[INFO] cloning repository https://github.com/richardcarls/polyserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/richardcarls/polyserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcarls%2Fpolyserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcarls%2Fpolyserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ab25eef7f6fb13f40222b6d1e4965002a7d710
[INFO] checking richardcarls/polyserve against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frichardcarls%2Fpolyserve" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/richardcarls/polyserve on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/richardcarls/polyserve
[INFO] finished tweaking git repo https://github.com/richardcarls/polyserve
[INFO] tweaked toml for git repo https://github.com/richardcarls/polyserve written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 222 packages
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding async-channel v1.9.0 (latest: v2.2.0)
[INFO] [stderr]       Adding async-io v1.13.0 (latest: v2.3.2)
[INFO] [stderr]       Adding async-lock v2.8.0 (latest: v3.3.0)
[INFO] [stderr]       Adding async-process v1.8.1 (latest: v2.2.0)
[INFO] [stderr]       Adding async-tls v0.7.0 (latest: v0.13.0)
[INFO] [stderr]       Adding base64 v0.11.0 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bytes v0.5.6 (latest: v1.6.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding clap v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_derive v3.2.25 (latest: v4.5.4)
[INFO] [stderr]       Adding clap_lex v0.2.4 (latest: v0.7.0)
[INFO] [stderr]       Adding config v0.11.0 (latest: v0.14.0)
[INFO] [stderr]       Adding crossbeam-queue v0.2.3 (latest: v0.3.11)
[INFO] [stderr]       Adding crossbeam-utils v0.7.2 (latest: v0.8.19)
[INFO] [stderr]       Adding env_logger v0.9.3 (latest: v0.11.3)
[INFO] [stderr]       Adding event-listener v2.5.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v3.1.0 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener v4.0.3 (latest: v5.3.0)
[INFO] [stderr]       Adding event-listener-strategy v0.4.0 (latest: v0.5.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gloo-timers v0.2.6 (latest: v0.3.0)
[INFO] [stderr]       Adding h2 v0.2.7 (latest: v0.4.4)
[INFO] [stderr]       Adding handlebars v4.5.0 (latest: v5.1.2)
[INFO] [stderr]       Adding hashbrown v0.12.3 (latest: v0.14.3)
[INFO] [stderr]       Adding headers v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding headers-core v0.2.0 (latest: v0.3.0)
[INFO] [stderr]       Adding heck v0.4.1 (latest: v0.5.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
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[INFO] [stderr]       Adding lexical-core v0.7.6 (latest: v0.8.5)
[INFO] [stderr]       Adding linux-raw-sys v0.3.8 (latest: v0.6.4)
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[INFO] [stderr]       Adding nom v5.1.3 (latest: v7.1.3)
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding os_str_bytes v6.6.1 (latest: v7.0.0)
[INFO] [stderr]       Adding pin-project-lite v0.1.12 (latest: v0.2.14)
[INFO] [stderr]       Adding polling v2.8.0 (latest: v3.6.0)
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[INFO] [stderr]       Adding roa v0.5.3 (latest: v0.6.1)
[INFO] [stderr]       Adding roa-core v0.5.1 (latest: v0.6.1)
[INFO] [stderr]       Adding rust-ini v0.13.0 (latest: v0.21.0)
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[INFO] [stderr]       Adding serde v0.8.23 (latest: v1.0.197)
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[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tokio v0.2.25 (latest: v1.37.0)
[INFO] [stderr]       Adding tokio-util v0.3.1 (latest: v0.7.10)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.12)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding webpki v0.21.4 (latest: v0.22.4)
[INFO] [stderr]       Adding webpki-roots v0.19.0 (latest: v0.26.1)
[INFO] [stderr]       Adding windows-core v0.52.0 (latest: v0.55.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
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[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 28606323793e988f8d48e7bab7c8f6842aca149b98607f426081851b3eb84624
[INFO] running `Command { std: "docker" "start" "-a" "28606323793e988f8d48e7bab7c8f6842aca149b98607f426081851b3eb84624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28606323793e988f8d48e7bab7c8f6842aca149b98607f426081851b3eb84624", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28606323793e988f8d48e7bab7c8f6842aca149b98607f426081851b3eb84624", kill_on_drop: false }`
[INFO] [stdout] 28606323793e988f8d48e7bab7c8f6842aca149b98607f426081851b3eb84624
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d29635acf7f05e3b8c448cf738951245c679973c4054288749224a18b29a39
[INFO] running `Command { std: "docker" "start" "-a" "67d29635acf7f05e3b8c448cf738951245c679973c4054288749224a18b29a39", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking value-bag v1.8.1
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]    Compiling rustix v0.38.32
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking linux-raw-sys v0.4.13
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling ucd-trie v0.1.6
[INFO] [stderr]     Checking tokio-util v0.3.1
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[INFO] [stderr]     Checking blocking v1.5.1
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[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking async-executor v1.9.1
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[INFO] [stderr]     Checking try-lock v0.2.5
[INFO] [stderr]    Compiling async-trait v0.1.79
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling nom v5.1.3
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking polling v3.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking async-io v2.3.2
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking async-signal v0.2.5
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking async-process v1.8.1
[INFO] [stderr]     Checking async-global-executor v2.4.1
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[INFO] [stderr]     Checking futures-util v0.3.30
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[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking serde v0.8.23
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[INFO] [stderr]    Compiling anyhow v1.0.81
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]    Compiling pest v2.7.9
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]     Checking headers v0.3.9
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling pest_meta v2.7.9
[INFO] [stderr]     Checking bytesize v1.3.0
[INFO] [stderr]     Checking iana-time-zone v0.1.60
[INFO] [stderr]     Checking rust-ini v0.13.0
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking textwrap v0.16.1
[INFO] [stderr]     Checking futures-timer v3.0.3
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]     Checking chrono v0.4.37
[INFO] [stderr]     Checking urlencoding v2.1.3
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling pest_generator v2.7.9
[INFO] [stderr]     Checking async-tls v0.7.0
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]    Compiling pest_derive v2.7.9
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking config v0.11.0
[INFO] [stderr]     Checking handlebars v4.5.0
[INFO] [stderr]     Checking roa-core v0.5.1
[INFO] [stderr]     Checking roa v0.5.3
[INFO] [stderr]     Checking polyserve v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `roa` is imported redundantly
[INFO] [stdout]  --> src/app.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use roa;
[INFO] [stdout]   |     ^^^ the item `roa` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TlsListener` is imported redundantly
[INFO] [stdout]  --> src/app.rs:9:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use roa::preload::*;
[INFO] [stdout]   |     --------------- the item `TlsListener` is already imported here
[INFO] [stdout] 9 | use roa::tls::{TlsListener, ServerConfig, NoClientAuth};
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/middleware/serve_file.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime_guess` is imported redundantly
[INFO] [stdout]  --> src/middleware/serve_file.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mime_guess;
[INFO] [stdout]   |     ^^^^^^^^^^ the item `mime_guess` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/middleware/hbs/render_hbs.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `mime` is imported redundantly
[INFO] [stdout]  --> src/middleware/auto_index.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use mime;
[INFO] [stdout]   |     ^^^^ the item `mime` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uri_path` and `ancestors` are never read
[INFO] [stdout]   --> src/resource.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Resource {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 13 |     root_path: PathBuf,
[INFO] [stdout] 14 |     uri_path: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 15 |     fs_path: PathBuf,
[INFO] [stdout] 16 |     ancestors: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Resource` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ancestors` is never used
[INFO] [stdout]   --> src/resource.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Resource {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn ancestors(&self) -> Vec<&Path> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 21s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: roa-core v0.5.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "67d29635acf7f05e3b8c448cf738951245c679973c4054288749224a18b29a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d29635acf7f05e3b8c448cf738951245c679973c4054288749224a18b29a39", kill_on_drop: false }`
[INFO] [stdout] 67d29635acf7f05e3b8c448cf738951245c679973c4054288749224a18b29a39