[INFO] fetching crate backgeard 0.1.0... [INFO] testing backgeard-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate backgeard 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate backgeard 0.1.0 [INFO] finished tweaking crates.io crate backgeard 0.1.0 [INFO] tweaked toml for crates.io crate backgeard 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate backgeard 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate backgeard 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 55d479e459637b4495a1f07bac461d93318834a48ae1a945320f9cacb2f6ac51 [INFO] running `Command { std: "docker" "start" "-a" "55d479e459637b4495a1f07bac461d93318834a48ae1a945320f9cacb2f6ac51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "55d479e459637b4495a1f07bac461d93318834a48ae1a945320f9cacb2f6ac51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "55d479e459637b4495a1f07bac461d93318834a48ae1a945320f9cacb2f6ac51", kill_on_drop: false }` [INFO] [stdout] 55d479e459637b4495a1f07bac461d93318834a48ae1a945320f9cacb2f6ac51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cccab5790c420890187b17101d619f812e08cbc0caa438a1fb3a37b6adff7691 [INFO] running `Command { std: "docker" "start" "-a" "cccab5790c420890187b17101d619f812e08cbc0caa438a1fb3a37b6adff7691", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.70 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling proc-macro2 v1.0.14 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling syn v1.0.23 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling futures-core v0.3.5 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling unicase v1.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.4 [INFO] [stderr] Compiling siphasher v0.2.3 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling futures-sink v0.3.5 [INFO] [stderr] Compiling once_cell v1.4.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling proc-macro-hack v0.5.15 [INFO] [stderr] Compiling futures-task v0.3.5 [INFO] [stderr] Compiling byte-tools v0.3.1 [INFO] [stderr] Compiling futures-channel v0.3.5 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling phf_shared v0.7.24 [INFO] [stderr] Compiling futures-io v0.3.5 [INFO] [stderr] Compiling arc-swap v0.4.6 [INFO] [stderr] Compiling http v0.2.1 [INFO] [stderr] Compiling smallvec v1.4.0 [INFO] [stderr] Compiling block-padding v0.1.5 [INFO] [stderr] Compiling pin-project-lite v0.1.5 [INFO] [stderr] Compiling quote v1.0.6 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling phf v0.7.24 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling fake-simd v0.1.2 [INFO] [stderr] Compiling opaque-debug v0.2.3 [INFO] [stderr] Compiling serde v1.0.110 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling ryu v1.0.4 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling mime v0.2.6 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Compiling input_buffer v0.3.1 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling utf-8 v0.7.5 [INFO] [stderr] Compiling buf_redux v0.8.4 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling digest v0.8.1 [INFO] [stderr] Compiling block-buffer v0.7.3 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling sha-1 v0.8.2 [INFO] [stderr] Compiling twoway v0.1.8 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling base64 v0.12.1 [INFO] [stderr] Compiling scoped-tls v1.0.0 [INFO] [stderr] Compiling urlencoding v1.0.0 [INFO] [stderr] Compiling mime_guess v1.8.8 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling headers-core v0.2.0 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling headers v0.3.2 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling tungstenite v0.10.1 [INFO] [stderr] Compiling regex v1.3.7 [INFO] [stderr] Compiling multipart v0.16.1 [INFO] [stderr] Compiling env_logger v0.7.1 [INFO] [stderr] Compiling pretty_env_logger v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.53 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling pin-project-internal v0.4.17 [INFO] [stderr] Compiling futures-macro v0.3.5 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling tokio v0.2.21 [INFO] [stderr] Compiling pin-project v0.4.17 [INFO] [stderr] Compiling futures-util v0.3.5 [INFO] [stderr] Compiling tokio-util v0.3.1 [INFO] [stderr] Compiling futures-executor v0.3.5 [INFO] [stderr] Compiling h2 v0.2.5 [INFO] [stderr] Compiling futures v0.3.5 [INFO] [stderr] Compiling tokio-tungstenite v0.10.1 [INFO] [stderr] Compiling hyper v0.13.5 [INFO] [stderr] Compiling warp v0.2.3 [INFO] [stderr] Compiling backgeard v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | child: Arc>, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.57s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "cccab5790c420890187b17101d619f812e08cbc0caa438a1fb3a37b6adff7691", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cccab5790c420890187b17101d619f812e08cbc0caa438a1fb3a37b6adff7691", kill_on_drop: false }` [INFO] [stdout] cccab5790c420890187b17101d619f812e08cbc0caa438a1fb3a37b6adff7691 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b39849c077721ca6efd0de53193e592f257850886fd57a6b795cbc09619c4891 [INFO] running `Command { std: "docker" "start" "-a" "b39849c077721ca6efd0de53193e592f257850886fd57a6b795cbc09619c4891", kill_on_drop: false }` [INFO] [stderr] Compiling backgeard v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `child` [INFO] [stdout] --> src/main.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | child: Arc>, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "b39849c077721ca6efd0de53193e592f257850886fd57a6b795cbc09619c4891", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b39849c077721ca6efd0de53193e592f257850886fd57a6b795cbc09619c4891", kill_on_drop: false }` [INFO] [stdout] b39849c077721ca6efd0de53193e592f257850886fd57a6b795cbc09619c4891 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 251c443bbc60b835c4a2d98a3d351e26ad3c12b9e2d95bf765003b79ac65eef7 [INFO] running `Command { std: "docker" "start" "-a" "251c443bbc60b835c4a2d98a3d351e26ad3c12b9e2d95bf765003b79ac65eef7", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `child` [INFO] [stderr] --> src/main.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | child: Arc>, [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_child` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `backgeard` (bin "backgeard" test) generated 1 warning (run `cargo fix --bin "backgeard" -p backgeard --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.16.1 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/backgeard-acd2d69bb3ff3a0c) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "251c443bbc60b835c4a2d98a3d351e26ad3c12b9e2d95bf765003b79ac65eef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "251c443bbc60b835c4a2d98a3d351e26ad3c12b9e2d95bf765003b79ac65eef7", kill_on_drop: false }` [INFO] [stdout] 251c443bbc60b835c4a2d98a3d351e26ad3c12b9e2d95bf765003b79ac65eef7