[INFO] cloning repository https://github.com/sebmaz93/async_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sebmaz93/async_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Fasync_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Fasync_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b50865339994e7df92a719ceb74b2a5800b45905 [INFO] building sebmaz93/async_rust against master#44f415c1d617ebc7b931a243b7b321ef8a6ca47c for pr-142134-abi-ast-error [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsebmaz93%2Fasync_rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sebmaz93/async_rust on toolchain 44f415c1d617ebc7b931a243b7b321ef8a6ca47c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sebmaz93/async_rust [INFO] finished tweaking git repo https://github.com/sebmaz93/async_rust [INFO] tweaked toml for git repo https://github.com/sebmaz93/async_rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/sebmaz93/async_rust 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" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 695a33fce69f039d6452bda31108c63507152899b8e7bb13c97276cc4c2e3382 [INFO] running `Command { std: "docker" "start" "-a" "695a33fce69f039d6452bda31108c63507152899b8e7bb13c97276cc4c2e3382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "695a33fce69f039d6452bda31108c63507152899b8e7bb13c97276cc4c2e3382", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "695a33fce69f039d6452bda31108c63507152899b8e7bb13c97276cc4c2e3382", kill_on_drop: false }` [INFO] [stdout] 695a33fce69f039d6452bda31108c63507152899b8e7bb13c97276cc4c2e3382 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5f9b87d5ff25971452f33281be541ef9e1d68c0cdc8a020f179f78e0eb1f4def [INFO] running `Command { std: "docker" "start" "-a" "5f9b87d5ff25971452f33281be541ef9e1d68c0cdc8a020f179f78e0eb1f4def", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.60 [INFO] [stderr] Compiling quote v1.0.28 [INFO] [stderr] Compiling unicode-ident v1.0.9 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Compiling cc v1.0.79 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Compiling parking_lot_core v0.9.8 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling bytes v1.4.0 [INFO] [stderr] Compiling futures-sink v0.3.28 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling pin-utils v0.1.0 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling futures-io v0.3.28 [INFO] [stderr] Compiling tracing-core v0.1.31 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.54 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling hashbrown v0.12.3 [INFO] [stderr] Compiling tinyvec_macros v0.1.1 [INFO] [stderr] Compiling lock_api v0.4.10 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling tokio v1.28.2 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling http v0.2.9 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Compiling syn v2.0.18 [INFO] [stderr] Compiling tinyvec v1.6.0 [INFO] [stderr] Compiling try-lock v0.2.4 [INFO] [stderr] Compiling openssl-probe v0.1.5 [INFO] [stderr] Compiling serde v1.0.164 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Compiling percent-encoding v2.3.0 [INFO] [stderr] Compiling want v0.3.1 [INFO] [stderr] Compiling form_urlencoded v1.2.0 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling httpdate v1.0.2 [INFO] [stderr] Compiling tower-service v0.3.2 [INFO] [stderr] Compiling unicode-bidi v0.3.13 [INFO] [stderr] Compiling aho-corasick v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.7.2 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling encoding_rs v0.8.32 [INFO] [stderr] Compiling http-body v0.4.5 [INFO] [stderr] Compiling humantime v2.1.0 [INFO] [stderr] Compiling mime v0.3.17 [INFO] [stderr] Compiling ipnet v2.7.2 [INFO] [stderr] Compiling termcolor v1.2.0 [INFO] [stderr] Compiling openssl-sys v0.9.88 [INFO] [stderr] Compiling unicode-normalization v0.1.22 [INFO] [stderr] Compiling base64 v0.21.2 [INFO] [stderr] Compiling num_cpus v1.15.0 [INFO] [stderr] Compiling signal-hook-registry v1.4.1 [INFO] [stderr] Compiling socket2 v0.4.9 [INFO] [stderr] Compiling mio v0.8.8 [INFO] [stderr] Compiling idna v0.4.0 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling url v2.4.0 [INFO] [stderr] Compiling regex v1.8.4 [INFO] [stderr] Compiling serde_urlencoded v0.7.1 [INFO] [stderr] Compiling is-terminal v0.4.7 [INFO] [stderr] Compiling env_logger v0.10.0 [INFO] [stderr] Compiling tokio-macros v2.1.0 [INFO] [stderr] Compiling futures-macro v0.3.28 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling futures-executor v0.3.28 [INFO] [stderr] Compiling futures v0.3.28 [INFO] [stderr] Compiling tokio-util v0.7.8 [INFO] [stderr] Compiling tokio-native-tls v0.3.1 [INFO] [stderr] Compiling h2 v0.3.19 [INFO] [stderr] Compiling hyper v0.14.26 [INFO] [stderr] Compiling hyper-tls v0.5.0 [INFO] [stderr] Compiling reqwest v0.11.18 [INFO] [stderr] Compiling async_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/async_tut.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::prelude` [INFO] [stdout] --> src/async_tut.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/async_tut.rs:33:6 [INFO] [stdout] | [INFO] [stdout] 33 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_and_analyze` is never used [INFO] [stdout] --> src/async_tut.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn get_and_analyze(n: usize) -> Result<(u64, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `analyze` is never used [INFO] [stdout] --> src/async_tut.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn analyze(txt: &str) -> (u64, u64) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `app` is never used [INFO] [stdout] --> src/async_tut.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | async fn app() -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/async_tut.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.08s [INFO] running `Command { std: "docker" "inspect" "5f9b87d5ff25971452f33281be541ef9e1d68c0cdc8a020f179f78e0eb1f4def", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5f9b87d5ff25971452f33281be541ef9e1d68c0cdc8a020f179f78e0eb1f4def", kill_on_drop: false }` [INFO] [stdout] 5f9b87d5ff25971452f33281be541ef9e1d68c0cdc8a020f179f78e0eb1f4def [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+44f415c1d617ebc7b931a243b7b321ef8a6ca47c" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 692f8ea64f237b0c1fd4e658733e1b5555dfe4c977d27a5364507f404085f7d6 [INFO] running `Command { std: "docker" "start" "-a" "692f8ea64f237b0c1fd4e658733e1b5555dfe4c977d27a5364507f404085f7d6", kill_on_drop: false }` [INFO] [stderr] Compiling async_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/async_tut.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `futures::prelude` [INFO] [stdout] --> src/async_tut.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use futures::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `Result` is never used [INFO] [stdout] --> src/async_tut.rs:33:6 [INFO] [stdout] | [INFO] [stdout] 33 | type Result = std::result::Result>; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `get_and_analyze` is never used [INFO] [stdout] --> src/async_tut.rs:35:10 [INFO] [stdout] | [INFO] [stdout] 35 | async fn get_and_analyze(n: usize) -> Result<(u64, u64)> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `analyze` is never used [INFO] [stdout] --> src/async_tut.rs:47:4 [INFO] [stdout] | [INFO] [stdout] 47 | fn analyze(txt: &str) -> (u64, u64) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `app` is never used [INFO] [stdout] --> src/async_tut.rs:60:10 [INFO] [stdout] | [INFO] [stdout] 60 | async fn app() -> Result<()> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `main` is never used [INFO] [stdout] --> src/async_tut.rs:99:4 [INFO] [stdout] | [INFO] [stdout] 99 | fn main() {} [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s [INFO] running `Command { std: "docker" "inspect" "692f8ea64f237b0c1fd4e658733e1b5555dfe4c977d27a5364507f404085f7d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "692f8ea64f237b0c1fd4e658733e1b5555dfe4c977d27a5364507f404085f7d6", kill_on_drop: false }` [INFO] [stdout] 692f8ea64f237b0c1fd4e658733e1b5555dfe4c977d27a5364507f404085f7d6