[INFO] fetching crate cargo-alias 0.2.0...
[INFO] checking cargo-alias-0.2.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate cargo-alias 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate cargo-alias 0.2.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-alias 0.2.0
[INFO] finished tweaking crates.io crate cargo-alias 0.2.0
[INFO] tweaked toml for crates.io crate cargo-alias 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate cargo-alias 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7d0c9191c0484ab5a0d0bffa24546ec789f1448933a23ef49b1a2da01e9ac8e
[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" "e7d0c9191c0484ab5a0d0bffa24546ec789f1448933a23ef49b1a2da01e9ac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7d0c9191c0484ab5a0d0bffa24546ec789f1448933a23ef49b1a2da01e9ac8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d0c9191c0484ab5a0d0bffa24546ec789f1448933a23ef49b1a2da01e9ac8e", kill_on_drop: false }`
[INFO] [stdout] e7d0c9191c0484ab5a0d0bffa24546ec789f1448933a23ef49b1a2da01e9ac8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44ee2c57889eb6ad302628bf9452175af87df1b4d8f67a8df490b7690ab0cf9d
[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" "44ee2c57889eb6ad302628bf9452175af87df1b4d8f67a8df490b7690ab0cf9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking combine v4.6.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking toml_edit v0.2.1
[INFO] [stderr]     Checking cargo-alias v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `current_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let current_config = env::current_dir()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cargo_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let cargo_config = Path::new(".cargo").join("config.toml");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let current_config = env::current_dir()?;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current_config`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cargo_config`
[INFO] [stdout]   --> src/bin/cargo-alias.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let cargo_config = Path::new(".cargo").join("config.toml");
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cargo_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.71s
[INFO] running `Command { std: "docker" "inspect" "44ee2c57889eb6ad302628bf9452175af87df1b4d8f67a8df490b7690ab0cf9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44ee2c57889eb6ad302628bf9452175af87df1b4d8f67a8df490b7690ab0cf9d", kill_on_drop: false }`
[INFO] [stdout] 44ee2c57889eb6ad302628bf9452175af87df1b4d8f67a8df490b7690ab0cf9d
