[INFO] fetching crate floatconv 0.2.8...
[INFO] testing floatconv-0.2.8 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate floatconv 0.2.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate floatconv 0.2.8 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 floatconv 0.2.8
[INFO] finished tweaking crates.io crate floatconv 0.2.8
[INFO] tweaked toml for crates.io crate floatconv 0.2.8 written to /workspace/builds/worker-6/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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1f4236a4d191df3cafb94b87843429b2c7df2d87379c58317e50b2b6d9feea2b
[INFO] running `Command { std: "docker" "start" "-a" "1f4236a4d191df3cafb94b87843429b2c7df2d87379c58317e50b2b6d9feea2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4236a4d191df3cafb94b87843429b2c7df2d87379c58317e50b2b6d9feea2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4236a4d191df3cafb94b87843429b2c7df2d87379c58317e50b2b6d9feea2b", kill_on_drop: false }`
[INFO] [stdout] 1f4236a4d191df3cafb94b87843429b2c7df2d87379c58317e50b2b6d9feea2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 14ada366c97bbc4778bd6a1e6fe5d6499311edde74af8111b1d9599b97c52f88
[INFO] running `Command { std: "docker" "start" "-a" "14ada366c97bbc4778bd6a1e6fe5d6499311edde74af8111b1d9599b97c52f88", kill_on_drop: false }`
[INFO] [stderr]    Compiling floatconv v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "14ada366c97bbc4778bd6a1e6fe5d6499311edde74af8111b1d9599b97c52f88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14ada366c97bbc4778bd6a1e6fe5d6499311edde74af8111b1d9599b97c52f88", kill_on_drop: false }`
[INFO] [stdout] 14ada366c97bbc4778bd6a1e6fe5d6499311edde74af8111b1d9599b97c52f88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] a876536cebb2730b2c074b1a573d868e1f7a5b80107ea27114bc70858bffafc3
[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" "a876536cebb2730b2c074b1a573d868e1f7a5b80107ea27114bc70858bffafc3", kill_on_drop: false }`
[INFO] [stderr]    Compiling floatconv v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "a876536cebb2730b2c074b1a573d868e1f7a5b80107ea27114bc70858bffafc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a876536cebb2730b2c074b1a573d868e1f7a5b80107ea27114bc70858bffafc3", kill_on_drop: false }`
[INFO] [stdout] a876536cebb2730b2c074b1a573d868e1f7a5b80107ea27114bc70858bffafc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 81d97e9e0f3978fc4e7abaa05ca778a116e05a844a8caa2a03d011af0aada7e3
[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" "81d97e9e0f3978fc4e7abaa05ca778a116e05a844a8caa2a03d011af0aada7e3", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 10 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/floatconv-d2c7896d2360d8df
[INFO] [stdout] test test::test_all_from_f32 ... ignored
[INFO] [stdout] test test::test_all_from_u32 ... ignored
[INFO] [stdout] test test::test_all_from_u8 ... ok
[INFO] [stdout] test test::test_i32 ... ok
[INFO] [stdout] test test::test_i64 ... ok
[INFO] [stdout] test test::test_u128 ... ok
[INFO] [stdout] test test::test_u32 ... ok
[INFO] [stdout] test test::test_u64 ... ok
[INFO] [stdout] test test::test_i128 ... ok
[INFO] [stderr]    Doc-tests floatconv
[INFO] [stdout] test test::test_all_from_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.03s
[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" "81d97e9e0f3978fc4e7abaa05ca778a116e05a844a8caa2a03d011af0aada7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81d97e9e0f3978fc4e7abaa05ca778a116e05a844a8caa2a03d011af0aada7e3", kill_on_drop: false }`
[INFO] [stdout] 81d97e9e0f3978fc4e7abaa05ca778a116e05a844a8caa2a03d011af0aada7e3