[INFO] fetching crate chemistry-core 0.0.0...
[INFO] checking chemistry-core-0.0.0 against try#8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f for pr-114559
[INFO] extracting crate chemistry-core 0.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate chemistry-core 0.0.0 on toolchain 8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chemistry-core 0.0.0
[INFO] finished tweaking crates.io crate chemistry-core 0.0.0
[INFO] tweaked toml for crates.io crate chemistry-core 0.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c157b03401964bd417b58057c2b634bf4ba058b15850bd876f78e989dbec9c77
[INFO] running `Command { std: "docker" "start" "-a" "c157b03401964bd417b58057c2b634bf4ba058b15850bd876f78e989dbec9c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c157b03401964bd417b58057c2b634bf4ba058b15850bd876f78e989dbec9c77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c157b03401964bd417b58057c2b634bf4ba058b15850bd876f78e989dbec9c77", kill_on_drop: false }`
[INFO] [stdout] c157b03401964bd417b58057c2b634bf4ba058b15850bd876f78e989dbec9c77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+8d0c454bea9d9cc2cc7e288388f3b7d1da19c04f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47fa907ff461f61b874c9e1264a9d524dfb8a9ec98d7e04a5635001c5c92a126
[INFO] running `Command { std: "docker" "start" "-a" "47fa907ff461f61b874c9e1264a9d524dfb8a9ec98d7e04a5635001c5c92a126", kill_on_drop: false }`
[INFO] [stderr]     Checking chemistry-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `mass_number` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Atom {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     mass_number: u8,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `mass_number` is never read
[INFO] [stdout]  --> src/lib.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct Atom {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     mass_number: u8,
[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 0.06s
[INFO] running `Command { std: "docker" "inspect" "47fa907ff461f61b874c9e1264a9d524dfb8a9ec98d7e04a5635001c5c92a126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fa907ff461f61b874c9e1264a9d524dfb8a9ec98d7e04a5635001c5c92a126", kill_on_drop: false }`
[INFO] [stdout] 47fa907ff461f61b874c9e1264a9d524dfb8a9ec98d7e04a5635001c5c92a126
