[INFO] updating cached repository https://github.com/richard-reece/md-toc
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5b12c490f9022be8782ba62ca9936b43fdf9d354
[INFO] testing richard-reece/md-toc against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichard-reece%2Fmd-toc" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richard-reece/md-toc on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/richard-reece/md-toc
[INFO] finished tweaking git repo https://github.com/richard-reece/md-toc
[INFO] tweaked toml for git repo https://github.com/richard-reece/md-toc written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/richard-reece/md-toc already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] f4040f47982d3445d0d2a9d60e9c37e9b56fe4780573f097c5b7b94b1a3bb5da
[INFO] running `"docker" "start" "-a" "f4040f47982d3445d0d2a9d60e9c37e9b56fe4780573f097c5b7b94b1a3bb5da"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling bumpalo v2.6.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]    Compiling enclose v1.1.8
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]    Compiling web-sys v0.3.27
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling js-sys v0.3.27
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.3.27
[INFO] [stderr]    Compiling seed v0.4.0
[INFO] [stderr]    Compiling md-toc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/config.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_args`
[INFO] [stderr]   --> src/config.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn from_args(args:Vec<String>) -> Result<Config, MyError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_toc`
[INFO] [stderr]   --> src/config.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn generate_toc(&self) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Usage`
[INFO] [stderr]  --> src/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Usage(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IoError`
[INFO] [stderr]  --> src/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     IoError(io::Error),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.13s
[INFO] running `"docker" "inspect" "f4040f47982d3445d0d2a9d60e9c37e9b56fe4780573f097c5b7b94b1a3bb5da"`
[INFO] running `"docker" "rm" "-f" "f4040f47982d3445d0d2a9d60e9c37e9b56fe4780573f097c5b7b94b1a3bb5da"`
[INFO] [stdout] f4040f47982d3445d0d2a9d60e9c37e9b56fe4780573f097c5b7b94b1a3bb5da
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 56f971fd2e590256428f7a02db136238b9303bb2cc26629f8edec61d78457f4e
[INFO] running `"docker" "start" "-a" "56f971fd2e590256428f7a02db136238b9303bb2cc26629f8edec61d78457f4e"`
[INFO] [stderr]    Compiling md-toc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: struct is never constructed: `Config`
[INFO] [stderr]  --> src/config.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct Config {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_args`
[INFO] [stderr]   --> src/config.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub fn from_args(args:Vec<String>) -> Result<Config, MyError> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `generate_toc`
[INFO] [stderr]   --> src/config.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     pub fn generate_toc(&self) -> Result<(), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Usage`
[INFO] [stderr]  --> src/error.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Usage(String),
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `IoError`
[INFO] [stderr]  --> src/error.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     IoError(io::Error),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "56f971fd2e590256428f7a02db136238b9303bb2cc26629f8edec61d78457f4e"`
[INFO] running `"docker" "rm" "-f" "56f971fd2e590256428f7a02db136238b9303bb2cc26629f8edec61d78457f4e"`
[INFO] [stdout] 56f971fd2e590256428f7a02db136238b9303bb2cc26629f8edec61d78457f4e
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 95bf4f6053eb00d97f95092a25a82b7f3dca0de2eea01bec36f34d9f39fa0328
[INFO] running `"docker" "start" "-a" "95bf4f6053eb00d97f95092a25a82b7f3dca0de2eea01bec36f34d9f39fa0328"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/md_toc-592701758b853115
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/md_toc-8bb8bff78d0801fa
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "95bf4f6053eb00d97f95092a25a82b7f3dca0de2eea01bec36f34d9f39fa0328"`
[INFO] running `"docker" "rm" "-f" "95bf4f6053eb00d97f95092a25a82b7f3dca0de2eea01bec36f34d9f39fa0328"`
[INFO] [stdout] 95bf4f6053eb00d97f95092a25a82b7f3dca0de2eea01bec36f34d9f39fa0328