[INFO] fetching crate memo_int_sqrt 0.1.1...
[INFO] testing memo_int_sqrt-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate memo_int_sqrt 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate memo_int_sqrt 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 memo_int_sqrt 0.1.1
[INFO] finished tweaking crates.io crate memo_int_sqrt 0.1.1
[INFO] tweaked toml for crates.io crate memo_int_sqrt 0.1.1 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9adeab4b996f8b2d0315fe5f7a9649670d147c2aeb17d21a834fc0ca4bddca62
[INFO] running `Command { std: "docker" "start" "-a" "9adeab4b996f8b2d0315fe5f7a9649670d147c2aeb17d21a834fc0ca4bddca62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9adeab4b996f8b2d0315fe5f7a9649670d147c2aeb17d21a834fc0ca4bddca62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9adeab4b996f8b2d0315fe5f7a9649670d147c2aeb17d21a834fc0ca4bddca62", kill_on_drop: false }`
[INFO] [stdout] 9adeab4b996f8b2d0315fe5f7a9649670d147c2aeb17d21a834fc0ca4bddca62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 62a60c360a395f0ed205cc9bbbb9fa0375617dc0b8352230e57c969820b7a878
[INFO] running `Command { std: "docker" "start" "-a" "62a60c360a395f0ed205cc9bbbb9fa0375617dc0b8352230e57c969820b7a878", kill_on_drop: false }`
[INFO] [stderr]    Compiling memo_int_sqrt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "62a60c360a395f0ed205cc9bbbb9fa0375617dc0b8352230e57c969820b7a878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62a60c360a395f0ed205cc9bbbb9fa0375617dc0b8352230e57c969820b7a878", kill_on_drop: false }`
[INFO] [stdout] 62a60c360a395f0ed205cc9bbbb9fa0375617dc0b8352230e57c969820b7a878
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d381d0d4162ad659c8a0defe3c71cb5c21f7befd66fb7e57d56e47d2f54c7ac3
[INFO] running `Command { std: "docker" "start" "-a" "d381d0d4162ad659c8a0defe3c71cb5c21f7befd66fb7e57d56e47d2f54c7ac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling memo_int_sqrt v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.74s
[INFO] running `Command { std: "docker" "inspect" "d381d0d4162ad659c8a0defe3c71cb5c21f7befd66fb7e57d56e47d2f54c7ac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d381d0d4162ad659c8a0defe3c71cb5c21f7befd66fb7e57d56e47d2f54c7ac3", kill_on_drop: false }`
[INFO] [stdout] d381d0d4162ad659c8a0defe3c71cb5c21f7befd66fb7e57d56e47d2f54c7ac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 900f15942180c05a8f1abeb7fe4bdb28bcc371ef3305763d4b599350ad36c121
[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" "900f15942180c05a8f1abeb7fe4bdb28bcc371ef3305763d4b599350ad36c121", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memo_int_sqrt-522afbd58ebf1885
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::u128 ... ok
[INFO] [stdout] test test::u32 ... ok
[INFO] [stdout] test test::u8 ... ok
[INFO] [stdout] test test::u64 ... ok
[INFO] [stdout] test test::u16 ... ok
[INFO] [stdout] test test::specific_values ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memo_int_sqrt
[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" "900f15942180c05a8f1abeb7fe4bdb28bcc371ef3305763d4b599350ad36c121", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900f15942180c05a8f1abeb7fe4bdb28bcc371ef3305763d4b599350ad36c121", kill_on_drop: false }`
[INFO] [stdout] 900f15942180c05a8f1abeb7fe4bdb28bcc371ef3305763d4b599350ad36c121