[INFO] crate num-rational 0.3.0 is already in cache
[INFO] testing num-rational-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate num-rational 0.3.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate num-rational 0.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate num-rational 0.3.0
[INFO] finished tweaking crates.io crate num-rational 0.3.0
[INFO] tweaked toml for crates.io crate num-rational 0.3.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f7ce1fa7c93b1045a13373be0e412a7ac8ea8a88dbffc2e0d46496a0bc76832
[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" "2f7ce1fa7c93b1045a13373be0e412a7ac8ea8a88dbffc2e0d46496a0bc76832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f7ce1fa7c93b1045a13373be0e412a7ac8ea8a88dbffc2e0d46496a0bc76832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f7ce1fa7c93b1045a13373be0e412a7ac8ea8a88dbffc2e0d46496a0bc76832", kill_on_drop: false }`
[INFO] [stdout] 2f7ce1fa7c93b1045a13373be0e412a7ac8ea8a88dbffc2e0d46496a0bc76832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4306b718b243e8c83c89c960c4ad9835998d08c15a28c22f6570664529c2f26
[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" "d4306b718b243e8c83c89c960c4ad9835998d08c15a28c22f6570664529c2f26", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "d4306b718b243e8c83c89c960c4ad9835998d08c15a28c22f6570664529c2f26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4306b718b243e8c83c89c960c4ad9835998d08c15a28c22f6570664529c2f26", kill_on_drop: false }`
[INFO] [stdout] d4306b718b243e8c83c89c960c4ad9835998d08c15a28c22f6570664529c2f26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69fcb4999668c83239e67121c7c7d09049316f942d29b7897d60a68f9bedf9c9
[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" "69fcb4999668c83239e67121c7c7d09049316f942d29b7897d60a68f9bedf9c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-rational v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "69fcb4999668c83239e67121c7c7d09049316f942d29b7897d60a68f9bedf9c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69fcb4999668c83239e67121c7c7d09049316f942d29b7897d60a68f9bedf9c9", kill_on_drop: false }`
[INFO] [stdout] 69fcb4999668c83239e67121c7c7d09049316f942d29b7897d60a68f9bedf9c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aae4280ee089da15fe175023631fec9c8756aa038e0e9705d14688bd58bb236c
[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" "aae4280ee089da15fe175023631fec9c8756aa038e0e9705d14688bd58bb236c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num_rational-4f1ae2b70be6701e
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test test::arith::test_add_overflow ... ok
[INFO] [stdout] test test::arith::test_checked_min ... ok
[INFO] [stdout] test test::arith::test_checked_zeros ... ok
[INFO] [stdout] test test::arith::test_checked_max ... ok
[INFO] [stdout] test test::arith::test_neg ... ok
[INFO] [stdout] test test::arith::test_mul_overflow ... ok
[INFO] [stdout] test test::arith::test_sub_overflow ... ok
[INFO] [stdout] test test::arith::test_rem_overflow ... ok
[INFO] [stdout] test test::arith::test_div_overflow ... ok
[INFO] [stdout] test test::arith::test_rem ... ok
[INFO] [stdout] test test::arith::test_sub ... ok
[INFO] [stdout] test test::test_approximate_float ... ok
[INFO] [stdout] test test::test_cmp ... ok
[INFO] [stdout] test test::arith::test_zero ... ok
[INFO] [stdout] test test::ratio_iter_sum ... ok
[INFO] [stdout] test test::ratio_iter_product ... ok
[INFO] [stdout] test test::arith::test_checked_min_max ... ok
[INFO] [stdout] test test::arith::test_checked_failures ... ok
[INFO] [stdout] test test::test_cmp_overflow ... ok
[INFO] [stdout] test test::arith::test_mul ... ok
[INFO] [stdout] test test::test_const ... ok
[INFO] [stdout] test test::test_denom ... ok
[INFO] [stdout] test test::test_fract ... ok
[INFO] [stdout] test test::test_big_ratio_to_f64 ... ok
[INFO] [stdout] test test::arith::test_div ... ok
[INFO] [stdout] test test::test_from_float ... ok
[INFO] [stdout] test test::arith::test_add ... ok
[INFO] [stdout] test test::test_num_zero ... ok
[INFO] [stdout] test test::test_num_one ... ok
[INFO] [stdout] test test::test_is_integer ... ok
[INFO] [stdout] test test::test_numer ... ok
[INFO] [stdout] test test::test_ratio_to_f64 ... ok
[INFO] [stdout] test test::test_ratio_to_i64 ... ok
[INFO] [stdout] test test::test_into_pair ... ok
[INFO] [stdout] test test::test_ratio_to_i128 ... ok
[INFO] [stdout] test test::test_from_float_fail ... ok
[INFO] [stdout] test test::test_new_reduce ... ok
[INFO] [stdout] test test::test_to_integer ... ok
[INFO] [stdout] test test::test_test_constants ... ok
[INFO] [stdout] test test::test_pow ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_from_pair ... ok
[INFO] [stdout] test test::test_to_from_str ... ok
[INFO] [stdout] test test::test_signed ... ok
[INFO] [stdout] test test::test_from_str_fail ... ok
[INFO] [stdout] test test::test_recip ... ok
[INFO] [stdout] test test::test_show ... ok
[INFO] [stdout] test test::test_round ... ok
[INFO] [stdout] test test::arith::test_div_0 ... ok
[INFO] [stdout] test test::test_recip_fail ... ok
[INFO] [stdout] test test::test_new_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests num-rational
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "aae4280ee089da15fe175023631fec9c8756aa038e0e9705d14688bd58bb236c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae4280ee089da15fe175023631fec9c8756aa038e0e9705d14688bd58bb236c", kill_on_drop: false }`
[INFO] [stdout] aae4280ee089da15fe175023631fec9c8756aa038e0e9705d14688bd58bb236c