[INFO] cloning repository https://github.com/vincentg/tokio_tftpserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vincentg/tokio_tftpserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 66822f1a38e388422452f530728391af79d512bb
[INFO] checking vincentg/tokio_tftpserver against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvincentg%2Ftokio_tftpserver" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vincentg/tokio_tftpserver on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vincentg/tokio_tftpserver
[INFO] finished tweaking git repo https://github.com/vincentg/tokio_tftpserver
[INFO] tweaked toml for git repo https://github.com/vincentg/tokio_tftpserver written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/vincentg/tokio_tftpserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ade041ab5948f0c50be3d765bd6157479d43f347c38c2853e3d83afc2154ca22
[INFO] running `Command { std: "docker" "start" "-a" "ade041ab5948f0c50be3d765bd6157479d43f347c38c2853e3d83afc2154ca22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ade041ab5948f0c50be3d765bd6157479d43f347c38c2853e3d83afc2154ca22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade041ab5948f0c50be3d765bd6157479d43f347c38c2853e3d83afc2154ca22", kill_on_drop: false }`
[INFO] [stdout] ade041ab5948f0c50be3d765bd6157479d43f347c38c2853e3d83afc2154ca22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c099da047838d1900ab926c45991e9a9edaf06b4200728317de49be890d4dd37
[INFO] running `Command { std: "docker" "start" "-a" "c099da047838d1900ab926c45991e9a9edaf06b4200728317de49be890d4dd37", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking privdrop v0.5.0
[INFO] [stderr]     Checking tokio_tftpserver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tftp.rs:251:38
[INFO] [stdout]     |
[INFO] [stdout] 251 |    pub fn process_buffer(buf: &[u8], size: usize) -> Command {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/tftp.rs:251:38
[INFO] [stdout]     |
[INFO] [stdout] 251 |    pub fn process_buffer(buf: &[u8], size: usize) -> Command {
[INFO] [stdout]     |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_size`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.66s
[INFO] running `Command { std: "docker" "inspect" "c099da047838d1900ab926c45991e9a9edaf06b4200728317de49be890d4dd37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c099da047838d1900ab926c45991e9a9edaf06b4200728317de49be890d4dd37", kill_on_drop: false }`
[INFO] [stdout] c099da047838d1900ab926c45991e9a9edaf06b4200728317de49be890d4dd37