[INFO] cloning repository https://github.com/museun/shaken
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/museun/shaken" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bbb6b6aea60d22f87c5c601105959bde5e859d5
[INFO] checking museun/shaken against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmuseun%2Fshaken" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/museun/shaken on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/museun/shaken
[INFO] finished tweaking git repo https://github.com/museun/shaken
[INFO] tweaked toml for git repo https://github.com/museun/shaken written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/museun/shaken already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inventory v0.1.3
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded tiny_http v0.6.2
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded inventory-impl v0.1.3
[INFO] [stderr]   Downloaded ascii v0.9.1
[INFO] [stderr]   Downloaded bincode v1.1.3
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded chunked_transfer v1.0.0
[INFO] [stderr]   Downloaded ctor v0.1.8
[INFO] [stderr]   Downloaded ureq v0.9.1
[INFO] [stderr]   Downloaded hashbrown v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1f1e4056eafd59a774838c4fc5a92a7f9e64da07c9d8b9f8f370e458e63bdd2
[INFO] running `Command { std: "docker" "start" "-a" "b1f1e4056eafd59a774838c4fc5a92a7f9e64da07c9d8b9f8f370e458e63bdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1f1e4056eafd59a774838c4fc5a92a7f9e64da07c9d8b9f8f370e458e63bdd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1f1e4056eafd59a774838c4fc5a92a7f9e64da07c9d8b9f8f370e458e63bdd2", kill_on_drop: false }`
[INFO] [stdout] b1f1e4056eafd59a774838c4fc5a92a7f9e64da07c9d8b9f8f370e458e63bdd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 675fd80f3146c500e89cede42bb751e76b6a39e42a2bf6548895ac40689ebb67
[INFO] running `Command { std: "docker" "start" "-a" "675fd80f3146c500e89cede42bb751e76b6a39e42a2bf6548895ac40689ebb67", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking qstring v0.6.0
[INFO] [stderr]     Checking ascii v0.9.1
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking fallible-streaming-iterator v0.1.9
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking ascii v0.8.7
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking chunked_transfer v0.3.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]    Compiling shaken v0.1.0 (/opt/rustwide/workdir/shaken)
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking directories v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking heck v0.3.1
[INFO] [stderr]    Compiling bincode v1.1.3
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.13.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking simplelog v0.5.3
[INFO] [stderr]     Checking once_cell v0.1.8
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking tiny_http v0.6.2
[INFO] [stderr]     Checking webpki v0.19.1
[INFO] [stderr]     Checking sct v0.5.0
[INFO] [stderr]     Checking webpki-roots v0.16.0
[INFO] [stderr]     Checking rustls v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling ctor v0.1.8
[INFO] [stderr]    Compiling ghost v0.1.0
[INFO] [stderr]    Compiling inventory-impl v0.1.3
[INFO] [stderr]     Checking ureq v0.9.1
[INFO] [stderr]     Checking inventory v0.1.3
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking hashbrown v0.2.0
[INFO] [stderr]     Checking rusqlite v0.17.0
[INFO] [stderr]     Checking dono v0.1.0 (/opt/rustwide/workdir/dono)
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> dono/src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::local::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ the name `Song` in the type namespace is first re-exported here
[INFO] [stdout] 11 | pub use self::server::*;
[INFO] [stdout] 12 | pub use self::youtube::*;
[INFO] [stdout]    |         ---------------- but the name `Song` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> dono/src/lib.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub use self::local::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ the name `Song` in the type namespace is first re-exported here
[INFO] [stdout] 11 | pub use self::server::*;
[INFO] [stdout] 12 | pub use self::youtube::*;
[INFO] [stdout]    |         ---------------- but the name `Song` in the type namespace is also re-exported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]    --> shaken/src/util.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use log::*;
[INFO] [stdout]     |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |     use simplelog::LevelFilter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> shaken/src/modules/mod.rs:5:21
[INFO] [stdout]    |
[INFO] [stdout] 5  |               pub use self::$m::*;
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the name `NAME` in the value namespace is first re-exported here
[INFO] [stdout]    |                       but the name `NAME` in the value namespace is also re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 14 | / export!(
[INFO] [stdout] 15 | |     builtin,     //
[INFO] [stdout] 16 | |     shakespeare, //
[INFO] [stdout] 17 | |     invest,      //
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     rust         //
[INFO] [stdout] 21 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `LevelFilter` is imported redundantly
[INFO] [stdout]    --> shaken/src/util.rs:173:9
[INFO] [stdout]     |
[INFO] [stdout] 1   | use log::*;
[INFO] [stdout]     |     ------ the item `LevelFilter` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 173 |     use simplelog::LevelFilter;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: ambiguous glob re-exports
[INFO] [stdout]   --> shaken/src/modules/mod.rs:5:21
[INFO] [stdout]    |
[INFO] [stdout] 5  |               pub use self::$m::*;
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       the name `NAME` in the value namespace is first re-exported here
[INFO] [stdout]    |                       but the name `NAME` in the value namespace is also re-exported here
[INFO] [stdout] ...
[INFO] [stdout] 14 | / export!(
[INFO] [stdout] 15 | |     builtin,     //
[INFO] [stdout] 16 | |     shakespeare, //
[INFO] [stdout] 17 | |     invest,      //
[INFO] [stdout] ...  |
[INFO] [stdout] 20 | |     rust         //
[INFO] [stdout] 21 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(ambiguous_glob_reexports)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `export` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/template.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::mem::replace(&mut self, this);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let _ = std::mem::replace(&mut self, this);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:201:29
[INFO] [stdout]     |
[INFO] [stdout] 201 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 201 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:276:29
[INFO] [stdout]     |
[INFO] [stdout] 276 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/shakespeare.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |         require_privileges!(&req);
[INFO] [stdout]    |                             ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |         require_privileges!(let _ = &req;);
[INFO] [stdout]    |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |         require_broadcaster!(&req, "You cannot do that.");
[INFO] [stdout]    |                              ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         require_broadcaster!(let _ = &req;, "You cannot do that.");
[INFO] [stdout]    |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |         require_broadcaster!(&req);
[INFO] [stdout]    |                              ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         require_broadcaster!(let _ = &req;);
[INFO] [stdout]    |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |         require_broadcaster!(&req);
[INFO] [stdout]     |                              ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         require_broadcaster!(let _ = &req;);
[INFO] [stdout]     |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/template.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |             std::mem::replace(&mut self, this);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 105 |             let _ = std::mem::replace(&mut self, this);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking brain v0.1.0 (/opt/rustwide/workdir/brain)
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:61:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |         std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 61 |         let _ = std::mem::replace(&mut self.help, Some(help.to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/registry.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let _ = std::mem::replace(&mut self.namespace, Some(namespace.to_string()));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:139:29
[INFO] [stdout]     |
[INFO] [stdout] 139 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 139 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:201:29
[INFO] [stdout]     |
[INFO] [stdout] 201 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 201 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:244:29
[INFO] [stdout]     |
[INFO] [stdout] 244 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 244 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/builtin.rs:276:29
[INFO] [stdout]     |
[INFO] [stdout] 276 |         require_privileges!(&req, "you cannot do that");
[INFO] [stdout]     |                             ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 276 |         require_privileges!(let _ = &req;, "you cannot do that");
[INFO] [stdout]     |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/shakespeare.rs:90:29
[INFO] [stdout]    |
[INFO] [stdout] 90 |         require_privileges!(&req);
[INFO] [stdout]    |                             ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |         require_privileges!(let _ = &req;);
[INFO] [stdout]    |                             +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |         require_broadcaster!(&req, "You cannot do that.");
[INFO] [stdout]    |                              ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |         require_broadcaster!(let _ = &req;, "You cannot do that.");
[INFO] [stdout]    |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let _ = std::mem::replace(&mut self.poll, Some(poll));
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> shaken/src/modules/twitchpoll.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |         require_broadcaster!(&req);
[INFO] [stdout]    |                              ^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 96 |         require_broadcaster!(let _ = &req;);
[INFO] [stdout]    |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |         std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: if you don't need the old value, you can just assign the new value directly
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 116 |         let _ = std::mem::replace(&mut self.start, Some(Instant::now()));
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> shaken/src/modules/twitchpoll.rs:121:30
[INFO] [stdout]     |
[INFO] [stdout] 121 |         require_broadcaster!(&req);
[INFO] [stdout]     |                              ^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 121 |         require_broadcaster!(let _ = &req;);
[INFO] [stdout]     |                              +++++++     +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> brain/src/markov.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> brain/src/markov.rs:72:10
[INFO] [stdout]    |
[INFO] [stdout] 72 |         };
[INFO] [stdout]    |          ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.06s
[INFO] running `Command { std: "docker" "inspect" "675fd80f3146c500e89cede42bb751e76b6a39e42a2bf6548895ac40689ebb67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "675fd80f3146c500e89cede42bb751e76b6a39e42a2bf6548895ac40689ebb67", kill_on_drop: false }`
[INFO] [stdout] 675fd80f3146c500e89cede42bb751e76b6a39e42a2bf6548895ac40689ebb67
