[INFO] cloning repository https://github.com/Ashymad/ptp-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ashymad/ptp-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshymad%2Fptp-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshymad%2Fptp-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 70eb71da67c388dbc9c009e6d9735a4e5fd080b5
[INFO] checking Ashymad/ptp-rs against try#89c05fd3cc6404a13e1bd71450c6132a2755fa4b for pr-69741
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAshymad%2Fptp-rs" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ashymad/ptp-rs on toolchain 89c05fd3cc6404a13e1bd71450c6132a2755fa4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Ashymad/ptp-rs
[INFO] finished tweaking git repo https://github.com/Ashymad/ptp-rs
[INFO] tweaked toml for git repo https://github.com/Ashymad/ptp-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ashymad/ptp-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-repr v0.2.6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "/opt/rustwide/cargo-home/bin/cargo" "+89c05fd3cc6404a13e1bd71450c6132a2755fa4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b0a61803dbec9828b65eb63a5e67ce8e7d15160e8132335ea092182b925bedc
[INFO] running `"docker" "start" "-a" "7b0a61803dbec9828b65eb63a5e67ce8e7d15160e8132335ea092182b925bedc"`
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling enum-repr v0.2.6
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.4.2
[INFO] [stderr]     Checking ifaces v0.1.0
[INFO] [stderr]     Checking num_enum v0.4.2
[INFO] [stderr]     Checking ptp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let (number_of_bytes, src_addr) = if event.token() == Token(0) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number_of_bytes`
[INFO] [stderr]   --> src/main.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |                 let (number_of_bytes, src_addr) = if event.token() == Token(0) {
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_number_of_bytes`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.97s
[INFO] running `"docker" "inspect" "7b0a61803dbec9828b65eb63a5e67ce8e7d15160e8132335ea092182b925bedc"`
[INFO] running `"docker" "rm" "-f" "7b0a61803dbec9828b65eb63a5e67ce8e7d15160e8132335ea092182b925bedc"`
[INFO] [stdout] 7b0a61803dbec9828b65eb63a5e67ce8e7d15160e8132335ea092182b925bedc