[INFO] crate proptest-quickcheck-interop 2.0.0 is already in cache
[INFO] checking proptest-quickcheck-interop-2.0.0 against master#e22b61bff0bdd08be7665607cb7be3748c8a35d2 for pr-74627
[INFO] extracting crate proptest-quickcheck-interop 2.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate proptest-quickcheck-interop 2.0.0 on toolchain e22b61bff0bdd08be7665607cb7be3748c8a35d2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "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] f8f9497c24cd7986f36b2915dca3771a6474e7e18a7f9bf6a22bb2741223af4e
[INFO] running `Command { std: "docker" "start" "-a" "f8f9497c24cd7986f36b2915dca3771a6474e7e18a7f9bf6a22bb2741223af4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8f9497c24cd7986f36b2915dca3771a6474e7e18a7f9bf6a22bb2741223af4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8f9497c24cd7986f36b2915dca3771a6474e7e18a7f9bf6a22bb2741223af4e", kill_on_drop: false }`
[INFO] [stdout] f8f9497c24cd7986f36b2915dca3771a6474e7e18a7f9bf6a22bb2741223af4e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+e22b61bff0bdd08be7665607cb7be3748c8a35d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50fec184776c86a7ef1c62e18abe958a5537a6d2e8cc6f79149d260732569adb
[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" "50fec184776c86a7ef1c62e18abe958a5537a6d2e8cc6f79149d260732569adb", kill_on_drop: false }`
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking proptest v0.4.2
[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<Iterator<Item = A>>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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<Iterator<Item = A>>) -> Self {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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<Iterator<Item = A>>
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[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<Iterator<Item = A>>) -> Self {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = A>`
[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 [unoptimized + debuginfo] target(s) in 8.80s
[INFO] running `Command { std: "docker" "inspect" "50fec184776c86a7ef1c62e18abe958a5537a6d2e8cc6f79149d260732569adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50fec184776c86a7ef1c62e18abe958a5537a6d2e8cc6f79149d260732569adb", kill_on_drop: false }`
[INFO] [stdout] 50fec184776c86a7ef1c62e18abe958a5537a6d2e8cc6f79149d260732569adb