[INFO] fetching crate rust_is_even 0.1.0...
[INFO] building rust_is_even-0.1.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate rust_is_even 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rust_is_even 0.1.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "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-5/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f593edd6de685c668e10c1a513afa1311a301b9625704a72bbd36768f629f8c6
[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" "f593edd6de685c668e10c1a513afa1311a301b9625704a72bbd36768f629f8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f593edd6de685c668e10c1a513afa1311a301b9625704a72bbd36768f629f8c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f593edd6de685c668e10c1a513afa1311a301b9625704a72bbd36768f629f8c6", kill_on_drop: false }`
[INFO] [stdout] f593edd6de685c668e10c1a513afa1311a301b9625704a72bbd36768f629f8c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d8d028c1dfced7831a8d22a71ba80d0b98e865c8492a941694b6257ff80d255
[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" "9d8d028c1dfced7831a8d22a71ba80d0b98e865c8492a941694b6257ff80d255", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling 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 syn v1.0.69
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
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[INFO] [stderr]    Compiling openssl-probe v0.1.2
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[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling tower-service v0.3.1
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[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]    Compiling ipnet v2.3.0
[INFO] [stderr]    Compiling base64 v0.13.0
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[INFO] [stderr]    Compiling tinyvec v1.2.0
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[INFO] [stderr]    Compiling tokio v1.4.0
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[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling http-body v0.4.1
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling tokio-util v0.6.5
[INFO] [stderr]    Compiling h2 v0.3.2
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling pin-project v1.0.6
[INFO] [stderr]    Compiling hyper v0.14.5
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling serde_urlencoded v0.7.0
[INFO] [stderr]    Compiling reqwest v0.11.2
[INFO] [stderr]    Compiling rust_is_even v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.83s
[INFO] running `Command { std: "docker" "inspect" "9d8d028c1dfced7831a8d22a71ba80d0b98e865c8492a941694b6257ff80d255", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d8d028c1dfced7831a8d22a71ba80d0b98e865c8492a941694b6257ff80d255", kill_on_drop: false }`
[INFO] [stdout] 9d8d028c1dfced7831a8d22a71ba80d0b98e865c8492a941694b6257ff80d255
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 67b74a6e671f5ad55395bf97eff5419a4e9676e4495cf4b931c785ce316a27b3
[INFO] running `Command { std: "docker" "start" "-a" "67b74a6e671f5ad55395bf97eff5419a4e9676e4495cf4b931c785ce316a27b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 a macro (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 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 `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 a macro (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 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 `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 a macro (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 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 `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 a macro (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 a macro (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" "67b74a6e671f5ad55395bf97eff5419a4e9676e4495cf4b931c785ce316a27b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67b74a6e671f5ad55395bf97eff5419a4e9676e4495cf4b931c785ce316a27b3", kill_on_drop: false }`
[INFO] [stdout] 67b74a6e671f5ad55395bf97eff5419a4e9676e4495cf4b931c785ce316a27b3
