[INFO] cloning repository https://github.com/curtisxk38/rcheer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/curtisxk38/rcheer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtisxk38%2Frcheer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtisxk38%2Frcheer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55f1932a5f93e958f035c4a1e9082beaa3b30ab8
[INFO] checking curtisxk38/rcheer against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtisxk38%2Frcheer" "/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/curtisxk38/rcheer
[INFO] finished tweaking git repo https://github.com/curtisxk38/rcheer
[INFO] tweaked toml for git repo https://github.com/curtisxk38/rcheer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/curtisxk38/rcheer on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/curtisxk38/rcheer 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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking curtisxk38/rcheer against 8773d2c75a8e90130dcce745a7ec4e66bb9963db+rustflags=-Aunfulfilled-lint-expectations for pr-163637
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcurtisxk38%2Frcheer" "/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/curtisxk38/rcheer
[INFO] finished tweaking git repo https://github.com/curtisxk38/rcheer
[INFO] tweaked toml for git repo https://github.com/curtisxk38/rcheer written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/curtisxk38/rcheer on toolchain 8773d2c75a8e90130dcce745a7ec4e66bb9963db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/curtisxk38/rcheer 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" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006
[INFO] running `Command { std: "docker" "start" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006", 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" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006", 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 -Aunfulfilled-lint-expectations" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006" "/opt/rustwide/cargo-home/bin/cargo" "+8773d2c75a8e90130dcce745a7ec4e66bb9963db" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking rcheer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: named argument `op` is not used by name
[INFO] [stdout]   --> src/ast.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             repr = format!("{:>width$}\n{left}\n{right}",
[INFO] [stdout]    |                             ---------- this formatting argument uses named argument `op` by position
[INFO] [stdout] 93 |                 op=op,
[INFO] [stdout]    |                 ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 92 |             repr = format!("{op:>width$}\n{left}\n{right}",
[INFO] [stdout]    |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `op` is not used by name
[INFO] [stdout]    --> src/ast.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             repr = format!("{:>width$}\n{right}",
[INFO] [stdout]     |                             ---------- this formatting argument uses named argument `op` by position
[INFO] [stdout] 104 |                 op=op,
[INFO] [stdout]     |                 ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 103 |             repr = format!("{op:>width$}\n{right}",
[INFO] [stdout]     |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `lit` is not used by name
[INFO] [stdout]    --> src/ast.rs:110:42
[INFO] [stdout]     |
[INFO] [stdout] 110 |             repr = format!("{:>width$}", lit=n.token.lexeme.clone(), width = indent);
[INFO] [stdout]     |                             ----------   ^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this formatting argument uses named argument `lit` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 110 |             repr = format!("{lit:>width$}", lit=n.token.lexeme.clone(), width = indent);
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/parse.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, iter::Peekable, slice::Iter};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `op` is not used by name
[INFO] [stdout]   --> src/ast.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 92 |             repr = format!("{:>width$}\n{left}\n{right}",
[INFO] [stdout]    |                             ---------- this formatting argument uses named argument `op` by position
[INFO] [stdout] 93 |                 op=op,
[INFO] [stdout]    |                 ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(named_arguments_used_positionally)]` on by default
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 92 |             repr = format!("{op:>width$}\n{left}\n{right}",
[INFO] [stdout]    |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `op` is not used by name
[INFO] [stdout]    --> src/ast.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 103 |             repr = format!("{:>width$}\n{right}",
[INFO] [stdout]     |                             ---------- this formatting argument uses named argument `op` by position
[INFO] [stdout] 104 |                 op=op,
[INFO] [stdout]     |                 ^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 103 |             repr = format!("{op:>width$}\n{right}",
[INFO] [stdout]     |                              ++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: named argument `lit` is not used by name
[INFO] [stdout]    --> src/ast.rs:110:42
[INFO] [stdout]     |
[INFO] [stdout] 110 |             repr = format!("{:>width$}", lit=n.token.lexeme.clone(), width = indent);
[INFO] [stdout]     |                             ----------   ^^^ this named argument is referred to by position in formatting string
[INFO] [stdout]     |                             |
[INFO] [stdout]     |                             this formatting argument uses named argument `lit` by position
[INFO] [stdout]     |
[INFO] [stdout] help: use the named argument by name to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 110 |             repr = format!("{lit:>width$}", lit=n.token.lexeme.clone(), width = indent);
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::format`
[INFO] [stdout]  --> src/parse.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{fmt::format, iter::Peekable, slice::Iter};
[INFO] [stdout]   |           ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub column: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `line` and `column` are never read
[INFO] [stdout]  --> src/token.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 6 |     pub line: i32,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     pub column: i32,
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(tokens: &Vec<Token>) -> ParseResult {
[INFO] [stdout]    |                      ^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(tokens: &Vec<Token>) -> ParseResult<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parse.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(tokens: &Vec<Token>) -> ParseResult {
[INFO] [stdout]    |                      ^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn parse(tokens: &Vec<Token>) -> ParseResult<'_> {
[INFO] [stdout]    |                                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> tests/common.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::remove_file`
[INFO] [stdout]  --> tests/common.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, fs::remove_file, io::Write};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> tests/common.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs::remove_file`
[INFO] [stdout]  --> tests/common.rs:3:21
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{fs::File, fs::remove_file, io::Write};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]   --> tests/common.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         CompileResult::TypeError(errors) => {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `errors`
[INFO] [stdout]   --> tests/common.rs:39:34
[INFO] [stdout]    |
[INFO] [stdout] 39 |         CompileResult::TypeError(errors) => {
[INFO] [stdout]    |                                  ^^^^^^ help: if this is intentional, prefix it with an underscore: `_errors`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Test` is never constructed
[INFO] [stdout]  --> tests/common.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Test {
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006", kill_on_drop: false }`
[INFO] [stdout] d5557c9a729215b798671a5e7f3bd4614a21e52629fdda0b211f32792fdef006
