[INFO] cloning repository https://github.com/BenHall-7/diff-struct
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BenHall-7/diff-struct" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenHall-7%2Fdiff-struct", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenHall-7%2Fdiff-struct'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f257937fcb83e4808fd5c8a387024468eb1260f5
[INFO] testing BenHall-7/diff-struct 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%2FBenHall-7%2Fdiff-struct" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BenHall-7/diff-struct 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/BenHall-7/diff-struct
[INFO] removed path dependency diff_derive from git repo https://github.com/BenHall-7/diff-struct
[INFO] finished tweaking git repo https://github.com/BenHall-7/diff-struct
[INFO] tweaked toml for git repo https://github.com/BenHall-7/diff-struct written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/BenHall-7/diff-struct 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]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff_derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9702ebdf76f1230b1bd2afb50aba169d6cdc6d3bba0215dfe03eeca4fa5b8eb
[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" "f9702ebdf76f1230b1bd2afb50aba169d6cdc6d3bba0215dfe03eeca4fa5b8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9702ebdf76f1230b1bd2afb50aba169d6cdc6d3bba0215dfe03eeca4fa5b8eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9702ebdf76f1230b1bd2afb50aba169d6cdc6d3bba0215dfe03eeca4fa5b8eb", kill_on_drop: false }`
[INFO] [stdout] f9702ebdf76f1230b1bd2afb50aba169d6cdc6d3bba0215dfe03eeca4fa5b8eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "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] be05b5a941519e7c5db2585a0f4524fd0e08d46b26710e59bbdaf64c47348e97
[INFO] running `Command { std: "docker" "start" "-a" "be05b5a941519e7c5db2585a0f4524fd0e08d46b26710e59bbdaf64c47348e97", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling diff_derive v0.1.2
[INFO] [stderr]    Compiling diff-struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.47s
[INFO] running `Command { std: "docker" "inspect" "be05b5a941519e7c5db2585a0f4524fd0e08d46b26710e59bbdaf64c47348e97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be05b5a941519e7c5db2585a0f4524fd0e08d46b26710e59bbdaf64c47348e97", kill_on_drop: false }`
[INFO] [stdout] be05b5a941519e7c5db2585a0f4524fd0e08d46b26710e59bbdaf64c47348e97
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82c3a3351ef0ff3b7af619c0c9bcb331d6af5d1b87d4e7ae873d2b8e590954c8
[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" "82c3a3351ef0ff3b7af619c0c9bcb331d6af5d1b87d4e7ae873d2b8e590954c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff-struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "82c3a3351ef0ff3b7af619c0c9bcb331d6af5d1b87d4e7ae873d2b8e590954c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82c3a3351ef0ff3b7af619c0c9bcb331d6af5d1b87d4e7ae873d2b8e590954c8", kill_on_drop: false }`
[INFO] [stdout] 82c3a3351ef0ff3b7af619c0c9bcb331d6af5d1b87d4e7ae873d2b8e590954c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1fe10f51586ab8aa647ae80ea3f038b2dacd761ac3047de394fab360f78f372b
[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" "1fe10f51586ab8aa647ae80ea3f038b2dacd761ac3047de394fab360f78f372b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-857d95a220e6243b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_char_string ... ok
[INFO] [stdout] test tests::numeric_diffs ... ok
[INFO] [stdout] test tests::test_apply ... ok
[INFO] [stdout] test tests::test_derive ... ok
[INFO] [stdout] test tests::test_maps ... ok
[INFO] [stdout] test tests::test_opt ... ok
[INFO] [stderr]    Doc-tests diff
[INFO] [stdout] test tests::test_tuple_derive ... ok
[INFO] [stdout] test tests::test_vecs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Diff::identity (line 49) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1fe10f51586ab8aa647ae80ea3f038b2dacd761ac3047de394fab360f78f372b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe10f51586ab8aa647ae80ea3f038b2dacd761ac3047de394fab360f78f372b", kill_on_drop: false }`
[INFO] [stdout] 1fe10f51586ab8aa647ae80ea3f038b2dacd761ac3047de394fab360f78f372b