[INFO] fetching crate arithmetic-parser 0.2.0-beta.1...
[INFO] checking arithmetic-parser-0.2.0-beta.1 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate arithmetic-parser 0.2.0-beta.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate arithmetic-parser 0.2.0-beta.1 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate arithmetic-parser 0.2.0-beta.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate arithmetic-parser 0.2.0-beta.1
[INFO] tweaked toml for crates.io crate arithmetic-parser 0.2.0-beta.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate arithmetic-parser 0.2.0-beta.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfcb7553985afc606a4e2e078a38e89d567752bec774db9861878911753920a3
[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" "bfcb7553985afc606a4e2e078a38e89d567752bec774db9861878911753920a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfcb7553985afc606a4e2e078a38e89d567752bec774db9861878911753920a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfcb7553985afc606a4e2e078a38e89d567752bec774db9861878911753920a3", kill_on_drop: false }`
[INFO] [stdout] bfcb7553985afc606a4e2e078a38e89d567752bec774db9861878911753920a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=forbid" "-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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b8eb00fb8c1750f870e25f3ec0a0a01a8c4ae1c974203b0550550317cec6db1
[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" "9b8eb00fb8c1750f870e25f3ec0a0a01a8c4ae1c974203b0550550317cec6db1", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking lexical-core v0.7.4
[INFO] [stderr]     Checking nom_locate v2.0.0
[INFO] [stderr]     Checking arithmetic-parser v0.2.0-beta.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `UnaryOp`
[INFO] [stdout]    --> src/grammars.rs:123:35
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use crate::{Expr, GrammarExt, UnaryOp};
[INFO] [stdout]     |                                   ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.66s
[INFO] running `Command { std: "docker" "inspect" "9b8eb00fb8c1750f870e25f3ec0a0a01a8c4ae1c974203b0550550317cec6db1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b8eb00fb8c1750f870e25f3ec0a0a01a8c4ae1c974203b0550550317cec6db1", kill_on_drop: false }`
[INFO] [stdout] 9b8eb00fb8c1750f870e25f3ec0a0a01a8c4ae1c974203b0550550317cec6db1