[INFO] fetching crate clear_on_drop 0.2.4...
[INFO] testing clear_on_drop-0.2.4 against 1.60.0 for beta-1.61-1
[INFO] extracting crate clear_on_drop 0.2.4 into /workspace/builds/worker-71/source
[INFO] validating manifest of crates.io crate clear_on_drop 0.2.4 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate clear_on_drop 0.2.4
[INFO] finished tweaking crates.io crate clear_on_drop 0.2.4
[INFO] tweaked toml for crates.io crate clear_on_drop 0.2.4 written to /workspace/builds/worker-71/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e49b0a30b90aeb69b28ed58709bc02ef8c0e6fd61f7707f3f53f8e37d46c2d9
[INFO] running `Command { std: "docker" "start" "-a" "8e49b0a30b90aeb69b28ed58709bc02ef8c0e6fd61f7707f3f53f8e37d46c2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e49b0a30b90aeb69b28ed58709bc02ef8c0e6fd61f7707f3f53f8e37d46c2d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e49b0a30b90aeb69b28ed58709bc02ef8c0e6fd61f7707f3f53f8e37d46c2d9", kill_on_drop: false }`
[INFO] [stdout] 8e49b0a30b90aeb69b28ed58709bc02ef8c0e6fd61f7707f3f53f8e37d46c2d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5e753f9eac2923deb97b34a51cfbbec7847c9370c8b9bde5db446cf660df43b
[INFO] running `Command { std: "docker" "start" "-a" "c5e753f9eac2923deb97b34a51cfbbec7847c9370c8b9bde5db446cf660df43b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clear_on_drop v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout] 30 +     hide_ptr::<&mut dyn FnMut() -> R>(&mut f)()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.79s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c5e753f9eac2923deb97b34a51cfbbec7847c9370c8b9bde5db446cf660df43b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e753f9eac2923deb97b34a51cfbbec7847c9370c8b9bde5db446cf660df43b", kill_on_drop: false }`
[INFO] [stdout] c5e753f9eac2923deb97b34a51cfbbec7847c9370c8b9bde5db446cf660df43b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55739cd0c0b731d42042a774d9841f2a0f54da60519fe007314311698de1a392
[INFO] running `Command { std: "docker" "start" "-a" "55739cd0c0b731d42042a774d9841f2a0f54da60519fe007314311698de1a392", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout] 30 +     hide_ptr::<&mut dyn FnMut() -> R>(&mut f)()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling clear_on_drop v0.2.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stdout]    |
[INFO] [stdout] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout]    |                     ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 -     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stdout] 30 +     hide_ptr::<&mut dyn FnMut() -> R>(&mut f)()
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "55739cd0c0b731d42042a774d9841f2a0f54da60519fe007314311698de1a392", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55739cd0c0b731d42042a774d9841f2a0f54da60519fe007314311698de1a392", kill_on_drop: false }`
[INFO] [stdout] 55739cd0c0b731d42042a774d9841f2a0f54da60519fe007314311698de1a392
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-71/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 28e1096651296d4b9e89488ea6177aa5cba46c6867eeb3c8b53889b542255fe0
[INFO] running `Command { std: "docker" "start" "-a" "28e1096651296d4b9e89488ea6177aa5cba46c6867eeb3c8b53889b542255fe0", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/clear_stack_on_return.rs:30:21
[INFO] [stderr]    |
[INFO] [stderr] 30 |     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr]    |                     ^^^^^^^^^^^^
[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 <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 -     hide_ptr::<&mut FnMut() -> R>(&mut f)()
[INFO] [stderr] 30 +     hide_ptr::<&mut dyn FnMut() -> R>(&mut f)()
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `clear_on_drop` (lib) generated 1 warning
[INFO] [stderr] warning: `clear_on_drop` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/clear_on_drop-d484fbf39cdb78d6)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test clear_on_drop::tests::into_box ... ok
[INFO] [stdout] test clear_on_drop::tests::into_uncleared_string ... ok
[INFO] [stdout] test clear_on_drop::tests::on_boxed_slice ... ok
[INFO] [stdout] test clear_on_drop::tests::into_uncleared_box ... ok
[INFO] [stdout] test clear_on_drop::tests::on_box ... ok
[INFO] [stdout] test clear_on_drop::tests::into_string ... ok
[INFO] [stdout] test clear_on_drop::tests::on_fixed_size_array ... ok
[INFO] [stdout] test hide::tests::hide_ptr ... ok
[INFO] [stdout] test clear_on_drop::tests::on_string ... ok
[INFO] [stdout] test clear_on_drop::tests::on_stack ... ok
[INFO] [stdout] test clear_on_drop::tests::on_slice ... ok
[INFO] [stdout] test hide::tests::hide_mem ... ok
[INFO] [stdout] test clear_on_drop::tests::on_str_slice ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests clear_on_drop
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/clear.rs - clear (line 7) ... ok
[INFO] [stdout] test src/clear_on_drop.rs - clear_on_drop::ClearOnDrop (line 20) ... ok
[INFO] [stdout] test src/clear_stack_on_return.rs - clear_stack_on_return::clear_stack_on_return_fnonce (line 40) ... ok
[INFO] [stdout] test src/clear_stack_on_return.rs - clear_stack_on_return::clear_stack_on_return (line 17) ... ok
[INFO] [stdout] test src/clear.rs - clear (line 21) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.56s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "28e1096651296d4b9e89488ea6177aa5cba46c6867eeb3c8b53889b542255fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28e1096651296d4b9e89488ea6177aa5cba46c6867eeb3c8b53889b542255fe0", kill_on_drop: false }`
[INFO] [stdout] 28e1096651296d4b9e89488ea6177aa5cba46c6867eeb3c8b53889b542255fe0