[INFO] fetching crate poly 0.1.0...
[INFO] testing poly-0.1.0 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate poly 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate poly 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate poly 0.1.0
[INFO] finished tweaking crates.io crate poly 0.1.0
[INFO] tweaked toml for crates.io crate poly 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate poly 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ad097c63abec224e6e5a91a0717e7190de77efeac2f4c14f6b91b4115d41281c
[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" "ad097c63abec224e6e5a91a0717e7190de77efeac2f4c14f6b91b4115d41281c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad097c63abec224e6e5a91a0717e7190de77efeac2f4c14f6b91b4115d41281c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad097c63abec224e6e5a91a0717e7190de77efeac2f4c14f6b91b4115d41281c", kill_on_drop: false }`
[INFO] [stdout] ad097c63abec224e6e5a91a0717e7190de77efeac2f4c14f6b91b4115d41281c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "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] 2c4a7956e66f93f49f378ade96bb06192c50edc663e32ea903290de906aa5df1
[INFO] running `Command { std: "docker" "start" "-a" "2c4a7956e66f93f49f378ade96bb06192c50edc663e32ea903290de906aa5df1", kill_on_drop: false }`
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.51s
[INFO] running `Command { std: "docker" "inspect" "2c4a7956e66f93f49f378ade96bb06192c50edc663e32ea903290de906aa5df1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c4a7956e66f93f49f378ade96bb06192c50edc663e32ea903290de906aa5df1", kill_on_drop: false }`
[INFO] [stdout] 2c4a7956e66f93f49f378ade96bb06192c50edc663e32ea903290de906aa5df1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2eb96a06811e141cd17ff0cdb153e893446b2354f08aa2207c8319282e4d5b48
[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" "2eb96a06811e141cd17ff0cdb153e893446b2354f08aa2207c8319282e4d5b48", kill_on_drop: false }`
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "2eb96a06811e141cd17ff0cdb153e893446b2354f08aa2207c8319282e4d5b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb96a06811e141cd17ff0cdb153e893446b2354f08aa2207c8319282e4d5b48", kill_on_drop: false }`
[INFO] [stdout] 2eb96a06811e141cd17ff0cdb153e893446b2354f08aa2207c8319282e4d5b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc941ccb1e744b3b04f3d9c85a17b00a68fa669e5178c1310e4c9742670e50ad
[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" "bc941ccb1e744b3b04f3d9c85a17b00a68fa669e5178c1310e4c9742670e50ad", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poly-5ac30d4ec320e166)
[INFO] [stdout] running 15 tests
[INFO] [stdout] test add::tests::test_add ... ok
[INFO] [stdout] test add::tests::test_add_assign ... ok
[INFO] [stdout] test display::tests::test_display ... ok
[INFO] [stdout] test mul::tests::test_mul_scalar ... ok
[INFO] [stdout] test mul::tests::test_mul ... ok
[INFO] [stdout] test mul::tests::test_mul_assign ... ok
[INFO] [stdout] test tests::test_new ... ok
[INFO] [stdout] test tests::test_eval_substitution ... ok
[INFO] [stdout] test sub::tests::test_neg ... ok
[INFO] [stdout] test tests::test_eval_der ... ok
[INFO] [stdout] test sub::tests::test_sub_assign ... ok
[INFO] [stdout] test sub::tests::test_sub ... ok
[INFO] [stdout] test tests::test_div_rem ... ok
[INFO] [stdout] test tests::test_eval ... ok
[INFO] [stdout] test tests::test_div_rem_zero - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests poly
[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" "bc941ccb1e744b3b04f3d9c85a17b00a68fa669e5178c1310e4c9742670e50ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc941ccb1e744b3b04f3d9c85a17b00a68fa669e5178c1310e4c9742670e50ad", kill_on_drop: false }`
[INFO] [stdout] bc941ccb1e744b3b04f3d9c85a17b00a68fa669e5178c1310e4c9742670e50ad
