[INFO] fetching crate rust_is_even 0.1.0... [INFO] testing rust_is_even-0.1.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate rust_is_even 0.1.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate rust_is_even 0.1.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-1/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 67f5a65eaf6eb22e8c1f5cd4020f040dde90260cecc33c0e55af759fe9a523bc [INFO] running `Command { std: "docker" "start" "-a" "67f5a65eaf6eb22e8c1f5cd4020f040dde90260cecc33c0e55af759fe9a523bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "67f5a65eaf6eb22e8c1f5cd4020f040dde90260cecc33c0e55af759fe9a523bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "67f5a65eaf6eb22e8c1f5cd4020f040dde90260cecc33c0e55af759fe9a523bc", kill_on_drop: false }` [INFO] [stdout] 67f5a65eaf6eb22e8c1f5cd4020f040dde90260cecc33c0e55af759fe9a523bc [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a8f12ed60bc5f11d8cbfc5bdcb641e2cf5fcf064eaa5d167a1f6835630d58921 [INFO] running `Command { std: "docker" "start" "-a" "a8f12ed60bc5f11d8cbfc5bdcb641e2cf5fcf064eaa5d167a1f6835630d58921", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.93 [INFO] [stderr] Compiling proc-macro2 v1.0.26 [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 futures-core v0.3.13 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Compiling openssl v0.10.33 [INFO] [stderr] Compiling httparse v1.3.6 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling once_cell v1.7.2 [INFO] [stderr] Compiling futures-sink v0.3.13 [INFO] [stderr] Compiling futures-task v0.3.13 [INFO] [stderr] Compiling encoding_rs v0.8.28 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Compiling tokio v1.4.0 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Compiling http v0.2.4 [INFO] [stderr] Compiling tinyvec v1.2.0 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling tracing v0.1.25 [INFO] [stderr] Compiling futures-channel v0.3.13 [INFO] [stderr] Compiling futures-util v0.3.13 [INFO] [stderr] Compiling unicode-normalization v0.1.17 [INFO] [stderr] Compiling openssl-sys v0.9.61 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling mio v0.7.11 [INFO] [stderr] Compiling socket2 v0.4.0 [INFO] [stderr] Compiling idna v0.2.2 [INFO] [stderr] Compiling native-tls v0.2.7 [INFO] [stderr] Compiling url v2.2.1 [INFO] [stderr] Compiling http-body v0.4.1 [INFO] [stderr] Compiling tokio-util v0.6.5 [INFO] [stderr] Compiling tokio-native-tls v0.3.0 [INFO] [stderr] Compiling h2 v0.3.2 [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_json v1.0.64 [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 39.16s [INFO] running `Command { std: "docker" "inspect" "a8f12ed60bc5f11d8cbfc5bdcb641e2cf5fcf064eaa5d167a1f6835630d58921", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8f12ed60bc5f11d8cbfc5bdcb641e2cf5fcf064eaa5d167a1f6835630d58921", kill_on_drop: false }` [INFO] [stdout] a8f12ed60bc5f11d8cbfc5bdcb641e2cf5fcf064eaa5d167a1f6835630d58921 [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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5141e6e18b61801d55185e88021183f3d47024212803b815b2a9d127443f3d4 [INFO] running `Command { std: "docker" "start" "-a" "d5141e6e18b61801d55185e88021183f3d47024212803b815b2a9d127443f3d4", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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 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` due to 9 previous errors [INFO] running `Command { std: "docker" "inspect" "d5141e6e18b61801d55185e88021183f3d47024212803b815b2a9d127443f3d4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5141e6e18b61801d55185e88021183f3d47024212803b815b2a9d127443f3d4", kill_on_drop: false }` [INFO] [stdout] d5141e6e18b61801d55185e88021183f3d47024212803b815b2a9d127443f3d4