[INFO] fetching crate data-rw 1.5.5...
[INFO] testing data-rw-1.5.5 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate data-rw 1.5.5 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate data-rw 1.5.5 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate data-rw 1.5.5
[INFO] finished tweaking crates.io crate data-rw 1.5.5
[INFO] tweaked toml for crates.io crate data-rw 1.5.5 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] e5f70a5c3e00221012eca84d87b33fb41e6be22f985af1f48fcda24c9dc60bbe
[INFO] running `Command { std: "docker" "start" "-a" "e5f70a5c3e00221012eca84d87b33fb41e6be22f985af1f48fcda24c9dc60bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e5f70a5c3e00221012eca84d87b33fb41e6be22f985af1f48fcda24c9dc60bbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f70a5c3e00221012eca84d87b33fb41e6be22f985af1f48fcda24c9dc60bbe", kill_on_drop: false }`
[INFO] [stdout] e5f70a5c3e00221012eca84d87b33fb41e6be22f985af1f48fcda24c9dc60bbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 953566c0cf6616ea3b8c921fb34a2b1a0ef1564d4485d295989bf3aad32e7d07
[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" "953566c0cf6616ea3b8c921fb34a2b1a0ef1564d4485d295989bf3aad32e7d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling auto_impl v0.4.1
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling rmp-serde v0.15.5
[INFO] [stderr]    Compiling data-rw v1.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.15s
[INFO] running `Command { std: "docker" "inspect" "953566c0cf6616ea3b8c921fb34a2b1a0ef1564d4485d295989bf3aad32e7d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953566c0cf6616ea3b8c921fb34a2b1a0ef1564d4485d295989bf3aad32e7d07", kill_on_drop: false }`
[INFO] [stdout] 953566c0cf6616ea3b8c921fb34a2b1a0ef1564d4485d295989bf3aad32e7d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca5556524adc2050b187aeb9eda5d9929266fa8c544ec4430487b0b64e655b72
[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" "ca5556524adc2050b187aeb9eda5d9929266fa8c544ec4430487b0b64e655b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling data-rw v1.5.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "ca5556524adc2050b187aeb9eda5d9929266fa8c544ec4430487b0b64e655b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca5556524adc2050b187aeb9eda5d9929266fa8c544ec4430487b0b64e655b72", kill_on_drop: false }`
[INFO] [stdout] ca5556524adc2050b187aeb9eda5d9929266fa8c544ec4430487b0b64e655b72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "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] b66ca4df3ba63b6aa65a33b8e10880d5fc9ec4e2e4910524d044613d63d4c754
[INFO] running `Command { std: "docker" "start" "-a" "b66ca4df3ba63b6aa65a33b8e10880d5fc9ec4e2e4910524d044613d63d4c754", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_pack_serde ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/data_rw-1c741eb90b7a44b6)
[INFO] [stderr]      Running tests/pack_serde.rs (/opt/rustwide/target/debug/deps/pack_serde-bc65be3040f322af)
[INFO] [stdout] test test_owned_pack_serde ... ok
[INFO] [stderr]      Running tests/test.rs (/opt/rustwide/target/debug/deps/test-0664f8b53e9d976f)
[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] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_resize ... ok
[INFO] [stdout] test test_read ... ok
[INFO] [stdout] test test_write ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_serde.rs (/opt/rustwide/target/debug/deps/test_serde-6f947823aadc7b32)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests data-rw
[INFO] [stdout] test test_serde_ser ... ok
[INFO] [stdout] test test_owned_serde_de ... ok
[INFO] [stdout] test test_serde_de ... ok
[INFO] [stdout] test test_owned_serde_ser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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] running `Command { std: "docker" "inspect" "b66ca4df3ba63b6aa65a33b8e10880d5fc9ec4e2e4910524d044613d63d4c754", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b66ca4df3ba63b6aa65a33b8e10880d5fc9ec4e2e4910524d044613d63d4c754", kill_on_drop: false }`
[INFO] [stdout] b66ca4df3ba63b6aa65a33b8e10880d5fc9ec4e2e4910524d044613d63d4c754