[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 1.49.0 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-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umcconnell/changers on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-9/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" "+1.49.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "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] 60e5412710f52c305083be83e8c8898c2b6d1d06c23aa9b8200645d3953bb75f
[INFO] running `Command { std: "docker" "start" "-a" "60e5412710f52c305083be83e8c8898c2b6d1d06c23aa9b8200645d3953bb75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60e5412710f52c305083be83e8c8898c2b6d1d06c23aa9b8200645d3953bb75f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e5412710f52c305083be83e8c8898c2b6d1d06c23aa9b8200645d3953bb75f", kill_on_drop: false }`
[INFO] [stdout] 60e5412710f52c305083be83e8c8898c2b6d1d06c23aa9b8200645d3953bb75f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0fd60cd019707c5308cb30849ca747464e7b498f5717d73a61af24e45b71136d
[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" "0fd60cd019707c5308cb30849ca747464e7b498f5717d73a61af24e45b71136d", kill_on_drop: false }`
[INFO] [stderr]    Compiling changers v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "0fd60cd019707c5308cb30849ca747464e7b498f5717d73a61af24e45b71136d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd60cd019707c5308cb30849ca747464e7b498f5717d73a61af24e45b71136d", kill_on_drop: false }`
[INFO] [stdout] 0fd60cd019707c5308cb30849ca747464e7b498f5717d73a61af24e45b71136d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08129d126713040c4869461c9fd93fd2e454a567876c636d8c8020916ae7771d
[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" "08129d126713040c4869461c9fd93fd2e454a567876c636d8c8020916ae7771d", kill_on_drop: false }`
[INFO] [stderr]    Compiling changers v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "08129d126713040c4869461c9fd93fd2e454a567876c636d8c8020916ae7771d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08129d126713040c4869461c9fd93fd2e454a567876c636d8c8020916ae7771d", kill_on_drop: false }`
[INFO] [stdout] 08129d126713040c4869461c9fd93fd2e454a567876c636d8c8020916ae7771d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 134a57cb293de86df5343772810d91a679f7d329717573a7f1bc545d16259b83
[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" "134a57cb293de86df5343772810d91a679f7d329717573a7f1bc545d16259b83", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 9 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/changers-852869f69d8af1e4
[INFO] [stdout] test logic::change::tests::test_amount_coins_reachable ... ok
[INFO] [stdout] test logic::change::tests::test_amount_coins_unreachable ... 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::coins::tests::test_normalize_coins ... ok
[INFO] [stdout] test logic::coins::tests::test_normalize_unreachable ... ok
[INFO] [stdout] test logic::decimals::tests::test_precision ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/changers-bb7c911b8a059527
[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] [stderr]      Running /opt/rustwide/target/debug/deps/integration_test-b5c49984b162324d
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests changers
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_change_impossible2 ... ok
[INFO] [stdout] test test_change_possible ... ok
[INFO] [stdout] test test_change_impossible ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 57) ... ok
[INFO] [stdout] test src/logic/change.rs - logic::change::make_change (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 4 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "134a57cb293de86df5343772810d91a679f7d329717573a7f1bc545d16259b83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "134a57cb293de86df5343772810d91a679f7d329717573a7f1bc545d16259b83", kill_on_drop: false }`
[INFO] [stdout] 134a57cb293de86df5343772810d91a679f7d329717573a7f1bc545d16259b83