[INFO] fetching crate shared_child 0.3.4...
[INFO] testing shared_child-0.3.4 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate shared_child 0.3.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate shared_child 0.3.4 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shared_child 0.3.4
[INFO] finished tweaking crates.io crate shared_child 0.3.4
[INFO] tweaked toml for crates.io crate shared_child 0.3.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] d9dd8a79bd9ff505319a324845c62fe0998425e8945196aa81bcc0fcd2285760
[INFO] running `Command { std: "docker" "start" "-a" "d9dd8a79bd9ff505319a324845c62fe0998425e8945196aa81bcc0fcd2285760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9dd8a79bd9ff505319a324845c62fe0998425e8945196aa81bcc0fcd2285760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9dd8a79bd9ff505319a324845c62fe0998425e8945196aa81bcc0fcd2285760", kill_on_drop: false }`
[INFO] [stdout] d9dd8a79bd9ff505319a324845c62fe0998425e8945196aa81bcc0fcd2285760
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 9923d7737ae82759679b0fb68a27232de8f9b97868aef6b0b1f90b8ec394c3f6
[INFO] running `Command { std: "docker" "start" "-a" "9923d7737ae82759679b0fb68a27232de8f9b97868aef6b0b1f90b8ec394c3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "9923d7737ae82759679b0fb68a27232de8f9b97868aef6b0b1f90b8ec394c3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9923d7737ae82759679b0fb68a27232de8f9b97868aef6b0b1f90b8ec394c3f6", kill_on_drop: false }`
[INFO] [stdout] 9923d7737ae82759679b0fb68a27232de8f9b97868aef6b0b1f90b8ec394c3f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05104d7c0c6f66762ea2187b575854ae2e8bce38ab642447c83597ae558fb68f
[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" "05104d7c0c6f66762ea2187b575854ae2e8bce38ab642447c83597ae558fb68f", kill_on_drop: false }`
[INFO] [stderr]    Compiling shared_child v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "05104d7c0c6f66762ea2187b575854ae2e8bce38ab642447c83597ae558fb68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05104d7c0c6f66762ea2187b575854ae2e8bce38ab642447c83597ae558fb68f", kill_on_drop: false }`
[INFO] [stdout] 05104d7c0c6f66762ea2187b575854ae2e8bce38ab642447c83597ae558fb68f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 986711f217811319d53c20699564918396e29f15256ac880e2276bc2aeb7a1b8
[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" "986711f217811319d53c20699564918396e29f15256ac880e2276bc2aeb7a1b8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/shared_child-2ef1b29dabaa1826
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::test_into_inner_after_wait ... ok
[INFO] [stdout] test tests::test_into_inner_before_wait ... ok
[INFO] [stdout] test tests::test_many_waiters ... ok
[INFO] [stdout] test tests::test_kill ... ok
[INFO] [stdout] test tests::test_try_wait ... ok
[INFO] [stdout] test tests::test_waitid_after_exit_doesnt_hang ... ok
[INFO] [stdout] test tests::test_wait ... ok
[INFO] [stdout] test unix::tests::test_send_signal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests shared_child
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 35) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "986711f217811319d53c20699564918396e29f15256ac880e2276bc2aeb7a1b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "986711f217811319d53c20699564918396e29f15256ac880e2276bc2aeb7a1b8", kill_on_drop: false }`
[INFO] [stdout] 986711f217811319d53c20699564918396e29f15256ac880e2276bc2aeb7a1b8