[INFO] fetching crate lib3dmol 0.3.2...
[INFO] checking lib3dmol-0.3.2 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate lib3dmol 0.3.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lib3dmol 0.3.2 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lib3dmol 0.3.2
[INFO] finished tweaking crates.io crate lib3dmol 0.3.2
[INFO] tweaked toml for crates.io crate lib3dmol 0.3.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate lib3dmol 0.3.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b7678510a145e7b86abe76ca02090a5e8e148b5e32284faab46c968248ce7ad
[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" "3b7678510a145e7b86abe76ca02090a5e8e148b5e32284faab46c968248ce7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b7678510a145e7b86abe76ca02090a5e8e148b5e32284faab46c968248ce7ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b7678510a145e7b86abe76ca02090a5e8e148b5e32284faab46c968248ce7ad", kill_on_drop: false }`
[INFO] [stdout] 3b7678510a145e7b86abe76ca02090a5e8e148b5e32284faab46c968248ce7ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 551225aa314838cb138ac55cffef66b0907a6ffc3ab218f09fda0e3ced92b950
[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" "551225aa314838cb138ac55cffef66b0907a6ffc3ab218f09fda0e3ced92b950", kill_on_drop: false }`
[INFO] [stderr]     Checking lib3dmol v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `last_chain_added`
[INFO] [stdout]   --> src/structures/structure.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     last_chain_added: char,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_chain_added`
[INFO] [stdout]   --> src/structures/structure.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     last_chain_added: char,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 1.00s
[INFO] running `Command { std: "docker" "inspect" "551225aa314838cb138ac55cffef66b0907a6ffc3ab218f09fda0e3ced92b950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "551225aa314838cb138ac55cffef66b0907a6ffc3ab218f09fda0e3ced92b950", kill_on_drop: false }`
[INFO] [stdout] 551225aa314838cb138ac55cffef66b0907a6ffc3ab218f09fda0e3ced92b950