[INFO] cloning repository https://github.com/jimblandy/book-async-examples [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jimblandy/book-async-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fbook-async-examples", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fbook-async-examples'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3fd491b39e12dd9ff2030664d62c0e99dea15b5b [INFO] building jimblandy/book-async-examples against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimblandy%2Fbook-async-examples" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/jimblandy/book-async-examples [INFO] finished tweaking git repo https://github.com/jimblandy/book-async-examples [INFO] tweaked toml for git repo https://github.com/jimblandy/book-async-examples written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/jimblandy/book-async-examples on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/jimblandy/book-async-examples 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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d40dca67aae149719ad450a81b0b7851470b438a08bc7239c1880080bb153c26 [INFO] running `Command { std: "docker" "start" "-a" "d40dca67aae149719ad450a81b0b7851470b438a08bc7239c1880080bb153c26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d40dca67aae149719ad450a81b0b7851470b438a08bc7239c1880080bb153c26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d40dca67aae149719ad450a81b0b7851470b438a08bc7239c1880080bb153c26", kill_on_drop: false }` [INFO] [stdout] d40dca67aae149719ad450a81b0b7851470b438a08bc7239c1880080bb153c26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a4a57b403956f403ca7ebe7fec2d640bf023776c24fc37cd9baa7e2079bd21e9 [INFO] running `Command { std: "docker" "start" "-a" "a4a57b403956f403ca7ebe7fec2d640bf023776c24fc37cd9baa7e2079bd21e9", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.89 [INFO] [stderr] Compiling unicode-ident v1.0.13 [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Compiling bytes v1.8.0 [INFO] [stderr] Compiling litemap v0.7.3 [INFO] [stderr] Compiling tracing-core v0.1.32 [INFO] [stderr] Compiling hashbrown v0.15.1 [INFO] [stderr] Compiling serde v1.0.215 [INFO] [stderr] Compiling cc v1.2.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling serde_json v1.0.132 [INFO] [stderr] Compiling sync_wrapper v1.0.1 [INFO] [stderr] Compiling unicase v2.8.0 [INFO] [stderr] Compiling sha1 v0.10.6 [INFO] [stderr] Compiling multer v2.1.0 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Compiling spin v0.9.8 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling scoped-tls v1.0.1 [INFO] [stderr] Compiling termcolor v1.4.1 [INFO] [stderr] Compiling mime_guess v2.0.5 [INFO] [stderr] Compiling tracing v0.1.40 [INFO] [stderr] Compiling http v1.1.0 [INFO] [stderr] Compiling http v0.2.12 [INFO] [stderr] Compiling indexmap v2.6.0 [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling signal-hook-registry v1.4.2 [INFO] [stderr] Compiling mio v1.0.2 [INFO] [stderr] Compiling socket2 v0.5.7 [INFO] [stderr] Compiling openssl-sys v0.9.104 [INFO] [stderr] Compiling getrandom v0.2.15 [INFO] [stderr] Compiling http-body v1.0.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling http-body v0.4.6 [INFO] [stderr] Compiling headers v0.3.9 [INFO] [stderr] Compiling openssl v0.10.68 [INFO] [stderr] Compiling native-tls v0.2.12 [INFO] [stderr] Compiling regex-automata v0.4.9 [INFO] [stderr] Compiling http-body-util v0.1.2 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling env_logger v0.9.3 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.215 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling thiserror-impl v1.0.69 [INFO] [stderr] Compiling pin-project-internal v1.1.7 [INFO] [stderr] Compiling tokio v1.41.1 [INFO] [stderr] Compiling pin-project v1.1.7 [INFO] [stderr] Compiling zerocopy v0.7.35 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Compiling ppv-lite86 v0.2.20 [INFO] [stderr] Compiling zerofrom v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling yoke v0.7.4 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling tokio-util v0.7.12 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling recursive v0.1.0 (/opt/rustwide/workdir/recursive) [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling h2 v0.4.6 [INFO] [stderr] Compiling argh_shared v0.1.12 [INFO] [stderr] Compiling h2 v0.3.26 [INFO] [stderr] Compiling argh_derive v0.1.12 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling explicit-futures v0.1.0 (/opt/rustwide/workdir/explicit-futures) [INFO] [stderr] Compiling dropped-futures v0.1.0 (/opt/rustwide/workdir/dropped-futures) [INFO] [stdout] warning: function `copying_print` is never used [INFO] [stdout] --> explicit-futures/src/bin/credits-async-block.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn copying_print(message: &str) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bad_print_lifetime` is never used [INFO] [stdout] --> explicit-futures/src/bin/credits-async-block.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | async fn bad_print_lifetime(star: &str, costar: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> dropped-futures/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | print("Bonnie"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling argh v0.1.12 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling hyper v0.14.31 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling hyper v1.5.0 [INFO] [stderr] Compiling url v2.5.3 [INFO] [stderr] Compiling hyper-util v0.1.10 [INFO] [stderr] Compiling tungstenite v0.21.0 [INFO] [stderr] Compiling tokio-tungstenite v0.21.0 [INFO] [stderr] Compiling hyper-tls v0.6.0 [INFO] [stderr] Compiling reqwest v0.12.9 [INFO] [stderr] Compiling warp v0.3.7 [INFO] [stderr] Compiling wikipedia-reachable v0.1.0 (/opt/rustwide/workdir/wikipedia-reachable) [INFO] [stderr] Compiling reqwest-wikipedia v0.1.0 (/opt/rustwide/workdir/reqwest-wikipedia) [INFO] [stderr] Compiling reqwest-wikipedia-parsed v0.1.0 (/opt/rustwide/workdir/reqwest-wikipedia-parsed) [INFO] [stdout] warning: unused import: `std::future::Future` [INFO] [stdout] --> reqwest-wikipedia/src/bin/sync-function.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling async-treesitter v0.1.0 (/opt/rustwide/workdir/async-treesitter) [INFO] [stderr] Compiling mock-wikipedia-api v0.1.0 (/opt/rustwide/workdir/mock-wikipedia-api) [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> async-treesitter/src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ParseRust { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 42 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseRust` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 07s [INFO] running `Command { std: "docker" "inspect" "a4a57b403956f403ca7ebe7fec2d640bf023776c24fc37cd9baa7e2079bd21e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4a57b403956f403ca7ebe7fec2d640bf023776c24fc37cd9baa7e2079bd21e9", kill_on_drop: false }` [INFO] [stdout] a4a57b403956f403ca7ebe7fec2d640bf023776c24fc37cd9baa7e2079bd21e9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0d0f1a793d4c59038ab52118bee75da4f102516b03829f7216d94ae0841d5f7b [INFO] running `Command { std: "docker" "start" "-a" "0d0f1a793d4c59038ab52118bee75da4f102516b03829f7216d94ae0841d5f7b", kill_on_drop: false }` [INFO] [stderr] Compiling explicit-futures v0.1.0 (/opt/rustwide/workdir/explicit-futures) [INFO] [stderr] Compiling recursive v0.1.0 (/opt/rustwide/workdir/recursive) [INFO] [stderr] Compiling dropped-futures v0.1.0 (/opt/rustwide/workdir/dropped-futures) [INFO] [stderr] Compiling reqwest-wikipedia v0.1.0 (/opt/rustwide/workdir/reqwest-wikipedia) [INFO] [stderr] Compiling wikipedia-reachable v0.1.0 (/opt/rustwide/workdir/wikipedia-reachable) [INFO] [stderr] Compiling reqwest-wikipedia-parsed v0.1.0 (/opt/rustwide/workdir/reqwest-wikipedia-parsed) [INFO] [stderr] Compiling mock-wikipedia-api v0.1.0 (/opt/rustwide/workdir/mock-wikipedia-api) [INFO] [stderr] Compiling async-treesitter v0.1.0 (/opt/rustwide/workdir/async-treesitter) [INFO] [stdout] warning: unused import: `std::future::Future` [INFO] [stdout] --> reqwest-wikipedia/src/bin/sync-function.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::future::Future; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `copying_print` is never used [INFO] [stdout] --> explicit-futures/src/bin/credits-async-block.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn copying_print(message: &str) -> impl Future { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bad_print_lifetime` is never used [INFO] [stdout] --> explicit-futures/src/bin/credits-async-block.rs:14:10 [INFO] [stdout] | [INFO] [stdout] 14 | async fn bad_print_lifetime(star: &str, costar: &str) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Future` that must be used [INFO] [stdout] --> dropped-futures/src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | print("Bonnie"); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: futures do nothing unless you `.await` or poll them [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `source` is never read [INFO] [stdout] --> async-treesitter/src/main.rs:42:5 [INFO] [stdout] | [INFO] [stdout] 41 | struct ParseRust { [INFO] [stdout] | --------- field in this struct [INFO] [stdout] 42 | source: String, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ParseRust` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.86s [INFO] running `Command { std: "docker" "inspect" "0d0f1a793d4c59038ab52118bee75da4f102516b03829f7216d94ae0841d5f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d0f1a793d4c59038ab52118bee75da4f102516b03829f7216d94ae0841d5f7b", kill_on_drop: false }` [INFO] [stdout] 0d0f1a793d4c59038ab52118bee75da4f102516b03829f7216d94ae0841d5f7b