[INFO] fetching crate fixed-sqrt 0.2.4...
[INFO] testing fixed-sqrt-0.2.4 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate fixed-sqrt 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate fixed-sqrt 0.2.4 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/rust-toolchain
[INFO] started tweaking crates.io crate fixed-sqrt 0.2.4
[INFO] finished tweaking crates.io crate fixed-sqrt 0.2.4
[INFO] tweaked toml for crates.io crate fixed-sqrt 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate fixed-sqrt 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c3596d6db54c5fba080ffc7fd38b2279dc3bd158da2c80c10a030cdb8737b601
[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" "c3596d6db54c5fba080ffc7fd38b2279dc3bd158da2c80c10a030cdb8737b601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3596d6db54c5fba080ffc7fd38b2279dc3bd158da2c80c10a030cdb8737b601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3596d6db54c5fba080ffc7fd38b2279dc3bd158da2c80c10a030cdb8737b601", kill_on_drop: false }`
[INFO] [stdout] c3596d6db54c5fba080ffc7fd38b2279dc3bd158da2c80c10a030cdb8737b601
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f92e387e988c1f530ac8b7c6321e719feba6451e3308ad0fcd190c9e88d741f
[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" "3f92e387e988c1f530ac8b7c6321e719feba6451e3308ad0fcd190c9e88d741f", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed v1.1.0
[INFO] [stderr]    Compiling integer-sqrt v0.1.3
[INFO] [stderr]    Compiling fixed-sqrt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "3f92e387e988c1f530ac8b7c6321e719feba6451e3308ad0fcd190c9e88d741f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f92e387e988c1f530ac8b7c6321e719feba6451e3308ad0fcd190c9e88d741f", kill_on_drop: false }`
[INFO] [stdout] 3f92e387e988c1f530ac8b7c6321e719feba6451e3308ad0fcd190c9e88d741f
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 819f853c03737a6354e2cc846e8675f30941cc2ef0da0746a3ff7472b5d9665a
[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" "819f853c03737a6354e2cc846e8675f30941cc2ef0da0746a3ff7472b5d9665a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling fixed-sqrt v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.36s
[INFO] running `Command { std: "docker" "inspect" "819f853c03737a6354e2cc846e8675f30941cc2ef0da0746a3ff7472b5d9665a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "819f853c03737a6354e2cc846e8675f30941cc2ef0da0746a3ff7472b5d9665a", kill_on_drop: false }`
[INFO] [stdout] 819f853c03737a6354e2cc846e8675f30941cc2ef0da0746a3ff7472b5d9665a
[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" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 52ffe2fcf903cc34d02f839bff5e3a4bab23b3f449b1fa70dbd9fad84b193ad4
[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" "52ffe2fcf903cc34d02f839bff5e3a4bab23b3f449b1fa70dbd9fad84b193ad4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/fixed_sqrt-1b7c1913171919b2)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_sqrt_max ... ok
[INFO] [stdout] test tests::test_sqrt ... ok
[INFO] [stdout] test tests::test_sqrt_negative - should panic ... ok
[INFO] [stdout] test tests::test_sqrt_signed_exhaustive ... ok
[INFO] [stdout] test tests::test_sqrt_unsigned_exhaustive ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.51s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fixed-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" "52ffe2fcf903cc34d02f839bff5e3a4bab23b3f449b1fa70dbd9fad84b193ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52ffe2fcf903cc34d02f839bff5e3a4bab23b3f449b1fa70dbd9fad84b193ad4", kill_on_drop: false }`
[INFO] [stdout] 52ffe2fcf903cc34d02f839bff5e3a4bab23b3f449b1fa70dbd9fad84b193ad4