[INFO] cloning repository https://github.com/slackers123/nce
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slackers123/nce" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fnce", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fnce'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4d8a0de04ec8bfaec046a1f656c475ba29d3d149
[INFO] checking slackers123/nce against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslackers123%2Fnce" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/slackers123/nce
[INFO] finished tweaking git repo https://github.com/slackers123/nce
[INFO] tweaked toml for git repo https://github.com/slackers123/nce written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/slackers123/nce 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/slackers123/nce 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9c221ad733326f53b4d088bdf127105f5899af6d377e61debabc0a34889ed161
[INFO] running `Command { std: "docker" "start" "-a" "9c221ad733326f53b4d088bdf127105f5899af6d377e61debabc0a34889ed161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c221ad733326f53b4d088bdf127105f5899af6d377e61debabc0a34889ed161", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c221ad733326f53b4d088bdf127105f5899af6d377e61debabc0a34889ed161", kill_on_drop: false }`
[INFO] [stdout] 9c221ad733326f53b4d088bdf127105f5899af6d377e61debabc0a34889ed161
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] b08421d5523da121b50a619b652baa9baebad1d5f3c3cc5dc642122ef3b269f2
[INFO] running `Command { std: "docker" "start" "-a" "b08421d5523da121b50a619b652baa9baebad1d5f3c3cc5dc642122ef3b269f2", kill_on_drop: false }`
[INFO] [stderr]     Checking qparse v0.1.0 (https://github.com/slackers123/qparse.git?rev=3302d66#3302d668)
[INFO] [stderr]     Checking nce v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `Module` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Module {
[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] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Type(String);
[INFO] [stdout]   |            ---- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `definitions` is never read
[INFO] [stdout]  --> src/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Module {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     definitions: Vec<Definition>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `args`, `return_type`, and `body` are never read
[INFO] [stdout]   --> src/ast.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Function {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     args: Vec<Argument>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     return_type: Option<Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     body: Block,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]   --> src/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Argument {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     ty: Type,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `statements` is never read
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 28 |     statements: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nce` (bin "nce") due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `Module` is never constructed
[INFO] [stdout]  --> src/ast.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Module {
[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] warning: field `0` is never read
[INFO] [stdout]  --> src/ast.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Type(String);
[INFO] [stdout]   |            ---- ^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `definitions` is never read
[INFO] [stdout]  --> src/ast.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Module {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 6 |     definitions: Vec<Definition>,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `args`, `return_type`, and `body` are never read
[INFO] [stdout]   --> src/ast.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Function {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 16 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     args: Vec<Argument>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     return_type: Option<Type>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 19 |     body: Block,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `ty` are never read
[INFO] [stdout]   --> src/ast.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct Argument {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 23 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 24 |     ty: Type,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `statements` is never read
[INFO] [stdout]   --> src/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 28 |     statements: Vec<Statement>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nce` (bin "nce" test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b08421d5523da121b50a619b652baa9baebad1d5f3c3cc5dc642122ef3b269f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b08421d5523da121b50a619b652baa9baebad1d5f3c3cc5dc642122ef3b269f2", kill_on_drop: false }`
[INFO] [stdout] b08421d5523da121b50a619b652baa9baebad1d5f3c3cc5dc642122ef3b269f2
