[INFO] fetching crate zte 0.1.1...
[INFO] testing zte-0.1.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate zte 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate zte 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 zte 0.1.1
[INFO] finished tweaking crates.io crate zte 0.1.1
[INFO] tweaked toml for crates.io crate zte 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate zte 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4d7b525e0a5b0b480b3e4cc9fabc9f6ed8fbac9a9f8e97a8c9f3ac903b2baf41
[INFO] running `Command { std: "docker" "start" "-a" "4d7b525e0a5b0b480b3e4cc9fabc9f6ed8fbac9a9f8e97a8c9f3ac903b2baf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d7b525e0a5b0b480b3e4cc9fabc9f6ed8fbac9a9f8e97a8c9f3ac903b2baf41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d7b525e0a5b0b480b3e4cc9fabc9f6ed8fbac9a9f8e97a8c9f3ac903b2baf41", kill_on_drop: false }`
[INFO] [stdout] 4d7b525e0a5b0b480b3e4cc9fabc9f6ed8fbac9a9f8e97a8c9f3ac903b2baf41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] d2a991c23210b4560ab701eadb9e96d7efeaf7c619f6bda7a0ddc75bc8983047
[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" "d2a991c23210b4560ab701eadb9e96d7efeaf7c619f6bda7a0ddc75bc8983047", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling number_prefix v0.4.0
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling backtrace-sys v0.1.30
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling vek v0.9.8
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling dirs-sys v0.3.3
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling directories v2.0.1
[INFO] [stderr]    Compiling simple-logging v2.0.2
[INFO] [stderr]    Compiling backtrace v0.3.32
[INFO] [stderr]    Compiling vte v0.8.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]    Compiling config v0.9.3
[INFO] [stderr]    Compiling zte v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults, or_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `or_patterns` has been stable since 1.53.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `MouseEvent`, `MouseTerminal`
[INFO] [stdout]   --> src/input.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |     input::{MouseTerminal, TermRead},
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout] 15 |     event::{Event as InputEvent, Key as KeyEvent, MouseEvent},
[INFO] [stdout]    |                                                   ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufferId`, `Dir`
[INFO] [stdout]  --> src/ui/editor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BufferId,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 |     Dir,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dir`
[INFO] [stdout]  --> src/ui/terminal.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Dir,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Dir`
[INFO] [stdout]  --> src/ui/prompt.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     Dir,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt::Debug`, `io`
[INFO] [stdout]   --> src/buffer/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fmt::Debug,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 13 |     io,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `vek::*`
[INFO] [stdout]   --> src/buffer/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use vek::*;
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io`, `ops::Deref`
[INFO] [stdout]  --> src/state/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     ops::Deref,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 4 |     io,
[INFO] [stdout]   |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Event`
[INFO] [stdout]   --> src/state/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Event,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zte` due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d2a991c23210b4560ab701eadb9e96d7efeaf7c619f6bda7a0ddc75bc8983047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a991c23210b4560ab701eadb9e96d7efeaf7c619f6bda7a0ddc75bc8983047", kill_on_drop: false }`
[INFO] [stdout] d2a991c23210b4560ab701eadb9e96d7efeaf7c619f6bda7a0ddc75bc8983047