[INFO] fetching crate memora 0.4.3...
[INFO] testing memora-0.4.3 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate memora 0.4.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate memora 0.4.3 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 memora 0.4.3
[INFO] finished tweaking crates.io crate memora 0.4.3
[INFO] tweaked toml for crates.io crate memora 0.4.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate memora 0.4.3 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 serde_yaml v0.8.11
[INFO] [stderr]   Downloaded mktemp v0.3.1
[INFO] [stderr]   Downloaded Inflector v0.11.4
[INFO] [stderr]   Downloaded file-lock v1.1.20
[INFO] [stderr]   Downloaded tuple-transpose v0.1.0
[INFO] [stderr]   Downloaded file_diff v1.0.0
[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] a9a800c7cc95af6f637a3d1d4f5761f26adcf0bd699f2cfe63c53ad186f0e179
[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" "a9a800c7cc95af6f637a3d1d4f5761f26adcf0bd699f2cfe63c53ad186f0e179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9a800c7cc95af6f637a3d1d4f5761f26adcf0bd699f2cfe63c53ad186f0e179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9a800c7cc95af6f637a3d1d4f5761f26adcf0bd699f2cfe63c53ad186f0e179", kill_on_drop: false }`
[INFO] [stdout] a9a800c7cc95af6f637a3d1d4f5761f26adcf0bd699f2cfe63c53ad186f0e179
[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] 1c8515dd7d53eeb37d42cb7de0e8898e3785a531bdabe7722e74993923a7ac6b
[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" "1c8515dd7d53eeb37d42cb7de0e8898e3785a531bdabe7722e74993923a7ac6b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling tuple-transpose v0.1.0
[INFO] [stderr]    Compiling file-lock v1.1.20
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling regex v1.3.6
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mktemp v0.3.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling derivative v2.1.1
[INFO] [stderr]    Compiling serde_yaml v0.8.11
[INFO] [stderr]    Compiling memora v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "1c8515dd7d53eeb37d42cb7de0e8898e3785a531bdabe7722e74993923a7ac6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c8515dd7d53eeb37d42cb7de0e8898e3785a531bdabe7722e74993923a7ac6b", kill_on_drop: false }`
[INFO] [stdout] 1c8515dd7d53eeb37d42cb7de0e8898e3785a531bdabe7722e74993923a7ac6b
[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] e9eb0c238db4ba9a7ff67b7ad815309e34ec6ab70127660ec9a9c8506c947b5c
[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" "e9eb0c238db4ba9a7ff67b7ad815309e34ec6ab70127660ec9a9c8506c947b5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling file_diff v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling memora v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 12.98s
[INFO] running `Command { std: "docker" "inspect" "e9eb0c238db4ba9a7ff67b7ad815309e34ec6ab70127660ec9a9c8506c947b5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9eb0c238db4ba9a7ff67b7ad815309e34ec6ab70127660ec9a9c8506c947b5c", kill_on_drop: false }`
[INFO] [stdout] e9eb0c238db4ba9a7ff67b7ad815309e34ec6ab70127660ec9a9c8506c947b5c
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ab50cbfb9f9e56342004a9d39d90b374fc16d59703cdecfb216eaebecfb266fc
[INFO] running `Command { std: "docker" "start" "-a" "ab50cbfb9f9e56342004a9d39d90b374fc16d59703cdecfb216eaebecfb266fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memora-8297b397f227bf04
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test fs::tests::copy_file_new_subdir ... ok
[INFO] [stdout] test fs::tests::copy_file_existing ... ok
[INFO] [stdout] test fs::tests::copy_dir ... ok
[INFO] [stdout] test fs::tests::copy_symlink_to_existing_target ... ok
[INFO] [stdout] test fs::tests::copy_symlink_to_nonexisting_target ... ok
[INFO] [stdout] test fs::tests::copy_file_new ... ok
[INFO] [stdout] test git::tests::last_commit_on_nonexistent_path ... ok
[INFO] [stdout] test git::tests::youngest_object_no_commit ... ok
[INFO] [stdout] test git::tests::last_commit_on_existing_path_with_no_commit ... ok
[INFO] [stdout] test git::tests::last_commit_on_existing_path_with_single_commit ... ok
[INFO] [stdout] test git::tests::last_commit_on_existing_path_with_two_commits ... ok
[INFO] [stdout] test git::tests::youngest_object_single_commit ... ok
[INFO] [stdout] test git::tests::partial_cmp_different_objects ... ok
[INFO] [stdout] test git::tests::descendants_on_current_branch ... ok
[INFO] [stdout] test git::tests::partial_cmp_incomparable_objects ... ok
[INFO] [stdout] test git::tests::partial_cmp_identical_objects ... ok
[INFO] [stdout] test git::tests::youngest_object_two_different_commits ... ok
[INFO] [stdout] test git::tests::youngest_object_two_identical_commits ... ok
[INFO] [stdout] test git::tests::youngest_object_two_incomparable_commits ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/memora-4bd2f160a68dc724
[INFO] [stdout] test git::tests::oldest_common_descendant_on_current_branch_with_merge ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memora
[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" "ab50cbfb9f9e56342004a9d39d90b374fc16d59703cdecfb216eaebecfb266fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab50cbfb9f9e56342004a9d39d90b374fc16d59703cdecfb216eaebecfb266fc", kill_on_drop: false }`
[INFO] [stdout] ab50cbfb9f9e56342004a9d39d90b374fc16d59703cdecfb216eaebecfb266fc