[INFO] cloning repository https://github.com/biegomar/FirstRustExperience
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/biegomar/FirstRustExperience" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiegomar%2FFirstRustExperience", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiegomar%2FFirstRustExperience'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 58c3198949cb69e9bd2dbc16eabd436f62a7c086
[INFO] checking biegomar/FirstRustExperience against master#c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2 for pr-142712
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbiegomar%2FFirstRustExperience" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/biegomar/FirstRustExperience
[INFO] finished tweaking git repo https://github.com/biegomar/FirstRustExperience
[INFO] tweaked toml for git repo https://github.com/biegomar/FirstRustExperience written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/biegomar/FirstRustExperience on toolchain c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/biegomar/FirstRustExperience 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" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6af07cb5e8f3074a4e88d3e1c855f268d544f3ea9c4dd25f6ef76439c4af1a
[INFO] running `Command { std: "docker" "start" "-a" "1a6af07cb5e8f3074a4e88d3e1c855f268d544f3ea9c4dd25f6ef76439c4af1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6af07cb5e8f3074a4e88d3e1c855f268d544f3ea9c4dd25f6ef76439c4af1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6af07cb5e8f3074a4e88d3e1c855f268d544f3ea9c4dd25f6ef76439c4af1a", kill_on_drop: false }`
[INFO] [stdout] 1a6af07cb5e8f3074a4e88d3e1c855f268d544f3ea9c4dd25f6ef76439c4af1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c720f49c46ec3e70bbc2bbb3e0dd1fe7fc0a47f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 039ae3ab9f1816dc602ee88c6ea74341992838740c7988392146e3dcbce26ea7
[INFO] running `Command { std: "docker" "start" "-a" "039ae3ab9f1816dc602ee88c6ea74341992838740c7988392146e3dcbce26ea7", kill_on_drop: false }`
[INFO] [stderr]     Checking first_rust_experience v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `strasse`, `plz`, and `ort` are never read
[INFO] [stdout]  --> src/customer.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Customers {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub name: String,
[INFO] [stdout] 5 |     pub strasse: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub plz: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub ort: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `strasse`, `plz`, and `ort` are never read
[INFO] [stdout]  --> src/customer.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Customers {
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub name: String,
[INFO] [stdout] 5 |     pub strasse: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout] 6 |     pub plz: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout] 7 |     pub ort: String,
[INFO] [stdout]   |         ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] running `Command { std: "docker" "inspect" "039ae3ab9f1816dc602ee88c6ea74341992838740c7988392146e3dcbce26ea7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039ae3ab9f1816dc602ee88c6ea74341992838740c7988392146e3dcbce26ea7", kill_on_drop: false }`
[INFO] [stdout] 039ae3ab9f1816dc602ee88c6ea74341992838740c7988392146e3dcbce26ea7