[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-1.37-6/sources/1.36.0/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/FTP-rs/ftp-server-may-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of FTP-rs/ftp-server-may-rs on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing FTP-rs/ftp-server-may-rs against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 5fcb015b88f8f2881dd13c22b7f1bf63765b6b4aafb783f71f6556e00d8c735e
[INFO] running `"docker" "start" "-a" "5fcb015b88f8f2881dd13c22b7f1bf63765b6b4aafb783f71f6556e00d8c735e"`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling smallvec v0.4.4
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling toml v0.4.5
[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]    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 25.39s
[INFO] running `"docker" "inspect" "5fcb015b88f8f2881dd13c22b7f1bf63765b6b4aafb783f71f6556e00d8c735e"`
[INFO] running `"docker" "rm" "-f" "5fcb015b88f8f2881dd13c22b7f1bf63765b6b4aafb783f71f6556e00d8c735e"`
[INFO] [stdout] 5fcb015b88f8f2881dd13c22b7f1bf63765b6b4aafb783f71f6556e00d8c735e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 13f1a6ab637e6fc5f974e35ad959d490eb86cf4b532e9d178c444e2588cb8ad6
[INFO] running `"docker" "start" "-a" "13f1a6ab637e6fc5f974e35ad959d490eb86cf4b532e9d178c444e2588cb8ad6"`
[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" "13f1a6ab637e6fc5f974e35ad959d490eb86cf4b532e9d178c444e2588cb8ad6"`
[INFO] running `"docker" "rm" "-f" "13f1a6ab637e6fc5f974e35ad959d490eb86cf4b532e9d178c444e2588cb8ad6"`
[INFO] [stdout] 13f1a6ab637e6fc5f974e35ad959d490eb86cf4b532e9d178c444e2588cb8ad6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] b0b0a4b21bf7cb9ba913d97232feff402a6efb089031235fb0ae6561232692ee
[INFO] running `"docker" "start" "-a" "b0b0a4b21bf7cb9ba913d97232feff402a6efb089031235fb0ae6561232692ee"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ftp_serveur_may-d02229f214194b9f
[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" "b0b0a4b21bf7cb9ba913d97232feff402a6efb089031235fb0ae6561232692ee"`
[INFO] running `"docker" "rm" "-f" "b0b0a4b21bf7cb9ba913d97232feff402a6efb089031235fb0ae6561232692ee"`
[INFO] [stdout] b0b0a4b21bf7cb9ba913d97232feff402a6efb089031235fb0ae6561232692ee