[INFO] cloning repository https://github.com/smallswan/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smallswan/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7ada033ed6c9926ff8b751174414e54324be3ef2 [INFO] documenting smallswan/rust-by-example against 1.61.0 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmallswan%2Frust-by-example" "/workspace/builds/worker-31/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smallswan/rust-by-example on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/smallswan/rust-by-example [INFO] finished tweaking git repo https://github.com/smallswan/rust-by-example [INFO] tweaked toml for git repo https://github.com/smallswan/rust-by-example written to /workspace/builds/worker-31/source/Cargo.toml [INFO] crate git repo https://github.com/smallswan/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded qrcode v0.11.2 [INFO] [stderr] Downloaded libsm v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d2a060424e525d44afa68945a7f8204682969a2bdd3bab02aa3f2b9382c098d9 [INFO] running `Command { std: "docker" "start" "-a" "d2a060424e525d44afa68945a7f8204682969a2bdd3bab02aa3f2b9382c098d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d2a060424e525d44afa68945a7f8204682969a2bdd3bab02aa3f2b9382c098d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2a060424e525d44afa68945a7f8204682969a2bdd3bab02aa3f2b9382c098d9", kill_on_drop: false }` [INFO] [stdout] d2a060424e525d44afa68945a7f8204682969a2bdd3bab02aa3f2b9382c098d9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93565d256ae7e376320c704e033ec20138f5633a2c8b81d3035de25f625abb5f [INFO] running `Command { std: "docker" "start" "-a" "93565d256ae7e376320c704e033ec20138f5633a2c8b81d3035de25f625abb5f", 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] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking zeroize v1.4.3 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking png v0.16.3 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking universal-hash v0.4.1 [INFO] [stderr] Checking aead v0.4.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking polyval v0.5.3 [INFO] [stderr] Checking poly1305 v0.7.2 [INFO] [stderr] Checking aes v0.7.5 [INFO] [stderr] Checking chacha20 v0.8.1 [INFO] [stderr] Checking ctr v0.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking ghash v0.4.4 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking chacha20poly1305 v0.9.0 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking aes-gcm v0.9.4 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking yasna v0.3.2 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking qrcode v0.11.2 [INFO] [stderr] Checking libsm v0.4.0 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Checking image v0.23.4 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Documenting rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.16s [INFO] running `Command { std: "docker" "inspect" "93565d256ae7e376320c704e033ec20138f5633a2c8b81d3035de25f625abb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93565d256ae7e376320c704e033ec20138f5633a2c8b81d3035de25f625abb5f", kill_on_drop: false }` [INFO] [stdout] 93565d256ae7e376320c704e033ec20138f5633a2c8b81d3035de25f625abb5f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 23b30effe11c7f9a87517be34fa5bcae0118989e972a44e7e98227d8fbebeb90 [INFO] running `Command { std: "docker" "start" "-a" "23b30effe11c7f9a87517be34fa5bcae0118989e972a44e7e98227d8fbebeb90", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.113 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling typenum v1.15.0 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking cpufeatures v0.2.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Checking subtle v2.4.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.19 [INFO] [stderr] Compiling futures-core v0.3.15 [INFO] [stderr] Checking opaque-debug v0.3.0 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Compiling futures-task v0.3.15 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling proc-macro-nested v0.1.6 [INFO] [stderr] Compiling futures-channel v0.3.15 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling const_fn v0.4.5 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling crc32fast v1.2.0 [INFO] [stderr] Checking futures-sink v0.3.15 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking futures-io v0.3.15 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Checking lzw v0.10.0 [INFO] [stderr] Checking pin-project-lite v0.2.6 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking color_quant v1.0.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking zeroize v1.4.3 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Checking once_cell v1.7.2 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking scoped_threadpool v0.1.9 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Checking bytemuck v1.2.0 [INFO] [stderr] Compiling hex-literal v0.3.4 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking base64 v0.13.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.1 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling futures-macro v0.3.15 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-bigint v0.4.0 [INFO] [stderr] Compiling futures-util v0.3.15 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-rational v0.4.0 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking inflate v0.4.5 [INFO] [stderr] Checking miniz_oxide v0.3.6 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking gif v0.10.3 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling generic-array v0.14.5 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking deflate v0.8.4 [INFO] [stderr] Checking tiff v0.4.0 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking idna v0.2.3 [INFO] [stderr] Checking crossbeam-queue v0.2.1 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking png v0.16.3 [INFO] [stderr] Checking universal-hash v0.4.1 [INFO] [stderr] Checking cipher v0.3.0 [INFO] [stderr] Checking aead v0.4.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.1 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking polyval v0.5.3 [INFO] [stderr] Checking poly1305 v0.7.2 [INFO] [stderr] Checking chacha20 v0.8.1 [INFO] [stderr] Checking aes v0.7.5 [INFO] [stderr] Checking ctr v0.8.0 [INFO] [stderr] Checking ghash v0.4.4 [INFO] [stderr] Checking num-bigint v0.1.44 [INFO] [stderr] Checking chrono v0.4.11 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking chacha20poly1305 v0.9.0 [INFO] [stderr] Checking rayon v1.3.0 [INFO] [stderr] Checking aes-gcm v0.9.4 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking yasna v0.3.2 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking qrcode v0.11.2 [INFO] [stderr] Checking libsm v0.4.0 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Checking jpeg-decoder v0.1.19 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Checking image v0.23.4 [INFO] [stderr] Checking futures-executor v0.3.15 [INFO] [stderr] Checking futures v0.3.15 [INFO] [stderr] Checking serde_json v1.0.50 [INFO] [stderr] Checking toml v0.5.8 [INFO] [stderr] Documenting rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.70s [INFO] running `Command { std: "docker" "inspect" "23b30effe11c7f9a87517be34fa5bcae0118989e972a44e7e98227d8fbebeb90", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23b30effe11c7f9a87517be34fa5bcae0118989e972a44e7e98227d8fbebeb90", kill_on_drop: false }` [INFO] [stdout] 23b30effe11c7f9a87517be34fa5bcae0118989e972a44e7e98227d8fbebeb90