[INFO] fetching crate vpk 0.1.2...
[INFO] checking vpk-0.1.2 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate vpk 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate vpk 0.1.2 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vpk 0.1.2
[INFO] finished tweaking crates.io crate vpk 0.1.2
[INFO] tweaked toml for crates.io crate vpk 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate vpk 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 76687297d406a9d139a1665348b238a665711a0286b1a0bd6f27d025d61d90a0
[INFO] running `Command { std: "docker" "start" "-a" "76687297d406a9d139a1665348b238a665711a0286b1a0bd6f27d025d61d90a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76687297d406a9d139a1665348b238a665711a0286b1a0bd6f27d025d61d90a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76687297d406a9d139a1665348b238a665711a0286b1a0bd6f27d025d61d90a0", kill_on_drop: false }`
[INFO] [stdout] 76687297d406a9d139a1665348b238a665711a0286b1a0bd6f27d025d61d90a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] 5f0f6a510cf8cc171a96ed0a04053333c13e5d26b7c80b5140134907e7cabf75
[INFO] running `Command { std: "docker" "start" "-a" "5f0f6a510cf8cc171a96ed0a04053333c13e5d26b7c80b5140134907e7cabf75", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling binread_derive v1.0.2
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking binread v1.0.1
[INFO] [stderr]     Checking vpk v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `buf_len` is never read
[INFO] [stdout]   --> examples/extract.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let mut buf_len: usize = 0;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.33s
[INFO] running `Command { std: "docker" "inspect" "5f0f6a510cf8cc171a96ed0a04053333c13e5d26b7c80b5140134907e7cabf75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f0f6a510cf8cc171a96ed0a04053333c13e5d26b7c80b5140134907e7cabf75", kill_on_drop: false }`
[INFO] [stdout] 5f0f6a510cf8cc171a96ed0a04053333c13e5d26b7c80b5140134907e7cabf75