[INFO] cloning repository https://github.com/benesch/rust-play
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benesch/rust-play" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Frust-play", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Frust-play'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6149e7277905e77e2bd2b9fc4670cae48ec197c3
[INFO] testing benesch/rust-play against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenesch%2Frust-play" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benesch/rust-play on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/benesch/rust-play
[INFO] finished tweaking git repo https://github.com/benesch/rust-play
[INFO] tweaked toml for git repo https://github.com/benesch/rust-play written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/benesch/rust-play already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/benesch/timely-dataflow.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2f20e9df8a3807ee66af44155a2cf9f1480a8b52eb0028cbb49d67c3f67cabe
[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" "d2f20e9df8a3807ee66af44155a2cf9f1480a8b52eb0028cbb49d67c3f67cabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2f20e9df8a3807ee66af44155a2cf9f1480a8b52eb0028cbb49d67c3f67cabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2f20e9df8a3807ee66af44155a2cf9f1480a8b52eb0028cbb49d67c3f67cabe", kill_on_drop: false }`
[INFO] [stdout] d2f20e9df8a3807ee66af44155a2cf9f1480a8b52eb0028cbb49d67c3f67cabe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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] 163f4b2ef1897b453dc6e5540cb5a41a01e61c48a9c98beeaf71559cb55c8604
[INFO] running `Command { std: "docker" "start" "-a" "163f4b2ef1897b453dc6e5540cb5a41a01e61c48a9c98beeaf71559cb55c8604", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling abomonation v0.7.3
[INFO] [stderr]    Compiling timely_bytes v0.10.0 (https://github.com/benesch/timely-dataflow.git?branch=sample#775c22d6)
[INFO] [stderr]    Compiling timely_logging v0.10.0 (https://github.com/benesch/timely-dataflow.git?branch=sample#775c22d6)
[INFO] [stderr]    Compiling timely_sort v0.1.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling abomonation_derive v0.3.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling abomonation_derive v0.4.0
[INFO] [stderr]    Compiling timely_communication v0.10.0 (https://github.com/benesch/timely-dataflow.git?branch=sample#775c22d6)
[INFO] [stderr]    Compiling timely v0.10.0 (https://github.com/benesch/timely-dataflow.git?branch=sample#775c22d6)
[INFO] [stderr]    Compiling differential-dataflow v0.10.0 (https://github.com/TimelyDataflow/differential-dataflow.git#c78b860a)
[INFO] [stderr]    Compiling rust-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "163f4b2ef1897b453dc6e5540cb5a41a01e61c48a9c98beeaf71559cb55c8604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "163f4b2ef1897b453dc6e5540cb5a41a01e61c48a9c98beeaf71559cb55c8604", kill_on_drop: false }`
[INFO] [stdout] 163f4b2ef1897b453dc6e5540cb5a41a01e61c48a9c98beeaf71559cb55c8604
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 499b2af438f9da77373abfb63bba75aaba3ab23cd29ae5b71d53deb49540b807
[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" "499b2af438f9da77373abfb63bba75aaba3ab23cd29ae5b71d53deb49540b807", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust-play v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "499b2af438f9da77373abfb63bba75aaba3ab23cd29ae5b71d53deb49540b807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "499b2af438f9da77373abfb63bba75aaba3ab23cd29ae5b71d53deb49540b807", kill_on_drop: false }`
[INFO] [stdout] 499b2af438f9da77373abfb63bba75aaba3ab23cd29ae5b71d53deb49540b807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 03e44c4c7412dbbd60713f1e2af2a8b43c09a88ca1c328e19c242253c7e3059e
[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" "03e44c4c7412dbbd60713f1e2af2a8b43c09a88ca1c328e19c242253c7e3059e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_play-07edb7bdfb66b811)
[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" "03e44c4c7412dbbd60713f1e2af2a8b43c09a88ca1c328e19c242253c7e3059e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03e44c4c7412dbbd60713f1e2af2a8b43c09a88ca1c328e19c242253c7e3059e", kill_on_drop: false }`
[INFO] [stdout] 03e44c4c7412dbbd60713f1e2af2a8b43c09a88ca1c328e19c242253c7e3059e