[INFO] crate lambash 0.1.0 is already in cache
[INFO] checking lambash-0.1.0 against try#7cb06892a23b4da510686618c8730f0b2e8bd952 for pr-66963
[INFO] extracting crate lambash 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lambash 0.1.0 on toolchain 7cb06892a23b4da510686618c8730f0b2e8bd952
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lambash 0.1.0
[INFO] finished tweaking crates.io crate lambash 0.1.0
[INFO] tweaked toml for crates.io crate lambash 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+7cb06892a23b4da510686618c8730f0b2e8bd952" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 515e10a7aa1ef4da0372476d188783b228858681177fb8f653e13c5c013a103b
[INFO] running `"docker" "start" "-a" "515e10a7aa1ef4da0372476d188783b228858681177fb8f653e13c5c013a103b"`
[INFO] [stderr]     Checking lambash v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Number(i64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `None`
[INFO] [stderr]   --> src/ast.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     None,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Number`
[INFO] [stderr]   --> src/ast.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     Number(i64),
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]   --> src/ast.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     String(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `"docker" "inspect" "515e10a7aa1ef4da0372476d188783b228858681177fb8f653e13c5c013a103b"`
[INFO] running `"docker" "rm" "-f" "515e10a7aa1ef4da0372476d188783b228858681177fb8f653e13c5c013a103b"`
[INFO] [stdout] 515e10a7aa1ef4da0372476d188783b228858681177fb8f653e13c5c013a103b