[INFO] fetching crate hello_exercism 0.5.5...
[INFO] testing hello_exercism-0.5.5 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate hello_exercism 0.5.5 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate hello_exercism 0.5.5 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 hello_exercism 0.5.5
[INFO] finished tweaking crates.io crate hello_exercism 0.5.5
[INFO] tweaked toml for crates.io crate hello_exercism 0.5.5 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate hello_exercism 0.5.5 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 hello_extern v0.1.1
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 539832feb606917ebeb9ff25c4a1c633ad2bcc6b4ca413ec8d4dabf316ca170a
[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" "539832feb606917ebeb9ff25c4a1c633ad2bcc6b4ca413ec8d4dabf316ca170a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "539832feb606917ebeb9ff25c4a1c633ad2bcc6b4ca413ec8d4dabf316ca170a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "539832feb606917ebeb9ff25c4a1c633ad2bcc6b4ca413ec8d4dabf316ca170a", kill_on_drop: false }`
[INFO] [stdout] 539832feb606917ebeb9ff25c4a1c633ad2bcc6b4ca413ec8d4dabf316ca170a
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5064b36062f97df7d1719b97818b5ff3e6e43094a6bd7a286e5ba09de2c7173
[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" "a5064b36062f97df7d1719b97818b5ff3e6e43094a6bd7a286e5ba09de2c7173", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_extern v0.1.1
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "a5064b36062f97df7d1719b97818b5ff3e6e43094a6bd7a286e5ba09de2c7173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5064b36062f97df7d1719b97818b5ff3e6e43094a6bd7a286e5ba09de2c7173", kill_on_drop: false }`
[INFO] [stdout] a5064b36062f97df7d1719b97818b5ff3e6e43094a6bd7a286e5ba09de2c7173
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb408c35326a93628467ef59b51ed4acc87c6eb5049fcd8576e01484c2096e3f
[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" "cb408c35326a93628467ef59b51ed4acc87c6eb5049fcd8576e01484c2096e3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_exercism v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "cb408c35326a93628467ef59b51ed4acc87c6eb5049fcd8576e01484c2096e3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb408c35326a93628467ef59b51ed4acc87c6eb5049fcd8576e01484c2096e3f", kill_on_drop: false }`
[INFO] [stdout] cb408c35326a93628467ef59b51ed4acc87c6eb5049fcd8576e01484c2096e3f
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0f0f286b9b92d864cc43a4337068137ef007f2e5036fdfdecd9bca40bb6753f
[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" "b0f0f286b9b92d864cc43a4337068137ef007f2e5036fdfdecd9bca40bb6753f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hello_exercism-1793d60c62dfb078
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] test i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test integration_tests::i_hello::it_works_with_only_extern ... ok
[INFO] [stdout] test integration_tests::i_hello::it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] test owned_hello::it_works_at_private ... ok
[INFO] [stdout] test private_tests::owned_hello::it_works_at_private ... ok
[INFO] [stdout] test private_tests_with_use::it_works_at_private ... ok
[INFO] [stdout] test private_tests_without_use::it_works_at_private ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/i_hello-032b70e007f5f7e4
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test it_works_with_extern ... ok
[INFO] [stdout] test it_works_with_the_crate_and_extern ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/u_hello-31aed26eb739d482
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works_at_uint ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests hello_exercism
[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" "b0f0f286b9b92d864cc43a4337068137ef007f2e5036fdfdecd9bca40bb6753f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f0f286b9b92d864cc43a4337068137ef007f2e5036fdfdecd9bca40bb6753f", kill_on_drop: false }`
[INFO] [stdout] b0f0f286b9b92d864cc43a4337068137ef007f2e5036fdfdecd9bca40bb6753f