[INFO] cloning repository https://github.com/DRGC/chemistry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DRGC/chemistry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchemistry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchemistry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e72efd5eab2498d4809b2c90a1e41b961fce4d47
[INFO] checking DRGC/chemistry against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDRGC%2Fchemistry" "/workspace/builds/worker-19/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-19/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DRGC/chemistry on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DRGC/chemistry
[INFO] finished tweaking git repo https://github.com/DRGC/chemistry
[INFO] tweaked toml for git repo https://github.com/DRGC/chemistry written to /workspace/builds/worker-19/source/Cargo.toml
[INFO] crate git repo https://github.com/DRGC/chemistry already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9324d6cc1b9df700b3b57a86fa9f461af7e443d4e265c4fe0fd9bbd43946aae1
[INFO] running `Command { std: "docker" "start" "-a" "9324d6cc1b9df700b3b57a86fa9f461af7e443d4e265c4fe0fd9bbd43946aae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9324d6cc1b9df700b3b57a86fa9f461af7e443d4e265c4fe0fd9bbd43946aae1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9324d6cc1b9df700b3b57a86fa9f461af7e443d4e265c4fe0fd9bbd43946aae1", kill_on_drop: false }`
[INFO] [stdout] 9324d6cc1b9df700b3b57a86fa9f461af7e443d4e265c4fe0fd9bbd43946aae1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff4bdfb60dacb285c16a334a6b32fb075fadd1949d29d2de903c9e2d8ed89253
[INFO] running `Command { std: "docker" "start" "-a" "ff4bdfb60dacb285c16a334a6b32fb075fadd1949d29d2de903c9e2d8ed89253", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking chemistry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/atom/nucleus.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(protons: u8, neutrons: u8) -> Nucleus {
[INFO] [stdout]   |            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/atom.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(nucleus: Nucleus, shells: Vec<Shell>) -> Atom {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/atom/shell.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub fn new(electrons: u8) -> Shell {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/atom.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn new(nucleus: Nucleus, shells: Vec<Shell>) -> Atom {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.97s
[INFO] running `Command { std: "docker" "inspect" "ff4bdfb60dacb285c16a334a6b32fb075fadd1949d29d2de903c9e2d8ed89253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff4bdfb60dacb285c16a334a6b32fb075fadd1949d29d2de903c9e2d8ed89253", kill_on_drop: false }`
[INFO] [stdout] ff4bdfb60dacb285c16a334a6b32fb075fadd1949d29d2de903c9e2d8ed89253