[INFO] updating cached repository https://github.com/Innectic/fe-shell
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8f69ba9b01f3ad8c40f388bafd3d791ce62e8a4b
[INFO] checking Innectic/fe-shell against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FInnectic%2Ffe-shell" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Innectic/fe-shell on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Innectic/fe-shell
[INFO] finished tweaking git repo https://github.com/Innectic/fe-shell
[INFO] tweaked toml for git repo https://github.com/Innectic/fe-shell written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Innectic/fe-shell already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2f4bbc03d5755af2c03bb6ed517dd429751687d0ced8c02f8ec8b05486e4be82
[INFO] running `"docker" "start" "-a" "2f4bbc03d5755af2c03bb6ed517dd429751687d0ced8c02f8ec8b05486e4be82"`
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking fe-shell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/config.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde_json::{Value, from_str};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Value`
[INFO] [stderr]  --> src/config.rs:9:18
[INFO] [stderr]   |
[INFO] [stderr] 9 | use serde_json::{Value, from_str};
[INFO] [stderr]   |                  ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/instance.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         match env::home_dir() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::env::home_dir': This function's behavior is unexpected and probably not what you want. Consider using the home_dir function from https://crates.io/crates/dirs instead.
[INFO] [stderr]   --> src/instance.rs:28:9
[INFO] [stderr]    |
[INFO] [stderr] 28 |         match env::home_dir() {
[INFO] [stderr]    |               ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CouldNotParseConfig`
[INFO] [stderr]   --> src/instance.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     CouldNotParseConfig
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     create_default_config(&config_path);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout().flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `CouldNotParseConfig`
[INFO] [stderr]   --> src/instance.rs:18:2
[INFO] [stderr]    |
[INFO] [stderr] 18 |     CouldNotParseConfig
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:33:6
[INFO] [stderr]    |
[INFO] [stderr] 33 |                     create_default_config(&config_path);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/instance.rs:52:4
[INFO] [stderr]    |
[INFO] [stderr] 52 |             stdout().flush();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.78s
[INFO] running `"docker" "inspect" "2f4bbc03d5755af2c03bb6ed517dd429751687d0ced8c02f8ec8b05486e4be82"`
[INFO] running `"docker" "rm" "-f" "2f4bbc03d5755af2c03bb6ed517dd429751687d0ced8c02f8ec8b05486e4be82"`
[INFO] [stdout] 2f4bbc03d5755af2c03bb6ed517dd429751687d0ced8c02f8ec8b05486e4be82