[INFO] fetching crate game_features 0.8.1... [INFO] checking game_features-0.8.1 against master#94b72d6bebbddb5d17860914c4544f37365e988c for pr-122789 [INFO] extracting crate game_features 0.8.1 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate game_features 0.8.1 on toolchain 94b72d6bebbddb5d17860914c4544f37365e988c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate game_features 0.8.1 [INFO] finished tweaking crates.io crate game_features 0.8.1 [INFO] tweaked toml for crates.io crate game_features 0.8.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded partial_function v0.4.0 [INFO] [stderr] Downloaded darling v0.9.0 [INFO] [stderr] Downloaded derive_builder_core v0.5.0 [INFO] [stderr] Downloaded derive_builder v0.7.2 [INFO] [stderr] Downloaded strsim v0.7.0 [INFO] [stderr] Downloaded darling_core v0.9.0 [INFO] [stderr] Downloaded darling_macro v0.9.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] df6d88682db807bf4ad986d5f30dde05937a3e07e2078b3c341fd5fc89d74a49 [INFO] running `Command { std: "docker" "start" "-a" "df6d88682db807bf4ad986d5f30dde05937a3e07e2078b3c341fd5fc89d74a49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "df6d88682db807bf4ad986d5f30dde05937a3e07e2078b3c341fd5fc89d74a49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "df6d88682db807bf4ad986d5f30dde05937a3e07e2078b3c341fd5fc89d74a49", kill_on_drop: false }` [INFO] [stdout] df6d88682db807bf4ad986d5f30dde05937a3e07e2078b3c341fd5fc89d74a49 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+94b72d6bebbddb5d17860914c4544f37365e988c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48a702417a7d9deacb322d92119651b220a3df374a933885ff67872faec33b6e [INFO] running `Command { std: "docker" "start" "-a" "48a702417a7d9deacb322d92119651b220a3df374a933885ff67872faec33b6e", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking partial_function v0.4.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling derive_builder_core v0.5.0 [INFO] [stderr] Checking game_features v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::permissions::*` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub use self::permissions::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::statistics::*` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub use self::statistics::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::user_management::*` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub use self::user_management::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::permissions::*` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub use self::permissions::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::statistics::*` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub use self::statistics::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::user_management::*` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub use self::user_management::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stat.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | for mut s in stat_set.stats.values_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stat.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | for mut s in stat_set.stats.values_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.40s [INFO] running `Command { std: "docker" "inspect" "48a702417a7d9deacb322d92119651b220a3df374a933885ff67872faec33b6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48a702417a7d9deacb322d92119651b220a3df374a933885ff67872faec33b6e", kill_on_drop: false }` [INFO] [stdout] 48a702417a7d9deacb322d92119651b220a3df374a933885ff67872faec33b6e [INFO] checking game_features-0.8.1 against try#cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc for pr-122789 [INFO] extracting crate game_features 0.8.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate game_features 0.8.1 on toolchain cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate game_features 0.8.1 [INFO] finished tweaking crates.io crate game_features 0.8.1 [INFO] tweaked toml for crates.io crate game_features 0.8.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b8425a802d5438b25f3cdf2bee5d17f61e204219229053b9be180cf8e08dc270 [INFO] running `Command { std: "docker" "start" "-a" "b8425a802d5438b25f3cdf2bee5d17f61e204219229053b9be180cf8e08dc270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b8425a802d5438b25f3cdf2bee5d17f61e204219229053b9be180cf8e08dc270", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b8425a802d5438b25f3cdf2bee5d17f61e204219229053b9be180cf8e08dc270", kill_on_drop: false }` [INFO] [stdout] b8425a802d5438b25f3cdf2bee5d17f61e204219229053b9be180cf8e08dc270 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+cb4bf0ee9ea9dac86332c9e48c07269c7edc21dc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bd674316ee3bac13cc081732fedb3f4e565dda6666733cb0cf42097a01208d9f [INFO] running `Command { std: "docker" "start" "-a" "bd674316ee3bac13cc081732fedb3f4e565dda6666733cb0cf42097a01208d9f", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling fnv v1.0.7 [INFO] [stderr] Compiling ident_case v1.0.1 [INFO] [stderr] Compiling strsim v0.7.0 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling derive_builder v0.7.2 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand v0.5.6 [INFO] [stderr] Checking partial_function v0.4.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Compiling derive-new v0.5.9 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling darling_core v0.9.0 [INFO] [stderr] Compiling darling_macro v0.9.0 [INFO] [stderr] Compiling darling v0.9.0 [INFO] [stderr] Compiling derive_builder_core v0.5.0 [INFO] [stderr] Checking game_features v0.8.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::permissions::*` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub use self::permissions::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::statistics::*` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub use self::statistics::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::user_management::*` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub use self::user_management::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::permissions::*` [INFO] [stdout] --> src/lib.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | pub use self::permissions::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::statistics::*` [INFO] [stdout] --> src/lib.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | pub use self::statistics::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::user_management::*` [INFO] [stdout] --> src/lib.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | pub use self::user_management::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/item.rs:498:9 [INFO] [stdout] | [INFO] [stdout] 498 | self.content.get(idx).unwrap_or(&None) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^ [INFO] [stdout] | | | [INFO] [stdout] | | temporary value created here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0515]: cannot return value referencing temporary value [INFO] [stdout] --> src/item.rs:498:9 [INFO] [stdout] | [INFO] [stdout] 498 | self.content.get(idx).unwrap_or(&None) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----^ [INFO] [stdout] | | | [INFO] [stdout] | | temporary value created here [INFO] [stdout] | returns a value referencing data owned by the current function [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stat.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | for mut s in stat_set.stats.values_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/stat.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | for mut s in stat_set.stats.values_mut() { [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `game_features` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0515`. [INFO] [stdout] [INFO] [stderr] error: could not compile `game_features` (lib) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "bd674316ee3bac13cc081732fedb3f4e565dda6666733cb0cf42097a01208d9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd674316ee3bac13cc081732fedb3f4e565dda6666733cb0cf42097a01208d9f", kill_on_drop: false }` [INFO] [stdout] bd674316ee3bac13cc081732fedb3f4e565dda6666733cb0cf42097a01208d9f