[INFO] fetching crate itmsink 0.1.4...
[INFO] testing itmsink-0.1.4 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate itmsink 0.1.4 into /workspace/builds/worker-2-tc1/source
[INFO] removed /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate itmsink 0.1.4 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate itmsink 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded structopt-derive v0.3.3
[INFO] [stderr]   Downloaded unicode-width v0.1.6
[INFO] [stderr]   Downloaded quick-error v1.2.2
[INFO] [stderr]   Downloaded termcolor v1.0.5
[INFO] [stderr]   Downloaded wincolor v1.0.2
[INFO] [stderr]   Downloaded smallvec v0.6.11
[INFO] [stderr]   Downloaded anyhow v1.0.18
[INFO] [stderr]   Downloaded structopt v0.3.3
[INFO] [stderr]   Downloaded syn v1.0.7
[INFO] [stderr]   Downloaded libc v0.2.65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba
[INFO] running `Command { std: "docker" "start" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling anyhow v1.0.18
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling smallvec v0.6.11
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling env_logger v0.7.1
[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] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![feature(generators)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]    = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::ops::Generator`, `std::ops::GeneratorState`
[INFO] [stdout]   --> src/itm.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 |     ops::{Generator, GeneratorState},
[INFO] [stdout]    |           ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]    |           |
[INFO] [stdout]    |           no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta 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[E0658]: coroutine syntax is experimental
[INFO] [stdout]   --> src/itm.rs:92:5
[INFO] [stdout]    |
[INFO] [stdout] 92 |     static move || loop {
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/itm.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             yield;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |         bytes.push(next_byte!());
[INFO] [stdout]    |                    ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/itm.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             yield;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |                     let byte = next_byte!();
[INFO] [stdout]    |                                ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/itm.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             yield;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |         bytes.push(next_byte!());
[INFO] [stdout]    |                    ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]   --> src/itm.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             yield;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 93 |         bytes.push(next_byte!());
[INFO] [stdout]    |                    ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]    |
[INFO] [stdout] 92 |     #[coroutine] static move || loop {
[INFO] [stdout]    |     ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]   --> src/itm.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |             yield;
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 99 |                     let byte = next_byte!();
[INFO] [stdout]    |                                ------------ in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]    = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 155 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/itm.rs:81:13
[INFO] [stdout]     |
[INFO] [stdout]  81 |             yield;
[INFO] [stdout]     |             ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 180 |                     let byte = next_byte!();
[INFO] [stdout]     |                                ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = note: this error originates in the macro `next_byte` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]   --> src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(generator_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554, E0557, E0635, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itmsink` (lib) due to 16 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba", kill_on_drop: false }`
[INFO] [stdout] 8f4c234c367d2bb68d23f1fe102ee13978bd945c61d719c55d5c5445f0df73ba
