[INFO] cloning repository https://github.com/Binlogo/rust-closures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Binlogo/rust-closures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinlogo%2Frust-closures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinlogo%2Frust-closures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cac38199b6c254516bc940dbb768ad03c67e58fd
[INFO] testing Binlogo/rust-closures against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBinlogo%2Frust-closures" "/workspace/builds/worker-61/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-61/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Binlogo/rust-closures on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-61/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Binlogo/rust-closures
[INFO] finished tweaking git repo https://github.com/Binlogo/rust-closures
[INFO] tweaked toml for git repo https://github.com/Binlogo/rust-closures written to /workspace/builds/worker-61/source/Cargo.toml
[INFO] crate git repo https://github.com/Binlogo/rust-closures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2254cba1b9a33acf170b0062ae0eff491878dc46f2157f170ea0f3bb81865cd8
[INFO] running `Command { std: "docker" "start" "-a" "2254cba1b9a33acf170b0062ae0eff491878dc46f2157f170ea0f3bb81865cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2254cba1b9a33acf170b0062ae0eff491878dc46f2157f170ea0f3bb81865cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2254cba1b9a33acf170b0062ae0eff491878dc46f2157f170ea0f3bb81865cd8", kill_on_drop: false }`
[INFO] [stdout] 2254cba1b9a33acf170b0062ae0eff491878dc46f2157f170ea0f3bb81865cd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad027d6e34ab4f533cc72b8a71aca5ad302d101a2130dd01b342133bf5de4150
[INFO] running `Command { std: "docker" "start" "-a" "ad027d6e34ab4f533cc72b8a71aca5ad302d101a2130dd01b342133bf5de4150", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-closures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(unboxed_closures, fn_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__capture_message_block__` should have an upper camel case name
[INFO] [stdout]  --> src/capture_message.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct __capture_message_block__<'a> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `CaptureMessageBlock`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__consume_capture_block__` should have an upper camel case name
[INFO] [stdout]  --> src/consume_capture.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct __consume_capture_block__ {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ConsumeCaptureBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__move_capture_block__` should have an upper camel case name
[INFO] [stdout]  --> src/move_capture.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct __move_capture_block__ {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `MoveCaptureBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__none_capture_block__` should have an upper camel case name
[INFO] [stdout]  --> src/non_capture.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub struct __none_capture_block__ {}
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `NoneCaptureBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `__return__caputure_block__` should have an upper camel case name
[INFO] [stdout]  --> src/return_capture.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct __return__caputure_block__<'a, 'b> {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `ReturnCaputureBlock`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-closures` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ad027d6e34ab4f533cc72b8a71aca5ad302d101a2130dd01b342133bf5de4150", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad027d6e34ab4f533cc72b8a71aca5ad302d101a2130dd01b342133bf5de4150", kill_on_drop: false }`
[INFO] [stdout] ad027d6e34ab4f533cc72b8a71aca5ad302d101a2130dd01b342133bf5de4150
