[INFO] fetching crate fuzzcheck 0.3.0... [INFO] testing fuzzcheck-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate fuzzcheck 0.3.0 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate fuzzcheck 0.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate fuzzcheck 0.3.0 [INFO] finished tweaking crates.io crate fuzzcheck 0.3.0 [INFO] tweaked toml for crates.io crate fuzzcheck 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fuzzcheck_arg_parser v0.3.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 20fc7da46a2bf902afcd9a2ba6a718260a3857e721529cbd209a3c95f1de0f7b [INFO] running `Command { std: "docker" "start" "-a" "20fc7da46a2bf902afcd9a2ba6a718260a3857e721529cbd209a3c95f1de0f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20fc7da46a2bf902afcd9a2ba6a718260a3857e721529cbd209a3c95f1de0f7b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20fc7da46a2bf902afcd9a2ba6a718260a3857e721529cbd209a3c95f1de0f7b", kill_on_drop: false }` [INFO] [stdout] 20fc7da46a2bf902afcd9a2ba6a718260a3857e721529cbd209a3c95f1de0f7b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 002b7f0105f61062711aa7d230b123c58f7daf065e80df3f9dc23ee74208e83a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "002b7f0105f61062711aa7d230b123c58f7daf065e80df3f9dc23ee74208e83a", kill_on_drop: false }` [INFO] [stderr] Compiling fastrand v1.3.3 [INFO] [stderr] Compiling fuzzcheck_traits v0.3.0 [INFO] [stderr] Compiling getopts v0.2.21 [INFO] [stderr] Compiling fuzzcheck_arg_parser v0.3.0 [INFO] [stderr] Compiling fuzzcheck v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `EWOULDBLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:816:5 [INFO] [stdout] | [INFO] [stdout] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EDEADLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:817:5 [INFO] [stdout] | [INFO] [stdout] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ENOTSUP` [INFO] [stdout] --> src/nix_subset/errno.rs:818:5 [INFO] [stdout] | [INFO] [stdout] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `type_of_thread_id` [INFO] [stdout] --> src/nix_subset/signal.rs:423:1 [INFO] [stdout] | [INFO] [stdout] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.99s [INFO] running `Command { std: "docker" "inspect" "002b7f0105f61062711aa7d230b123c58f7daf065e80df3f9dc23ee74208e83a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "002b7f0105f61062711aa7d230b123c58f7daf065e80df3f9dc23ee74208e83a", kill_on_drop: false }` [INFO] [stdout] 002b7f0105f61062711aa7d230b123c58f7daf065e80df3f9dc23ee74208e83a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 60fbb04477e9cb11be0f2bc5ef798946018eccc10b04622bb14cd644c9ce303c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "60fbb04477e9cb11be0f2bc5ef798946018eccc10b04622bb14cd644c9ce303c", kill_on_drop: false }` [INFO] [stderr] Compiling fuzzcheck v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `EWOULDBLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:816:5 [INFO] [stdout] | [INFO] [stdout] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EDEADLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:817:5 [INFO] [stdout] | [INFO] [stdout] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ENOTSUP` [INFO] [stdout] --> src/nix_subset/errno.rs:818:5 [INFO] [stdout] | [INFO] [stdout] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `type_of_thread_id` [INFO] [stdout] --> src/nix_subset/signal.rs:423:1 [INFO] [stdout] | [INFO] [stdout] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EWOULDBLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:816:5 [INFO] [stdout] | [INFO] [stdout] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `EDEADLOCK` [INFO] [stdout] --> src/nix_subset/errno.rs:817:5 [INFO] [stdout] | [INFO] [stdout] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `ENOTSUP` [INFO] [stdout] --> src/nix_subset/errno.rs:818:5 [INFO] [stdout] | [INFO] [stdout] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `type_of_thread_id` [INFO] [stdout] --> src/nix_subset/signal.rs:423:1 [INFO] [stdout] | [INFO] [stdout] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.84s [INFO] running `Command { std: "docker" "inspect" "60fbb04477e9cb11be0f2bc5ef798946018eccc10b04622bb14cd644c9ce303c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "60fbb04477e9cb11be0f2bc5ef798946018eccc10b04622bb14cd644c9ce303c", kill_on_drop: false }` [INFO] [stdout] 60fbb04477e9cb11be0f2bc5ef798946018eccc10b04622bb14cd644c9ce303c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9a35344df166f18eb144aeee1ef2cdb0f81ee8e031581416352f101afd445d45 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9a35344df166f18eb144aeee1ef2cdb0f81ee8e031581416352f101afd445d45", kill_on_drop: false }` [INFO] [stderr] warning: constant is never used: `EWOULDBLOCK` [INFO] [stderr] --> src/nix_subset/errno.rs:816:5 [INFO] [stderr] | [INFO] [stderr] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `EDEADLOCK` [INFO] [stderr] --> src/nix_subset/errno.rs:817:5 [INFO] [stderr] | [INFO] [stderr] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `ENOTSUP` [INFO] [stderr] --> src/nix_subset/errno.rs:818:5 [INFO] [stderr] | [INFO] [stderr] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `type_of_thread_id` [INFO] [stderr] --> src/nix_subset/signal.rs:423:1 [INFO] [stderr] | [INFO] [stderr] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `EWOULDBLOCK` [INFO] [stderr] --> src/nix_subset/errno.rs:816:5 [INFO] [stderr] | [INFO] [stderr] 816 | pub const EWOULDBLOCK: Errno = Errno::EAGAIN; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `EDEADLOCK` [INFO] [stderr] --> src/nix_subset/errno.rs:817:5 [INFO] [stderr] | [INFO] [stderr] 817 | pub const EDEADLOCK: Errno = Errno::EDEADLK; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant is never used: `ENOTSUP` [INFO] [stderr] --> src/nix_subset/errno.rs:818:5 [INFO] [stderr] | [INFO] [stderr] 818 | pub const ENOTSUP: Errno = Errno::EOPNOTSUPP; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `type_of_thread_id` [INFO] [stderr] --> src/nix_subset/signal.rs:423:1 [INFO] [stderr] | [INFO] [stderr] 423 | pub type type_of_thread_id = libc::pid_t; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fuzzcheck-fb09fdf6b165b875 [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test data_structures::tests::test_large_step_find_iter ... ok [INFO] [stdout] test pool::tests::property_test ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests fuzzcheck [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9a35344df166f18eb144aeee1ef2cdb0f81ee8e031581416352f101afd445d45", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9a35344df166f18eb144aeee1ef2cdb0f81ee8e031581416352f101afd445d45", kill_on_drop: false }` [INFO] [stdout] 9a35344df166f18eb144aeee1ef2cdb0f81ee8e031581416352f101afd445d45