[INFO] fetching crate mama 0.1.0...
[INFO] testing mama-0.1.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate mama 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate mama 0.1.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mama 0.1.0
[INFO] finished tweaking crates.io crate mama 0.1.0
[INFO] tweaked toml for crates.io crate mama 0.1.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate mama 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gregorian v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 616836f01bb0f7573da8b9d8c5bb587dbd812cbaaf75d0519a455ade6eb8f6c5
[INFO] running `Command { std: "docker" "start" "-a" "616836f01bb0f7573da8b9d8c5bb587dbd812cbaaf75d0519a455ade6eb8f6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "616836f01bb0f7573da8b9d8c5bb587dbd812cbaaf75d0519a455ade6eb8f6c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "616836f01bb0f7573da8b9d8c5bb587dbd812cbaaf75d0519a455ade6eb8f6c5", kill_on_drop: false }`
[INFO] [stdout] 616836f01bb0f7573da8b9d8c5bb587dbd812cbaaf75d0519a455ade6eb8f6c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", 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] ecc0a6dda9f23ec9ee49bbbbd76c7584ea8b1b6f10009b8b2a4263628a6afddb
[INFO] running `Command { std: "docker" "start" "-a" "ecc0a6dda9f23ec9ee49bbbbd76c7584ea8b1b6f10009b8b2a4263628a6afddb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling terminal_size v0.1.17
[INFO] [stderr]    Compiling gregorian v0.2.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling mama v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.40s
[INFO] running `Command { std: "docker" "inspect" "ecc0a6dda9f23ec9ee49bbbbd76c7584ea8b1b6f10009b8b2a4263628a6afddb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc0a6dda9f23ec9ee49bbbbd76c7584ea8b1b6f10009b8b2a4263628a6afddb", kill_on_drop: false }`
[INFO] [stdout] ecc0a6dda9f23ec9ee49bbbbd76c7584ea8b1b6f10009b8b2a4263628a6afddb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4af35435a3eb78834b2f50e7ae97f2abc25341cf9538b95a177cd72ce0339540
[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" "4af35435a3eb78834b2f50e7ae97f2abc25341cf9538b95a177cd72ce0339540", kill_on_drop: false }`
[INFO] [stderr]    Compiling mama v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] running `Command { std: "docker" "inspect" "4af35435a3eb78834b2f50e7ae97f2abc25341cf9538b95a177cd72ce0339540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4af35435a3eb78834b2f50e7ae97f2abc25341cf9538b95a177cd72ce0339540", kill_on_drop: false }`
[INFO] [stdout] 4af35435a3eb78834b2f50e7ae97f2abc25341cf9538b95a177cd72ce0339540
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", 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] dfc9bbd1f79b981f28fbf94a3121ed25e8d8a318554b4e3f2e781e77c6f961af
[INFO] running `Command { std: "docker" "start" "-a" "dfc9bbd1f79b981f28fbf94a3121ed25e8d8a318554b4e3f2e781e77c6f961af", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mama-80494c8a99c57e2b)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test task::tests::description_only ... ok
[INFO] [stdout] test task::tests::parse_completion_date ... ok
[INFO] [stdout] test task::tests::completed_task_has_completion_date ... ok
[INFO] [stdout] test task::tests::test_formatting ... ok
[INFO] [stdout] test task::tests::completed_task_must_also_have_creation_date ... ok
[INFO] [stdout] test task::tests::task_completion ... ok
[INFO] [stdout] test task::tests::parse_whitespace_only ... ok
[INFO] [stdout] test task::tests::parse_empty_string ... ok
[INFO] [stdout] test task::tests::parse_creation_date ... ok
[INFO] [stdout] test task::tests::invalid_priority_not_parsed ... ok
[INFO] [stdout] test task::tests::valid_priority_is_parsed ... ok
[INFO] [stdout] test task_id::tests::formatted_ids_are_1_indexed ... ok
[INFO] [stdout] test task_id::tests::internal_ids_are_0_indexed ... ok
[INFO] [stdout] test task_priority::tests::empty_string ... ok
[INFO] [stdout] test task::tests::initial_x_not_parsed_as_description ... ok
[INFO] [stdout] test task_priority::tests::no_parentheses ... ok
[INFO] [stdout] test task_priority::tests::too_long_priority ... ok
[INFO] [stdout] test task_priority::tests::invalid_character ... ok
[INFO] [stdout] test task::tests::uncompleted_task_has_no_completion_date ... ok
[INFO] [stdout] test task_priority::tests::valid_priority ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dfc9bbd1f79b981f28fbf94a3121ed25e8d8a318554b4e3f2e781e77c6f961af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc9bbd1f79b981f28fbf94a3121ed25e8d8a318554b4e3f2e781e77c6f961af", kill_on_drop: false }`
[INFO] [stdout] dfc9bbd1f79b981f28fbf94a3121ed25e8d8a318554b4e3f2e781e77c6f961af