[INFO] cloning repository https://github.com/chloekek/yuk-old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chloekek/yuk-old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloekek%2Fyuk-old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloekek%2Fyuk-old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dcd5c84143e0d4af056ebd42bd867be6cd5bd04
[INFO] testing chloekek/yuk-old against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchloekek%2Fyuk-old" "/workspace/builds/worker-42/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-42/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chloekek/yuk-old 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/chloekek/yuk-old
[INFO] finished tweaking git repo https://github.com/chloekek/yuk-old
[INFO] tweaked toml for git repo https://github.com/chloekek/yuk-old written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate git repo https://github.com/chloekek/yuk-old already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 24682c35955c1a17a1ca987a098c692812d12f5841f9eef364b889ff29feb711
[INFO] running `Command { std: "docker" "start" "-a" "24682c35955c1a17a1ca987a098c692812d12f5841f9eef364b889ff29feb711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24682c35955c1a17a1ca987a098c692812d12f5841f9eef364b889ff29feb711", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24682c35955c1a17a1ca987a098c692812d12f5841f9eef364b889ff29feb711", kill_on_drop: false }`
[INFO] [stdout] 24682c35955c1a17a1ca987a098c692812d12f5841f9eef364b889ff29feb711
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7288d9cb24e6f1c079f0e7aa7f04a737c65214b9aac8c6f1f37c4bd1ad2dcc2f
[INFO] running `Command { std: "docker" "start" "-a" "7288d9cb24e6f1c079f0e7aa7f04a737c65214b9aac8c6f1f37c4bd1ad2dcc2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-task v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling futures-io v0.3.1
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling yuk v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `request_read` found for struct `Dispatcher` in the current scope
[INFO] [stdout]   --> src/io/raw_fd.rs:48:30
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 match self.d.request_read(fd, cx.waker().clone()) {
[INFO] [stdout]    |                              ^^^^^^^^^^^^ method not found in `Dispatcher`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: src/io/dispatch.rs:26:1
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct Dispatcher
[INFO] [stdout]    | --------------------- method `request_read` not found for this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `yuk` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7288d9cb24e6f1c079f0e7aa7f04a737c65214b9aac8c6f1f37c4bd1ad2dcc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7288d9cb24e6f1c079f0e7aa7f04a737c65214b9aac8c6f1f37c4bd1ad2dcc2f", kill_on_drop: false }`
[INFO] [stdout] 7288d9cb24e6f1c079f0e7aa7f04a737c65214b9aac8c6f1f37c4bd1ad2dcc2f