[INFO] updating cached repository FTP-rs/ftp-server-may-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/FTP-rs/ftp-server-may-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/FTP-rs/ftp-server-may-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/FTP-rs/ftp-server-may-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FTP-rs/ftp-server-may-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] sha for GitHub repo FTP-rs/ftp-server-may-rs: 65c3cd64ccbf22f5f230801ef3bc02102b027b96
[INFO] validating manifest of FTP-rs/ftp-server-may-rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FTP-rs/ftp-server-may-rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing FTP-rs/ftp-server-may-rs
[INFO] finished frobbing FTP-rs/ftp-server-may-rs
[INFO] frobbed toml for FTP-rs/ftp-server-may-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs/Cargo.toml
[INFO] started frobbing FTP-rs/ftp-server-may-rs
[INFO] finished frobbing FTP-rs/ftp-server-may-rs
[INFO] frobbed toml for FTP-rs/ftp-server-may-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/FTP-rs/ftp-server-may-rs/Cargo.toml
[INFO] crate FTP-rs/ftp-server-may-rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FTP-rs/ftp-server-may-rs against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] c96e3206e8971951fd6c74f10b746810f5727f8302b1adf8056dc39e746d28cc
[INFO] running `"docker" "start" "-a" "c96e3206e8971951fd6c74f10b746810f5727f8302b1adf8056dc39e746d28cc"`
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling crossbeam v0.3.2
[INFO] [stderr]    Compiling smallvec v0.6.0
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling rustc_version v0.2.1
[INFO] [stderr]    Compiling may_queue v0.1.1
[INFO] [stderr]    Compiling generator v0.6.5
[INFO] [stderr]    Compiling may v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling ftp-serveur-may v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let cause: &error::Error =
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_io_error`
[INFO] [stderr]   --> src/error.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn to_io_error(self) -> io::Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.79s
[INFO] running `"docker" "inspect" "c96e3206e8971951fd6c74f10b746810f5727f8302b1adf8056dc39e746d28cc"`
[INFO] running `"docker" "rm" "-f" "c96e3206e8971951fd6c74f10b746810f5727f8302b1adf8056dc39e746d28cc"`
[INFO] [stdout] c96e3206e8971951fd6c74f10b746810f5727f8302b1adf8056dc39e746d28cc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] af5cb4f5e8f63d491c882f45e3d3436d81d0f5becc3a21c9e791105cc4b44114
[INFO] running `"docker" "start" "-a" "af5cb4f5e8f63d491c882f45e3d3436d81d0f5becc3a21c9e791105cc4b44114"`
[INFO] [stderr]    Compiling ftp-serveur-may v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:48:32
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:49:21
[INFO] [stderr]    |
[INFO] [stderr] 49 |         let cause: &error::Error =
[INFO] [stderr]    |                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `to_io_error`
[INFO] [stderr]   --> src/error.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn to_io_error(self) -> io::Error {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "af5cb4f5e8f63d491c882f45e3d3436d81d0f5becc3a21c9e791105cc4b44114"`
[INFO] running `"docker" "rm" "-f" "af5cb4f5e8f63d491c882f45e3d3436d81d0f5becc3a21c9e791105cc4b44114"`
[INFO] [stdout] af5cb4f5e8f63d491c882f45e3d3436d81d0f5becc3a21c9e791105cc4b44114
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/FTP-rs/ftp-server-may-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 1601f43d933a843a9ff6e2d5369795f7c6ed5e6aed106d3cd9f0991d61eb0fab
[INFO] running `"docker" "start" "-a" "1601f43d933a843a9ff6e2d5369795f7c6ed5e6aed106d3cd9f0991d61eb0fab"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ftp_serveur_may-9879b14a60cc10f2
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "1601f43d933a843a9ff6e2d5369795f7c6ed5e6aed106d3cd9f0991d61eb0fab"`
[INFO] running `"docker" "rm" "-f" "1601f43d933a843a9ff6e2d5369795f7c6ed5e6aed106d3cd9f0991d61eb0fab"`
[INFO] [stdout] 1601f43d933a843a9ff6e2d5369795f7c6ed5e6aed106d3cd9f0991d61eb0fab