[INFO] fetching crate treescript-interpreter 0.1.1...
[INFO] checking treescript-interpreter-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate treescript-interpreter 0.1.1 into /workspace/builds/worker-88/source
[INFO] validating manifest of crates.io crate treescript-interpreter 0.1.1 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 crates.io crate treescript-interpreter 0.1.1
[INFO] finished tweaking crates.io crate treescript-interpreter 0.1.1
[INFO] tweaked toml for crates.io crate treescript-interpreter 0.1.1 written to /workspace/builds/worker-88/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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] 0afcbe697adf072672305c694488b4952a1a4ff463ba2c468fd841b93e93042f
[INFO] running `Command { std: "docker" "start" "-a" "0afcbe697adf072672305c694488b4952a1a4ff463ba2c468fd841b93e93042f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0afcbe697adf072672305c694488b4952a1a4ff463ba2c468fd841b93e93042f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0afcbe697adf072672305c694488b4952a1a4ff463ba2c468fd841b93e93042f", kill_on_drop: false }`
[INFO] [stdout] 0afcbe697adf072672305c694488b4952a1a4ff463ba2c468fd841b93e93042f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-88/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9af101df405da5b3037c10cd156795238836ebf344fa5919af2e1a833b806369
[INFO] running `Command { std: "docker" "start" "-a" "9af101df405da5b3037c10cd156795238836ebf344fa5919af2e1a833b806369", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking rmp v0.8.10
[INFO] [stderr]     Checking unicode_reader v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking xdg v2.4.0
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking enum-map v0.5.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking treescript-interpreter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(refcell_map_split, generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:214:64
[INFO] [stdout]     |
[INFO] [stdout] 214 |   pub fn read_ast<P: AsRef<Path>>(&self, input_path: P) -> Box<Read> {
[INFO] [stdout]     |                                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:233:57
[INFO] [stdout]     |
[INFO] [stdout] 233 |   pub fn write_ast(&self, output_path: PathBuf) -> (Box<Write>, AtomicFileCommit) {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(refcell_map_split, generators, generator_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:214:64
[INFO] [stdout]     |
[INFO] [stdout] 214 |   pub fn read_ast<P: AsRef<Path>>(&self, input_path: P) -> Box<Read> {
[INFO] [stdout]     |                                                                ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/session.rs:233:57
[INFO] [stdout]     |
[INFO] [stdout] 233 |   pub fn write_ast(&self, output_path: PathBuf) -> (Box<Write>, AtomicFileCommit) {
[INFO] [stdout]     |                                                         ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `G` in the current scope
[INFO] [stdout]    --> src/util.rs:52:27
[INFO] [stdout]     |
[INFO] [stdout] 52  |     match unsafe { self.0.resume() } {
[INFO] [stdout]     |                           ^^^^^^ method not found in `G`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 52  |     match unsafe { Pin::new(&mut self.0).resume() } {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `treescript-interpreter` due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `resume` found for type parameter `G` in the current scope
[INFO] [stdout]    --> src/util.rs:52:27
[INFO] [stdout]     |
[INFO] [stdout] 52  |     match unsafe { self.0.resume() } {
[INFO] [stdout]     |                           ^^^^^^ method not found in `G`
[INFO] [stdout]     |
[INFO] [stdout] help: consider wrapping the receiver expression with the appropriate type
[INFO] [stdout]     |
[INFO] [stdout] 52  |     match unsafe { Pin::new(&mut self.0).resume() } {
[INFO] [stdout]     |                    ^^^^^^^^^^^^^       ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9af101df405da5b3037c10cd156795238836ebf344fa5919af2e1a833b806369", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9af101df405da5b3037c10cd156795238836ebf344fa5919af2e1a833b806369", kill_on_drop: false }`
[INFO] [stdout] 9af101df405da5b3037c10cd156795238836ebf344fa5919af2e1a833b806369
