[INFO] cloning repository https://github.com/eutampieri/filedrop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eutampieri/filedrop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Ffiledrop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Ffiledrop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a9a562d639e71a51a5a031455bb9788a9b6cb857
[INFO] checking eutampieri/filedrop against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feutampieri%2Ffiledrop" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/eutampieri/filedrop on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/eutampieri/filedrop
[INFO] finished tweaking git repo https://github.com/eutampieri/filedrop
[INFO] tweaked toml for git repo https://github.com/eutampieri/filedrop written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/eutampieri/filedrop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e86c438898733655a384422ada329ca91e1b8494d246b3c13705f8f1034d3e40
[INFO] running `Command { std: "docker" "start" "-a" "e86c438898733655a384422ada329ca91e1b8494d246b3c13705f8f1034d3e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e86c438898733655a384422ada329ca91e1b8494d246b3c13705f8f1034d3e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e86c438898733655a384422ada329ca91e1b8494d246b3c13705f8f1034d3e40", kill_on_drop: false }`
[INFO] [stdout] e86c438898733655a384422ada329ca91e1b8494d246b3c13705f8f1034d3e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e65dc52ab6fd834a4b687208345d799cdbba55950b07ace3890993e683f1eee8
[INFO] running `Command { std: "docker" "start" "-a" "e65dc52ab6fd834a4b687208345d799cdbba55950b07ace3890993e683f1eee8", kill_on_drop: false }`
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[INFO] [stderr]    Compiling libc v0.2.81
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[INFO] [stderr]     Checking filedrop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `with_cnt`
[INFO] [stdout]   --> src/file_encoding.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn with_cnt(cnt: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cnt`
[INFO] [stdout]   --> src/file_encoding.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `with_cnt`
[INFO] [stdout]   --> src/file_encoding.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn with_cnt(cnt: usize) -> Self {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_cnt`
[INFO] [stdout]   --> src/file_encoding.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn get_cnt(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 48.91s
[INFO] running `Command { std: "docker" "inspect" "e65dc52ab6fd834a4b687208345d799cdbba55950b07ace3890993e683f1eee8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e65dc52ab6fd834a4b687208345d799cdbba55950b07ace3890993e683f1eee8", kill_on_drop: false }`
[INFO] [stdout] e65dc52ab6fd834a4b687208345d799cdbba55950b07ace3890993e683f1eee8