[INFO] cloning repository https://github.com/utkarshkukreti/draco
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/utkarshkukreti/draco" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3b210774443dd9ec5ac2abccd93e18c5cd036237
[INFO] checking utkarshkukreti/draco against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Futkarshkukreti%2Fdraco" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/utkarshkukreti/draco on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/utkarshkukreti/draco
[INFO] finished tweaking git repo https://github.com/utkarshkukreti/draco
[INFO] tweaked toml for git repo https://github.com/utkarshkukreti/draco written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.28
[INFO] [stderr]   Downloaded hyper v0.13.10
[INFO] [stderr]   Downloaded console_error_panic_hook v0.1.7
[INFO] [stderr]   Downloaded reqwest v0.10.10
[INFO] [stderr]   Downloaded encoding_rs v0.8.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ca1b5f1cbc6cbb35150dc7ccd02f382900288ad9272fb950b52910acd61d65a
[INFO] running `Command { std: "docker" "start" "-a" "6ca1b5f1cbc6cbb35150dc7ccd02f382900288ad9272fb950b52910acd61d65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ca1b5f1cbc6cbb35150dc7ccd02f382900288ad9272fb950b52910acd61d65a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ca1b5f1cbc6cbb35150dc7ccd02f382900288ad9272fb950b52910acd61d65a", kill_on_drop: false }`
[INFO] [stdout] 6ca1b5f1cbc6cbb35150dc7ccd02f382900288ad9272fb950b52910acd61d65a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26a60197c6c619795105475f6b332947cf6445588cdd8ec659c9c50e8d68ba19
[INFO] running `Command { std: "docker" "start" "-a" "26a60197c6c619795105475f6b332947cf6445588cdd8ec659c9c50e8d68ba19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.78
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling bumpalo v3.7.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.78
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]    Compiling native-tls v0.2.8
[INFO] [stderr]    Compiling httparse v1.5.1
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling openssl-sys v0.9.67
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.28
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.78
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.78
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.78
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking js-sys v0.3.55
[INFO] [stderr]     Checking console_error_panic_hook v0.1.7
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.28
[INFO] [stderr]     Checking web-sys v0.3.55
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.28
[INFO] [stderr]     Checking draco v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking form v0.1.0 (/opt/rustwide/workdir/examples/form)
[INFO] [stderr]     Checking hello_world v0.1.0 (/opt/rustwide/workdir/examples/hello_world)
[INFO] [stderr]     Checking svg_clock v0.1.0 (/opt/rustwide/workdir/examples/svg_clock)
[INFO] [stderr]     Checking counter v0.1.0 (/opt/rustwide/workdir/examples/counter)
[INFO] [stderr]     Checking local_storage v0.1.0 (/opt/rustwide/workdir/examples/local_storage)
[INFO] [stderr]     Checking mouse_tracker v0.1.0 (/opt/rustwide/workdir/examples/mouse_tracker)
[INFO] [stderr]     Checking jfb v0.1.0 (/opt/rustwide/workdir/examples/jfb)
[INFO] [stderr]     Checking router_basic v0.1.0 (/opt/rustwide/workdir/examples/router_basic)
[INFO] [stderr]     Checking counters v0.1.0 (/opt/rustwide/workdir/examples/counters)
[INFO] [stderr]     Checking github_commits v0.1.0 (/opt/rustwide/workdir/examples/github_commits)
[INFO] [stderr]     Checking router v0.1.0 (/opt/rustwide/workdir/examples/router)
[INFO] [stderr]     Checking ref_focus v0.1.0 (/opt/rustwide/workdir/examples/ref_focus)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rand`
[INFO] [stdout]  --> benches/../examples/jfb/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `rand`
[INFO] [stdout]  --> benches/../examples/jfb/src/lib.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `rand`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XorShiftRng`
[INFO] [stdout]   --> benches/../examples/jfb/src/lib.rs:95:18
[INFO] [stdout]    |
[INFO] [stdout] 95 |             rng: XorShiftRng::from_seed([0; 16]),
[INFO] [stdout]    |                  ^^^^^^^^^^^ use of undeclared type `XorShiftRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `XorShiftRng` in this scope
[INFO] [stdout]   --> benches/../examples/jfb/src/lib.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     rng: XorShiftRng,
[INFO] [stdout]    |          ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/jfb.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0432, E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `draco` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "26a60197c6c619795105475f6b332947cf6445588cdd8ec659c9c50e8d68ba19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26a60197c6c619795105475f6b332947cf6445588cdd8ec659c9c50e8d68ba19", kill_on_drop: false }`
[INFO] [stdout] 26a60197c6c619795105475f6b332947cf6445588cdd8ec659c9c50e8d68ba19
