[INFO] fetching crate kawaii 0.1.0-alpha...
[INFO] checking kawaii-0.1.0-alpha against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate kawaii 0.1.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate kawaii 0.1.0-alpha on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kawaii 0.1.0-alpha
[INFO] finished tweaking crates.io crate kawaii 0.1.0-alpha
[INFO] tweaked toml for crates.io crate kawaii 0.1.0-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded traitobject v0.1.0
[INFO] [stderr]   Downloaded ansi_term v0.10.2
[INFO] [stderr]   Downloaded typemap v0.3.3
[INFO] [stderr]   Downloaded unsafe-any v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b9a452c5db3fc58ea43661a7299322ad3a47e49d985803363222d838b887a79
[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" "3b9a452c5db3fc58ea43661a7299322ad3a47e49d985803363222d838b887a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9a452c5db3fc58ea43661a7299322ad3a47e49d985803363222d838b887a79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9a452c5db3fc58ea43661a7299322ad3a47e49d985803363222d838b887a79", kill_on_drop: false }`
[INFO] [stdout] 3b9a452c5db3fc58ea43661a7299322ad3a47e49d985803363222d838b887a79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64e91557b3db4b3c1a5f667d18f1f257877bce8053ab148713c60dc18680e2ae
[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" "64e91557b3db4b3c1a5f667d18f1f257877bce8053ab148713c60dc18680e2ae", kill_on_drop: false }`
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking kawaii v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/fmt.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 | use config::{Width, Config};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Config`
[INFO] [stdout]   --> src/fmt.rs:18:21
[INFO] [stdout]    |
[INFO] [stdout] 18 | use config::{Width, Config};
[INFO] [stdout]    |                     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `traits::Kawaii`
[INFO] [stdout]   --> src/util.rs:69:6
[INFO] [stdout]    |
[INFO] [stdout] 69 |     use traits::Kawaii;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `f`
[INFO] [stdout]   --> src/fmt.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn indent(f: &mut fmt::Formatter, n: usize) -> fmt::Result {
[INFO] [stdout]    |               ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/fmt.rs:61:36
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn indent(f: &mut fmt::Formatter, n: usize) -> fmt::Result {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Rc<Document>`
[INFO] [stdout]   --> src/util.rs:74:3
[INFO] [stdout]    |
[INFO] [stdout] 74 |         assert_eq!(kawaii::empty(), Rc::new(Document::Empty));
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         Rc<Document>
[INFO] [stdout]    |         Rc<Document>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Rc<Document>`
[INFO] [stdout]   --> src/util.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 79 |           assert_eq!(kawaii::string("foo"),
[INFO] [stdout]    |  _________^
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | |
[INFO] [stdout] 80 | |             Rc::new(Document::String("foo".into())));
[INFO] [stdout]    | |                                                     ^
[INFO] [stdout]    | |_____________________________________________________|
[INFO] [stdout]    | |_____________________________________________________Rc<Document>
[INFO] [stdout]    |                                                       Rc<Document>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `&Rc<Document>: Kawaii` is not satisfied
[INFO] [stdout]   --> src/util.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn concat<K: Kawaii, I: IntoIterator<Item = K>>(values: I) -> Rc<Document> {
[INFO] [stdout]    |                  ------ required by this bound in `util::concat`
[INFO] [stdout] ...
[INFO] [stdout] 85 |         assert_eq!(kawaii::concat(&[kawaii::string("foo"), kawaii::string("bar")]),
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^ the trait `Kawaii` is not implemented for `&Rc<Document>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following implementations were found:
[INFO] [stdout]              <Rc<Document> as Kawaii>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `Rc<Document>`
[INFO] [stdout]   --> src/util.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 |           assert_eq!(kawaii::concat(&[kawaii::string("foo"), kawaii::string("bar")]),
[INFO] [stdout]    |  _________^
[INFO] [stdout]    | |_________|
[INFO] [stdout]    | |
[INFO] [stdout] 86 | |             Rc::new(Document::Cons {
[INFO] [stdout] 87 | |                 left: Rc::new(Document::String("foo".into())),
[INFO] [stdout] 88 | |                 right: Rc::new(Document::String("bar".into())),
[INFO] [stdout] 89 | |             }));
[INFO] [stdout]    | |                ^
[INFO] [stdout]    | |________________|
[INFO] [stdout]    | |________________Rc<Document>
[INFO] [stdout]    |                  Rc<Document>
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0369.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kawaii`.
[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] [stdout] warning: unused imports: `Config`, `Kawaii`, `Style`
[INFO] [stdout]  --> examples/basic.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | use kawaii::{Kawaii, Style, Config};
[INFO] [stdout]   |              ^^^^^^  ^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<{integer}>: Kawaii` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:9:16
[INFO] [stdout]    |
[INFO] [stdout] 9  |     kawaii::print(vec![1, 2, 3]);
[INFO] [stdout]    |                   ^^^^^^^^^^^^^ the trait `Kawaii` is not implemented for `Vec<{integer}>`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn print<T: Kawaii>(value: T) {
[INFO] [stdout]    |                 ------ required by this bound in `print`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Foo: Kawaii` is not satisfied
[INFO] [stdout]   --> examples/basic.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     kawaii::print(Foo);
[INFO] [stdout]    |                   ^^^ the trait `Kawaii` is not implemented for `Foo`
[INFO] [stdout]    | 
[INFO] [stdout]   ::: /opt/rustwide/workdir/src/lib.rs:39:17
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub fn print<T: Kawaii>(value: T) {
[INFO] [stdout]    |                 ------ required by this bound in `print`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "64e91557b3db4b3c1a5f667d18f1f257877bce8053ab148713c60dc18680e2ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64e91557b3db4b3c1a5f667d18f1f257877bce8053ab148713c60dc18680e2ae", kill_on_drop: false }`
[INFO] [stdout] 64e91557b3db4b3c1a5f667d18f1f257877bce8053ab148713c60dc18680e2ae
