[INFO] cloning repository https://github.com/lukahasch/hex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lukahasch/hex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fhex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fhex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0764f0027c6b48c9693675a26d14e8a51a89412
[INFO] checking lukahasch/hex against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flukahasch%2Fhex" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lukahasch/hex
[INFO] finished tweaking git repo https://github.com/lukahasch/hex
[INFO] tweaked toml for git repo https://github.com/lukahasch/hex written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lukahasch/hex on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lukahasch/hex 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ariadne v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd387545c4d419ce002895aba02d12323ac51cddcf0249fa8b56b6787a4f7539
[INFO] running `Command { std: "docker" "start" "-a" "dd387545c4d419ce002895aba02d12323ac51cddcf0249fa8b56b6787a4f7539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd387545c4d419ce002895aba02d12323ac51cddcf0249fa8b56b6787a4f7539", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd387545c4d419ce002895aba02d12323ac51cddcf0249fa8b56b6787a4f7539", kill_on_drop: false }`
[INFO] [stdout] dd387545c4d419ce002895aba02d12323ac51cddcf0249fa8b56b6787a4f7539
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6be2bf098ccdf5eb1cf71c9f43a887f1d42e7950ccc3593097e9b26e0b0b4dc6
[INFO] running `Command { std: "docker" "start" "-a" "6be2bf098ccdf5eb1cf71c9f43a887f1d42e7950ccc3593097e9b26e0b0b4dc6", kill_on_drop: false }`
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]     Checking stream 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(
[INFO] [stdout] 2 | |     impl_trait_in_bindings,
[INFO] [stdout] 3 | |     stmt_expr_attributes,
[INFO] [stdout] 4 | |     decl_macro,
[INFO] [stdout] 5 | |     impl_trait_in_fn_trait_return,
[INFO] [stdout] 6 | |     try_trait_v2
[INFO] [stdout] 7 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::FromResidual`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::FromResidual;
[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: `crate::Span`
[INFO] [stdout]  --> src/error/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ariadne::Label`
[INFO] [stdout]  --> src/error/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ariadne::Label;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `identity` and `parser`
[INFO] [stdout]  --> src/parser/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lib::{identity, parser};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Parsable`, `Parser`, `Result`, and `Warning`
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Result, Span,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     error::{Error, Warning},
[INFO] [stdout]   |             ^^^^^  ^^^^^^^
[INFO] [stdout] 7 |     parser::lib::{Parsable, Parser},
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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(
[INFO] [stdout] 2 | |     impl_trait_in_bindings,
[INFO] [stdout] 3 | |     stmt_expr_attributes,
[INFO] [stdout] 4 | |     decl_macro,
[INFO] [stdout] 5 | |     impl_trait_in_fn_trait_return,
[INFO] [stdout] 6 | |     try_trait_v2
[INFO] [stdout] 7 | | )]
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::FromResidual`
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::ops::FromResidual;
[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: `crate::Span`
[INFO] [stdout]  --> src/error/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::Span;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ariadne::Label`
[INFO] [stdout]  --> src/error/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use ariadne::Label;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `identity` and `parser`
[INFO] [stdout]  --> src/parser/mod.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use lib::{identity, parser};
[INFO] [stdout]   |           ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `Parsable`, `Parser`, `Result`, and `Warning`
[INFO] [stdout]  --> src/parser/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Result, Span,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 6 |     error::{Error, Warning},
[INFO] [stdout]   |             ^^^^^  ^^^^^^^
[INFO] [stdout] 7 |     parser::lib::{Parsable, Parser},
[INFO] [stdout]   |                   ^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stream` (lib) due to 1 previous error; 5 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `stream` (lib test) due to 1 previous error; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "6be2bf098ccdf5eb1cf71c9f43a887f1d42e7950ccc3593097e9b26e0b0b4dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6be2bf098ccdf5eb1cf71c9f43a887f1d42e7950ccc3593097e9b26e0b0b4dc6", kill_on_drop: false }`
[INFO] [stdout] 6be2bf098ccdf5eb1cf71c9f43a887f1d42e7950ccc3593097e9b26e0b0b4dc6
