[INFO] cloning repository https://github.com/zcfabra/funpy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zcfabra/funpy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Ffunpy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Ffunpy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 45f195f88a63ef66351928ab73c8e6ded51a631b
[INFO] checking zcfabra/funpy against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzcfabra%2Ffunpy" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zcfabra/funpy
[INFO] finished tweaking git repo https://github.com/zcfabra/funpy
[INFO] tweaked toml for git repo https://github.com/zcfabra/funpy written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zcfabra/funpy on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zcfabra/funpy 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bda580417398d18a3163554724401f4cbc2eedd9200d77e23912046b1fa9e9b5
[INFO] running `Command { std: "docker" "start" "-a" "bda580417398d18a3163554724401f4cbc2eedd9200d77e23912046b1fa9e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bda580417398d18a3163554724401f4cbc2eedd9200d77e23912046b1fa9e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bda580417398d18a3163554724401f4cbc2eedd9200d77e23912046b1fa9e9b5", kill_on_drop: false }`
[INFO] [stdout] bda580417398d18a3163554724401f4cbc2eedd9200d77e23912046b1fa9e9b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 424d24314f3c9b2ada09563678a1b7d316e65c299aaa82268f276fa139b49b64
[INFO] running `Command { std: "docker" "start" "-a" "424d24314f3c9b2ada09563678a1b7d316e65c299aaa82268f276fa139b49b64", kill_on_drop: false }`
[INFO] [stderr]     Checking interp-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AstBinExpr` and `AstNode`
[INFO] [stdout]  --> src/parser.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     AstBinExpr, AstBlock, AstCallExpr, AstConditional, AstExpr, AstLiteral, AstNode, AstStmt, AttrAccess, CallArg,
[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: `Operator`
[INFO] [stdout]  --> src/parser.rs:6:20
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::token::{Operator, SpannedToken, Token};
[INFO] [stdout]   |                    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Write`
[INFO] [stdout]  --> src/main.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Result, Write};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `AstNode`
[INFO] [stdout]  --> src/parser.rs:2:77
[INFO] [stdout]   |
[INFO] [stdout] 2 |     AstBinExpr, AstBlock, AstCallExpr, AstConditional, AstExpr, AstLiteral, AstNode, AstStmt, AttrAccess, CallArg,
[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 imports: `File` and `OpenOptions`
[INFO] [stdout]  --> src/main.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fs::{File, OpenOptions};
[INFO] [stdout]   |               ^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Result` and `Write`
[INFO] [stdout]  --> src/main.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Result, Write};
[INFO] [stdout]   |                     ^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lexer.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]   --> src/lexer.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::UnknownToken(ix, ed) => todo!(),
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed`
[INFO] [stdout]   --> src/lexer.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::UnknownToken(ix, ed) => todo!(),
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_ed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]   --> src/lexer.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Self::UnterminatedString(ix) => todo!(),
[INFO] [stdout]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lexer.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 Started::Spaces => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 161 |                 Started::Numeric => {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 175 |                 Started::Ident => {
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 188 |                 Started::String => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 225 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/lexer.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
[INFO] [stdout]    |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]   --> src/lexer.rs:34:32
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::UnknownToken(ix, ed) => todo!(),
[INFO] [stdout]    |                                ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed`
[INFO] [stdout]   --> src/lexer.rs:34:36
[INFO] [stdout]    |
[INFO] [stdout] 34 |             Self::UnknownToken(ix, ed) => todo!(),
[INFO] [stdout]    |                                    ^^ help: if this is intentional, prefix it with an underscore: `_ed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ix`
[INFO] [stdout]   --> src/lexer.rs:35:38
[INFO] [stdout]    |
[INFO] [stdout] 35 |             Self::UnterminatedString(ix) => todo!(),
[INFO] [stdout]    |                                      ^^ help: if this is intentional, prefix it with an underscore: `_ix`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lexer.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 225 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/lexer.rs:225:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 Started::Spaces => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 161 |                 Started::Numeric => {
[INFO] [stdout]     |                 ---------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 175 |                 Started::Ident => {
[INFO] [stdout]     |                 -------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 188 |                 Started::String => {
[INFO] [stdout]     |                 --------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 225 |                 _ => todo!(),
[INFO] [stdout]     |                 ^ ...and 2 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/parser.rs:222:60
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub fn parse_struct_def<'src, I>(tokens: &mut Peekable<I>, indent: usize) -> Result<AstStmt<'src>>
[INFO] [stdout]     |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]    --> src/parser.rs:222:60
[INFO] [stdout]     |
[INFO] [stdout] 222 | pub fn parse_struct_def<'src, I>(tokens: &mut Peekable<I>, indent: usize) -> Result<AstStmt<'src>>
[INFO] [stdout]     |                                                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lexer<'src> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     src: &'src str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src` and `err` are never read
[INFO] [stdout]   --> src/lexer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct WithSrcErr<'src, 'err, E>
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     src: &'src str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     err: &'err E,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `exiting_parens` and `with_annotation_parsing` are never used
[INFO] [stdout]   --> src/parser.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ParseContext {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn exiting_parens(mut self: Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn with_annotation_parsing(mut self: Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `src` is never read
[INFO] [stdout]  --> src/lexer.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Lexer<'src> {
[INFO] [stdout]   |            ----- field in this struct
[INFO] [stdout] 4 |     src: &'src str,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `src` and `err` are never read
[INFO] [stdout]   --> src/lexer.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct WithSrcErr<'src, 'err, E>
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     src: &'src str,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 22 |     err: &'err E,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `exiting_parens` and `with_annotation_parsing` are never used
[INFO] [stdout]   --> src/parser.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl ParseContext {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn exiting_parens(mut self: Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn with_annotation_parsing(mut self: Self) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "424d24314f3c9b2ada09563678a1b7d316e65c299aaa82268f276fa139b49b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "424d24314f3c9b2ada09563678a1b7d316e65c299aaa82268f276fa139b49b64", kill_on_drop: false }`
[INFO] [stdout] 424d24314f3c9b2ada09563678a1b7d316e65c299aaa82268f276fa139b49b64
