[INFO] cloning repository https://github.com/aunyks/flattie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aunyks/flattie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faunyks%2Fflattie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faunyks%2Fflattie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f56801a588cda0a13df8443788b4e727e6af789b
[INFO] documenting aunyks/flattie against 1.90.0 for beta-rustdoc-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faunyks%2Fflattie" "/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/aunyks/flattie
[INFO] finished tweaking git repo https://github.com/aunyks/flattie
[INFO] tweaked toml for git repo https://github.com/aunyks/flattie written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aunyks/flattie on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aunyks/flattie 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rsa v0.3.0
[INFO] [stderr]   Downloaded askama v0.10.5
[INFO] [stderr]   Downloaded v_escape_derive v0.8.5
[INFO] [stderr]   Downloaded tokio-rustls v0.14.1
[INFO] [stderr]   Downloaded quoted_printable v0.4.5
[INFO] [stderr]   Downloaded sqlx v0.4.2
[INFO] [stderr]   Downloaded password-hash v0.3.2
[INFO] [stderr]   Downloaded cargo_metadata v0.12.3
[INFO] [stderr]   Downloaded buf-min v0.4.0
[INFO] [stderr]   Downloaded actix-files v0.5.0
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded build_const v0.2.2
[INFO] [stderr]   Downloaded actix_derive v0.5.0
[INFO] [stderr]   Downloaded askama_escape v0.10.1
[INFO] [stderr]   Downloaded v_htmlescape v0.12.0
[INFO] [stderr]   Downloaded radium v0.5.3
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded base64ct v1.0.1
[INFO] [stderr]   Downloaded num-bigint-dig v0.6.1
[INFO] [stderr]   Downloaded actix-web v3.3.3
[INFO] [stderr]   Downloaded actix-web-actors v3.0.0
[INFO] [stderr]   Downloaded askama_shared v0.11.1
[INFO] [stderr]   Downloaded webpki-roots v0.22.2
[INFO] [stderr]   Downloaded ahash v0.6.3
[INFO] [stderr]   Downloaded askama_derive v0.10.5
[INFO] [stderr]   Downloaded nom v6.1.2
[INFO] [stderr]   Downloaded rustls v0.20.2
[INFO] [stderr]   Downloaded serde_json v1.0.73
[INFO] [stderr]   Downloaded fastrand v1.6.0
[INFO] [stderr]   Downloaded sqlx-core v0.4.2
[INFO] [stderr]   Downloaded hashlink v0.6.0
[INFO] [stderr]   Downloaded v_escape v0.15.0
[INFO] [stderr]   Downloaded sqlx-rt v0.2.0
[INFO] [stderr]   Downloaded crc32fast v1.3.0
[INFO] [stderr]   Downloaded argon2 v0.3.4
[INFO] [stderr]   Downloaded zeroize v1.4.3
[INFO] [stderr]   Downloaded lettre v0.10.0-rc.4
[INFO] [stderr]   Downloaded bitvec v0.19.6
[INFO] [stderr]   Downloaded sqlx-macros v0.4.2
[INFO] [stderr]   Downloaded actix v0.10.0
[INFO] [stderr]   Downloaded libsqlite3-sys v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e531272b41c27da0ba235fb47c9583cc220faea8449e96917b9a24d662c1a87
[INFO] running `Command { std: "docker" "start" "-a" "1e531272b41c27da0ba235fb47c9583cc220faea8449e96917b9a24d662c1a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e531272b41c27da0ba235fb47c9583cc220faea8449e96917b9a24d662c1a87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e531272b41c27da0ba235fb47c9583cc220faea8449e96917b9a24d662c1a87", kill_on_drop: false }`
[INFO] [stdout] 1e531272b41c27da0ba235fb47c9583cc220faea8449e96917b9a24d662c1a87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0803e6153da23657ed6e0a270c7b9d9ae6b9a9a562ea4b2e560be67ad775c82
[INFO] running `Command { std: "docker" "start" "-a" "d0803e6153da23657ed6e0a270c7b9d9ae6b9a9a562ea4b2e560be67ad775c82", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling futures-core v0.3.19
[INFO] [stderr]    Compiling futures-channel v0.3.19
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling futures-task v0.3.19
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling futures-util v0.3.19
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-sink v0.3.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.19
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking copyless v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]     Checking match_cfg v0.1.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling num-bigint-dig v0.6.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking tracing-core v0.1.23
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking tracing v0.1.32
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling encoding_rs v0.8.30
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.73
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling matches v0.1.9
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling cpufeatures v0.2.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.7
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]     Checking bytestring v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling ahash v0.4.7
[INFO] [stderr]    Compiling wyz v0.2.0
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling funty v1.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]    Compiling minimal-lexical v0.2.1
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling simple_asn1 v0.4.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling bitvec v0.19.6
[INFO] [stderr]    Compiling crypto-mac v0.10.1
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling v_escape v0.15.0
[INFO] [stderr]    Compiling unicode_categories v0.1.1
[INFO] [stderr]    Compiling webpki-roots v0.21.1
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling hmac v0.10.1
[INFO] [stderr]    Compiling hashlink v0.6.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling stringprep v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling sqlformat v0.1.8
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling md-5 v0.9.1
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.0
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling atoi v0.4.0
[INFO] [stderr]     Checking buf-min v0.4.0
[INFO] [stderr]    Compiling v_htmlescape v0.12.0
[INFO] [stderr]    Compiling whoami v1.2.1
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking base64ct v1.0.1
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling dotenv v0.15.0
[INFO] [stderr]     Checking rustls v0.20.2
[INFO] [stderr]     Checking blake2 v0.10.4
[INFO] [stderr]     Checking password-hash v0.3.2
[INFO] [stderr]     Checking webpki-roots v0.22.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking fastrand v1.6.0
[INFO] [stderr]     Checking quoted_printable v0.4.5
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking argon2 v0.3.4
[INFO] [stderr]    Compiling askama_shared v0.11.1
[INFO] [stderr]    Compiling futures-macro v0.3.19
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling actix-macros v0.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling zeroize_derive v1.2.2
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling zeroize v1.4.3
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]    Compiling actix-web-codegen v0.4.0
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling v_escape_derive v0.8.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]    Compiling actix_derive v0.5.0
[INFO] [stderr]    Compiling askama_derive v0.10.5
[INFO] [stderr]     Checking futures-executor v0.3.19
[INFO] [stderr]     Checking actix-service v1.0.6
[INFO] [stderr]     Checking futures v0.3.19
[INFO] [stderr]     Checking lettre v0.10.0-rc.4
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking actix-threadpool v0.3.3
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking trust-dns-proto v0.19.7
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking sqlx-rt v0.2.0
[INFO] [stderr]     Checking actix-codec v0.3.0
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking actix-utils v2.0.0
[INFO] [stderr]     Checking actix-server v1.0.4
[INFO] [stderr]     Checking actix-tls v2.0.0
[INFO] [stderr]     Checking actix-testing v1.0.1
[INFO] [stderr]     Checking trust-dns-resolver v0.19.7
[INFO] [stderr]     Checking actix-connect v2.0.0
[INFO] [stderr]     Checking actix v0.10.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking actix-router v0.2.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]    Compiling cargo-platform v0.1.2
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]     Checking rsa v0.3.0
[INFO] [stderr]     Checking sqlx-core v0.4.2
[INFO] [stderr]     Checking actix-http v2.2.1
[INFO] [stderr]     Checking askama v0.10.5
[INFO] [stderr]     Checking awc v2.0.3
[INFO] [stderr]     Checking actix-web v3.3.3
[INFO] [stderr]     Checking actix-cors v0.5.4
[INFO] [stderr]     Checking actix-web-actors v3.0.0
[INFO] [stderr]     Checking actix-files v0.5.0
[INFO] [stderr]    Compiling sqlx-macros v0.4.2
[INFO] [stderr]     Checking sqlx v0.4.2
[INFO] [stderr]  Documenting flattie v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, nom v6.1.2, sqlx-core v0.4.2, sqlx-macros v0.4.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 5`
[INFO] [stderr]    Generated /opt/rustwide/target/doc/flattie/index.html
[INFO] running `Command { std: "docker" "inspect" "d0803e6153da23657ed6e0a270c7b9d9ae6b9a9a562ea4b2e560be67ad775c82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0803e6153da23657ed6e0a270c7b9d9ae6b9a9a562ea4b2e560be67ad775c82", kill_on_drop: false }`
[INFO] [stdout] d0803e6153da23657ed6e0a270c7b9d9ae6b9a9a562ea4b2e560be67ad775c82
