[INFO] cloning repository https://github.com/naughie/natex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/naughie/natex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c978dbf0c07fc31e64fcd72aa311597c71ac983
[INFO] testing naughie/natex against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnaughie%2Fnatex" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/naughie/natex 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 git repo https://github.com/naughie/natex
[INFO] finished tweaking git repo https://github.com/naughie/natex
[INFO] tweaked toml for git repo https://github.com/naughie/natex written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/naughie/natex 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 52a9e0db6037e4c26cad23598ff1b2e8367d971dfce00bad6ddb521eb2b60271
[INFO] running `Command { std: "docker" "start" "-a" "52a9e0db6037e4c26cad23598ff1b2e8367d971dfce00bad6ddb521eb2b60271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52a9e0db6037e4c26cad23598ff1b2e8367d971dfce00bad6ddb521eb2b60271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52a9e0db6037e4c26cad23598ff1b2e8367d971dfce00bad6ddb521eb2b60271", kill_on_drop: false }`
[INFO] [stdout] 52a9e0db6037e4c26cad23598ff1b2e8367d971dfce00bad6ddb521eb2b60271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] fd8bb6e2e2336aef1ec3927f31692217e9ae937694ab5e0041cad211d0bc5715
[INFO] running `Command { std: "docker" "start" "-a" "fd8bb6e2e2336aef1ec3927f31692217e9ae937694ab5e0041cad211d0bc5715", kill_on_drop: false }`
[INFO] [stderr]    Compiling natex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `doc`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     state: DocState,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `Command { std: "docker" "inspect" "fd8bb6e2e2336aef1ec3927f31692217e9ae937694ab5e0041cad211d0bc5715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd8bb6e2e2336aef1ec3927f31692217e9ae937694ab5e0041cad211d0bc5715", kill_on_drop: false }`
[INFO] [stdout] fd8bb6e2e2336aef1ec3927f31692217e9ae937694ab5e0041cad211d0bc5715
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 9d738bf17e32000a5e08bc0656d511248cc799484237936ef1502a65ef4585e2
[INFO] running `Command { std: "docker" "start" "-a" "9d738bf17e32000a5e08bc0656d511248cc799484237936ef1502a65ef4585e2", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `doc`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling natex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     state: DocState,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `doc`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:33
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `o`
[INFO] [stdout]   --> src/states/outer_structure.rs:47:59
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stdout]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stdout]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     state: DocState,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "9d738bf17e32000a5e08bc0656d511248cc799484237936ef1502a65ef4585e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d738bf17e32000a5e08bc0656d511248cc799484237936ef1502a65ef4585e2", kill_on_drop: false }`
[INFO] [stdout] 9d738bf17e32000a5e08bc0656d511248cc799484237936ef1502a65ef4585e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 339b91440d579d84d6edf7b6a87f304e6bb8663edd6cec3d7c0b6877a32fa12e
[INFO] running `Command { std: "docker" "start" "-a" "339b91440d579d84d6edf7b6a87f304e6bb8663edd6cec3d7c0b6877a32fa12e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `doc`
[INFO] [stderr]   --> src/states/outer_structure.rs:47:33
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stderr]    |                                 ^^^ help: if this is intentional, prefix it with an underscore: `_doc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `o`
[INFO] [stderr]   --> src/states/outer_structure.rs:47:59
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn tran_document<T: Writer>(doc: Document, s: String, o: &mut T) -> Result<States, String> {
[INFO] [stderr]    |                                                           ^ help: if this is intentional, prefix it with an underscore: `_o`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/states/outer_structure/document.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     pub fn new(s: String) -> Result<Document, String> {
[INFO] [stderr]    |                ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]  --> src/states/outer_structure/document.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     state: DocState,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `natex` (lib) generated 4 warnings
[INFO] [stderr] warning: `natex` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/natex-d61fae77ff65e975)
[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 unittests (/opt/rustwide/target/debug/deps/natex-4d86aea7690de4ab)
[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]    Doc-tests natex
[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] running `Command { std: "docker" "inspect" "339b91440d579d84d6edf7b6a87f304e6bb8663edd6cec3d7c0b6877a32fa12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339b91440d579d84d6edf7b6a87f304e6bb8663edd6cec3d7c0b6877a32fa12e", kill_on_drop: false }`
[INFO] [stdout] 339b91440d579d84d6edf7b6a87f304e6bb8663edd6cec3d7c0b6877a32fa12e