[INFO] cloning repository https://github.com/lukahasch/mesh
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukahasch/mesh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fmesh", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fmesh'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 245e9ab246912a2a57d032e27febc7fce9aa259d
[INFO] testing lukahasch/mesh against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fmesh" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukahasch/mesh
[INFO] finished tweaking git repo https://github.com/lukahasch/mesh
[INFO] tweaked toml for git repo https://github.com/lukahasch/mesh written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukahasch/mesh on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukahasch/mesh 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom-language v0.1.0
[INFO] [stderr]   Downloaded ariadne v0.5.0
[INFO] [stderr]   Downloaded smallmap v1.4.2
[INFO] [stderr]   Downloaded nom v8.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2fa1af505972bc464d2902d5b4760cfcc564136e5c177f1c2993b54b115d501e
[INFO] running `Command { std: "docker" "start" "-a" "2fa1af505972bc464d2902d5b4760cfcc564136e5c177f1c2993b54b115d501e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2fa1af505972bc464d2902d5b4760cfcc564136e5c177f1c2993b54b115d501e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa1af505972bc464d2902d5b4760cfcc564136e5c177f1c2993b54b115d501e", kill_on_drop: false }`
[INFO] [stdout] 2fa1af505972bc464d2902d5b4760cfcc564136e5c177f1c2993b54b115d501e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2087b370734cf3da92a876bb36965583547f96878e5389b45059fed5d81d8c85
[INFO] running `Command { std: "docker" "start" "-a" "2087b370734cf3da92a876bb36965583547f96878e5389b45059fed5d81d8c85", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.25
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling smallmap v1.4.2
[INFO] [stderr]    Compiling nom v8.0.0
[INFO] [stderr]    Compiling ariadne v0.5.0
[INFO] [stderr]    Compiling nom-language v0.1.0
[INFO] [stderr]    Compiling mesh v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(impl_trait_in_assoc_type, impl_trait_in_bindings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ReplaceError`, `debug`, and `word`
[INFO] [stdout]  --> src/parser/mod.rs:2:35
[INFO] [stdout]   |
[INFO] [stdout] 2 |     Extensions, IgnoreAnd, Inner, ReplaceError, Source, begin_block, better_eof, boundary, debug,
[INFO] [stdout]   |                                   ^^^^^^^^^^^^                                             ^^^^^
[INFO] [stdout] 3 |     end_block, not_eof, surrounded, word, ws,
[INFO] [stdout]   |                                     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Input`, `character::complete::one_of`, `eof`, `fail`, `many0`, `opt`, and `peek`
[INFO] [stdout]   --> src/parser/mod.rs:6:19
[INFO] [stdout]    |
[INFO] [stdout]  6 |     Err, IResult, Input, Parser,
[INFO] [stdout]    |                   ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  9 |     character::complete::one_of,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 10 |     combinator::{cut, eof, fail, opt, peek},
[INFO] [stdout]    |                       ^^^  ^^^^  ^^^  ^^^^
[INFO] [stdout] 11 |     multi::{many0, many1, separated_list0},
[INFO] [stdout]    |             ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Operation`, `precedence`, and `unary_op`
[INFO] [stdout]   --> src/parser/mod.rs:15:32
[INFO] [stdout]    |
[INFO] [stdout] 15 | use nom_language::precedence::{Operation, precedence, unary_op};
[INFO] [stdout]    |                                ^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ParseFloatError` and `ParseIntError`
[INFO] [stdout]   --> src/parser/mod.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::num::{ParseFloatError, ParseIntError};
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Field`, `Fields`, and `Pattern`
[INFO] [stdout]   --> src/parser/mod.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 | use crate::{Expression, Field, Fields, ListContent, Node, Pattern, error::Error};
[INFO] [stdout]    |                         ^^^^^  ^^^^^^                     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FromExternalError`
[INFO] [stdout]   --> src/parser/lib.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     error::{FromExternalError, ParseError},
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/error/mod.rs:52:17
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn or(self, other: Self) -> Self {
[INFO] [stdout]    |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/error/mod.rs:56:15
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn append(input: Source<'a>, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |               ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/error/mod.rs:56:34
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn append(input: Source<'a>, kind: nom::error::ErrorKind, other: Self) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/error/mod.rs:62:28
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from_external_error(input: Source<'_>, kind: nom::error::ErrorKind, e: Self) -> Self {
[INFO] [stdout]    |                            ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `kind`
[INFO] [stdout]   --> src/error/mod.rs:62:47
[INFO] [stdout]    |
[INFO] [stdout] 62 |     fn from_external_error(input: Source<'_>, kind: nom::error::ErrorKind, e: Self) -> Self {
[INFO] [stdout]    |                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_kind`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mesh` (lib) due to 1 previous error; 11 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "2087b370734cf3da92a876bb36965583547f96878e5389b45059fed5d81d8c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2087b370734cf3da92a876bb36965583547f96878e5389b45059fed5d81d8c85", kill_on_drop: false }`
[INFO] [stdout] 2087b370734cf3da92a876bb36965583547f96878e5389b45059fed5d81d8c85