[INFO] cloning repository https://github.com/pedromfedricci/playground [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedromfedricci/playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 04803bcf659c98c46e7b614ae6a4fc674919cbd2 [INFO] checking pedromfedricci/playground against master#24606deaf48e56f604a6125fa11fb9f70cf4f1f4 for pr-105085 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedromfedricci%2Fplayground" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pedromfedricci/playground on toolchain 24606deaf48e56f604a6125fa11fb9f70cf4f1f4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pedromfedricci/playground [INFO] finished tweaking git repo https://github.com/pedromfedricci/playground [INFO] tweaked toml for git repo https://github.com/pedromfedricci/playground written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/pedromfedricci/playground already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mini-redis v0.4.1 [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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 85ed5bc056ad9028fbe62759417e59a32cb4dab206940cddd126e5113ffc89a9 [INFO] running `Command { std: "docker" "start" "-a" "85ed5bc056ad9028fbe62759417e59a32cb4dab206940cddd126e5113ffc89a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "85ed5bc056ad9028fbe62759417e59a32cb4dab206940cddd126e5113ffc89a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "85ed5bc056ad9028fbe62759417e59a32cb4dab206940cddd126e5113ffc89a9", kill_on_drop: false }` [INFO] [stdout] 85ed5bc056ad9028fbe62759417e59a32cb4dab206940cddd126e5113ffc89a9 [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" "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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+24606deaf48e56f604a6125fa11fb9f70cf4f1f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9562290d07b6c0ad5820eb51c3c81827bc28cec84acc4e63f87a6d51d6ef9a54 [INFO] running `Command { std: "docker" "start" "-a" "9562290d07b6c0ad5820eb51c3c81827bc28cec84acc4e63f87a6d51d6ef9a54", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] 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structopt-derive v0.4.16 [INFO] [stderr] Compiling async-stream-impl v0.3.2 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling async-attributes v1.1.2 [INFO] [stderr] Compiling typed-builder v0.9.1 [INFO] [stderr] Compiling darling_macro v0.13.0 [INFO] [stderr] Checking async-stream v0.3.2 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking polling v2.1.0 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Checking async-io v1.6.0 [INFO] [stderr] Checking kv-log-macro v1.0.7 [INFO] [stderr] Checking os_info v3.0.7 [INFO] [stderr] Checking async-global-executor v2.0.2 [INFO] [stderr] Compiling darling v0.13.0 [INFO] [stderr] Compiling serde_with_macros v1.5.1 [INFO] [stderr] Checking async-std v1.9.0 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing-futures v0.2.5 [INFO] [stderr] Checking structopt v0.3.23 [INFO] [stderr] Checking futures-executor v0.3.16 [INFO] [stderr] Checking futures v0.3.16 [INFO] [stderr] Checking trust-dns-proto v0.20.3 [INFO] [stderr] Checking tokio-rustls v0.22.0 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-stream v0.1.7 [INFO] [stderr] Checking serde_bytes v0.11.5 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Checking serde_with v1.11.0 [INFO] [stderr] Checking bstr v0.2.15 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking trust-dns-resolver v0.20.3 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tracing-subscriber v0.2.20 [INFO] [stderr] Checking bson v2.0.1 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stderr] Checking mini-redis v0.4.1 [INFO] [stderr] Checking mongodb v2.0.1 [INFO] [stderr] Checking playground v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `option_result_unwrap_unchecked` has been stable since 1.58.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(option_result_unwrap_unchecked)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/arc/mod.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/dropck/mod.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | Box::from_raw(ptr as *mut T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/rc/mod.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/bin/drop_check.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | Box::from_raw(self.ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/arc/mod.rs:76:13 [INFO] [stdout] | [INFO] [stdout] 76 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/dropck/mod.rs:118:13 [INFO] [stdout] | [INFO] [stdout] 118 | Box::from_raw(ptr as *mut T); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/rc/mod.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | Box::from_raw(self.ptr.as_ptr()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `Box::::from_raw` that must be used [INFO] [stdout] --> src/bin/drop_check.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | Box::from_raw(self.ptr); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: call `drop(from_raw(ptr))` if you intend to drop the `Box` [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.60s [INFO] running `Command { std: "docker" "inspect" "9562290d07b6c0ad5820eb51c3c81827bc28cec84acc4e63f87a6d51d6ef9a54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9562290d07b6c0ad5820eb51c3c81827bc28cec84acc4e63f87a6d51d6ef9a54", kill_on_drop: false }` [INFO] [stdout] 9562290d07b6c0ad5820eb51c3c81827bc28cec84acc4e63f87a6d51d6ef9a54