[INFO] fetching crate interop 0.1.0-tmp...
[INFO] testing interop-0.1.0-tmp against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate interop 0.1.0-tmp into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate interop 0.1.0-tmp 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 interop 0.1.0-tmp
[INFO] finished tweaking crates.io crate interop 0.1.0-tmp
[INFO] tweaked toml for crates.io crate interop 0.1.0-tmp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate interop 0.1.0-tmp already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] a38971efc835900bd33e3b0dd0896954bb89161f6154849eef167d4e7b306120
[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" "a38971efc835900bd33e3b0dd0896954bb89161f6154849eef167d4e7b306120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a38971efc835900bd33e3b0dd0896954bb89161f6154849eef167d4e7b306120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a38971efc835900bd33e3b0dd0896954bb89161f6154849eef167d4e7b306120", kill_on_drop: false }`
[INFO] [stdout] a38971efc835900bd33e3b0dd0896954bb89161f6154849eef167d4e7b306120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 01b7064b8a2ba0ecb4f4751b58d7e6eed32e2f1adbb0d714b54e866ec5e94f5a
[INFO] running `Command { std: "docker" "start" "-a" "01b7064b8a2ba0ecb4f4751b58d7e6eed32e2f1adbb0d714b54e866ec5e94f5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling interop v0.1.0-tmp (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "01b7064b8a2ba0ecb4f4751b58d7e6eed32e2f1adbb0d714b54e866ec5e94f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01b7064b8a2ba0ecb4f4751b58d7e6eed32e2f1adbb0d714b54e866ec5e94f5a", kill_on_drop: false }`
[INFO] [stdout] 01b7064b8a2ba0ecb4f4751b58d7e6eed32e2f1adbb0d714b54e866ec5e94f5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f5050fe038d7b45db89f7484c51e9ca18284c3aab92b4698376bbb98752c13e2
[INFO] running `Command { std: "docker" "start" "-a" "f5050fe038d7b45db89f7484c51e9ca18284c3aab92b4698376bbb98752c13e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling interop v0.1.0-tmp (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f5050fe038d7b45db89f7484c51e9ca18284c3aab92b4698376bbb98752c13e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5050fe038d7b45db89f7484c51e9ca18284c3aab92b4698376bbb98752c13e2", kill_on_drop: false }`
[INFO] [stdout] f5050fe038d7b45db89f7484c51e9ca18284c3aab92b4698376bbb98752c13e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] eaeefb6e2e062b8eb7c6f7fe873da5bf7545ea2b23dbccfef8d5e14009a67acb
[INFO] running `Command { std: "docker" "start" "-a" "eaeefb6e2e062b8eb7c6f7fe873da5bf7545ea2b23dbccfef8d5e14009a67acb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/interop-fde8970a06b9de73)
[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" "eaeefb6e2e062b8eb7c6f7fe873da5bf7545ea2b23dbccfef8d5e14009a67acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaeefb6e2e062b8eb7c6f7fe873da5bf7545ea2b23dbccfef8d5e14009a67acb", kill_on_drop: false }`
[INFO] [stdout] eaeefb6e2e062b8eb7c6f7fe873da5bf7545ea2b23dbccfef8d5e14009a67acb