[INFO] updating cached repository https://github.com/mailgun/sneakercopy
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3b2c2bf4c388b88c5dcc871b09ee3d06f9a0c6fe
[INFO] testing mailgun/sneakercopy against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmailgun%2Fsneakercopy" "work/builds/worker-2/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mailgun/sneakercopy on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mailgun/sneakercopy
[INFO] finished tweaking git repo https://github.com/mailgun/sneakercopy
[INFO] tweaked toml for git repo https://github.com/mailgun/sneakercopy written to work/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/mailgun/sneakercopy already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 26ca582426abb47bc2acca65c50fcfb942ffd58cc6508a6b5b2aa9ed1806ccf8
[INFO] running `"docker" "start" "-a" "26ca582426abb47bc2acca65c50fcfb942ffd58cc6508a6b5b2aa9ed1806ccf8"`
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling strum v0.8.0
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling rpassword v2.0.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling strum_macros v0.8.0
[INFO] [stderr]    Compiling libflate v0.1.16
[INFO] [stderr]    Compiling error-chain v0.12.0
[INFO] [stderr]    Compiling spinner v0.4.0
[INFO] [stderr]    Compiling tar v0.4.16
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling spinners v1.0.0
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling structopt v0.2.10
[INFO] [stderr]    Compiling clap-verbosity-flag v0.1.0
[INFO] [stderr]    Compiling quicli v0.3.0
[INFO] [stderr]    Compiling libsodium-sys v0.1.0
[INFO] [stderr]    Compiling sodiumoxide v0.1.0
[INFO] [stderr]    Compiling sneakercopy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(int_to_from_bytes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     links {
[INFO] [stderr] 3  | |         Tarbox(::tarbox::errors::Error, ::tarbox::errors::ErrorKind);
[INFO] [stderr] 4  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     links {
[INFO] [stderr] 3  | |         Tarbox(::tarbox::errors::Error, ::tarbox::errors::ErrorKind);
[INFO] [stderr] 4  | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 26 | |     }
[INFO] [stderr] 27 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/tarbox/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |     foreign_links {
[INFO] [stderr] 3  | |         Base64DecodeError(::base64::DecodeError);
[INFO] [stderr] 4  | |         Io(::std::io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 32 | |     }
[INFO] [stderr] 33 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `sneakercopy`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "26ca582426abb47bc2acca65c50fcfb942ffd58cc6508a6b5b2aa9ed1806ccf8"`
[INFO] running `"docker" "rm" "-f" "26ca582426abb47bc2acca65c50fcfb942ffd58cc6508a6b5b2aa9ed1806ccf8"`
[INFO] [stdout] 26ca582426abb47bc2acca65c50fcfb942ffd58cc6508a6b5b2aa9ed1806ccf8