[INFO] fetching crate introsort 0.6.0...
[INFO] testing introsort-0.6.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate introsort 0.6.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate introsort 0.6.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate introsort 0.6.0
[INFO] finished tweaking crates.io crate introsort 0.6.0
[INFO] tweaked toml for crates.io crate introsort 0.6.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded void v0.0.5
[INFO] [stderr]   Downloaded unreachable v0.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dcb4e1ddc763210e8b45dec0204c67712da9e674976d68183a26c12f492c33e
[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" "8dcb4e1ddc763210e8b45dec0204c67712da9e674976d68183a26c12f492c33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dcb4e1ddc763210e8b45dec0204c67712da9e674976d68183a26c12f492c33e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dcb4e1ddc763210e8b45dec0204c67712da9e674976d68183a26c12f492c33e", kill_on_drop: false }`
[INFO] [stdout] 8dcb4e1ddc763210e8b45dec0204c67712da9e674976d68183a26c12f492c33e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4914b433e688d71eedffe3d5d6865b8edd11f72364ce7e57664b7667f22b82b0
[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" "4914b433e688d71eedffe3d5d6865b8edd11f72364ce7e57664b7667f22b82b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling void v0.0.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling unreachable v0.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.26s
[INFO] running `Command { std: "docker" "inspect" "4914b433e688d71eedffe3d5d6865b8edd11f72364ce7e57664b7667f22b82b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4914b433e688d71eedffe3d5d6865b8edd11f72364ce7e57664b7667f22b82b0", kill_on_drop: false }`
[INFO] [stdout] 4914b433e688d71eedffe3d5d6865b8edd11f72364ce7e57664b7667f22b82b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a9fb1fb4eebccb6d4825d07fcd40d5797399b9fc733563964abaee997cbbdd17
[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" "a9fb1fb4eebccb6d4825d07fcd40d5797399b9fc733563964abaee997cbbdd17", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling introsort v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "a9fb1fb4eebccb6d4825d07fcd40d5797399b9fc733563964abaee997cbbdd17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9fb1fb4eebccb6d4825d07fcd40d5797399b9fc733563964abaee997cbbdd17", kill_on_drop: false }`
[INFO] [stdout] a9fb1fb4eebccb6d4825d07fcd40d5797399b9fc733563964abaee997cbbdd17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 3bbf8bb2ddfd9525295f2ac19feb1c34b19ccf77be6a872a7ebe54c93f5d12fc
[INFO] running `Command { std: "docker" "start" "-a" "3bbf8bb2ddfd9525295f2ac19feb1c34b19ccf77be6a872a7ebe54c93f5d12fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-1b85554ba55e83c5)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_introsort ... ok
[INFO] [stdout] test test_heapsort ... ok
[INFO] [stdout] test test_insertion_sort ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.67s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running tests/test-floats.rs (/opt/rustwide/target/debug/deps/test_floats-40029e7fe884ee6f)
[INFO] [stdout] test bench::test_sort_few_zeros ... ok
[INFO] [stdout] test bench::test_sort_zeros ... ok
[INFO] [stdout] test bench::test_sort_floats ... ok
[INFO] [stderr]    Doc-tests introsort
[INFO] [stdout] test bench::test_sort_random_floats ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "3bbf8bb2ddfd9525295f2ac19feb1c34b19ccf77be6a872a7ebe54c93f5d12fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbf8bb2ddfd9525295f2ac19feb1c34b19ccf77be6a872a7ebe54c93f5d12fc", kill_on_drop: false }`
[INFO] [stdout] 3bbf8bb2ddfd9525295f2ac19feb1c34b19ccf77be6a872a7ebe54c93f5d12fc