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[INFO] [stdout] 3fd491b39e12dd9ff2030664d62c0e99dea15b5b
[INFO] building jimblandy/book-async-examples against master#c7f6aa2869acdbf014d094c6e427e554e160b6db 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-tc1/source", kill_on_drop: false }`
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[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
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[INFO] validating manifest of git repo https://github.com/jimblandy/book-async-examples on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
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[INFO] crate git repo https://github.com/jimblandy/book-async-examples already has a lockfile, it will not be regenerated
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[INFO] [stderr]    Compiling explicit-futures v0.1.0 (/opt/rustwide/workdir/explicit-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<Output = ()> {
[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] 
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[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 17s
[INFO] running `Command { std: "docker" "inspect" "d99fbdaad65df4cbeb5c9b0e4953937680dba435e12a309fb4c55a64dc3386ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99fbdaad65df4cbeb5c9b0e4953937680dba435e12a309fb4c55a64dc3386ee", kill_on_drop: false }`
[INFO] [stdout] d99fbdaad65df4cbeb5c9b0e4953937680dba435e12a309fb4c55a64dc3386ee
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d79f31a8b4dc80e633ce0df02d8949dfd774278804f5a69e7a7e4551d255ca0
[INFO] running `Command { std: "docker" "start" "-a" "7d79f31a8b4dc80e633ce0df02d8949dfd774278804f5a69e7a7e4551d255ca0", 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-parsed v0.1.0 (/opt/rustwide/workdir/reqwest-wikipedia-parsed)
[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 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 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: 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<Output = ()> {
[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: 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 3.05s
[INFO] running `Command { std: "docker" "inspect" "7d79f31a8b4dc80e633ce0df02d8949dfd774278804f5a69e7a7e4551d255ca0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d79f31a8b4dc80e633ce0df02d8949dfd774278804f5a69e7a7e4551d255ca0", kill_on_drop: false }`
[INFO] [stdout] 7d79f31a8b4dc80e633ce0df02d8949dfd774278804f5a69e7a7e4551d255ca0
