[INFO] cloning repository https://github.com/umcconnell/changers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umcconnell/changers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumcconnell%2Fchangers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumcconnell%2Fchangers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b9ffa3392f58aee169d041c2f2cb54721578633d
[INFO] testing umcconnell/changers against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumcconnell%2Fchangers" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umcconnell/changers 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 git repo https://github.com/umcconnell/changers
[INFO] finished tweaking git repo https://github.com/umcconnell/changers
[INFO] tweaked toml for git repo https://github.com/umcconnell/changers written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/umcconnell/changers 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 6dca202a0eb2a80ac834a71e7dd74fd3ae9d6da85c4e4231f1b15fda8e024015
[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" "6dca202a0eb2a80ac834a71e7dd74fd3ae9d6da85c4e4231f1b15fda8e024015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6dca202a0eb2a80ac834a71e7dd74fd3ae9d6da85c4e4231f1b15fda8e024015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dca202a0eb2a80ac834a71e7dd74fd3ae9d6da85c4e4231f1b15fda8e024015", kill_on_drop: false }`
[INFO] [stdout] 6dca202a0eb2a80ac834a71e7dd74fd3ae9d6da85c4e4231f1b15fda8e024015
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4cdca2cde0b740cb077c5756eb45869489dff578118bf0463e62eba5ceca06b9
[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" "4cdca2cde0b740cb077c5756eb45869489dff578118bf0463e62eba5ceca06b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling changers v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
[INFO] running `Command { std: "docker" "inspect" "4cdca2cde0b740cb077c5756eb45869489dff578118bf0463e62eba5ceca06b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cdca2cde0b740cb077c5756eb45869489dff578118bf0463e62eba5ceca06b9", kill_on_drop: false }`
[INFO] [stdout] 4cdca2cde0b740cb077c5756eb45869489dff578118bf0463e62eba5ceca06b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 31f0d688dc8f7c0c4bc881af788c8d858b960376ce4f93d48ce4a01866a83087
[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" "31f0d688dc8f7c0c4bc881af788c8d858b960376ce4f93d48ce4a01866a83087", kill_on_drop: false }`
[INFO] [stderr]    Compiling changers v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "31f0d688dc8f7c0c4bc881af788c8d858b960376ce4f93d48ce4a01866a83087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f0d688dc8f7c0c4bc881af788c8d858b960376ce4f93d48ce4a01866a83087", kill_on_drop: false }`
[INFO] [stdout] 31f0d688dc8f7c0c4bc881af788c8d858b960376ce4f93d48ce4a01866a83087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 5ead8673de8c1c0171dcd35dd3bfc3c05d823133fa55c1f9961b7d64c67cca8a
[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" "5ead8673de8c1c0171dcd35dd3bfc3c05d823133fa55c1f9961b7d64c67cca8a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/changers-19562bb3acb69b8c
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test logic::change::tests::test_amount_coins_reachable ... ok
[INFO] [stdout] test logic::change::tests::test_change_matrix ... ok
[INFO] [stdout] test logic::coins::tests::test_normalize_reachable ... ok
[INFO] [stdout] test logic::decimals::tests::test_precision ... ok
[INFO] [stdout] test logic::coins::tests::test_normalize_unreachable ... ok
[INFO] [stdout] test logic::change::tests::test_amount_coins_unreachable ... ok
[INFO] [stdout] test logic::coins::tests::test_normalize_coins ... ok
[INFO] [stdout] test logic::decimals::tests::test_round ... ok
[INFO] [stdout] test logic::coins::tests::test_longest_coin ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/changers-54981e0ddf608570
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-a584302ba51f8a4c
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_change_impossible2 ... ok
[INFO] [stdout] test test_change_impossible ... ok
[INFO] [stdout] test test_change_possible ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests changers
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/logic/coins.rs - logic::coins::normalize (line 24) ... ignored
[INFO] [stdout] test src/logic/decimals.rs - logic::decimals::precision (line 18) ... ignored
[INFO] [stdout] test src/logic/decimals.rs - logic::decimals::precision (line 25) ... ignored
[INFO] [stdout] test src/logic/decimals.rs - logic::decimals::round (line 5) ... ignored
[INFO] [stdout] test src/logic/change.rs - logic::change::make_change (line 69) ... ok
[INFO] [stdout] test src/logic/change.rs - logic::change::make_change (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out; finished in 0.74s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5ead8673de8c1c0171dcd35dd3bfc3c05d823133fa55c1f9961b7d64c67cca8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ead8673de8c1c0171dcd35dd3bfc3c05d823133fa55c1f9961b7d64c67cca8a", kill_on_drop: false }`
[INFO] [stdout] 5ead8673de8c1c0171dcd35dd3bfc3c05d823133fa55c1f9961b7d64c67cca8a