[INFO] cloning repository https://github.com/isaque-dantas/estudos-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/isaque-dantas/estudos-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaque-dantas%2Festudos-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaque-dantas%2Festudos-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 39961c3bda7aaf5b5dea5e50512bc6b5eef1bf7b
[INFO] checking isaque-dantas/estudos-rust against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fisaque-dantas%2Festudos-rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/isaque-dantas/estudos-rust
[INFO] finished tweaking git repo https://github.com/isaque-dantas/estudos-rust
[INFO] tweaked toml for git repo https://github.com/isaque-dantas/estudos-rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/isaque-dantas/estudos-rust on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/isaque-dantas/estudos-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pq-sys v0.7.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a64742872efd7cfa21ede44af27974cc6b837c561d52bfeb35ee105276d2234b
[INFO] running `Command { std: "docker" "start" "-a" "a64742872efd7cfa21ede44af27974cc6b837c561d52bfeb35ee105276d2234b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a64742872efd7cfa21ede44af27974cc6b837c561d52bfeb35ee105276d2234b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a64742872efd7cfa21ede44af27974cc6b837c561d52bfeb35ee105276d2234b", kill_on_drop: false }`
[INFO] [stdout] a64742872efd7cfa21ede44af27974cc6b837c561d52bfeb35ee105276d2234b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9c08ccf2b9a93d7ee878302a995db5f8a505e65bd8dec521e841411b0ed2aa1
[INFO] running `Command { std: "docker" "start" "-a" "d9c08ccf2b9a93d7ee878302a995db5f8a505e65bd8dec521e841411b0ed2aa1", kill_on_drop: false }`
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[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/equation/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RawEquation {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 18 |     pub id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]  --> src/equation/serializer.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn serialize(equation: &RawEquation) -> EquationDTO {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]   --> src/equation/mod.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct RawEquation {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 18 |     pub id: usize,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `serialize` is never used
[INFO] [stdout]  --> src/equation/serializer.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn serialize(equation: &RawEquation) -> EquationDTO {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.95s
[INFO] running `Command { std: "docker" "inspect" "d9c08ccf2b9a93d7ee878302a995db5f8a505e65bd8dec521e841411b0ed2aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9c08ccf2b9a93d7ee878302a995db5f8a505e65bd8dec521e841411b0ed2aa1", kill_on_drop: false }`
[INFO] [stdout] d9c08ccf2b9a93d7ee878302a995db5f8a505e65bd8dec521e841411b0ed2aa1