[INFO] cloning repository https://github.com/MerlinDE/toolbelt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MerlinDE/toolbelt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMerlinDE%2Ftoolbelt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMerlinDE%2Ftoolbelt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 857387d49b22aa9593448a143a67882d8012c15f
[INFO] checking MerlinDE/toolbelt against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMerlinDE%2Ftoolbelt" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MerlinDE/toolbelt
[INFO] finished tweaking git repo https://github.com/MerlinDE/toolbelt
[INFO] tweaked toml for git repo https://github.com/MerlinDE/toolbelt written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MerlinDE/toolbelt on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MerlinDE/toolbelt 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 1 package to latest compatible version
[INFO] [stderr]       Adding Inflector v0.11.4
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded walkdir v2.3.1
[INFO] [stderr]   Downloaded ignore v0.4.16
[INFO] [stderr]   Downloaded globset v0.4.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.18
[INFO] [stderr]   Downloaded regex v1.3.9
[INFO] [stderr]   Downloaded bstr v0.2.13
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 518b307a1fd56c8302ec3c33e8d18a8e42d07f18215f013d421e4cc70d822ee9
[INFO] running `Command { std: "docker" "start" "-a" "518b307a1fd56c8302ec3c33e8d18a8e42d07f18215f013d421e4cc70d822ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "518b307a1fd56c8302ec3c33e8d18a8e42d07f18215f013d421e4cc70d822ee9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518b307a1fd56c8302ec3c33e8d18a8e42d07f18215f013d421e4cc70d822ee9", kill_on_drop: false }`
[INFO] [stdout] 518b307a1fd56c8302ec3c33e8d18a8e42d07f18215f013d421e4cc70d822ee9
[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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22e0feee3ec22b048b88ff9f32890508454e39c85ba4e4136216de8bbd673736
[INFO] running `Command { std: "docker" "start" "-a" "22e0feee3ec22b048b88ff9f32890508454e39c85ba4e4136216de8bbd673736", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]     Checking toolbelt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/lib.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fs::remove_dir_all(destination_path);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 87 |     let _ = fs::remove_dir_all(destination_path);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "22e0feee3ec22b048b88ff9f32890508454e39c85ba4e4136216de8bbd673736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e0feee3ec22b048b88ff9f32890508454e39c85ba4e4136216de8bbd673736", kill_on_drop: false }`
[INFO] [stdout] 22e0feee3ec22b048b88ff9f32890508454e39c85ba4e4136216de8bbd673736
