[INFO] fetching crate tester 0.8.0...
[INFO] testing tester-0.8.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tester 0.8.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate tester 0.8.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tester 0.8.0
[INFO] finished tweaking crates.io crate tester 0.8.0
[INFO] tweaked toml for crates.io crate tester 0.8.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] a1a15d871def2d086393f856be96ae740355dd4be005e37e550125dbf858af89
[INFO] running `Command { std: "docker" "start" "-a" "a1a15d871def2d086393f856be96ae740355dd4be005e37e550125dbf858af89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1a15d871def2d086393f856be96ae740355dd4be005e37e550125dbf858af89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1a15d871def2d086393f856be96ae740355dd4be005e37e550125dbf858af89", kill_on_drop: false }`
[INFO] [stdout] a1a15d871def2d086393f856be96ae740355dd4be005e37e550125dbf858af89
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ff67978906253062021e9c5fee24eb58fe198ac276797e44b8ac51ab00b51e3
[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" "8ff67978906253062021e9c5fee24eb58fe198ac276797e44b8ac51ab00b51e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling tester v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.40s
[INFO] running `Command { std: "docker" "inspect" "8ff67978906253062021e9c5fee24eb58fe198ac276797e44b8ac51ab00b51e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff67978906253062021e9c5fee24eb58fe198ac276797e44b8ac51ab00b51e3", kill_on_drop: false }`
[INFO] [stdout] 8ff67978906253062021e9c5fee24eb58fe198ac276797e44b8ac51ab00b51e3
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ea620b4458b7c8728b4a07efb40cc58d05c3e5074a64e3578c59bc8882aca0d
[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" "6ea620b4458b7c8728b4a07efb40cc58d05c3e5074a64e3578c59bc8882aca0d", kill_on_drop: false }`
[INFO] [stderr]    Compiling tester v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "6ea620b4458b7c8728b4a07efb40cc58d05c3e5074a64e3578c59bc8882aca0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea620b4458b7c8728b4a07efb40cc58d05c3e5074a64e3578c59bc8882aca0d", kill_on_drop: false }`
[INFO] [stdout] 6ea620b4458b7c8728b4a07efb40cc58d05c3e5074a64e3578c59bc8882aca0d
[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=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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] 1907fb5e1122498885d719b7b85cd9d575338b677a8d4eaaa81cd3508082d585
[INFO] running `Command { std: "docker" "start" "-a" "1907fb5e1122498885d719b7b85cd9d575338b677a8d4eaaa81cd3508082d585", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 42 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tester-efbc4040d34f34cc
[INFO] [stdout] test stats::tests::test_exp10a ... ok
[INFO] [stdout] test stats::tests::test_exp10b ... ok
[INFO] [stdout] test stats::tests::test_binom25 ... ok
[INFO] [stdout] test stats::tests::test_exp25 ... ok
[INFO] [stdout] test stats::tests::test_min_max_nan ... ok
[INFO] [stdout] test stats::tests::test_norm10narrow ... ok
[INFO] [stdout] test stats::tests::test_norm10medium ... ok
[INFO] [stdout] test stats::tests::test_norm10wide ... ok
[INFO] [stdout] test stats::tests::test_norm25verynarrow ... ok
[INFO] [stdout] test stats::tests::test_sum_f64_between_ints_that_sum_to_0 ... ok
[INFO] [stdout] test stats::tests::test_norm2 ... ok
[INFO] [stdout] test stats::tests::test_sum_f64s ... ok
[INFO] [stdout] test tests::exclude_should_panic_option ... ok
[INFO] [stdout] test tests::filter_for_ignored_option ... ok
[INFO] [stdout] test tests::ignored_tests_result_in_ignored ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda50 ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda30 ... ok
[INFO] [stdout] test stats::tests::test_exp10c ... ok
[INFO] [stdout] test stats::tests::test_pois25lambda40 ... ok
[INFO] [stdout] test tests::parse_ignored_flag ... ok
[INFO] [stdout] test tests::parse_include_ignored_flag ... ok
[INFO] [stdout] test tests::test_bench_once_iter ... ok
[INFO] [stdout] test tests::test_metricmap_compare ... ok
[INFO] [stdout] test tests::test_should_not_report_time ... ok
[INFO] [stdout] test tests::do_not_run_ignored_tests ... ok
[INFO] [stdout] test tests::test_bench_no_iter ... ok
[INFO] [stdout] test tests::exact_filter_match ... ok
[INFO] [stdout] test tests::sort_tests ... ok
[INFO] [stdout] test tests::run_include_ignored_option ... ok
[INFO] [stdout] test stats::tests::test_unif25 ... ok
[INFO] [stdout] test tests::test_bench_once_no_iter ... ok
[INFO] [stdout] test tests::parse_show_output_flag ... ok
[INFO] [stdout] test tests::test_should_panic_but_succeeds ... ok
[INFO] [stdout] test tests::test_time_options_threshold ... ok
[INFO] [stdout] test tests::test_error_on_exceed ... ok
[INFO] [stdout] test tests::should_sort_failures_before_printing_them ... ok
[INFO] [stdout] test tests::test_should_report_time ... ok
[INFO] [stdout] test tests::test_should_panic_bad_message ... ok
[INFO] [stdout] test tests::test_should_panic_non_string_message_type ... ok
[INFO] [stdout] test tests::test_should_panic ... ok
[INFO] [stdout] test tests::test_should_panic_good_message ... ok
[INFO] [stdout] test tests::test_bench_iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 42 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.93s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tester
[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" "1907fb5e1122498885d719b7b85cd9d575338b677a8d4eaaa81cd3508082d585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1907fb5e1122498885d719b7b85cd9d575338b677a8d4eaaa81cd3508082d585", kill_on_drop: false }`
[INFO] [stdout] 1907fb5e1122498885d719b7b85cd9d575338b677a8d4eaaa81cd3508082d585