[INFO] fetching crate zsh-module 0.3.0...
[INFO] testing zsh-module-0.3.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate zsh-module 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate zsh-module 0.3.0
[INFO] finished tweaking crates.io crate zsh-module 0.3.0
[INFO] tweaked toml for crates.io crate zsh-module 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zsh-module 0.3.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 53 packages to latest compatible versions
[INFO] [stderr]       Adding zsh-sys v0.1.1 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zsh-sys v0.1.1
[INFO] [stderr]   Downloaded bindgen v0.69.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 996eecd1805d6a6de4e72b961e3ebc67d7795e9a01df62f156275ed88cfabe3e
[INFO] running `Command { std: "docker" "start" "-a" "996eecd1805d6a6de4e72b961e3ebc67d7795e9a01df62f156275ed88cfabe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "996eecd1805d6a6de4e72b961e3ebc67d7795e9a01df62f156275ed88cfabe3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996eecd1805d6a6de4e72b961e3ebc67d7795e9a01df62f156275ed88cfabe3e", kill_on_drop: false }`
[INFO] [stdout] 996eecd1805d6a6de4e72b961e3ebc67d7795e9a01df62f156275ed88cfabe3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2f6fd649b26de80812e30af59a65c3029216d39d365780011f2b2fea2c8622e
[INFO] running `Command { std: "docker" "start" "-a" "e2f6fd649b26de80812e30af59a65c3029216d39d365780011f2b2fea2c8622e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling prettyplease v0.2.37
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling zsh-sys v0.1.1
[INFO] [stderr]    Compiling zsh-module v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:75:1
[INFO] [stdout]    |
[INFO] [stdout] 75 | #![feature(trait_alias)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CStr`, `CString`, `borrow::Cow`, and `c_char`
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     borrow::Cow,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 5 |     ffi::{c_char, CStr, CString},
[INFO] [stdout]   |           ^^^^^^  ^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `io::Read` and `path::Path`
[INFO] [stdout]  --> src/zsh.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io::Read, path::Path};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AnyError`
[INFO] [stdout]  --> src/export_module.rs:6:42
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::{log, options::Opts, to_cstr, AnyError, MaybeError, Module};
[INFO] [stdout]   |                                          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zsh-module` (lib) due to 1 previous error; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e2f6fd649b26de80812e30af59a65c3029216d39d365780011f2b2fea2c8622e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2f6fd649b26de80812e30af59a65c3029216d39d365780011f2b2fea2c8622e", kill_on_drop: false }`
[INFO] [stdout] e2f6fd649b26de80812e30af59a65c3029216d39d365780011f2b2fea2c8622e
