 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests xmlwriter
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute_fmt (line 316) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute_raw (line 351) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::write_attribute (line 292) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::end_document (line 525) ... ok
[INFO] [stdout] test src/lib.rs - XmlWriter::set_preserve_whitespaces (line 418) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e1ed8b74559d7cb8c4da2843cf8d052077807e0a2cf086a3493a0b971b83bb0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1ed8b74559d7cb8c4da2843cf8d052077807e0a2cf086a3493a0b971b83bb0d", kill_on_drop: false }`
[INFO] [stdout] e1ed8b74559d7cb8c4da2843cf8d052077807e0a2cf086a3493a0b971b83bb0d