[INFO] cloning repository https://github.com/Lynss/rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lynss/rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynss%2Frust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynss%2Frust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1ded013c55aace81fec0486e153a316f550338f
[INFO] checking Lynss/rust-study against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLynss%2Frust-study" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Lynss/rust-study on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Lynss/rust-study
[INFO] finished tweaking git repo https://github.com/Lynss/rust-study
[INFO] tweaked toml for git repo https://github.com/Lynss/rust-study written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-async-await v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b3ea0d264f398e5ddb15c1ffdfb531be989003e6cc33e2c72571ce45b8ed300
[INFO] running `Command { std: "docker" "start" "-a" "1b3ea0d264f398e5ddb15c1ffdfb531be989003e6cc33e2c72571ce45b8ed300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b3ea0d264f398e5ddb15c1ffdfb531be989003e6cc33e2c72571ce45b8ed300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b3ea0d264f398e5ddb15c1ffdfb531be989003e6cc33e2c72571ce45b8ed300", kill_on_drop: false }`
[INFO] [stdout] 1b3ea0d264f398e5ddb15c1ffdfb531be989003e6cc33e2c72571ce45b8ed300
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f6fc958d4c3c16c65c702a995118f93210a4cd779a6bff004a837adbad6f4e8
[INFO] running `Command { std: "docker" "start" "-a" "1f6fc958d4c3c16c65c702a995118f93210a4cd779a6bff004a837adbad6f4e8", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking hello_macro v0.1.0 (/tmp/fixit/hello_macro)
[INFO] [stderr]     Checking libc v0.2.100
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.4
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-async-await v0.1.7
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:2:44
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(rust_2018_preview, async_await, await_macro, futures_api)]
[INFO] [stdout]   |                                            ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::await`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-async-await-0.1.7/src/lib.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub use std::await as std_await;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^ no `await` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-async-await` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "1f6fc958d4c3c16c65c702a995118f93210a4cd779a6bff004a837adbad6f4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f6fc958d4c3c16c65c702a995118f93210a4cd779a6bff004a837adbad6f4e8", kill_on_drop: false }`
[INFO] [stdout] 1f6fc958d4c3c16c65c702a995118f93210a4cd779a6bff004a837adbad6f4e8