[INFO] cloning repository https://github.com/NishantJoshi00/taste-mem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NishantJoshi00/taste-mem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Ftaste-mem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Ftaste-mem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2289b464a6219426e12b56e8aed684b72a3a18ee
[INFO] testing NishantJoshi00/taste-mem against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNishantJoshi00%2Ftaste-mem" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/NishantJoshi00/taste-mem
[INFO] finished tweaking git repo https://github.com/NishantJoshi00/taste-mem
[INFO] tweaked toml for git repo https://github.com/NishantJoshi00/taste-mem written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/NishantJoshi00/taste-mem on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/NishantJoshi00/taste-mem already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0363b3a712330d0c0c02f10027622ac0f2d19153deb308044b9bc1dbb1325107
[INFO] running `Command { std: "docker" "start" "-a" "0363b3a712330d0c0c02f10027622ac0f2d19153deb308044b9bc1dbb1325107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0363b3a712330d0c0c02f10027622ac0f2d19153deb308044b9bc1dbb1325107", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0363b3a712330d0c0c02f10027622ac0f2d19153deb308044b9bc1dbb1325107", kill_on_drop: false }`
[INFO] [stdout] 0363b3a712330d0c0c02f10027622ac0f2d19153deb308044b9bc1dbb1325107
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 413119ff1535295650c1d570c0d88f6cecfdcee468ad68f1f18e04f5c648e674
[INFO] running `Command { std: "docker" "start" "-a" "413119ff1535295650c1d570c0d88f6cecfdcee468ad68f1f18e04f5c648e674", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling filz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::hint::black_box`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::hint::black_box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `filz::stack::StackAllocator`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use filz::stack::StackAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "413119ff1535295650c1d570c0d88f6cecfdcee468ad68f1f18e04f5c648e674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413119ff1535295650c1d570c0d88f6cecfdcee468ad68f1f18e04f5c648e674", kill_on_drop: false }`
[INFO] [stdout] 413119ff1535295650c1d570c0d88f6cecfdcee468ad68f1f18e04f5c648e674
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d69b0d3f97b87c7cd52894ec4c37cb82c16a4fe35fd60b0e069579101398b69
[INFO] running `Command { std: "docker" "start" "-a" "8d69b0d3f97b87c7cd52894ec4c37cb82c16a4fe35fd60b0e069579101398b69", kill_on_drop: false }`
[INFO] [stderr]    Compiling filz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::hint::black_box`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use core::hint::black_box;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `filz::stack::StackAllocator`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use filz::stack::StackAllocator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "8d69b0d3f97b87c7cd52894ec4c37cb82c16a4fe35fd60b0e069579101398b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d69b0d3f97b87c7cd52894ec4c37cb82c16a4fe35fd60b0e069579101398b69", kill_on_drop: false }`
[INFO] [stdout] 8d69b0d3f97b87c7cd52894ec4c37cb82c16a4fe35fd60b0e069579101398b69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e7f592e4706c1b4f1b106bff4109da6e4b25a43867a52c4dec6d8bc43bedb12
[INFO] running `Command { std: "docker" "start" "-a" "5e7f592e4706c1b4f1b106bff4109da6e4b25a43867a52c4dec6d8bc43bedb12", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `core::hint::black_box`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use core::hint::black_box;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `filz::stack::StackAllocator`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use filz::stack::StackAllocator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `filz` (bin "filz" test) generated 2 warnings (run `cargo fix --bin "filz" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/filz-110159d630f8807b)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/filz-f4823159cc8094a8)
[INFO] [stderr] panicked at /opt/rustwide/workdir/src/mmap.rs:44:18:
[INFO] [stderr] 
[INFO] [stderr] thread panicked while processing panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--bin filz`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/filz-f4823159cc8094a8` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "5e7f592e4706c1b4f1b106bff4109da6e4b25a43867a52c4dec6d8bc43bedb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7f592e4706c1b4f1b106bff4109da6e4b25a43867a52c4dec6d8bc43bedb12", kill_on_drop: false }`
[INFO] [stdout] 5e7f592e4706c1b4f1b106bff4109da6e4b25a43867a52c4dec6d8bc43bedb12
