[INFO] cloning repository https://github.com/FTP-rs/ftp-server-may-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FTP-rs/ftp-server-may-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] checking FTP-rs/ftp-server-may-rs against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFTP-rs%2Fftp-server-may-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FTP-rs/ftp-server-may-rs on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FTP-rs/ftp-server-may-rs
[INFO] finished tweaking git repo https://github.com/FTP-rs/ftp-server-may-rs
[INFO] tweaked toml for git repo https://github.com/FTP-rs/ftp-server-may-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/FTP-rs/ftp-server-may-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7d14b127033fc99f35cf8f7aa023f5c175e72797d0d854b950ad82767cdf8bac
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7d14b127033fc99f35cf8f7aa023f5c175e72797d0d854b950ad82767cdf8bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7d14b127033fc99f35cf8f7aa023f5c175e72797d0d854b950ad82767cdf8bac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d14b127033fc99f35cf8f7aa023f5c175e72797d0d854b950ad82767cdf8bac", kill_on_drop: false }`
[INFO] [stdout] 7d14b127033fc99f35cf8f7aa023f5c175e72797d0d854b950ad82767cdf8bac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b057847019862e8db2254de3f7a8ac2e5106bf92cf64e87e4f8b3807e0ab61a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b057847019862e8db2254de3f7a8ac2e5106bf92cf64e87e4f8b3807e0ab61a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking smallvec v0.6.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling may_queue v0.1.1
[INFO] [stderr]    Compiling may v0.2.0
[INFO] [stderr]    Compiling generator v0.6.5
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking ftp-serveur-may v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let cause: &error::Error =
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:48:32
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:49:21
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let cause: &error::Error =
[INFO] [stdout]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |             FromUtf8(ref error) => error.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Io(ref error) => error.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Utf8(ref error) => error.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:41:42
[INFO] [stdout]    |
[INFO] [stdout] 41 |             FromUtf8(ref error) => error.description(),
[INFO] [stdout]    |                                          ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:42:36
[INFO] [stdout]    |
[INFO] [stdout] 42 |             Io(ref error) => error.description(),
[INFO] [stdout]    |                                    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:43:38
[INFO] [stdout]    |
[INFO] [stdout] 43 |             Utf8(ref error) => error.description(),
[INFO] [stdout]    |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_io_error`
[INFO] [stdout]   --> src/error.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn to_io_error(self) -> io::Error {
[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: `to_io_error`
[INFO] [stdout]   --> src/error.rs:19:12
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn to_io_error(self) -> io::Error {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.23s
[INFO] running `Command { std: "docker" "inspect" "4b057847019862e8db2254de3f7a8ac2e5106bf92cf64e87e4f8b3807e0ab61a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b057847019862e8db2254de3f7a8ac2e5106bf92cf64e87e4f8b3807e0ab61a", kill_on_drop: false }`
[INFO] [stdout] 4b057847019862e8db2254de3f7a8ac2e5106bf92cf64e87e4f8b3807e0ab61a