[INFO] fetching crate rapid 0.0.1...
[INFO] testing rapid-0.0.1 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate rapid 0.0.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rapid 0.0.1 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rapid 0.0.1
[INFO] finished tweaking crates.io crate rapid 0.0.1
[INFO] tweaked toml for crates.io crate rapid 0.0.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder_core v0.2.0
[INFO] [stderr]   Downloaded docopt v0.8.3
[INFO] [stderr]   Downloaded derive_builder v0.5.1
[INFO] [stderr]   Downloaded test-case-derive v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f8a0343870760f039d0cfd27414d585206bcbd8ade2777d4f848ab2746b15f7
[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" "6f8a0343870760f039d0cfd27414d585206bcbd8ade2777d4f848ab2746b15f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f8a0343870760f039d0cfd27414d585206bcbd8ade2777d4f848ab2746b15f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f8a0343870760f039d0cfd27414d585206bcbd8ade2777d4f848ab2746b15f7", kill_on_drop: false }`
[INFO] [stdout] 6f8a0343870760f039d0cfd27414d585206bcbd8ade2777d4f848ab2746b15f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a5881e88cbede0729e247f0deb4257d70eb02a46995e6c64d98b88631dfde7e
[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" "5a5881e88cbede0729e247f0deb4257d70eb02a46995e6c64d98b88631dfde7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.17
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling slog-term v2.6.0
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling rapid v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use(slog_o, slog_kv)]
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         (self as &::failure::Fail).traverse(action)
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[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/errors/fail_methods.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (self as &::failure::Fail).log_error()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (self as &::failure::Fail).log_warning()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (self as &::failure::Fail).stringify()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl FailMethods for ::failure::Fail {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 43 | /         traverse_err! {
[INFO] [stdout] 44 | |             self,
[INFO] [stdout] 45 | |             |failure| action(format!("{}", failure)),
[INFO] [stdout] 46 | |             |failure| action(format!("  caused by: {}",failure))
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 51 | /         traverse_err! {
[INFO] [stdout] 52 | |             self,
[INFO] [stdout] 53 | |             |failure| error!("{}", failure),
[INFO] [stdout] 54 | |             |failure| error!("  caused by: {}",failure)
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 59 | /         traverse_err! {
[INFO] [stdout] 60 | |             self,
[INFO] [stdout] 61 | |             |failure| warn!("{}", failure),
[INFO] [stdout] 62 | |             |failure| warn!("  caused by: {}",failure)
[INFO] [stdout] 63 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.cause().traverse(action)
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |         self.cause().log_error()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         self.cause().log_warning()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |         self.cause().stringify()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "5a5881e88cbede0729e247f0deb4257d70eb02a46995e6c64d98b88631dfde7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a5881e88cbede0729e247f0deb4257d70eb02a46995e6c64d98b88631dfde7e", kill_on_drop: false }`
[INFO] [stdout] 5a5881e88cbede0729e247f0deb4257d70eb02a46995e6c64d98b88631dfde7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8800549a990bf60d3bb1a3981871fd25fead8b40fba21c112d629ed6b713c2ca
[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" "8800549a990bf60d3bb1a3981871fd25fead8b40fba21c112d629ed6b713c2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-case-derive v0.1.5
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:21
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use(slog_o, slog_kv)]
[INFO] [stdout]   |                     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |         (self as &::failure::Fail).traverse(action)
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[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/errors/fail_methods.rs:29:19
[INFO] [stdout]    |
[INFO] [stdout] 29 |         (self as &::failure::Fail).log_error()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:33:19
[INFO] [stdout]    |
[INFO] [stdout] 33 |         (self as &::failure::Fail).log_warning()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:37:19
[INFO] [stdout]    |
[INFO] [stdout] 37 |         (self as &::failure::Fail).stringify()
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:41:22
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl FailMethods for ::failure::Fail {
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 43 | /         traverse_err! {
[INFO] [stdout] 44 | |             self,
[INFO] [stdout] 45 | |             |failure| action(format!("{}", failure)),
[INFO] [stdout] 46 | |             |failure| action(format!("  caused by: {}",failure))
[INFO] [stdout] 47 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 51 | /         traverse_err! {
[INFO] [stdout] 52 | |             self,
[INFO] [stdout] 53 | |             |failure| error!("{}", failure),
[INFO] [stdout] 54 | |             |failure| error!("  caused by: {}",failure)
[INFO] [stdout] 55 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/errors/fail_methods.rs:5:25
[INFO] [stdout]    |
[INFO] [stdout] 5  |           let mut cause: &::failure::Fail = $error;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::failure::Fail)`
[INFO] [stdout] ...
[INFO] [stdout] 59 | /         traverse_err! {
[INFO] [stdout] 60 | |             self,
[INFO] [stdout] 61 | |             |failure| warn!("{}", failure),
[INFO] [stdout] 62 | |             |failure| warn!("  caused by: {}",failure)
[INFO] [stdout] 63 | |         }
[INFO] [stdout]    | |_________- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:84:14
[INFO] [stdout]    |
[INFO] [stdout] 84 |         self.cause().traverse(action)
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:88:14
[INFO] [stdout]    |
[INFO] [stdout] 88 |         self.cause().log_error()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:92:14
[INFO] [stdout]    |
[INFO] [stdout] 92 |         self.cause().log_warning()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `failure::Error::cause`: please use 'as_fail()' method instead
[INFO] [stdout]   --> src/errors/fail_methods.rs:96:14
[INFO] [stdout]    |
[INFO] [stdout] 96 |         self.cause().stringify()
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/test-case-derive-0.1.5/src/lib.rs:182:1
[INFO] [stdout]     |
[INFO] [stdout] 182 | #![feature(proc_macro)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test-case-derive`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "8800549a990bf60d3bb1a3981871fd25fead8b40fba21c112d629ed6b713c2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8800549a990bf60d3bb1a3981871fd25fead8b40fba21c112d629ed6b713c2ca", kill_on_drop: false }`
[INFO] [stdout] 8800549a990bf60d3bb1a3981871fd25fead8b40fba21c112d629ed6b713c2ca
