[INFO] fetching crate gauc 0.8.1...
[INFO] testing gauc-0.8.1 against 1.47.0 for beta-1.48-1
[INFO] extracting crate gauc 0.8.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate gauc 0.8.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gauc 0.8.1
[INFO] finished tweaking crates.io crate gauc 0.8.1
[INFO] tweaked toml for crates.io crate gauc 0.8.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 81fd07282c756d27011f5a283d8e1fc093333f534deee6b0848f91783648f0d9
[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" "81fd07282c756d27011f5a283d8e1fc093333f534deee6b0848f91783648f0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "81fd07282c756d27011f5a283d8e1fc093333f534deee6b0848f91783648f0d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81fd07282c756d27011f5a283d8e1fc093333f534deee6b0848f91783648f0d9", kill_on_drop: false }`
[INFO] [stdout] 81fd07282c756d27011f5a283d8e1fc093333f534deee6b0848f91783648f0d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34e69a2c8452a17f2ba4254fd93b7e858c3a4560d07435f918f13b7a08481bc4
[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" "34e69a2c8452a17f2ba4254fd93b7e858c3a4560d07435f918f13b7a08481bc4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling modifier v0.1.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling dtoa v0.2.2
[INFO] [stderr]    Compiling itoa v0.1.1
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling itoa v0.3.4
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[INFO] [stderr]    Compiling itoa v0.4.6
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[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling error v0.1.9
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[INFO] [stderr]    Compiling textwrap v0.11.0
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[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling plugin v0.2.6
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling serde_json v0.8.6
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling conduit-mime-types v0.7.3
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling multipart v0.12.0
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling persistent v0.3.0
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling bodyparser v0.5.0
[INFO] [stderr]    Compiling bodyparser v0.6.0
[INFO] [stderr]    Compiling urlencoded v0.5.0
[INFO] [stderr]    Compiling params v0.7.1
[INFO] [stderr]    Compiling ctrlc v3.1.7
[INFO] [stderr]    Compiling gauc v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[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/client/mod.rs:16:47
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub type OperationResultGetCallback = Box<Box<Fn(&response::Get)>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::Get)`
[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/client/mod.rs:18:55
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub type OperationResultGetInternalCallback = Box<Box<Fn(&response::GetInternal)>>;
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::GetInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:22:50
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub type OperationResultRemoveCallback = Box<Box<Fn(&response::Remove)>>;
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::Remove)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:24:58
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub type OperationResultRemoveInternalCallback = Box<Box<Fn(&response::RemoveInternal)>>;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::RemoveInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:28:49
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub type OperationResultStoreCallback = Box<Box<Fn(&response::Store)>>;
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::Store)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:30:57
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub type OperationResultStoreInternalCallback = Box<Box<Fn(&response::StoreInternal)>>;
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::StoreInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:34:53
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub type OperationResultViewQueryCallback = Box<Box<Fn(&response::ViewQuery)>>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::ViewQuery)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub type OperationResultViewQueryInternalCallback = Box<Box<Fn(&response::ViewQueryInternal)>>;
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::ViewQueryInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/client/mod.rs:37:64
[INFO] [stdout]    |
[INFO] [stdout] 37 | pub type OperationResultViewQueryInternalRowCallback = Box<Box<Fn(&Instance, &u64, *mut c_void)>>;
[INFO] [stdout]    |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Instance, &u64, *mut c_void)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:210:62
[INFO] [stdout]     |
[INFO] [stdout] 210 |             let user_data = Box::into_raw(boxed) as *mut Box<Fn(&response::GetInternal)> as *mut c_void;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::GetInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:274:62
[INFO] [stdout]     |
[INFO] [stdout] 274 |             let user_data = Box::into_raw(boxed) as *mut Box<Fn(&response::RemoveInternal)> as *mut c_void;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::RemoveInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:355:62
[INFO] [stdout]     |
[INFO] [stdout] 355 |             let user_data = Box::into_raw(boxed) as *mut Box<Fn(&response::StoreInternal)> as *mut c_void;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::StoreInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:404:41
[INFO] [stdout]     |
[INFO] [stdout] 404 | ...   let cb: Box<Box<Fn(&response::ViewQueryInternal)>> = Box::from_raw(row.cookie as *mut Box<Fn(&response::ViewQueryInternal)>);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::ViewQueryInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:404:115
[INFO] [stdout]     |
[INFO] [stdout] 404 | ...row.cookie as *mut Box<Fn(&response::ViewQueryInternal)>);
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::ViewQueryInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/client/mod.rs:411:29
[INFO] [stdout]     |
[INFO] [stdout] 411 |             gcmd.cmdflags = (1 << 16);  // LCB_CMDVIEWQUERY_F_INCLUDE_DOCS;
[INFO] [stdout]     |                             ^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:436:62
[INFO] [stdout]     |
[INFO] [stdout] 436 |             let user_data = Box::into_raw(boxed) as *mut Box<Fn(&response::ViewQueryInternal)> as *mut c_void;
[INFO] [stdout]     |                                                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::ViewQueryInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:482:35
[INFO] [stdout]     |
[INFO] [stdout] 482 |             let callback: Box<Box<Fn(&response::GetInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::GetInternal)>);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::GetInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:482:99
[INFO] [stdout]     |
[INFO] [stdout] 482 |             let callback: Box<Box<Fn(&response::GetInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::GetInternal)>);
[INFO] [stdout]     |                                                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::GetInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:491:35
[INFO] [stdout]     |
[INFO] [stdout] 491 |             let callback: Box<Box<Fn(&response::RemoveInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::RemoveInternal)>);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::RemoveInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:491:102
[INFO] [stdout]     |
[INFO] [stdout] 491 |             let callback: Box<Box<Fn(&response::RemoveInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::RemoveInternal)>);
[INFO] [stdout]     |                                                                                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::RemoveInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:499:35
[INFO] [stdout]     |
[INFO] [stdout] 499 |             let callback: Box<Box<Fn(&response::StoreInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::StoreInternal)>);
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::StoreInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/client/mod.rs:499:101
[INFO] [stdout]     |
[INFO] [stdout] 499 |             let callback: Box<Box<Fn(&response::StoreInternal)>> = Box::from_raw(cookie as *mut Box<Fn(&response::StoreInternal)>);
[INFO] [stdout]     |                                                                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&response::StoreInternal)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::AuthType`
[INFO] [stdout]  --> src/couchbase/types/authenticator.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use super::AuthType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::super::funcs::lcbauth_set_mode`
[INFO] [stdout]  --> src/couchbase/types/authenticator.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use super::super::funcs::lcbauth_set_mode;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gauc`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34e69a2c8452a17f2ba4254fd93b7e858c3a4560d07435f918f13b7a08481bc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34e69a2c8452a17f2ba4254fd93b7e858c3a4560d07435f918f13b7a08481bc4", kill_on_drop: false }`
[INFO] [stdout] 34e69a2c8452a17f2ba4254fd93b7e858c3a4560d07435f918f13b7a08481bc4
