[INFO] fetching crate funfun 0.2.4... [INFO] testing funfun-0.2.4 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] extracting crate funfun 0.2.4 into /workspace/builds/worker-66/source [INFO] validating manifest of crates.io crate funfun 0.2.4 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate funfun 0.2.4 [INFO] finished tweaking crates.io crate funfun 0.2.4 [INFO] tweaked toml for crates.io crate funfun 0.2.4 written to /workspace/builds/worker-66/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bd77c15de07ac0152cd4d4f0a593da436026a3c5051d999cbb19a2a535f20d9b [INFO] running `Command { std: "docker" "start" "-a" "bd77c15de07ac0152cd4d4f0a593da436026a3c5051d999cbb19a2a535f20d9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bd77c15de07ac0152cd4d4f0a593da436026a3c5051d999cbb19a2a535f20d9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bd77c15de07ac0152cd4d4f0a593da436026a3c5051d999cbb19a2a535f20d9b", kill_on_drop: false }` [INFO] [stdout] bd77c15de07ac0152cd4d4f0a593da436026a3c5051d999cbb19a2a535f20d9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d2cf149e31f5167b2901eb7896553fb4bcfb760ae62e2b59f196ed77fef94541 [INFO] running `Command { std: "docker" "start" "-a" "d2cf149e31f5167b2901eb7896553fb4bcfb760ae62e2b59f196ed77fef94541", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling funfun v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 0.23s [INFO] running `Command { std: "docker" "inspect" "d2cf149e31f5167b2901eb7896553fb4bcfb760ae62e2b59f196ed77fef94541", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d2cf149e31f5167b2901eb7896553fb4bcfb760ae62e2b59f196ed77fef94541", kill_on_drop: false }` [INFO] [stdout] d2cf149e31f5167b2901eb7896553fb4bcfb760ae62e2b59f196ed77fef94541 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96e96ccfeb281b6a466477b598cf2f1f49bc728fba54093b04dcb9136f8f15ec [INFO] running `Command { std: "docker" "start" "-a" "96e96ccfeb281b6a466477b598cf2f1f49bc728fba54093b04dcb9136f8f15ec", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling funfun v0.2.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fmt` [INFO] [stdout] --> src/lib.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fmt; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:93:24 [INFO] [stdout] | [INFO] [stdout] 93 | type T = BoxFn String>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:115:24 [INFO] [stdout] | [INFO] [stdout] 115 | type T = ArcFn String>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String` [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/lib.rs:104:14 [INFO] [stdout] | [INFO] [stdout] 104 | |d: &str| -> String {"reassign once".to_string()} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/lib.rs:127:14 [INFO] [stdout] | [INFO] [stdout] 127 | |d: &str| -> String {"reassign once".to_string()} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:147:13 [INFO] [stdout] | [INFO] [stdout] 147 | res.join(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:165:13 [INFO] [stdout] | [INFO] [stdout] 165 | res.join(); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.73s [INFO] running `Command { std: "docker" "inspect" "96e96ccfeb281b6a466477b598cf2f1f49bc728fba54093b04dcb9136f8f15ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e96ccfeb281b6a466477b598cf2f1f49bc728fba54093b04dcb9136f8f15ec", kill_on_drop: false }` [INFO] [stdout] 96e96ccfeb281b6a466477b598cf2f1f49bc728fba54093b04dcb9136f8f15ec [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c69849454ab06e647b5aeb1107e5059feaba462c1c9a3e9bccbf66ceeb97b304 [INFO] running `Command { std: "docker" "start" "-a" "c69849454ab06e647b5aeb1107e5059feaba462c1c9a3e9bccbf66ceeb97b304", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/lib.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `funfun` (lib) generated 1 warning [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:93:24 [INFO] [stderr] | [INFO] [stderr] 93 | type T = BoxFn String>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib.rs:115:24 [INFO] [stderr] | [INFO] [stderr] 115 | type T = ArcFn String>; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> String` [INFO] [stderr] | [INFO] [stderr] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stderr] = note: for more information, see [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/lib.rs:104:14 [INFO] [stderr] | [INFO] [stderr] 104 | |d: &str| -> String {"reassign once".to_string()} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `d` [INFO] [stderr] --> src/lib.rs:127:14 [INFO] [stderr] | [INFO] [stderr] 127 | |d: &str| -> String {"reassign once".to_string()} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_d` [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:147:13 [INFO] [stderr] | [INFO] [stderr] 147 | res.join(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/lib.rs:165:13 [INFO] [stderr] | [INFO] [stderr] 165 | res.join(); [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: `funfun` (lib test) generated 7 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/funfun-a53146c511d32d6a) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::in_struct_arc_fn ... ok [INFO] [stdout] test tests::in_struct_box_fn ... ok [INFO] [stdout] test tests::pass_function_box_fn ... ok [INFO] [stdout] test tests::pass_named_box_fn ... ok [INFO] [stdout] test tests::one_arity_box_fn ... ok [INFO] [stdout] test tests::zero_arity_box_fn ... ok [INFO] [stdout] test tests::multithreading_box_fn ... ok [INFO] [stdout] test tests::multithreading_spawn_fn ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.66s [INFO] [stdout] [INFO] [stderr] Doc-tests funfun [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c69849454ab06e647b5aeb1107e5059feaba462c1c9a3e9bccbf66ceeb97b304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c69849454ab06e647b5aeb1107e5059feaba462c1c9a3e9bccbf66ceeb97b304", kill_on_drop: false }` [INFO] [stdout] c69849454ab06e647b5aeb1107e5059feaba462c1c9a3e9bccbf66ceeb97b304