[INFO] fetching crate luhn 1.0.1...
[INFO] testing luhn-1.0.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate luhn 1.0.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate luhn 1.0.1 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 crates.io crate luhn 1.0.1
[INFO] finished tweaking crates.io crate luhn 1.0.1
[INFO] tweaked toml for crates.io crate luhn 1.0.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 8a16323b9e302b8ea0694846fdd6a35814a04b8304ecddbe5ae5f6fefbe682b1
[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" "8a16323b9e302b8ea0694846fdd6a35814a04b8304ecddbe5ae5f6fefbe682b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a16323b9e302b8ea0694846fdd6a35814a04b8304ecddbe5ae5f6fefbe682b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a16323b9e302b8ea0694846fdd6a35814a04b8304ecddbe5ae5f6fefbe682b1", kill_on_drop: false }`
[INFO] [stdout] 8a16323b9e302b8ea0694846fdd6a35814a04b8304ecddbe5ae5f6fefbe682b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 55b27fc660735905a3217536fa6393c595e7fee69643712698b78708b7bcaaeb
[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" "55b27fc660735905a3217536fa6393c595e7fee69643712698b78708b7bcaaeb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling digits_iterator v0.1.0
[INFO] [stderr]    Compiling luhn v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `Command { std: "docker" "inspect" "55b27fc660735905a3217536fa6393c595e7fee69643712698b78708b7bcaaeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b27fc660735905a3217536fa6393c595e7fee69643712698b78708b7bcaaeb", kill_on_drop: false }`
[INFO] [stdout] 55b27fc660735905a3217536fa6393c595e7fee69643712698b78708b7bcaaeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 41c2ca3b1782b490bcb09aac990f700b9460531fadfc5441ed5310b157ad4d64
[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" "41c2ca3b1782b490bcb09aac990f700b9460531fadfc5441ed5310b157ad4d64", kill_on_drop: false }`
[INFO] [stderr]    Compiling luhn v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "41c2ca3b1782b490bcb09aac990f700b9460531fadfc5441ed5310b157ad4d64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41c2ca3b1782b490bcb09aac990f700b9460531fadfc5441ed5310b157ad4d64", kill_on_drop: false }`
[INFO] [stdout] 41c2ca3b1782b490bcb09aac990f700b9460531fadfc5441ed5310b157ad4d64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 188c316b0eed658f6913bac8a74060de865749b2e050d1bd2f357e6f01905cac
[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" "188c316b0eed658f6913bac8a74060de865749b2e050d1bd2f357e6f01905cac", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 7 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/luhn-2b47c875aa4bc096
[INFO] [stdout] test tests::accepts_49927398716 ... ok
[INFO] [stderr]    Doc-tests luhn
[INFO] [stdout] test tests::fail_some_bad_isins ... ok
[INFO] [stdout] test tests::rejects_234 ... ok
[INFO] [stdout] test tests::rejects_4111111111111112 ... ok
[INFO] [stdout] test tests::accepts_4111111111111111 ... ok
[INFO] [stdout] test tests::validate_some_good_isins ... ok
[INFO] [stdout] test tests::readme ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "188c316b0eed658f6913bac8a74060de865749b2e050d1bd2f357e6f01905cac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "188c316b0eed658f6913bac8a74060de865749b2e050d1bd2f357e6f01905cac", kill_on_drop: false }`
[INFO] [stdout] 188c316b0eed658f6913bac8a74060de865749b2e050d1bd2f357e6f01905cac