[INFO] updating cached repository https://github.com/zhylmzr/dtool
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/zhylmzr/dtool
[INFO] [stderr]    d2e4ca8..8236bdd  master     -> master
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8236bdd9ba86d27da4b361ac94aef971e33a907c
[INFO] checking zhylmzr/dtool against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhylmzr%2Fdtool" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhylmzr/dtool on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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-9/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 023a4b3e2387c985552107c4b7e7cf40f604feb4f5bc564191938a09095e0a42
[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" "023a4b3e2387c985552107c4b7e7cf40f604feb4f5bc564191938a09095e0a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "023a4b3e2387c985552107c4b7e7cf40f604feb4f5bc564191938a09095e0a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023a4b3e2387c985552107c4b7e7cf40f604feb4f5bc564191938a09095e0a42", kill_on_drop: false }`
[INFO] [stdout] 023a4b3e2387c985552107c4b7e7cf40f604feb4f5bc564191938a09095e0a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16904e1dea35659758592f8ce3fd61804fb992cae0f0473a7b5de1ab189b3b12
[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" "16904e1dea35659758592f8ce3fd61804fb992cae0f0473a7b5de1ab189b3b12", kill_on_drop: false }`
[INFO] [stderr]     Checking dtool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `magic`
[INFO] [stdout]   --> src/wdf.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_offset`
[INFO] [stdout]   --> src/wdf.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     list_offset: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_dtw`
[INFO] [stdout]   --> src/wdf.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new_with_dtw(filename: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `space`
[INFO] [stdout]    --> src/wdf.rs:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     space: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `magic`
[INFO] [stdout]   --> src/wdf.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     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:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     version: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file_number`
[INFO] [stdout]   --> src/wdf.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     file_number: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `list_offset`
[INFO] [stdout]   --> src/wdf.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     list_offset: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_with_dtw`
[INFO] [stdout]   --> src/wdf.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pub fn new_with_dtw(filename: &str) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_file_number`
[INFO] [stdout]   --> src/wdf.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |     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:103:5
[INFO] [stdout]     |
[INFO] [stdout] 103 |     space: u32,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "16904e1dea35659758592f8ce3fd61804fb992cae0f0473a7b5de1ab189b3b12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16904e1dea35659758592f8ce3fd61804fb992cae0f0473a7b5de1ab189b3b12", kill_on_drop: false }`
[INFO] [stdout] 16904e1dea35659758592f8ce3fd61804fb992cae0f0473a7b5de1ab189b3b12