[INFO] cloning repository https://github.com/mark-summerfield/differ
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mark-summerfield/differ" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmark-summerfield%2Fdiffer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 71a0bff05ad977b497f9332779477be50aab523e
[INFO] testing mark-summerfield/differ 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%2Fmark-summerfield%2Fdiffer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mark-summerfield/differ 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/mark-summerfield/differ
[INFO] finished tweaking git repo https://github.com/mark-summerfield/differ
[INFO] tweaked toml for git repo https://github.com/mark-summerfield/differ written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mark-summerfield/differ 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 syn v1.0.37
[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] 1f3d04d10264af0da8fbf61833af73716978fffb9a666279cb744bf85dbf6d27
[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" "1f3d04d10264af0da8fbf61833af73716978fffb9a666279cb744bf85dbf6d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f3d04d10264af0da8fbf61833af73716978fffb9a666279cb744bf85dbf6d27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f3d04d10264af0da8fbf61833af73716978fffb9a666279cb744bf85dbf6d27", kill_on_drop: false }`
[INFO] [stdout] 1f3d04d10264af0da8fbf61833af73716978fffb9a666279cb744bf85dbf6d27
[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] 2337351805bae5e06cfef04fba00c1b7cb9628abbfa90986baa4e8228ee033ec
[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" "2337351805bae5e06cfef04fba00c1b7cb9628abbfa90986baa4e8228ee033ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "2337351805bae5e06cfef04fba00c1b7cb9628abbfa90986baa4e8228ee033ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2337351805bae5e06cfef04fba00c1b7cb9628abbfa90986baa4e8228ee033ec", kill_on_drop: false }`
[INFO] [stdout] 2337351805bae5e06cfef04fba00c1b7cb9628abbfa90986baa4e8228ee033ec
[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] 6d90e4f24a97e799d1a1d1a92bce5d7b6fe91d5ed22d6c7680ec399bc555c598
[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" "6d90e4f24a97e799d1a1d1a92bce5d7b6fe91d5ed22d6c7680ec399bc555c598", kill_on_drop: false }`
[INFO] [stderr]    Compiling differ v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "6d90e4f24a97e799d1a1d1a92bce5d7b6fe91d5ed22d6c7680ec399bc555c598", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d90e4f24a97e799d1a1d1a92bce5d7b6fe91d5ed22d6c7680ec399bc555c598", kill_on_drop: false }`
[INFO] [stdout] 6d90e4f24a97e799d1a1d1a92bce5d7b6fe91d5ed22d6c7680ec399bc555c598
[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] 8431fce0baef536f8ce9583c2ec34b466e6ea7c35a41c1a78e67aa2a886a5fee
[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" "8431fce0baef536f8ce9583c2ec34b466e6ea7c35a41c1a78e67aa2a886a5fee", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/differ-c5fb9d350f3cb36b
[INFO] [stdout] running 16 tests
[INFO] [stdout] test tests::tests::t09 ... ok
[INFO] [stdout] test tests::tests::t06 ... ok
[INFO] [stdout] test tests::tests::t07 ... ok
[INFO] [stdout] test tests::tests::t04 ... ok
[INFO] [stdout] test tests::tests::t02 ... ok
[INFO] [stdout] test tests::tests::t10 ... ok
[INFO] [stdout] test tests::tests::t08 ... ok
[INFO] [stdout] test tests::tests::t03 ... ok
[INFO] [stdout] test tests::tests::t05 ... ok
[INFO] [stdout] test tests::tests::t01 ... ok
[INFO] [stdout] test tests::tests::t11 ... ok
[INFO] [stdout] test tests::tests::t13 ... ok
[INFO] [stdout] test tests::tests::t15 ... ok
[INFO] [stdout] test tests::tests::t16 ... ok
[INFO] [stdout] test tests::tests::t14 ... ok
[INFO] [stderr]    Doc-tests differ
[INFO] [stdout] test tests::tests::t12 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 83) ... ok
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.22s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8431fce0baef536f8ce9583c2ec34b466e6ea7c35a41c1a78e67aa2a886a5fee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8431fce0baef536f8ce9583c2ec34b466e6ea7c35a41c1a78e67aa2a886a5fee", kill_on_drop: false }`
[INFO] [stdout] 8431fce0baef536f8ce9583c2ec34b466e6ea7c35a41c1a78e67aa2a886a5fee