[INFO] cloning repository https://github.com/ChrisL108/learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChrisL108/learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisL108%2Flearning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisL108%2Flearning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd053ff8fdffca56a1a4fb61cfd72ad72e85d5c7
[INFO] building ChrisL108/learning against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChrisL108%2Flearning" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ChrisL108/learning on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ChrisL108/learning
[INFO] finished tweaking git repo https://github.com/ChrisL108/learning
[INFO] tweaked toml for git repo https://github.com/ChrisL108/learning written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ChrisL108/learning 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d310a7954385a009ea9b00e7b2494f156cbfd960ce794888151824ec3985932
[INFO] running `Command { std: "docker" "start" "-a" "5d310a7954385a009ea9b00e7b2494f156cbfd960ce794888151824ec3985932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d310a7954385a009ea9b00e7b2494f156cbfd960ce794888151824ec3985932", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d310a7954385a009ea9b00e7b2494f156cbfd960ce794888151824ec3985932", kill_on_drop: false }`
[INFO] [stdout] 5d310a7954385a009ea9b00e7b2494f156cbfd960ce794888151824ec3985932
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae74b69b8228c8a126f5d91538212430006d18db916f3e9105db21143d9b0994
[INFO] running `Command { std: "docker" "start" "-a" "ae74b69b8228c8a126f5d91538212430006d18db916f3e9105db21143d9b0994", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling console v0.15.0
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `position` are never read
[INFO] [stdout]  --> src/front_of_house/hosting.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Reservation {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   position: u8,
[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 1.74s
[INFO] running `Command { std: "docker" "inspect" "ae74b69b8228c8a126f5d91538212430006d18db916f3e9105db21143d9b0994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae74b69b8228c8a126f5d91538212430006d18db916f3e9105db21143d9b0994", kill_on_drop: false }`
[INFO] [stdout] ae74b69b8228c8a126f5d91538212430006d18db916f3e9105db21143d9b0994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e6935670e9c6e871907f501933443348325b4812e143fade7b8eba93fc3a42a
[INFO] running `Command { std: "docker" "start" "-a" "0e6935670e9c6e871907f501933443348325b4812e143fade7b8eba93fc3a42a", kill_on_drop: false }`
[INFO] [stderr]    Compiling learning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `name` and `position` are never read
[INFO] [stdout]  --> src/front_of_house/hosting.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Reservation {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   position: u8,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `position` are never read
[INFO] [stdout]  --> src/front_of_house/hosting.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Reservation {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |   name: String,
[INFO] [stdout]   |   ^^^^
[INFO] [stdout] 6 |   position: u8,
[INFO] [stdout]   |   ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "0e6935670e9c6e871907f501933443348325b4812e143fade7b8eba93fc3a42a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e6935670e9c6e871907f501933443348325b4812e143fade7b8eba93fc3a42a", kill_on_drop: false }`
[INFO] [stdout] 0e6935670e9c6e871907f501933443348325b4812e143fade7b8eba93fc3a42a