[INFO] fetching crate lad 0.1.1...
[INFO] checking lad-0.1.1 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate lad 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate lad 0.1.1 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lad 0.1.1
[INFO] finished tweaking crates.io crate lad 0.1.1
[INFO] tweaked toml for crates.io crate lad 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9c2b0c49a89ec5c1f325d2cb75da443a05e01fa4dae9fb30956f12e62110699
[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" "f9c2b0c49a89ec5c1f325d2cb75da443a05e01fa4dae9fb30956f12e62110699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9c2b0c49a89ec5c1f325d2cb75da443a05e01fa4dae9fb30956f12e62110699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9c2b0c49a89ec5c1f325d2cb75da443a05e01fa4dae9fb30956f12e62110699", kill_on_drop: false }`
[INFO] [stdout] f9c2b0c49a89ec5c1f325d2cb75da443a05e01fa4dae9fb30956f12e62110699
[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" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] 4b6071a761e17b938a3862580ca6d8927fbadf60f2646bc0ce517fdd3c6f9df0
[INFO] running `Command { std: "docker" "start" "-a" "4b6071a761e17b938a3862580ca6d8927fbadf60f2646bc0ce517fdd3c6f9df0", kill_on_drop: false }`
[INFO] [stderr]     Checking lad v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/lib.rs:11:13
[INFO] [stdout]    |
[INFO] [stdout] 11 |         use std::fs::File;
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]   --> src/lib.rs:12:13
[INFO] [stdout]    |
[INFO] [stdout] 12 |         use std::io::Write;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp_entry` is never read
[INFO] [stdout]   --> src/wad/mod.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut tmp_entry = DirEntry {
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `tmp_entry` is never read
[INFO] [stdout]   --> src/wad/mod.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut tmp_entry = DirEntry {
[INFO] [stdout]    |             ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "4b6071a761e17b938a3862580ca6d8927fbadf60f2646bc0ce517fdd3c6f9df0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6071a761e17b938a3862580ca6d8927fbadf60f2646bc0ce517fdd3c6f9df0", kill_on_drop: false }`
[INFO] [stdout] 4b6071a761e17b938a3862580ca6d8927fbadf60f2646bc0ce517fdd3c6f9df0