[INFO] fetching crate ppom 0.7.0...
[INFO] testing ppom-0.7.0 against master#61469b682c2b0bf9cebc4622f1859e2bb3b7ebca for pr-91743
[INFO] extracting crate ppom 0.7.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate ppom 0.7.0 on toolchain 61469b682c2b0bf9cebc4622f1859e2bb3b7ebca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ppom 0.7.0
[INFO] finished tweaking crates.io crate ppom 0.7.0
[INFO] tweaked toml for crates.io crate ppom 0.7.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate ppom 0.7.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arbitrary v0.4.7
[INFO] [stderr]   Downloaded derive_arbitrary v0.4.7
[INFO] [stderr]   Downloaded structopt v0.3.23
[INFO] [stderr]   Downloaded syn v1.0.76
[INFO] [stderr]   Downloaded structopt-derive v0.4.16
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 690bc51bd838b9b9207474e0923e272760d2767c3a16f4abb22f6760823bf213
[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" "690bc51bd838b9b9207474e0923e272760d2767c3a16f4abb22f6760823bf213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "690bc51bd838b9b9207474e0923e272760d2767c3a16f4abb22f6760823bf213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690bc51bd838b9b9207474e0923e272760d2767c3a16f4abb22f6760823bf213", kill_on_drop: false }`
[INFO] [stdout] 690bc51bd838b9b9207474e0923e272760d2767c3a16f4abb22f6760823bf213
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] ed9e8a7b4bf9a0dd7c323a898380896dc58dbfbe68f593479208cf9a320989cb
[INFO] running `Command { std: "docker" "start" "-a" "ed9e8a7b4bf9a0dd7c323a898380896dc58dbfbe68f593479208cf9a320989cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling ppom v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.65s
[INFO] running `Command { std: "docker" "inspect" "ed9e8a7b4bf9a0dd7c323a898380896dc58dbfbe68f593479208cf9a320989cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed9e8a7b4bf9a0dd7c323a898380896dc58dbfbe68f593479208cf9a320989cb", kill_on_drop: false }`
[INFO] [stdout] ed9e8a7b4bf9a0dd7c323a898380896dc58dbfbe68f593479208cf9a320989cb
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] 72764e620d740f977df1a1d62d89028a92a19bdd32dcbbc10c407eccaf1add52
[INFO] running `Command { std: "docker" "start" "-a" "72764e620d740f977df1a1d62d89028a92a19bdd32dcbbc10c407eccaf1add52", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling derive_arbitrary v0.4.7
[INFO] [stderr]    Compiling arbitrary v0.4.7
[INFO] [stderr]    Compiling ppom v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 30.10s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/ppom-b76e06b0aab3e8a4)
[INFO] running `Command { std: "docker" "inspect" "72764e620d740f977df1a1d62d89028a92a19bdd32dcbbc10c407eccaf1add52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72764e620d740f977df1a1d62d89028a92a19bdd32dcbbc10c407eccaf1add52", kill_on_drop: false }`
[INFO] [stdout] 72764e620d740f977df1a1d62d89028a92a19bdd32dcbbc10c407eccaf1add52
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+61469b682c2b0bf9cebc4622f1859e2bb3b7ebca" "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] 1660233c4f93319efe2b4f1fcd5468336e2ab4f9df17e651c8b5298b083b2bb9
[INFO] running `Command { std: "docker" "start" "-a" "1660233c4f93319efe2b4f1fcd5468336e2ab4f9df17e651c8b5298b083b2bb9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ppom-b76e06b0aab3e8a4)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test mdb::mdb_test::test_unique_hash ... ok
[INFO] [stdout] test mdb_node::mdb_node_test::test_node ... ok
[INFO] [stdout] test spinlock::spinlock_test::test_spinlock ... ok
[INFO] [stdout] test arc::arc_test::test_arc_omap has been running for over 60 seconds
[INFO] [stdout] test mdb::mdb_test::test_mdb_omap has been running for over 60 seconds
[INFO] [stdout] test omap::omap_test::test_simple_omap has been running for over 60 seconds
[INFO] [stdout] test rc::rc_test::test_rc_omap has been running for over 60 seconds
[INFO] [stdout] test omap::omap_test::test_simple_omap ... ok
[INFO] [stdout] test rc::rc_test::test_rc_omap ... ok
[INFO] [stdout] test arc::arc_test::test_arc_omap ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "1660233c4f93319efe2b4f1fcd5468336e2ab4f9df17e651c8b5298b083b2bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1660233c4f93319efe2b4f1fcd5468336e2ab4f9df17e651c8b5298b083b2bb9", kill_on_drop: false }`
[INFO] [stdout] 1660233c4f93319efe2b4f1fcd5468336e2ab4f9df17e651c8b5298b083b2bb9