[INFO] cloning repository https://github.com/haze/lightspeed [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haze/lightspeed" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 83f47a66b4ec84140d8bc60b36181aadfb14515f [INFO] checking haze/lightspeed against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaze%2Flightspeed" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/haze/lightspeed on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/haze/lightspeed [INFO] finished tweaking git repo https://github.com/haze/lightspeed [INFO] tweaked toml for git repo https://github.com/haze/lightspeed written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/haze/lightspeed already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating git repository `https://github.com/haze/dawn.git` [INFO] [stderr] Updating git repository `https://github.com/snapview/tokio-tungstenite.git` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded which v2.0.1 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.59 [INFO] [stderr] Downloaded security-framework v0.4.1 [INFO] [stderr] Downloaded bindgen v0.50.1 [INFO] [stderr] Downloaded serde-value v0.6.0 [INFO] [stderr] Downloaded futures-timer v2.0.2 [INFO] [stderr] Downloaded security-framework-sys v0.4.1 [INFO] [stderr] Downloaded metrics-core v0.5.2 [INFO] [stderr] Downloaded web-sys v0.3.36 [INFO] [stderr] Downloaded serde_repr v0.1.5 [INFO] [stderr] Downloaded async-std v1.5.0 [INFO] [stderr] Downloaded async-task v1.3.1 [INFO] [stderr] Downloaded metrics v0.12.1 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.59 [INFO] [stderr] Downloaded wasm-bindgen v0.2.59 [INFO] [stderr] Downloaded regex v1.3.5 [INFO] [stderr] Downloaded isahc v0.8.2 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.9 [INFO] [stderr] Downloaded js-sys v0.3.36 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.59 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.59 [INFO] [stderr] Downloaded libnghttp2-sys v0.1.3 [INFO] [stderr] Downloaded serde-mappable-seq v0.1.0 [INFO] [stderr] Downloaded curl-sys v0.4.30+curl-7.69.1 [INFO] [stderr] Downloaded kv-log-macro v1.0.4 [INFO] [stderr] Downloaded surf v2.0.0-alpha.0 [INFO] [stderr] Downloaded h2 v0.2.2 [INFO] [stderr] Downloaded http-client v1.1.1 [INFO] [stderr] Downloaded sluice v0.5.2 [INFO] [stderr] Downloaded hyper v0.13.3 [INFO] [stderr] Downloaded leptonica-sys v0.2.1 [INFO] [stderr] Downloaded tesseract-sys v0.4.1 [INFO] [stderr] Downloaded leptess v0.8.1 [INFO] [stderr] Downloaded curl v0.4.28 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3cb32229e61236b7f7b167d6a290b506d18f21c352432dbcb9b18077e19060a2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "3cb32229e61236b7f7b167d6a290b506d18f21c352432dbcb9b18077e19060a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3cb32229e61236b7f7b167d6a290b506d18f21c352432dbcb9b18077e19060a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3cb32229e61236b7f7b167d6a290b506d18f21c352432dbcb9b18077e19060a2", kill_on_drop: false }` [INFO] [stdout] 3cb32229e61236b7f7b167d6a290b506d18f21c352432dbcb9b18077e19060a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1408d776618e680dcf145568e6e4e6ee4f3505ed3f6db81ce6ce05f57ea5eca9 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1408d776618e680dcf145568e6e4e6ee4f3505ed3f6db81ce6ce05f57ea5eca9", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling proc-macro2 v1.0.9 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Checking futures-core v0.3.4 [INFO] [stderr] Checking itoa v0.4.5 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Checking futures-sink v0.3.4 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Checking futures-io v0.3.4 [INFO] [stderr] Checking bytes v0.5.4 [INFO] [stderr] Checking futures-task v0.3.4 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Checking pin-project-lite v0.1.4 [INFO] [stderr] Checking arc-swap v0.4.4 [INFO] [stderr] Checking smallvec v1.2.0 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling bindgen v0.50.1 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Checking try-lock v0.2.2 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Checking tower-service v0.3.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking base64 v0.11.0 [INFO] [stderr] Checking dtoa v0.4.5 [INFO] [stderr] Compiling shlex v0.1.1 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking utf-8 v0.7.5 [INFO] [stderr] Compiling metrics v0.12.1 [INFO] [stderr] Compiling curl v0.4.28 [INFO] [stderr] Checking metrics-core v0.5.2 [INFO] [stderr] Compiling isahc v0.8.2 [INFO] [stderr] Checking futures-timer v2.0.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking once_cell v1.3.1 [INFO] [stderr] Checking futures-channel v0.3.4 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking unicode-bidi v0.3.4 [INFO] [stderr] Compiling clang-sys v0.28.1 [INFO] [stderr] Checking unicode-normalization v0.1.12 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Checking http v0.2.0 [INFO] [stderr] Checking input_buffer v0.3.1 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking kv-log-macro v1.0.4 [INFO] [stderr] Compiling fxhash v0.2.1 [INFO] [stderr] Checking block-buffer v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Compiling aho-corasick v0.7.10 [INFO] [stderr] Checking idna v0.2.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling libz-sys v1.0.25 [INFO] [stderr] Compiling backtrace-sys v0.1.34 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling libnghttp2-sys v0.1.3 [INFO] [stderr] Compiling curl-sys v0.4.30+curl-7.69.1 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking num_cpus v1.12.0 [INFO] [stderr] Checking signal-hook-registry v1.2.0 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking socket2 v0.3.11 [INFO] [stderr] Checking async-task v1.3.1 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Checking sha-1 v0.8.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Checking dawn-command-parser v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Compiling mime_guess v2.0.3 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking url v2.1.1 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking mio v0.6.21 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling cexpr v0.3.6 [INFO] [stderr] Checking http-body v0.3.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling regex v1.3.5 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking http v0.1.21 [INFO] [stderr] Checking flate2 v1.0.13 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Compiling backtrace v0.3.45 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking async-std v1.5.0 [INFO] [stderr] Compiling failure v0.1.7 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling env_logger v0.6.2 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking tungstenite v0.10.1 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Compiling tokio-macros v0.2.5 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling serde_repr v0.1.5 [INFO] [stderr] Compiling async-trait v0.1.24 [INFO] [stderr] Checking tokio v0.2.13 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Checking pin-project v0.4.8 [INFO] [stderr] Checking futures-util v0.3.4 [INFO] [stderr] Compiling leptonica-sys v0.2.1 [INFO] [stderr] Compiling tesseract-sys v0.4.1 [INFO] [stderr] Checking tokio-util v0.2.0 [INFO] [stderr] Checking tokio-tls v0.3.0 [INFO] [stderr] Checking futures-executor v0.3.4 [INFO] [stderr] Checking h2 v0.2.2 [INFO] [stderr] Checking tokio-tungstenite v0.10.1 (https://github.com/snapview/tokio-tungstenite.git#1a2a99a7) [INFO] [stderr] Checking sluice v0.5.2 [INFO] [stderr] Checking futures v0.3.4 [INFO] [stderr] Checking http-client v1.1.1 [INFO] [stderr] Checking hyper v0.13.3 [INFO] [stderr] Checking hyper-tls v0.4.1 [INFO] [stderr] Checking serde_urlencoded v0.6.1 [INFO] [stderr] Checking serde-mappable-seq v0.1.0 [INFO] [stderr] Checking serde-value v0.6.0 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stderr] Checking dawn-model v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking reqwest v0.10.4 [INFO] [stderr] Checking surf v2.0.0-alpha.0 [INFO] [stderr] Checking dawn-http v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking dawn-cache-trait v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking dawn-gateway v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking dawn-cache-inmemory v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking dawn-cache v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking dawn v0.1.0 (https://github.com/haze/dawn.git?branch=master#3c0d0d27) [INFO] [stderr] Checking leptess v0.8.1 [INFO] [stderr] Checking lightspeed v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/main.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use async_std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Arc`, `Mutex` [INFO] [stdout] --> src/main.rs:1:23 [INFO] [stdout] | [INFO] [stdout] 1 | use async_std::sync::{Arc, Mutex}; [INFO] [stdout] | ^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MutexError` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | MutexError, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `MutexError` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | MutexError, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4m 13s [INFO] running `Command { std: "docker" "inspect" "1408d776618e680dcf145568e6e4e6ee4f3505ed3f6db81ce6ce05f57ea5eca9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1408d776618e680dcf145568e6e4e6ee4f3505ed3f6db81ce6ce05f57ea5eca9", kill_on_drop: false }` [INFO] [stdout] 1408d776618e680dcf145568e6e4e6ee4f3505ed3f6db81ce6ce05f57ea5eca9