[INFO] crate num-rational 0.2.4 is already in cache
[INFO] testing num-rational-0.2.4 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate num-rational 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate num-rational 0.2.4 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate num-rational 0.2.4
[INFO] finished tweaking crates.io crate num-rational 0.2.4
[INFO] tweaked toml for crates.io crate num-rational 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e2e57d59eba46113f898082358fb121970d75e01f1332d3510227d5b4ec95612
[INFO] running `"docker" "start" "-a" "e2e57d59eba46113f898082358fb121970d75e01f1332d3510227d5b4ec95612"`
[INFO] [stderr]    Compiling autocfg v1.0.0
[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-rational v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `"docker" "inspect" "e2e57d59eba46113f898082358fb121970d75e01f1332d3510227d5b4ec95612"`
[INFO] running `"docker" "rm" "-f" "e2e57d59eba46113f898082358fb121970d75e01f1332d3510227d5b4ec95612"`
[INFO] [stdout] e2e57d59eba46113f898082358fb121970d75e01f1332d3510227d5b4ec95612
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stdout] 577594f0c20def50a445dc398c8f0fc9e41434c702397976a0d9280ae6d94ce4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "577594f0c20def50a445dc398c8f0fc9e41434c702397976a0d9280ae6d94ce4"`
[INFO] [stderr]    Compiling num-rational v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.39s
[INFO] running `"docker" "inspect" "577594f0c20def50a445dc398c8f0fc9e41434c702397976a0d9280ae6d94ce4"`
[INFO] running `"docker" "rm" "-f" "577594f0c20def50a445dc398c8f0fc9e41434c702397976a0d9280ae6d94ce4"`
[INFO] [stdout] 577594f0c20def50a445dc398c8f0fc9e41434c702397976a0d9280ae6d94ce4
[INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7dfbb23e1bb35a3d668b80608cb9926e6862258571f79cf551061c26d6a82db6
[INFO] running `"docker" "start" "-a" "7dfbb23e1bb35a3d668b80608cb9926e6862258571f79cf551061c26d6a82db6"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/num_rational-d94f08ce61e3d68e
[INFO] [stdout] 
[INFO] [stdout] running 47 tests
[INFO] [stdout] test test::arith::test_add_overflow ... ok
[INFO] [stdout] test test::arith::test_checked_failures ... ok
[INFO] [stdout] test test::arith::test_add ... ok
[INFO] [stdout] test test::arith::test_checked_zeros ... ok
[INFO] [stdout] test test::arith::test_checked_min_max ... ok
[INFO] [stdout] test test::arith::test_checked_max ... ok
[INFO] [stdout] test test::arith::test_checked_min ... ok
[INFO] [stdout] test test::arith::test_rem ... ok
[INFO] [stdout] test test::arith::test_neg ... ok
[INFO] [stdout] test test::arith::test_div_overflow ... ok
[INFO] [stdout] test test::arith::test_div ... ok
[INFO] [stdout] test test::arith::test_rem_overflow ... ok
[INFO] [stdout] test test::arith::test_mul_overflow ... ok
[INFO] [stdout] test test::arith::test_mul ... ok
[INFO] [stdout] test test::arith::test_sub_overflow ... ok
[INFO] [stdout] test test::arith::test_sub ... ok
[INFO] [stdout] test test::arith::test_zero ... ok
[INFO] [stdout] test test::test_approximate_float ... ok
[INFO] [stdout] test test::test_denom ... ok
[INFO] [stdout] test test::test_cmp_overflow ... ok
[INFO] [stdout] test test::test_const ... ok
[INFO] [stdout] test test::test_fract ... ok
[INFO] [stdout] test test::test_from_float_fail ... ok
[INFO] [stdout] test test::test_from_str_fail ... ok
[INFO] [stdout] test test::test_from_pair ... ok
[INFO] [stdout] test test::ratio_iter_product ... ok
[INFO] [stdout] test test::test_from_float ... ok
[INFO] [stdout] test test::test_into_pair ... ok
[INFO] [stdout] test test::test_new_reduce ... ok
[INFO] [stdout] test test::test_is_integer ... ok
[INFO] [stdout] test test::test_num_one ... ok
[INFO] [stdout] test test::test_numer ... ok
[INFO] [stdout] test test::test_num_zero ... ok
[INFO] [stdout] test test::test_pow ... ok
[INFO] [stdout] test test::test_recip ... ok
[INFO] [stdout] test test::test_show ... ok
[INFO] [stdout] test test::ratio_iter_sum ... ok
[INFO] [stdout] test test::test_cmp ... ok
[INFO] [stdout] test test::test_hash ... ok
[INFO] [stdout] test test::test_round ... ok
[INFO] [stdout] test test::test_test_constants ... ok
[INFO] [stdout] test test::test_to_integer ... ok
[INFO] [stdout] test test::test_signed ... ok
[INFO] [stdout] test test::test_to_from_str ... ok
[INFO] [stdout] test test::arith::test_div_0 ... ok
[INFO] [stdout] test test::test_new_zero ... ok
[INFO] [stdout] test test::test_recip_fail ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 47 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 `"docker" "inspect" "7dfbb23e1bb35a3d668b80608cb9926e6862258571f79cf551061c26d6a82db6"`
[INFO] running `"docker" "rm" "-f" "7dfbb23e1bb35a3d668b80608cb9926e6862258571f79cf551061c26d6a82db6"`
[INFO] [stdout] 7dfbb23e1bb35a3d668b80608cb9926e6862258571f79cf551061c26d6a82db6