[INFO] cloning repository https://github.com/alexxtcs42/mtuci-rs2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexxtcs42/mtuci-rs2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexxtcs42%2Fmtuci-rs2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexxtcs42%2Fmtuci-rs2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f0f149594501ceb065104218038012642064c54
[INFO] checking alexxtcs42/mtuci-rs2/0f0f149594501ceb065104218038012642064c54 against master#a7fc463dd8fbeca800d4b3efc501069502cffe64 for pr-136988
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexxtcs42%2Fmtuci-rs2" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexxtcs42/mtuci-rs2 on toolchain a7fc463dd8fbeca800d4b3efc501069502cffe64
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexxtcs42/mtuci-rs2
[INFO] finished tweaking git repo https://github.com/alexxtcs42/mtuci-rs2
[INFO] tweaked toml for git repo https://github.com/alexxtcs42/mtuci-rs2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alexxtcs42/mtuci-rs2 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" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 44f193f826742167c07d7f3e2eb16d551ec2ce8c8ac86492dad46f663171f8e1
[INFO] running `Command { std: "docker" "start" "-a" "44f193f826742167c07d7f3e2eb16d551ec2ce8c8ac86492dad46f663171f8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44f193f826742167c07d7f3e2eb16d551ec2ce8c8ac86492dad46f663171f8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f193f826742167c07d7f3e2eb16d551ec2ce8c8ac86492dad46f663171f8e1", kill_on_drop: false }`
[INFO] [stdout] 44f193f826742167c07d7f3e2eb16d551ec2ce8c8ac86492dad46f663171f8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+a7fc463dd8fbeca800d4b3efc501069502cffe64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa80cb6cec1322ace7219ff9ea420b6e750a79776527cfe412ba390e0f1c9ca4
[INFO] running `Command { std: "docker" "start" "-a" "fa80cb6cec1322ace7219ff9ea420b6e750a79776527cfe412ba390e0f1c9ca4", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking hw2 v0.1.0 (/opt/rustwide/workdir/hw2)
[INFO] [stderr]     Checking hw4 v0.1.0 (/opt/rustwide/workdir/hw4)
[INFO] [stderr]     Checking fizzbuzz v0.1.0 (/opt/rustwide/workdir/fizzbuzz)
[INFO] [stdout] warning: struct `Rect` is never constructed
[INFO] [stdout]   --> hw2/src/task2.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Rect {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `bottom_right`, `area`, and `perimeter` are never used
[INFO] [stdout]   --> hw2/src/task2.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | impl Rect {
[INFO] [stdout]    | --------- associated items in this implementation
[INFO] [stdout] 21 |     fn new(top_left: (f32, f32), width: f32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 29 |     fn bottom_right(&self) -> (f32, f32) {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn area(&self) -> f32 {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn perimeter(&self) -> f32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "fa80cb6cec1322ace7219ff9ea420b6e750a79776527cfe412ba390e0f1c9ca4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa80cb6cec1322ace7219ff9ea420b6e750a79776527cfe412ba390e0f1c9ca4", kill_on_drop: false }`
[INFO] [stdout] fa80cb6cec1322ace7219ff9ea420b6e750a79776527cfe412ba390e0f1c9ca4