[INFO] fetching crate chem-parse 0.3.0...
[INFO] testing chem-parse-0.3.0 against 1.75.0 for beta-1.76-1
[INFO] extracting crate chem-parse 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate chem-parse 0.3.0 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-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-5-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" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusty-hook v0.11.2
[INFO] [stderr]   Downloaded nias v0.5.0
[INFO] [stderr]   Downloaded ci_info v0.10.2
[INFO] [stderr]   Downloaded fsio v0.1.3
[INFO] [stderr]   Downloaded envmnt v0.8.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76573db002946b69436ebea3bbd410458a14fe5da928a456749392b181325f46
[INFO] running `Command { std: "docker" "start" "-a" "76573db002946b69436ebea3bbd410458a14fe5da928a456749392b181325f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76573db002946b69436ebea3bbd410458a14fe5da928a456749392b181325f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76573db002946b69436ebea3bbd410458a14fe5da928a456749392b181325f46", kill_on_drop: false }`
[INFO] [stdout] 76573db002946b69436ebea3bbd410458a14fe5da928a456749392b181325f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4e0b24343e0faf5ad4ce742c169cdbc968d2be2f2a186a4e308ef0443b1224e
[INFO] running `Command { std: "docker" "start" "-a" "f4e0b24343e0faf5ad4ce742c169cdbc968d2be2f2a186a4e308ef0443b1224e", 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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chem-parse` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "f4e0b24343e0faf5ad4ce742c169cdbc968d2be2f2a186a4e308ef0443b1224e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e0b24343e0faf5ad4ce742c169cdbc968d2be2f2a186a4e308ef0443b1224e", kill_on_drop: false }`
[INFO] [stdout] f4e0b24343e0faf5ad4ce742c169cdbc968d2be2f2a186a4e308ef0443b1224e
[INFO] testing chem-parse-0.3.0 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate chem-parse 0.3.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate chem-parse 0.3.0 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/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-5-tc2/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" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bbfdca1708b88e6fcbe8902d23b12ba3827e19bba951a38240f311c2d6e93ec1
[INFO] running `Command { std: "docker" "start" "-a" "bbfdca1708b88e6fcbe8902d23b12ba3827e19bba951a38240f311c2d6e93ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bbfdca1708b88e6fcbe8902d23b12ba3827e19bba951a38240f311c2d6e93ec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbfdca1708b88e6fcbe8902d23b12ba3827e19bba951a38240f311c2d6e93ec1", kill_on_drop: false }`
[INFO] [stdout] bbfdca1708b88e6fcbe8902d23b12ba3827e19bba951a38240f311c2d6e93ec1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ff8345bfc8241d4e2186bf12ce98d14d7fce058d82b39509e01287e71a7da2d
[INFO] running `Command { std: "docker" "start" "-a" "6ff8345bfc8241d4e2186bf12ce98d14d7fce058d82b39509e01287e71a7da2d", 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 beta 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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chem-parse` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6ff8345bfc8241d4e2186bf12ce98d14d7fce058d82b39509e01287e71a7da2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ff8345bfc8241d4e2186bf12ce98d14d7fce058d82b39509e01287e71a7da2d", kill_on_drop: false }`
[INFO] [stdout] 6ff8345bfc8241d4e2186bf12ce98d14d7fce058d82b39509e01287e71a7da2d
