[INFO] fetching crate config-loader 2.2.3...
[INFO] testing config-loader-2.2.3 against 1.90.0 for beta-1.91-3
[INFO] extracting crate config-loader 2.2.3 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate config-loader 2.2.3
[INFO] finished tweaking crates.io crate config-loader 2.2.3
[INFO] tweaked toml for crates.io crate config-loader 2.2.3 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate config-loader 2.2.3 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 crates.io crate config-loader 2.2.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.14.2
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded serde_derive v1.0.131
[INFO] [stderr]   Downloaded anyhow v1.0.51
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded serde v1.0.131
[INFO] [stderr]   Downloaded clap v3.0.0-rc.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 10335943b331ba89cb0e78d6c48399dad6904ddda677e44ad4d2393859afcf80
[INFO] running `Command { std: "docker" "start" "-a" "10335943b331ba89cb0e78d6c48399dad6904ddda677e44ad4d2393859afcf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10335943b331ba89cb0e78d6c48399dad6904ddda677e44ad4d2393859afcf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10335943b331ba89cb0e78d6c48399dad6904ddda677e44ad4d2393859afcf80", kill_on_drop: false }`
[INFO] [stdout] 10335943b331ba89cb0e78d6c48399dad6904ddda677e44ad4d2393859afcf80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 3310165ff218cea55a4ac665b1a5b0ee7b61c11d51079983ab15f8a7f89409d6
[INFO] running `Command { std: "docker" "start" "-a" "3310165ff218cea55a4ac665b1a5b0ee7b61c11d51079983ab15f8a7f89409d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]    Compiling textwrap v0.14.2
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling home v0.5.3
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling clap v3.0.0-rc.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling config-loader v2.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/main.rs:27:1
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![feature(int_log)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `remove_dir`
[INFO] [stdout]   --> src/app.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |         remove_dir,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `int_log` has been stable since 1.67.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/main.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![feature(int_log)]
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `log10` found for type `usize` in the current scope
[INFO] [stdout]    --> src/app.rs:119:59
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let number_width = (loadouts_config.loadouts.len() - 1).log10() as usize + 1;
[INFO] [stdout]     |                                                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `ilog10` with a similar name
[INFO] [stdout]     |
[INFO] [stdout] 119 |         let number_width = (loadouts_config.loadouts.len() - 1).ilog10() as usize + 1;
[INFO] [stdout]     |                                                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_metadata`
[INFO] [stdout]    --> src/app.rs:261:7
[INFO] [stdout]     |
[INFO] [stdout] 261 |         let source_metadata = symlink_metadata(source)
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_metadata`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `config-loader` (bin "config-loader") due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3310165ff218cea55a4ac665b1a5b0ee7b61c11d51079983ab15f8a7f89409d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3310165ff218cea55a4ac665b1a5b0ee7b61c11d51079983ab15f8a7f89409d6", kill_on_drop: false }`
[INFO] [stdout] 3310165ff218cea55a4ac665b1a5b0ee7b61c11d51079983ab15f8a7f89409d6