[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] d6f63e395bfa0c8b4e7d233b06a45c83aa2d47c61dcbd4b1f6a08ac827d67210
[INFO] running `"docker" "start" "-a" "d6f63e395bfa0c8b4e7d233b06a45c83aa2d47c61dcbd4b1f6a08ac827d67210"`
[INFO] [stderr]    Compiling cc v1.0.4
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling net2 v0.2.31
[INFO] [stderr]    Compiling nix v0.9.0
[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 serde_derive v1.0.27
[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: 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 31.79s
[INFO] running `"docker" "inspect" "d6f63e395bfa0c8b4e7d233b06a45c83aa2d47c61dcbd4b1f6a08ac827d67210"`
[INFO] running `"docker" "rm" "-f" "d6f63e395bfa0c8b4e7d233b06a45c83aa2d47c61dcbd4b1f6a08ac827d67210"`
[INFO] [stdout] d6f63e395bfa0c8b4e7d233b06a45c83aa2d47c61dcbd4b1f6a08ac827d67210
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 8c01e2d41692e00152ef678fdc04b9dc6892b319bcf4e09e22e3ba00813f7307
[INFO] running `"docker" "start" "-a" "8c01e2d41692e00152ef678fdc04b9dc6892b319bcf4e09e22e3ba00813f7307"`
[INFO] [stderr]    Compiling ftp-serveur-may v0.0.1 (/opt/crater/workdir)
[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 1.40s
[INFO] running `"docker" "inspect" "8c01e2d41692e00152ef678fdc04b9dc6892b319bcf4e09e22e3ba00813f7307"`
[INFO] running `"docker" "rm" "-f" "8c01e2d41692e00152ef678fdc04b9dc6892b319bcf4e09e22e3ba00813f7307"`
[INFO] [stdout] 8c01e2d41692e00152ef678fdc04b9dc6892b319bcf4e09e22e3ba00813f7307
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] ca5a21444dfec2e9cfa5bf0bcf492d052976133c6a07baee517282d1c372a84a
[INFO] running `"docker" "start" "-a" "ca5a21444dfec2e9cfa5bf0bcf492d052976133c6a07baee517282d1c372a84a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ftp_serveur_may-e063ab6131693e03
[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" "ca5a21444dfec2e9cfa5bf0bcf492d052976133c6a07baee517282d1c372a84a"`
[INFO] running `"docker" "rm" "-f" "ca5a21444dfec2e9cfa5bf0bcf492d052976133c6a07baee517282d1c372a84a"`
[INFO] [stdout] ca5a21444dfec2e9cfa5bf0bcf492d052976133c6a07baee517282d1c372a84a