[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] 8236bdd9ba86d27da4b361ac94aef971e33a907c
[INFO] checking zhylmzr/dtool against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhylmzr%2Fdtool" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhylmzr/dtool on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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-0/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" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", 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] 38f5914b2fe3d99497efc10ce56d8f798b839b95532e5867667b7b356156b246
[INFO] running `Command { std: "docker" "start" "-a" "38f5914b2fe3d99497efc10ce56d8f798b839b95532e5867667b7b356156b246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38f5914b2fe3d99497efc10ce56d8f798b839b95532e5867667b7b356156b246", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38f5914b2fe3d99497efc10ce56d8f798b839b95532e5867667b7b356156b246", kill_on_drop: false }`
[INFO] [stdout] 38f5914b2fe3d99497efc10ce56d8f798b839b95532e5867667b7b356156b246
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd4b85f10ef3077ba79c8ea424e5e59c38abada1de32c265b16a8c2ee2f4a7d
[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" "fbd4b85f10ef3077ba79c8ea424e5e59c38abada1de32c265b16a8c2ee2f4a7d", 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: 5 warnings emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "fbd4b85f10ef3077ba79c8ea424e5e59c38abada1de32c265b16a8c2ee2f4a7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd4b85f10ef3077ba79c8ea424e5e59c38abada1de32c265b16a8c2ee2f4a7d", kill_on_drop: false }`
[INFO] [stdout] fbd4b85f10ef3077ba79c8ea424e5e59c38abada1de32c265b16a8c2ee2f4a7d