[INFO] cloning repository https://github.com/rmj1001/rust-book-lessons
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rmj1001/rust-book-lessons" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmj1001%2Frust-book-lessons", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmj1001%2Frust-book-lessons'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 557ae8305b91fc28108d12dd82f15550ddc7b0a5
[INFO] checking rmj1001/rust-book-lessons against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frmj1001%2Frust-book-lessons" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rmj1001/rust-book-lessons
[INFO] finished tweaking git repo https://github.com/rmj1001/rust-book-lessons
[INFO] tweaked toml for git repo https://github.com/rmj1001/rust-book-lessons written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rmj1001/rust-book-lessons on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rmj1001/rust-book-lessons 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e460f24d134259af9ad73513759488c0ff7e3708cc0c51868499ea41051e45e1
[INFO] running `Command { std: "docker" "start" "-a" "e460f24d134259af9ad73513759488c0ff7e3708cc0c51868499ea41051e45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e460f24d134259af9ad73513759488c0ff7e3708cc0c51868499ea41051e45e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e460f24d134259af9ad73513759488c0ff7e3708cc0c51868499ea41051e45e1", kill_on_drop: false }`
[INFO] [stdout] e460f24d134259af9ad73513759488c0ff7e3708cc0c51868499ea41051e45e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97b79f91914226ebab61388265a415501762cf8a1d42d65e54ae3915b8785c9b
[INFO] running `Command { std: "docker" "start" "-a" "97b79f91914226ebab61388265a415501762cf8a1d42d65e54ae3915b8785c9b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.151
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling rustix v0.38.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.12
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking watch v0.2.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking console v0.15.7
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.41
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.8.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking thiserror v1.0.50
[INFO] [stderr]     Checking dialoguer v0.11.0
[INFO] [stderr]     Checking learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `TestMessage` is never constructed
[INFO] [stdout]    --> src/lessons/ch_7_project_management.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct TestMessage {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning_rust` (bin "learning_rust") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `TestMessage` is never constructed
[INFO] [stdout]    --> src/lessons/ch_7_project_management.rs:216:12
[INFO] [stdout]     |
[INFO] [stdout] 216 | pub struct TestMessage {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `learning_rust` (bin "learning_rust" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "97b79f91914226ebab61388265a415501762cf8a1d42d65e54ae3915b8785c9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b79f91914226ebab61388265a415501762cf8a1d42d65e54ae3915b8785c9b", kill_on_drop: false }`
[INFO] [stdout] 97b79f91914226ebab61388265a415501762cf8a1d42d65e54ae3915b8785c9b
