[INFO] fetching crate pycrust 0.1.0...
[INFO] checking pycrust-0.1.0 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate pycrust 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pycrust 0.1.0
[INFO] finished tweaking crates.io crate pycrust 0.1.0
[INFO] tweaked toml for crates.io crate pycrust 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pycrust 0.1.0 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 crates.io crate pycrust 0.1.0 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 049bddbab6dd8bab5f847a5bea5e165410f6a3848597bd5cf6a18d4aa60a2468
[INFO] running `Command { std: "docker" "start" "-a" "049bddbab6dd8bab5f847a5bea5e165410f6a3848597bd5cf6a18d4aa60a2468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "049bddbab6dd8bab5f847a5bea5e165410f6a3848597bd5cf6a18d4aa60a2468", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049bddbab6dd8bab5f847a5bea5e165410f6a3848597bd5cf6a18d4aa60a2468", kill_on_drop: false }`
[INFO] [stdout] 049bddbab6dd8bab5f847a5bea5e165410f6a3848597bd5cf6a18d4aa60a2468
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 44f2721fa998e590b6196e8ea4718c7d6f154578300a241edcd3bab71192db50
[INFO] running `Command { std: "docker" "start" "-a" "44f2721fa998e590b6196e8ea4718c7d6f154578300a241edcd3bab71192db50", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]     Checking pycrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `TextPosition` is never constructed
[INFO] [stdout]  --> src/core/types.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextPosition {
[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] [stdout] error: struct `Token` is never constructed
[INFO] [stdout]   --> src/core/types.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Token<'t> {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `column`, and `row` are never read
[INFO] [stdout]  --> src/core/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextPosition {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     column: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     row: 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: field `content` is never read
[INFO] [stdout]   --> src/core/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Token<'t> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 11 |     content: &'t str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `TextPosition` is never constructed
[INFO] [stdout]  --> src/core/types.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextPosition {
[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] [stdout] error: struct `Token` is never constructed
[INFO] [stdout]   --> src/core/types.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Token<'t> {
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `index`, `column`, and `row` are never read
[INFO] [stdout]  --> src/core/types.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct TextPosition {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     index: usize,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 5 |     column: usize,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     row: 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: field `content` is never read
[INFO] [stdout]   --> src/core/types.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Token<'t> {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 11 |     content: &'t str,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pycrust` (bin "pycrust" test) due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `pycrust` (bin "pycrust") due to 2 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "44f2721fa998e590b6196e8ea4718c7d6f154578300a241edcd3bab71192db50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44f2721fa998e590b6196e8ea4718c7d6f154578300a241edcd3bab71192db50", kill_on_drop: false }`
[INFO] [stdout] 44f2721fa998e590b6196e8ea4718c7d6f154578300a241edcd3bab71192db50
