[INFO] fetching crate to_precision 0.1.2...
[INFO] testing to_precision-0.1.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate to_precision 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate to_precision 0.1.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate to_precision 0.1.2
[INFO] finished tweaking crates.io crate to_precision 0.1.2
[INFO] tweaked toml for crates.io crate to_precision 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9612861fdbe04f76ffd929024bbb56f4922cf8aff9382b99aeee1039d573e3c
[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" "b9612861fdbe04f76ffd929024bbb56f4922cf8aff9382b99aeee1039d573e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9612861fdbe04f76ffd929024bbb56f4922cf8aff9382b99aeee1039d573e3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9612861fdbe04f76ffd929024bbb56f4922cf8aff9382b99aeee1039d573e3c", kill_on_drop: false }`
[INFO] [stdout] b9612861fdbe04f76ffd929024bbb56f4922cf8aff9382b99aeee1039d573e3c
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 56c5d598ca8871f77a1611fd392025956f4dd0237c8e27ce3ff2ddc82f9a3397
[INFO] running `Command { std: "docker" "start" "-a" "56c5d598ca8871f77a1611fd392025956f4dd0237c8e27ce3ff2ddc82f9a3397", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_precision v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "56c5d598ca8871f77a1611fd392025956f4dd0237c8e27ce3ff2ddc82f9a3397", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c5d598ca8871f77a1611fd392025956f4dd0237c8e27ce3ff2ddc82f9a3397", kill_on_drop: false }`
[INFO] [stdout] 56c5d598ca8871f77a1611fd392025956f4dd0237c8e27ce3ff2ddc82f9a3397
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 19ec35a0579e9d20fbfad7ff93d105b54315ea3d6939fe53e01cca755992796d
[INFO] running `Command { std: "docker" "start" "-a" "19ec35a0579e9d20fbfad7ff93d105b54315ea3d6939fe53e01cca755992796d", kill_on_drop: false }`
[INFO] [stderr]    Compiling to_precision v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "19ec35a0579e9d20fbfad7ff93d105b54315ea3d6939fe53e01cca755992796d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ec35a0579e9d20fbfad7ff93d105b54315ea3d6939fe53e01cca755992796d", kill_on_drop: false }`
[INFO] [stdout] 19ec35a0579e9d20fbfad7ff93d105b54315ea3d6939fe53e01cca755992796d
[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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 27964450570f0618824d12eb1f14179a3519ebabe3b48d92ecc8aae39734c560
[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" "27964450570f0618824d12eb1f14179a3519ebabe3b48d92ecc8aae39734c560", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stdout] running 4 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/to_precision-5bf23ca5ce5d89c5)
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test tests::ten_power_leq ... ok
[INFO] [stdout] test tests::to_sig_figs ... ok
[INFO] [stdout] test tests::bad_precision - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests to_precision
[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" "27964450570f0618824d12eb1f14179a3519ebabe3b48d92ecc8aae39734c560", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27964450570f0618824d12eb1f14179a3519ebabe3b48d92ecc8aae39734c560", kill_on_drop: false }`
[INFO] [stdout] 27964450570f0618824d12eb1f14179a3519ebabe3b48d92ecc8aae39734c560