[INFO] fetching crate rust_is_even 0.1.0... [INFO] checking rust_is_even-0.1.0 against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] extracting crate rust_is_even 0.1.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate rust_is_even 0.1.0 on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rust_is_even 0.1.0 [INFO] finished tweaking crates.io crate rust_is_even 0.1.0 [INFO] tweaked toml for crates.io crate rust_is_even 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate crates.io crate rust_is_even 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b91eb0c9cc4d2f9c136373a189eeca9c1b455513f3d1194516019fd5ff341cb4 [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" "b91eb0c9cc4d2f9c136373a189eeca9c1b455513f3d1194516019fd5ff341cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b91eb0c9cc4d2f9c136373a189eeca9c1b455513f3d1194516019fd5ff341cb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b91eb0c9cc4d2f9c136373a189eeca9c1b455513f3d1194516019fd5ff341cb4", kill_on_drop: false }` [INFO] [stdout] b91eb0c9cc4d2f9c136373a189eeca9c1b455513f3d1194516019fd5ff341cb4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f1f6bf070ebe8fdd21cdd128a51a4481de5510bffd0f21d95296dbde2b1d97fa [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" "f1f6bf070ebe8fdd21cdd128a51a4481de5510bffd0f21d95296dbde2b1d97fa", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling syn v1.0.69 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking matches v0.1.8 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling httparse v1.3.6 [INFO] [stderr] Checking futures-sink v0.3.13 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Checking futures-task v0.3.13 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking percent-encoding v2.1.0 [INFO] [stderr] Checking openssl-probe v0.1.2 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking httpdate v0.3.2 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking ipnet v2.3.0 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking futures-channel v0.3.13 [INFO] [stderr] Checking unicode-bidi v0.3.5 [INFO] [stderr] Checking encoding_rs v0.8.28 [INFO] [stderr] Checking tracing-core v0.1.17 [INFO] [stderr] Checking http v0.2.4 [INFO] [stderr] Checking futures-util v0.3.13 [INFO] [stderr] Checking tinyvec v1.2.0 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking form_urlencoded v1.0.1 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking tracing v0.1.25 [INFO] [stderr] Checking unicode-normalization v0.1.17 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking mio v0.7.11 [INFO] [stderr] Checking socket2 v0.4.0 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Checking http-body v0.4.1 [INFO] [stderr] Checking idna v0.2.2 [INFO] [stderr] Checking url v2.2.1 [INFO] [stderr] Checking tokio-util v0.6.5 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking h2 v0.3.2 [INFO] [stderr] Compiling pin-project-internal v1.0.6 [INFO] [stderr] Checking pin-project v1.0.6 [INFO] [stderr] Checking hyper v0.14.5 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking serde_json v1.0.64 [INFO] [stderr] Checking serde_urlencoded v0.7.0 [INFO] [stderr] Checking reqwest v0.11.2 [INFO] [stderr] Checking rust_is_even v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0369]: binary operation `==` cannot be applied to type `impl Future` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | assert_eq!(is_even(1), false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | impl Future [INFO] [stdout] | bool [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `impl Future` doesn't implement `Debug` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | assert_eq!(is_even(1), false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Future` cannot be formatted using `{:?}` because it doesn't implement `Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `impl Future` [INFO] [stdout] = note: this error originates in the macro `assert_eq` (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 `impl Future` [INFO] [stdout] --> src/lib.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | assert_eq!(is_even(2), true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | impl Future [INFO] [stdout] | bool [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `impl Future` doesn't implement `Debug` [INFO] [stdout] --> src/lib.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | assert_eq!(is_even(2), true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Future` cannot be formatted using `{:?}` because it doesn't implement `Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `impl Future` [INFO] [stdout] = note: this error originates in the macro `assert_eq` (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 `impl Future` [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | assert_eq!(is_even(42), true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | impl Future [INFO] [stdout] | bool [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `impl Future` doesn't implement `Debug` [INFO] [stdout] --> src/lib.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | assert_eq!(is_even(42), true); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Future` cannot be formatted using `{:?}` because it doesn't implement `Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `impl Future` [INFO] [stdout] = note: this error originates in the macro `assert_eq` (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 `impl Future` [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | assert_eq!(is_even(43), false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | impl Future [INFO] [stdout] | bool [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0277]: `impl Future` doesn't implement `Debug` [INFO] [stdout] --> src/lib.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | assert_eq!(is_even(43), false); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `impl Future` cannot be formatted using `{:?}` because it doesn't implement `Debug` [INFO] [stdout] | [INFO] [stdout] = help: the trait `Debug` is not implemented for `impl Future` [INFO] [stdout] = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 8 previous errors [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 `rust_is_even` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "f1f6bf070ebe8fdd21cdd128a51a4481de5510bffd0f21d95296dbde2b1d97fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f1f6bf070ebe8fdd21cdd128a51a4481de5510bffd0f21d95296dbde2b1d97fa", kill_on_drop: false }` [INFO] [stdout] f1f6bf070ebe8fdd21cdd128a51a4481de5510bffd0f21d95296dbde2b1d97fa