[INFO] fetching crate polynomint 0.5.3...
[INFO] testing polynomint-0.5.3 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate polynomint 0.5.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate polynomint 0.5.3 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] started tweaking crates.io crate polynomint 0.5.3
[INFO] finished tweaking crates.io crate polynomint 0.5.3
[INFO] tweaked toml for crates.io crate polynomint 0.5.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 657071fe815641655d02612f38edcd2d12121f6aef999aa7ee2ee311a1dfe580
[INFO] running `Command { std: "docker" "start" "-a" "657071fe815641655d02612f38edcd2d12121f6aef999aa7ee2ee311a1dfe580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "657071fe815641655d02612f38edcd2d12121f6aef999aa7ee2ee311a1dfe580", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657071fe815641655d02612f38edcd2d12121f6aef999aa7ee2ee311a1dfe580", kill_on_drop: false }`
[INFO] [stdout] 657071fe815641655d02612f38edcd2d12121f6aef999aa7ee2ee311a1dfe580
[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=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] feb205aa69a2af52ae24ebc97405422404181d95c5ad55428018b2d40c92cfc1
[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" "feb205aa69a2af52ae24ebc97405422404181d95c5ad55428018b2d40c92cfc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `Command { std: "docker" "inspect" "feb205aa69a2af52ae24ebc97405422404181d95c5ad55428018b2d40c92cfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feb205aa69a2af52ae24ebc97405422404181d95c5ad55428018b2d40c92cfc1", kill_on_drop: false }`
[INFO] [stdout] feb205aa69a2af52ae24ebc97405422404181d95c5ad55428018b2d40c92cfc1
[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=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] e20d08ee31a8f930f34795397371d991ad5c7db7dca5a642e80339219b604c50
[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" "e20d08ee31a8f930f34795397371d991ad5c7db7dca5a642e80339219b604c50", kill_on_drop: false }`
[INFO] [stderr]    Compiling polynomint v0.5.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "e20d08ee31a8f930f34795397371d991ad5c7db7dca5a642e80339219b604c50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e20d08ee31a8f930f34795397371d991ad5c7db7dca5a642e80339219b604c50", kill_on_drop: false }`
[INFO] [stdout] e20d08ee31a8f930f34795397371d991ad5c7db7dca5a642e80339219b604c50
[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=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] 7b2e3ce68557892e1d85605005c81dc63d3ecab91ffeb3b3ac7cadeef7cf34e4
[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" "7b2e3ce68557892e1d85605005c81dc63d3ecab91ffeb3b3ac7cadeef7cf34e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/polynomint-6462ab448df3f00f)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests polynomint
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root (line 106) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root_mod (line 191) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::times_x (line 7) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::is_zero (line 89) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::rem_euclid (line 25) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::eval (line 75) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::factor_root (line 144) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial (line 13) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::degree (line 69) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::derivative (line 50) ... ok
[INFO] [stdout] test src/lib.rs - Polynomial::new (line 38) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter (line 17) ... ok
[INFO] [stdout] test src/iter.rs - iter::Polynomial::iter_mut (line 37) ... ok
[INFO] [stdout] test src/math.rs - math::Polynomial::has_root_mod (line 123) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b2e3ce68557892e1d85605005c81dc63d3ecab91ffeb3b3ac7cadeef7cf34e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b2e3ce68557892e1d85605005c81dc63d3ecab91ffeb3b3ac7cadeef7cf34e4", kill_on_drop: false }`
[INFO] [stdout] 7b2e3ce68557892e1d85605005c81dc63d3ecab91ffeb3b3ac7cadeef7cf34e4