[INFO] fetching crate itmsink 0.1.4...
[INFO] testing itmsink-0.1.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate itmsink 0.1.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate itmsink 0.1.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-6/source/rust-toolchain
[INFO] started tweaking crates.io crate itmsink 0.1.4
[INFO] finished tweaking crates.io crate itmsink 0.1.4
[INFO] tweaked toml for crates.io crate itmsink 0.1.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate itmsink 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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 proc-macro-error v0.2.6
[INFO] [stderr]   Downloaded anyhow v1.0.18
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded smallvec v0.6.11
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 049df6b9724e3a4e151cac356e7bff602cf334214db6636552e96a2438c2613b
[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" "049df6b9724e3a4e151cac356e7bff602cf334214db6636552e96a2438c2613b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049df6b9724e3a4e151cac356e7bff602cf334214db6636552e96a2438c2613b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049df6b9724e3a4e151cac356e7bff602cf334214db6636552e96a2438c2613b", kill_on_drop: false }`
[INFO] [stdout] 049df6b9724e3a4e151cac356e7bff602cf334214db6636552e96a2438c2613b
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f0d57330227a4e877740074ccbd7cefb45294f69fedabdb5f4707ff2d0b6ac69
[INFO] running `Command { std: "docker" "start" "-a" "f0d57330227a4e877740074ccbd7cefb45294f69fedabdb5f4707ff2d0b6ac69", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.18
[INFO] [stderr]    Compiling smallvec v0.6.11
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.3
[INFO] [stderr]    Compiling structopt v0.3.3
[INFO] [stderr]    Compiling itmsink v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `intra_doc_link_resolution_failure` has been removed: use `rustdoc::broken_intra_doc_links` instead
[INFO] [stdout]   --> src/cli.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[allow(intra_doc_link_resolution_failure)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:28:1
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(exhaustive_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:29:1
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(generator_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:30:1
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(generators)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/itm.rs:49:33
[INFO] [stdout]     |
[INFO] [stdout] 49  |         match self.gen.as_mut().resume() {
[INFO] [stdout]     |                                 ^^^^^^- supplied 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout] help: expected the unit value `()`; create it with empty parentheses
[INFO] [stdout]     |
[INFO] [stdout] 49  |         match self.gen.as_mut().resume(()) {
[INFO] [stdout]     |                                        ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itmsink` due to 6 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f0d57330227a4e877740074ccbd7cefb45294f69fedabdb5f4707ff2d0b6ac69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0d57330227a4e877740074ccbd7cefb45294f69fedabdb5f4707ff2d0b6ac69", kill_on_drop: false }`
[INFO] [stdout] f0d57330227a4e877740074ccbd7cefb45294f69fedabdb5f4707ff2d0b6ac69