[INFO] cloning repository https://github.com/ClaireNeveu/vmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClaireNeveu/vmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClaireNeveu%2Fvmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClaireNeveu%2Fvmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7dc99a6442dbf83262324c8ba2df1b739833e559
[INFO] checking ClaireNeveu/vmt against 895980e0290783bb09b1ccf1b11f14eb09b10430 for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClaireNeveu%2Fvmt" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ClaireNeveu/vmt
[INFO] finished tweaking git repo https://github.com/ClaireNeveu/vmt
[INFO] tweaked toml for git repo https://github.com/ClaireNeveu/vmt written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ClaireNeveu/vmt on toolchain 895980e0290783bb09b1ccf1b11f14eb09b10430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ClaireNeveu/vmt 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" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0
[INFO] running `Command { std: "docker" "start" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0" "/opt/rustwide/cargo-home/bin/cargo" "+895980e0290783bb09b1ccf1b11f14eb09b10430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking pest v2.9.1
[INFO] [stderr]    Compiling pest_meta v2.9.1
[INFO] [stderr]    Compiling pest_generator v2.9.1
[INFO] [stderr]    Compiling pest_derive v2.9.1
[INFO] [stderr]     Checking vmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/render/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let mut ret = String::new();
[INFO] [stdout]    |       ----^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/render/mod.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let mut ret = String::new();
[INFO] [stdout]    |       ----^^^
[INFO] [stdout]    |       |
[INFO] [stdout]    |       help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/render/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn render_expression(expr: Expression) -> String {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/render/mod.rs:18:26
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn render_expression(expr: Expression) -> String {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = CSVParser::parse(Rule::file, &unparsed_file)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file`
[INFO] [stdout]   --> src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let file = CSVParser::parse(Rule::file, &unparsed_file)
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinApp` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BinApp {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnApp` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnApp {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Scope {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Definition {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Macro` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Macro {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BinApp` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BinApp {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast/mod.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]  --> src/ast/clausewitz.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Scope {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `UnApp` is never constructed
[INFO] [stdout]  --> src/ast/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct UnApp {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Scope {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_definition` is never used
[INFO] [stdout]  --> src/render/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn render_definition(def: Definition) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Definition` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Definition {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_expression` is never used
[INFO] [stdout]   --> src/render/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn render_expression(expr: Expression) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Macro` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Macro {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Expression` is never used
[INFO] [stdout]   --> src/ast/mod.rs:28:10
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub enum Expression {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Scope` is never constructed
[INFO] [stdout]  --> src/ast/clausewitz.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct Scope {
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_definition` is never used
[INFO] [stdout]  --> src/render/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn render_definition(def: Definition) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `render_expression` is never used
[INFO] [stdout]   --> src/render/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub fn render_expression(expr: Expression) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0", kill_on_drop: false }`
[INFO] [stdout] d43b6014c4fafebe7f736f79eb7060b06dced9b8ea4c27707ef3110883f327d0