[INFO] fetching crate lib3dmol 0.3.2...
[INFO] checking lib3dmol-0.3.2 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate lib3dmol 0.3.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate lib3dmol 0.3.2 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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-7/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" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e6dd09a7551a528e6764686cec4123c5c6c6b1cbdc2e90382030e44a3714f3b
[INFO] running `Command { std: "docker" "start" "-a" "4e6dd09a7551a528e6764686cec4123c5c6c6b1cbdc2e90382030e44a3714f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e6dd09a7551a528e6764686cec4123c5c6c6b1cbdc2e90382030e44a3714f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e6dd09a7551a528e6764686cec4123c5c6c6b1cbdc2e90382030e44a3714f3b", kill_on_drop: false }`
[INFO] [stdout] 4e6dd09a7551a528e6764686cec4123c5c6c6b1cbdc2e90382030e44a3714f3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4dda721963cba350ec75e33a18f8d8fa2bfd72d134c3774d3815bd802016d89c
[INFO] running `Command { std: "docker" "start" "-a" "4dda721963cba350ec75e33a18f8d8fa2bfd72d134c3774d3815bd802016d89c", 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: 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "4dda721963cba350ec75e33a18f8d8fa2bfd72d134c3774d3815bd802016d89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dda721963cba350ec75e33a18f8d8fa2bfd72d134c3774d3815bd802016d89c", kill_on_drop: false }`
[INFO] [stdout] 4dda721963cba350ec75e33a18f8d8fa2bfd72d134c3774d3815bd802016d89c