[INFO] cloning repository https://github.com/Cadanza/ftpserver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cadanza/ftpserver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCadanza%2Fftpserver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCadanza%2Fftpserver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 520287457527f400467c76174b15ccd1223c2c6a
[INFO] checking Cadanza/ftpserver against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCadanza%2Fftpserver" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cadanza/ftpserver on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cadanza/ftpserver
[INFO] finished tweaking git repo https://github.com/Cadanza/ftpserver
[INFO] tweaked toml for git repo https://github.com/Cadanza/ftpserver written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/Cadanza/ftpserver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bcf6a51c6f20e07c199b9d836bb21df3f650edac18b5796be26519fd66668412
[INFO] running `Command { std: "docker" "start" "-a" "bcf6a51c6f20e07c199b9d836bb21df3f650edac18b5796be26519fd66668412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcf6a51c6f20e07c199b9d836bb21df3f650edac18b5796be26519fd66668412", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcf6a51c6f20e07c199b9d836bb21df3f650edac18b5796be26519fd66668412", kill_on_drop: false }`
[INFO] [stdout] bcf6a51c6f20e07c199b9d836bb21df3f650edac18b5796be26519fd66668412
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d22c4c333cf93f8b2127b82e23e31b3972ec0634fca689bc893d19151160091
[INFO] running `Command { std: "docker" "start" "-a" "3d22c4c333cf93f8b2127b82e23e31b3972ec0634fca689bc893d19151160091", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking simple-logging v2.0.2
[INFO] [stderr]     Checking ctrlc v3.1.7
[INFO] [stderr]     Checking ftpserver v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: field is never read: `passiv_listener`
[INFO] [stdout]   --> src/./FtpHandler.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         passiv_listener : Option<TcpListener>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `passiv_listener`
[INFO] [stdout]   --> src/./FtpHandler.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         passiv_listener : Option<TcpListener>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.83s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking ftpserver v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: field is never read: `passiv_listener`
[INFO] [stdout]   --> src/./FtpHandler.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         passiv_listener : Option<TcpListener>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `passiv_listener`
[INFO] [stdout]   --> src/./FtpHandler.rs:30:9
[INFO] [stdout]    |
[INFO] [stdout] 30 |         passiv_listener : Option<TcpListener>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 14.05s
[INFO] running `Command { std: "docker" "inspect" "3d22c4c333cf93f8b2127b82e23e31b3972ec0634fca689bc893d19151160091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d22c4c333cf93f8b2127b82e23e31b3972ec0634fca689bc893d19151160091", kill_on_drop: false }`
[INFO] [stdout] 3d22c4c333cf93f8b2127b82e23e31b3972ec0634fca689bc893d19151160091