[INFO] fetching crate alg_ds 0.3.1...
[INFO] testing alg_ds-0.3.1 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate alg_ds 0.3.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate alg_ds 0.3.1 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alg_ds 0.3.1
[INFO] finished tweaking crates.io crate alg_ds 0.3.1
[INFO] tweaked toml for crates.io crate alg_ds 0.3.1 written to /workspace/builds/worker-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f22b7a87ef846b73fe0fe4ffb42e05f878c40b3d9ccbb53426e1d95e7e688e24
[INFO] running `Command { std: "docker" "start" "-a" "f22b7a87ef846b73fe0fe4ffb42e05f878c40b3d9ccbb53426e1d95e7e688e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f22b7a87ef846b73fe0fe4ffb42e05f878c40b3d9ccbb53426e1d95e7e688e24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f22b7a87ef846b73fe0fe4ffb42e05f878c40b3d9ccbb53426e1d95e7e688e24", kill_on_drop: false }`
[INFO] [stdout] f22b7a87ef846b73fe0fe4ffb42e05f878c40b3d9ccbb53426e1d95e7e688e24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01d9e5b25d7771ecbe449249a60eb7b70e8c004af03852c9396a3cba2944fa2c
[INFO] running `Command { std: "docker" "start" "-a" "01d9e5b25d7771ecbe449249a60eb7b70e8c004af03852c9396a3cba2944fa2c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/ds/matrix.rs:140:59
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn layout<T>(size: usize) -> Result<alloc::Layout, alloc::LayoutErr> {
[INFO] [stdout]     |                                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` 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 0.66s
[INFO] running `Command { std: "docker" "inspect" "01d9e5b25d7771ecbe449249a60eb7b70e8c004af03852c9396a3cba2944fa2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01d9e5b25d7771ecbe449249a60eb7b70e8c004af03852c9396a3cba2944fa2c", kill_on_drop: false }`
[INFO] [stdout] 01d9e5b25d7771ecbe449249a60eb7b70e8c004af03852c9396a3cba2944fa2c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 371939fa3629f669a75d973e42c91656ed3e4a446ff2d01f29536a3bb9958084
[INFO] running `Command { std: "docker" "start" "-a" "371939fa3629f669a75d973e42c91656ed3e4a446ff2d01f29536a3bb9958084", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/ds/matrix.rs:140:59
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn layout<T>(size: usize) -> Result<alloc::Layout, alloc::LayoutErr> {
[INFO] [stdout]     |                                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling alg_ds v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout]    --> src/ds/matrix.rs:140:59
[INFO] [stdout]     |
[INFO] [stdout] 140 | fn layout<T>(size: usize) -> Result<alloc::Layout, alloc::LayoutErr> {
[INFO] [stdout]     |                                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "371939fa3629f669a75d973e42c91656ed3e4a446ff2d01f29536a3bb9958084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "371939fa3629f669a75d973e42c91656ed3e4a446ff2d01f29536a3bb9958084", kill_on_drop: false }`
[INFO] [stdout] 371939fa3629f669a75d973e42c91656ed3e4a446ff2d01f29536a3bb9958084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d965cff46fb4b6585dd1d51f201578d74a18323faf135b060f0117a4485bf981
[INFO] running `Command { std: "docker" "start" "-a" "d965cff46fb4b6585dd1d51f201578d74a18323faf135b060f0117a4485bf981", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stderr]    --> src/ds/matrix.rs:140:59
[INFO] [stderr]     |
[INFO] [stderr] 140 | fn layout<T>(size: usize) -> Result<alloc::Layout, alloc::LayoutErr> {
[INFO] [stderr]     |                                                           ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `alg_ds` (lib) generated 1 warning
[INFO] [stderr] warning: `alg_ds` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alg_ds-6f21432879051a6c)
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stderr] double free or corruption (out)
[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/alg_ds-6f21432879051a6c` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "d965cff46fb4b6585dd1d51f201578d74a18323faf135b060f0117a4485bf981", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d965cff46fb4b6585dd1d51f201578d74a18323faf135b060f0117a4485bf981", kill_on_drop: false }`
[INFO] [stdout] d965cff46fb4b6585dd1d51f201578d74a18323faf135b060f0117a4485bf981