[INFO] fetching crate alg_ds 0.3.1...
[INFO] testing alg_ds-0.3.1 against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] extracting crate alg_ds 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate alg_ds 0.3.1 on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "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-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aee22c16769af26a6339752d97bfdfc8352e4515e211be7343884a1ae915340
[INFO] running `Command { std: "docker" "start" "-a" "1aee22c16769af26a6339752d97bfdfc8352e4515e211be7343884a1ae915340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aee22c16769af26a6339752d97bfdfc8352e4515e211be7343884a1ae915340", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aee22c16769af26a6339752d97bfdfc8352e4515e211be7343884a1ae915340", kill_on_drop: false }`
[INFO] [stdout] 1aee22c16769af26a6339752d97bfdfc8352e4515e211be7343884a1ae915340
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f0e68f185f3ee2370974de6ad63368931ec2ea55937c314f3bc66931f7076dad
[INFO] running `Command { std: "docker" "start" "-a" "f0e68f185f3ee2370974de6ad63368931ec2ea55937c314f3bc66931f7076dad", kill_on_drop: false }`
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "f0e68f185f3ee2370974de6ad63368931ec2ea55937c314f3bc66931f7076dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0e68f185f3ee2370974de6ad63368931ec2ea55937c314f3bc66931f7076dad", kill_on_drop: false }`
[INFO] [stdout] f0e68f185f3ee2370974de6ad63368931ec2ea55937c314f3bc66931f7076dad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f21e81f8788145fdf952720e37a6919573920946f21274b6a6c7ce1533aaef0
[INFO] running `Command { std: "docker" "start" "-a" "0f21e81f8788145fdf952720e37a6919573920946f21274b6a6c7ce1533aaef0", kill_on_drop: false }`
[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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "0f21e81f8788145fdf952720e37a6919573920946f21274b6a6c7ce1533aaef0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f21e81f8788145fdf952720e37a6919573920946f21274b6a6c7ce1533aaef0", kill_on_drop: false }`
[INFO] [stdout] 0f21e81f8788145fdf952720e37a6919573920946f21274b6a6c7ce1533aaef0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4bc98a11e46ca195ef8480157cf0189f4e982b818432ec36d32ad714466604e1
[INFO] running `Command { std: "docker" "start" "-a" "4bc98a11e46ca195ef8480157cf0189f4e982b818432ec36d32ad714466604e1", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated type alias `std::alloc::LayoutErr`: Name does not follow std convention, use LayoutError
[INFO] [stdout] 
[INFO] [stderr]    --> src/ds/matrix.rs:140:59
[INFO] [stdout] running 25 tests
[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` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/alg_ds-b3433ecf056fa179)
[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-b3433ecf056fa179` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "4bc98a11e46ca195ef8480157cf0189f4e982b818432ec36d32ad714466604e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bc98a11e46ca195ef8480157cf0189f4e982b818432ec36d32ad714466604e1", kill_on_drop: false }`
[INFO] [stdout] 4bc98a11e46ca195ef8480157cf0189f4e982b818432ec36d32ad714466604e1