[INFO] fetching crate restorable 0.2.0...
[INFO] testing restorable-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate restorable 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate restorable 0.2.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate restorable 0.2.0
[INFO] finished tweaking crates.io crate restorable 0.2.0
[INFO] tweaked toml for crates.io crate restorable 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "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] 42d9f459ca1031838cf88aac5a266d7cc25c308a41c2e3d3297159968cbe207d
[INFO] running `Command { std: "docker" "start" "-a" "42d9f459ca1031838cf88aac5a266d7cc25c308a41c2e3d3297159968cbe207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42d9f459ca1031838cf88aac5a266d7cc25c308a41c2e3d3297159968cbe207d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42d9f459ca1031838cf88aac5a266d7cc25c308a41c2e3d3297159968cbe207d", kill_on_drop: false }`
[INFO] [stdout] 42d9f459ca1031838cf88aac5a266d7cc25c308a41c2e3d3297159968cbe207d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f230afd68e1a5a8d387fcb2316f09e5fd8ccf56c64824677b390ffc4431cc8c
[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" "2f230afd68e1a5a8d387fcb2316f09e5fd8ccf56c64824677b390ffc4431cc8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling restorable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "2f230afd68e1a5a8d387fcb2316f09e5fd8ccf56c64824677b390ffc4431cc8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f230afd68e1a5a8d387fcb2316f09e5fd8ccf56c64824677b390ffc4431cc8c", kill_on_drop: false }`
[INFO] [stdout] 2f230afd68e1a5a8d387fcb2316f09e5fd8ccf56c64824677b390ffc4431cc8c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ba425858e9cb20b47de854a6e91f42a3d7ea4598c9ead1606fe08b12749b959
[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" "1ba425858e9cb20b47de854a6e91f42a3d7ea4598c9ead1606fe08b12749b959", kill_on_drop: false }`
[INFO] [stderr]    Compiling restorable v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.66s
[INFO] running `Command { std: "docker" "inspect" "1ba425858e9cb20b47de854a6e91f42a3d7ea4598c9ead1606fe08b12749b959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba425858e9cb20b47de854a6e91f42a3d7ea4598c9ead1606fe08b12749b959", kill_on_drop: false }`
[INFO] [stdout] 1ba425858e9cb20b47de854a6e91f42a3d7ea4598c9ead1606fe08b12749b959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6dae9a46c12ae716f5d959d1eb3890c83f599b27d9e8af648c389217b7aca387
[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" "6dae9a46c12ae716f5d959d1eb3890c83f599b27d9e8af648c389217b7aca387", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/restorable-5c34a64a08c4ac53)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_iter_restorable ... ok
[INFO] [stdout] test tests::test_restorable_new ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-053a739baf4ec6ee)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_iter_restorable_for_clone ... ok
[INFO] [stdout] test test_iter_restorable_derive_clone ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests restorable
[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" "6dae9a46c12ae716f5d959d1eb3890c83f599b27d9e8af648c389217b7aca387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dae9a46c12ae716f5d959d1eb3890c83f599b27d9e8af648c389217b7aca387", kill_on_drop: false }`
[INFO] [stdout] 6dae9a46c12ae716f5d959d1eb3890c83f599b27d9e8af648c389217b7aca387