[INFO] cloning repository https://github.com/startewho/texttoepub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/startewho/texttoepub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartewho%2Ftexttoepub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartewho%2Ftexttoepub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 623ea6dc59945334425919497a1b37fd7ff4823c
[INFO] checking startewho/texttoepub against master#cced03bfd61a304243a34504618ecec86c17063f for pr-157082
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstartewho%2Ftexttoepub" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/startewho/texttoepub
[INFO] finished tweaking git repo https://github.com/startewho/texttoepub
[INFO] tweaked toml for git repo https://github.com/startewho/texttoepub written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/startewho/texttoepub on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/startewho/texttoepub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded proc-macro-error v0.4.9
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.9
[INFO] [stderr]   Downloaded syn-mid v0.5.0
[INFO] [stderr]   Downloaded rustversion v1.0.2
[INFO] [stderr]   Downloaded time v0.1.42
[INFO] [stderr]   Downloaded unicode-width v0.1.7
[INFO] [stderr]   Downloaded mustache v0.9.0
[INFO] [stderr]   Downloaded rayon-core v1.7.0
[INFO] [stderr]   Downloaded miniz_oxide v0.3.5
[INFO] [stderr]   Downloaded cc v1.0.49
[INFO] [stderr]   Downloaded flate2 v1.0.13
[INFO] [stderr]   Downloaded backtrace v0.3.40
[INFO] [stderr]   Downloaded chrono v0.4.10
[INFO] [stderr]   Downloaded syn v1.0.16
[INFO] [stderr]   Downloaded rayon v1.3.0
[INFO] [stderr]   Downloaded regex v1.3.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.12
[INFO] [stderr]   Downloaded encoding_rs v0.8.22
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded epub-builder v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc
[INFO] running `Command { std: "docker" "start" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking epub-builder v0.4.4
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling structopt-derive v0.4.2
[INFO] [stderr]     Checking structopt v0.3.9
[INFO] [stderr]     Checking texttoepub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `epub_builder::ReferenceType`
[INFO] [stdout]  --> src/epub.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use epub_builder::ReferenceType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `epub_builder::ReferenceType`
[INFO] [stdout]  --> src/epub.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use epub_builder::ReferenceType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/meta.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_chapter<'a>(&'a self) -> &[Chapter<'a>] {
[INFO] [stdout]    |                             --          ^^^^^^^^^^--^^
[INFO] [stdout]    |                             |           |         |
[INFO] [stdout]    |                             |           |         the same lifetime is named here
[INFO] [stdout]    |                             |           the same lifetime is elided here
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_chapter<'a>(&'a self) -> &'a [Chapter<'a>] {
[INFO] [stdout]    |                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/meta.rs:65:41
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_chapter<'a>(&'a self) -> &[Chapter<'a>] {
[INFO] [stdout]    |                             --          ^^^^^^^^^^--^^
[INFO] [stdout]    |                             |           |         |
[INFO] [stdout]    |                             |           |         the same lifetime is named here
[INFO] [stdout]    |                             |           the same lifetime is elided here
[INFO] [stdout]    |                             the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn get_chapter<'a>(&'a self) -> &'a [Chapter<'a>] {
[INFO] [stdout]    |                                          ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.02s
[INFO] running `Command { std: "docker" "inspect" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc", kill_on_drop: false }`
[INFO] [stdout] dd25d63d79c12cb9599305fa693cdd84fab8d309e128239a909686df40e6b6dc
