[INFO] fetching crate diff-struct 0.3.1...
[INFO] testing diff-struct-0.3.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate diff-struct 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate diff-struct 0.3.1 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 diff-struct 0.3.1
[INFO] finished tweaking crates.io crate diff-struct 0.3.1
[INFO] tweaked toml for crates.io crate diff-struct 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[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] 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 18b62802117ecaacc2dc4e615e064b9af5c4be9d59921ca94a57b5e2486f6e62
[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" "18b62802117ecaacc2dc4e615e064b9af5c4be9d59921ca94a57b5e2486f6e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18b62802117ecaacc2dc4e615e064b9af5c4be9d59921ca94a57b5e2486f6e62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18b62802117ecaacc2dc4e615e064b9af5c4be9d59921ca94a57b5e2486f6e62", kill_on_drop: false }`
[INFO] [stdout] 18b62802117ecaacc2dc4e615e064b9af5c4be9d59921ca94a57b5e2486f6e62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 0fabb2cee7893c3483d9ff9a96db7a3792a1fc263ca82c66e10b35237bf2cbf2
[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" "0fabb2cee7893c3483d9ff9a96db7a3792a1fc263ca82c66e10b35237bf2cbf2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling diff_derive v0.1.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling diff-struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.00s
[INFO] running `Command { std: "docker" "inspect" "0fabb2cee7893c3483d9ff9a96db7a3792a1fc263ca82c66e10b35237bf2cbf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fabb2cee7893c3483d9ff9a96db7a3792a1fc263ca82c66e10b35237bf2cbf2", kill_on_drop: false }`
[INFO] [stdout] 0fabb2cee7893c3483d9ff9a96db7a3792a1fc263ca82c66e10b35237bf2cbf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 1c0ec436c09667465cdc40f8c773dcb0f1f04bfd27fd07637cf4af85aca4628a
[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" "1c0ec436c09667465cdc40f8c773dcb0f1f04bfd27fd07637cf4af85aca4628a", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff-struct v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "1c0ec436c09667465cdc40f8c773dcb0f1f04bfd27fd07637cf4af85aca4628a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0ec436c09667465cdc40f8c773dcb0f1f04bfd27fd07637cf4af85aca4628a", kill_on_drop: false }`
[INFO] [stdout] 1c0ec436c09667465cdc40f8c773dcb0f1f04bfd27fd07637cf4af85aca4628a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 9c1be41d275bbf60194b002c74f2b125cfb020f54e046f0b2251d4c9518ebb23
[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" "9c1be41d275bbf60194b002c74f2b125cfb020f54e046f0b2251d4c9518ebb23", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff-857d95a220e6243b
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::numeric_diffs ... ok
[INFO] [stdout] test tests::test_maps ... ok
[INFO] [stdout] test tests::test_opt ... ok
[INFO] [stdout] test tests::test_char_string ... ok
[INFO] [stdout] test tests::test_tuple_derive ... ok
[INFO] [stdout] test tests::test_apply ... ok
[INFO] [stdout] test tests::test_derive ... ok
[INFO] [stderr]    Doc-tests diff
[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 0.02s
[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 0.58s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9c1be41d275bbf60194b002c74f2b125cfb020f54e046f0b2251d4c9518ebb23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c1be41d275bbf60194b002c74f2b125cfb020f54e046f0b2251d4c9518ebb23", kill_on_drop: false }`
[INFO] [stdout] 9c1be41d275bbf60194b002c74f2b125cfb020f54e046f0b2251d4c9518ebb23