[INFO] fetching crate overload 0.1.1...
[INFO] testing overload-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate overload 0.1.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate overload 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate overload 0.1.1
[INFO] finished tweaking crates.io crate overload 0.1.1
[INFO] tweaked toml for crates.io crate overload 0.1.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceb66411223916d2b4c36e17f9bd2043044b932a873b603e0d08a842a4b25c3d
[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" "ceb66411223916d2b4c36e17f9bd2043044b932a873b603e0d08a842a4b25c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceb66411223916d2b4c36e17f9bd2043044b932a873b603e0d08a842a4b25c3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceb66411223916d2b4c36e17f9bd2043044b932a873b603e0d08a842a4b25c3d", kill_on_drop: false }`
[INFO] [stdout] ceb66411223916d2b4c36e17f9bd2043044b932a873b603e0d08a842a4b25c3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 157fa25d3cb0c65d20e7626436dd07039dd921a1d0c648d5d52d3fd29a4c1f01
[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" "157fa25d3cb0c65d20e7626436dd07039dd921a1d0c648d5d52d3fd29a4c1f01", kill_on_drop: false }`
[INFO] [stderr]    Compiling overload v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "157fa25d3cb0c65d20e7626436dd07039dd921a1d0c648d5d52d3fd29a4c1f01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "157fa25d3cb0c65d20e7626436dd07039dd921a1d0c648d5d52d3fd29a4c1f01", kill_on_drop: false }`
[INFO] [stdout] 157fa25d3cb0c65d20e7626436dd07039dd921a1d0c648d5d52d3fd29a4c1f01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 65754eaaf051e5fdc5a5a3ca096a28199ac8f6c1e4f16bfba37a6bdbfedd8117
[INFO] running `Command { std: "docker" "start" "-a" "65754eaaf051e5fdc5a5a3ca096a28199ac8f6c1e4f16bfba37a6bdbfedd8117", kill_on_drop: false }`
[INFO] [stderr]    Compiling overload v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "65754eaaf051e5fdc5a5a3ca096a28199ac8f6c1e4f16bfba37a6bdbfedd8117", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65754eaaf051e5fdc5a5a3ca096a28199ac8f6c1e4f16bfba37a6bdbfedd8117", kill_on_drop: false }`
[INFO] [stdout] 65754eaaf051e5fdc5a5a3ca096a28199ac8f6c1e4f16bfba37a6bdbfedd8117
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 02760854f5b7587ba41e0ee3aa35ca466e77776d9c6d3114be9fa05a7552f689
[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" "02760854f5b7587ba41e0ee3aa35ca466e77776d9c6d3114be9fa05a7552f689", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/overload-a33b9cc67757d030
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assignment-7961942f418bc2e4
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test bitor_assign ... ok
[INFO] [stdout] test bitand_assign ... ok
[INFO] [stdout] test add_assign ... ok
[INFO] [stdout] test rem_assign ... ok
[INFO] [stdout] test mul_assign ... ok
[INFO] [stdout] test shl_assign ... ok
[INFO] [stdout] test shr_assign ... ok
[INFO] [stdout] test sub_assign ... ok
[INFO] [stdout] test div_assign ... ok
[INFO] [stdout] test bitxor_assign ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/binary-8f8825c94f4d8568
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test div ... ok
[INFO] [stdout] test bitxor ... ok
[INFO] [stdout] test shl ... ok
[INFO] [stdout] test add ... ok
[INFO] [stdout] test rem ... ok
[INFO] [stdout] test mul ... ok
[INFO] [stdout] test bitand ... ok
[INFO] [stdout] test sub ... ok
[INFO] [stdout] test bitor ... ok
[INFO] [stdout] test shr ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/unary-e81e820821c921e6
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test neg ... ok
[INFO] [stdout] test not ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests overload
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test src/lib.rs - (line 146) ... ignored
[INFO] [stdout] test src/lib.rs - (line 169) ... ignored
[INFO] [stdout] test src/lib.rs - (line 190) ... ignored
[INFO] [stdout] test src/lib.rs - (line 31) ... ignored
[INFO] [stdout] test src/lib.rs - (line 94) ... ignored
[INFO] [stdout] test src/lib.rs - (line 41) ... ok
[INFO] [stdout] test src/lib.rs - (line 4) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] test src/lib.rs - (line 56) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 5 ignored; 0 measured; 0 filtered out; finished in 2.77s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "02760854f5b7587ba41e0ee3aa35ca466e77776d9c6d3114be9fa05a7552f689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02760854f5b7587ba41e0ee3aa35ca466e77776d9c6d3114be9fa05a7552f689", kill_on_drop: false }`
[INFO] [stdout] 02760854f5b7587ba41e0ee3aa35ca466e77776d9c6d3114be9fa05a7552f689