[INFO] cloning repository https://github.com/zhylmzr/dtool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhylmzr/dtool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhylmzr%2Fdtool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhylmzr%2Fdtool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d2e4ca8e48d5954fcfc89874fcc70f8e48f48ec7
[INFO] checking zhylmzr/dtool against master#1557fb031b272b4c5bfcc7de5df7eddc7b36a584 for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhylmzr%2Fdtool" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhylmzr/dtool on toolchain 1557fb031b272b4c5bfcc7de5df7eddc7b36a584
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhylmzr/dtool
[INFO] finished tweaking git repo https://github.com/zhylmzr/dtool
[INFO] tweaked toml for git repo https://github.com/zhylmzr/dtool written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/zhylmzr/dtool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d53679889d1f84e7895f8af181f7d6af2f529936b0e4c87a8044c9fbc706a208
[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" "d53679889d1f84e7895f8af181f7d6af2f529936b0e4c87a8044c9fbc706a208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d53679889d1f84e7895f8af181f7d6af2f529936b0e4c87a8044c9fbc706a208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d53679889d1f84e7895f8af181f7d6af2f529936b0e4c87a8044c9fbc706a208", kill_on_drop: false }`
[INFO] [stdout] d53679889d1f84e7895f8af181f7d6af2f529936b0e4c87a8044c9fbc706a208
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 006d60ce68aeb7a33a680e0fbd1573e22e4e92821f11e46eb4f8740f5957845b
[INFO] running `Command { std: "docker" "start" "-a" "006d60ce68aeb7a33a680e0fbd1573e22e4e92821f11e46eb4f8740f5957845b", kill_on_drop: false }`
[INFO] [stderr]     Checking dtool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/wdf.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `magic`
[INFO] [stdout]  --> src/wdf.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     magic: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]  --> src/wdf.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     version: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_number`
[INFO] [stdout]   --> src/wdf.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     file_number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_offset`
[INFO] [stdout]   --> src/wdf.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list_offset: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_file_number`
[INFO] [stdout]   --> src/wdf.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn get_file_number(&self) -> u32 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `space`
[INFO] [stdout]   --> src/wdf.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     space: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/wdf.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             fs::create_dir_all(path.to_str().unwrap());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/wdf.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `magic`
[INFO] [stdout]  --> src/wdf.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     magic: u32,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `version`
[INFO] [stdout]  --> src/wdf.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     version: u32,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_offset`
[INFO] [stdout]   --> src/wdf.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     list_offset: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `space`
[INFO] [stdout]   --> src/wdf.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     space: u32,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/wdf.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             fs::create_dir_all(path.to_str().unwrap());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "006d60ce68aeb7a33a680e0fbd1573e22e4e92821f11e46eb4f8740f5957845b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006d60ce68aeb7a33a680e0fbd1573e22e4e92821f11e46eb4f8740f5957845b", kill_on_drop: false }`
[INFO] [stdout] 006d60ce68aeb7a33a680e0fbd1573e22e4e92821f11e46eb4f8740f5957845b