[INFO] cloning repository https://github.com/SunDoge/prettytoml
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SunDoge/prettytoml" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 09210d808548a4b104c28f4de22ac50ad2d037fe
[INFO] checking SunDoge/prettytoml against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSunDoge%2Fprettytoml" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SunDoge/prettytoml on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] finished tweaking git repo https://github.com/SunDoge/prettytoml
[INFO] tweaked toml for git repo https://github.com/SunDoge/prettytoml written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SunDoge/prettytoml already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3edca456d86b3afd94a0a723d492daa4cd0b3c1dd22c1853da8c2b8c3d04fc77
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3edca456d86b3afd94a0a723d492daa4cd0b3c1dd22c1853da8c2b8c3d04fc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3edca456d86b3afd94a0a723d492daa4cd0b3c1dd22c1853da8c2b8c3d04fc77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3edca456d86b3afd94a0a723d492daa4cd0b3c1dd22c1853da8c2b8c3d04fc77", kill_on_drop: false }`
[INFO] [stdout] 3edca456d86b3afd94a0a723d492daa4cd0b3c1dd22c1853da8c2b8c3d04fc77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed464df84e65aca63db2bb91f0e2968fadcc7cf918128a5d6ae76e6d04d3c3e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ed464df84e65aca63db2bb91f0e2968fadcc7cf918128a5d6ae76e6d04d3c3e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking prettytoml v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::tokens::*`
[INFO] [stdout]    --> src/lexer/mod.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use crate::tokens::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/parser/mod.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]  --> src/parser/parser.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]   --> src/parser/mod.rs:12:23
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn parse_token_stream(token_stream: TokenStream) {}
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token_stream`
[INFO] [stdout]  --> src/parser/parser.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |                           ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_token_stream`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `toml_file_elements`
[INFO] [stdout]  --> src/parser/parser.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head_index`
[INFO] [stdout]  --> src/parser/tokenstream.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     head_index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tokens`
[INFO] [stdout]  --> src/parser/tokenstream.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     tokens: &'a Vec<Token>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/parser/tokenstream.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tail`
[INFO] [stdout]   --> src/parser/tokenstream.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/parser/tokenstream.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at_end`
[INFO] [stdout]   --> src/parser/tokenstream.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/parser/tokenstream.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Capture`
[INFO] [stdout]  --> src/parser/recdesc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Capture<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/parser/recdesc.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pending_tokens`
[INFO] [stdout]   --> src/parser/recdesc.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `toml_file_elements`
[INFO] [stdout]  --> src/parser/parser.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn toml_file_elements(token_stream: TokenStream) -> Result<TokenStream, String> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `head_index`
[INFO] [stdout]  --> src/parser/tokenstream.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     head_index: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tokens`
[INFO] [stdout]  --> src/parser/tokenstream.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     tokens: &'a Vec<Token>,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `head`
[INFO] [stdout]   --> src/parser/tokenstream.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 |     pub fn head(&self) -> Option<&Token> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `tail`
[INFO] [stdout]   --> src/parser/tokenstream.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub fn tail(&self) -> TokenStream {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `offset`
[INFO] [stdout]   --> src/parser/tokenstream.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `at_end`
[INFO] [stdout]   --> src/parser/tokenstream.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn at_end(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `len`
[INFO] [stdout]   --> src/parser/tokenstream.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     pub fn len(&self) -> usize {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Capture`
[INFO] [stdout]  --> src/parser/recdesc.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Capture<'a> {
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/parser/recdesc.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 |     pub fn new(token_stream: TokenStream) -> Capture {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pending_tokens`
[INFO] [stdout]   --> src/parser/recdesc.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn pending_tokens(&self) -> &TokenStream {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "ed464df84e65aca63db2bb91f0e2968fadcc7cf918128a5d6ae76e6d04d3c3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed464df84e65aca63db2bb91f0e2968fadcc7cf918128a5d6ae76e6d04d3c3e8", kill_on_drop: false }`
[INFO] [stdout] ed464df84e65aca63db2bb91f0e2968fadcc7cf918128a5d6ae76e6d04d3c3e8