[INFO] fetching crate chem-parse 0.3.0...
[INFO] testing chem-parse-0.3.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate chem-parse 0.3.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate chem-parse 0.3.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate chem-parse 0.3.0
[INFO] finished tweaking crates.io crate chem-parse 0.3.0
[INFO] tweaked toml for crates.io crate chem-parse 0.3.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate chem-parse 0.3.0 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded getopts v0.2.21
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2cb20806c20f17adf1dc6fbb6c57ecfc6905ec4957bf5c42de40fa37e922364
[INFO] running `Command { std: "docker" "start" "-a" "a2cb20806c20f17adf1dc6fbb6c57ecfc6905ec4957bf5c42de40fa37e922364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2cb20806c20f17adf1dc6fbb6c57ecfc6905ec4957bf5c42de40fa37e922364", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2cb20806c20f17adf1dc6fbb6c57ecfc6905ec4957bf5c42de40fa37e922364", kill_on_drop: false }`
[INFO] [stdout] a2cb20806c20f17adf1dc6fbb6c57ecfc6905ec4957bf5c42de40fa37e922364
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 257484e9fae951e05d5a5a1f02b17ff5367ee584bda84f2b8188f959c2dbe3dc
[INFO] running `Command { std: "docker" "start" "-a" "257484e9fae951e05d5a5a1f02b17ff5367ee584bda84f2b8188f959c2dbe3dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling chem-parse 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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chem-parse` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "257484e9fae951e05d5a5a1f02b17ff5367ee584bda84f2b8188f959c2dbe3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "257484e9fae951e05d5a5a1f02b17ff5367ee584bda84f2b8188f959c2dbe3dc", kill_on_drop: false }`
[INFO] [stdout] 257484e9fae951e05d5a5a1f02b17ff5367ee584bda84f2b8188f959c2dbe3dc
