[INFO] fetching crate proptest-quickcheck-interop 2.0.0... [INFO] checking proptest-quickcheck-interop-2.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate proptest-quickcheck-interop 2.0.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate proptest-quickcheck-interop 2.0.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate proptest-quickcheck-interop 2.0.0 [INFO] finished tweaking crates.io crate proptest-quickcheck-interop 2.0.0 [INFO] tweaked toml for crates.io crate proptest-quickcheck-interop 2.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 39 packages to latest compatible versions [INFO] [stderr] Adding bit-set v0.4.0 (available: v0.8.0) [INFO] [stderr] Adding bit-vec v0.4.4 (available: v0.8.0) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding env_logger v0.5.13 (available: v0.11.5) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding humantime v1.3.0 (available: v2.1.0) [INFO] [stderr] Adding proptest v0.4.2 (available: v1.5.0) [INFO] [stderr] Adding quick-error v1.2.3 (available: v2.0.1) [INFO] [stderr] Adding quickcheck v0.6.2 (available: v1.0.3) [INFO] [stderr] Adding rand v0.4.6 (available: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (available: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (available: v0.6.4) [INFO] [stderr] Adding rdrand v0.4.0 (available: v0.8.3) [INFO] [stderr] Adding regex-syntax v0.4.2 (available: v0.8.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 373c53fb2bbdc9a404e211536b23a3dbe9921b2c5ffd65f8db4701013abfdf9f [INFO] running `Command { std: "docker" "start" "-a" "373c53fb2bbdc9a404e211536b23a3dbe9921b2c5ffd65f8db4701013abfdf9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "373c53fb2bbdc9a404e211536b23a3dbe9921b2c5ffd65f8db4701013abfdf9f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "373c53fb2bbdc9a404e211536b23a3dbe9921b2c5ffd65f8db4701013abfdf9f", kill_on_drop: false }` [INFO] [stdout] 373c53fb2bbdc9a404e211536b23a3dbe9921b2c5ffd65f8db4701013abfdf9f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7d6a31444431e860c3c33e31011aee3f078e6b338f76f9ad75175025a831e746 [INFO] running `Command { std: "docker" "start" "-a" "7d6a31444431e860c3c33e31011aee3f078e6b338f76f9ad75175025a831e746", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking bit-vec v0.4.4 [INFO] [stderr] Checking log v0.4.22 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking lazy_static v1.5.0 [INFO] [stderr] Checking regex-syntax v0.4.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking bit-set v0.4.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking proptest v0.4.2 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking env_logger v0.5.13 [INFO] [stderr] Checking quickcheck v0.6.2 [INFO] [stderr] Checking proptest-quickcheck-interop v2.0.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:202:19 [INFO] [stdout] | [INFO] [stdout] 202 | shrinker: Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 202 | shrinker: Box> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:229:35 [INFO] [stdout] | [INFO] [stdout] 229 | fn new(curr: A, shrinker: Box>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 229 | fn new(curr: A, shrinker: Box>) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:202:19 [INFO] [stdout] | [INFO] [stdout] 202 | shrinker: Box> [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 202 | shrinker: Box> [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:229:35 [INFO] [stdout] | [INFO] [stdout] 229 | fn new(curr: A, shrinker: Box>) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [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] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 229 | fn new(curr: A, shrinker: Box>) -> Self { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.87s [INFO] running `Command { std: "docker" "inspect" "7d6a31444431e860c3c33e31011aee3f078e6b338f76f9ad75175025a831e746", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d6a31444431e860c3c33e31011aee3f078e6b338f76f9ad75175025a831e746", kill_on_drop: false }` [INFO] [stdout] 7d6a31444431e860c3c33e31011aee3f078e6b338f76f9ad75175025a831e746