[INFO] fetching crate heterovec 0.1.2...
[INFO] testing heterovec-0.1.2 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate heterovec 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate heterovec 0.1.2 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heterovec 0.1.2
[INFO] finished tweaking crates.io crate heterovec 0.1.2
[INFO] tweaked toml for crates.io crate heterovec 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4224f930aa6b6434e515582ffe0937f07a2a0f8f4279c778101ce77bb52735fc
[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" "4224f930aa6b6434e515582ffe0937f07a2a0f8f4279c778101ce77bb52735fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4224f930aa6b6434e515582ffe0937f07a2a0f8f4279c778101ce77bb52735fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4224f930aa6b6434e515582ffe0937f07a2a0f8f4279c778101ce77bb52735fc", kill_on_drop: false }`
[INFO] [stdout] 4224f930aa6b6434e515582ffe0937f07a2a0f8f4279c778101ce77bb52735fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", 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] 517a0aaea64e53216c4bfb073bbc40a58ad8310d646899bb61d9331c2bf9e653
[INFO] running `Command { std: "docker" "start" "-a" "517a0aaea64e53216c4bfb073bbc40a58ad8310d646899bb61d9331c2bf9e653", kill_on_drop: false }`
[INFO] [stderr]    Compiling heterovec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `slice_from_raw_parts` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(slice_from_raw_parts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 0.43s
[INFO] running `Command { std: "docker" "inspect" "517a0aaea64e53216c4bfb073bbc40a58ad8310d646899bb61d9331c2bf9e653", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "517a0aaea64e53216c4bfb073bbc40a58ad8310d646899bb61d9331c2bf9e653", kill_on_drop: false }`
[INFO] [stdout] 517a0aaea64e53216c4bfb073bbc40a58ad8310d646899bb61d9331c2bf9e653
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", 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] dc8261960a608dda188d53763823bfc7b9778b5de0598298e97d5bf0e508a5a5
[INFO] running `Command { std: "docker" "start" "-a" "dc8261960a608dda188d53763823bfc7b9778b5de0598298e97d5bf0e508a5a5", kill_on_drop: false }`
[INFO] [stdout] warning: the feature `slice_from_raw_parts` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(slice_from_raw_parts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling heterovec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/tests.rs:315:17
[INFO] [stdout]     |
[INFO] [stdout] 315 |             let token = &token;
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_from_raw_parts` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(slice_from_raw_parts)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "dc8261960a608dda188d53763823bfc7b9778b5de0598298e97d5bf0e508a5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc8261960a608dda188d53763823bfc7b9778b5de0598298e97d5bf0e508a5a5", kill_on_drop: false }`
[INFO] [stdout] dc8261960a608dda188d53763823bfc7b9778b5de0598298e97d5bf0e508a5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", 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] 0d06d1b07057980c67d211e5b440ed4d9ce305943a48e5d6a7c013c12acb85ce
[INFO] running `Command { std: "docker" "start" "-a" "0d06d1b07057980c67d211e5b440ed4d9ce305943a48e5d6a7c013c12acb85ce", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `slice_from_raw_parts` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stdout] running 16 tests
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stdout] test tests::array_copy_slice_basic ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::closure_boxing ... ok
[INFO] [stderr] 6 | #![feature(slice_from_raw_parts)]
[INFO] [stdout] test tests::drop_test::drop_test_sanity_check ... ok
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] test tests::closure_basic ... ok
[INFO] [stderr]   |
[INFO] [stdout] test tests::mutate_arrays_from_vec ... ok
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] test tests::str_basic ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::array_drop_test ... ok
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] test tests::array_basic ... ok
[INFO] [stderr] 
[INFO] [stdout] test tests::closure_drop_test ... ok
[INFO] [stderr] warning: unused variable: `token`
[INFO] [stderr]    --> src/tests.rs:315:17
[INFO] [stderr]     |
[INFO] [stderr] 315 |             let token = &token;
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `slice_from_raw_parts` has been stable since 1.42.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 | #![feature(slice_from_raw_parts)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/heterovec-1e2019acea452856
[INFO] [stdout] test tests::array_from_vec_basic ... ok
[INFO] [stdout] test tests::mutate_arrays ... ok
[INFO] [stdout] test tests::mutate_arrays_copy_slice ... ok
[INFO] [stderr] free(): invalid pointer
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/heterovec-1e2019acea452856` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0d06d1b07057980c67d211e5b440ed4d9ce305943a48e5d6a7c013c12acb85ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d06d1b07057980c67d211e5b440ed4d9ce305943a48e5d6a7c013c12acb85ce", kill_on_drop: false }`
[INFO] [stdout] 0d06d1b07057980c67d211e5b440ed4d9ce305943a48e5d6a7c013c12acb85ce