[INFO] fetching crate format_num 0.1.0...
[INFO] testing format_num-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate format_num 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate format_num 0.1.0 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 format_num 0.1.0
[INFO] finished tweaking crates.io crate format_num 0.1.0
[INFO] tweaked toml for crates.io crate format_num 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate format_num 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded regex v1.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b43eb40bb45288b1ee30f698675b72955138972721feca91c91c3e103661617c
[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" "b43eb40bb45288b1ee30f698675b72955138972721feca91c91c3e103661617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b43eb40bb45288b1ee30f698675b72955138972721feca91c91c3e103661617c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b43eb40bb45288b1ee30f698675b72955138972721feca91c91c3e103661617c", kill_on_drop: false }`
[INFO] [stdout] b43eb40bb45288b1ee30f698675b72955138972721feca91c91c3e103661617c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12038a7cc8ac51dfe3b467814b2e785d856b751fb37d78cb8a67c934b116b4ba
[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" "12038a7cc8ac51dfe3b467814b2e785d856b751fb37d78cb8a67c934b116b4ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling format_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.15s
[INFO] running `Command { std: "docker" "inspect" "12038a7cc8ac51dfe3b467814b2e785d856b751fb37d78cb8a67c934b116b4ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12038a7cc8ac51dfe3b467814b2e785d856b751fb37d78cb8a67c934b116b4ba", kill_on_drop: false }`
[INFO] [stdout] 12038a7cc8ac51dfe3b467814b2e785d856b751fb37d78cb8a67c934b116b4ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a08b12733e8845490676176c036e480e092b54d15b25b6aae3cf3f88ef25719
[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" "8a08b12733e8845490676176c036e480e092b54d15b25b6aae3cf3f88ef25719", kill_on_drop: false }`
[INFO] [stderr]    Compiling format_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "8a08b12733e8845490676176c036e480e092b54d15b25b6aae3cf3f88ef25719", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a08b12733e8845490676176c036e480e092b54d15b25b6aae3cf3f88ef25719", kill_on_drop: false }`
[INFO] [stdout] 8a08b12733e8845490676176c036e480e092b54d15b25b6aae3cf3f88ef25719
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] a41c902627dc413ace99f18f32086adacc506a48ea92ec85cd0fe4549de8e31f
[INFO] running `Command { std: "docker" "start" "-a" "a41c902627dc413ace99f18f32086adacc506a48ea92ec85cd0fe4549de8e31f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 30 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/format_num-9592132c38cdc3a1
[INFO] [stdout] test tests::grouping ... ok
[INFO] [stdout] test tests::negative_zero_correct_formatting ... ok
[INFO] [stdout] test tests::initialization ... ok
[INFO] [stdout] test tests::percentage_forms ... ok
[INFO] [stdout] test tests::decimal_alternate_form ... ok
[INFO] [stdout] test tests::default_precision_exp ... ok
[INFO] [stdout] test tests::precision_0_percentage ... ok
[INFO] [stdout] test tests::precision_0 ... ok
[INFO] [stdout] test tests::decimal ... ok
[INFO] [stdout] test tests::precision_2 ... ok
[INFO] [stdout] test tests::alternate_form_exp ... ok
[INFO] [stdout] test tests::precision_gt_0_percentage ... ok
[INFO] [stdout] test tests::si_prefix_grouping ... ok
[INFO] [stdout] test tests::significant_digits ... ok
[INFO] [stdout] test tests::precision_0_exp ... ok
[INFO] [stdout] test tests::si_prefix_default_precision ... ok
[INFO] [stdout] test tests::si_prefix_numbers_bigger_than_one_yotta ... ok
[INFO] [stdout] test tests::si_prefix_numbers_smaller_than_one_yocto ... ok
[INFO] [stdout] test tests::precision_1 ... ok
[INFO] [stdout] test tests::bin ... ok
[INFO] [stdout] test tests::zeroes_exp ... ok
[INFO] [stdout] test tests::hex ... ok
[INFO] [stdout] test tests::oct ... ok
[INFO] [stdout] test tests::zeroes ... ok
[INFO] [stdout] test tests::precision_2_exp ... ok
[INFO] [stdout] test tests::si_prefix_consistent_for_small_and_big_numbers ... ok
[INFO] [stdout] test tests::small_ints ... ok
[INFO] [stdout] test tests::si_prefix_custom_precision ... ok
[INFO] [stdout] test tests::precision_1_exp ... ok
[INFO] [stdout] test tests::default_precision ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests format_num
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 5) ... ok
[INFO] [stdout] test src/lib.rs - format_num (line 597) ... ok
[INFO] [stdout] test src/lib.rs - (line 106) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.40s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a41c902627dc413ace99f18f32086adacc506a48ea92ec85cd0fe4549de8e31f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a41c902627dc413ace99f18f32086adacc506a48ea92ec85cd0fe4549de8e31f", kill_on_drop: false }`
[INFO] [stdout] a41c902627dc413ace99f18f32086adacc506a48ea92ec85cd0fe4549de8e31f