[INFO] fetching crate hopper 0.4.2...
[INFO] testing hopper-0.4.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate hopper 0.4.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate hopper 0.4.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hopper 0.4.2
[INFO] finished tweaking crates.io crate hopper 0.4.2
[INFO] tweaked toml for crates.io crate hopper 0.4.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84f16d0f3cc83867030c498d9cad7fe3e61be4c5830bf36f9419a2fc9e6b84fc
[INFO] running `Command { std: "docker" "start" "-a" "84f16d0f3cc83867030c498d9cad7fe3e61be4c5830bf36f9419a2fc9e6b84fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84f16d0f3cc83867030c498d9cad7fe3e61be4c5830bf36f9419a2fc9e6b84fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84f16d0f3cc83867030c498d9cad7fe3e61be4c5830bf36f9419a2fc9e6b84fc", kill_on_drop: false }`
[INFO] [stdout] 84f16d0f3cc83867030c498d9cad7fe3e61be4c5830bf36f9419a2fc9e6b84fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8119d3c9b4d88ce3190f55b686c7695d4b7b35a0ea27225c16c8898951fd7851
[INFO] running `Command { std: "docker" "start" "-a" "8119d3c9b4d88ce3190f55b686c7695d4b7b35a0ea27225c16c8898951fd7851", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.83s
[INFO] running `Command { std: "docker" "inspect" "8119d3c9b4d88ce3190f55b686c7695d4b7b35a0ea27225c16c8898951fd7851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8119d3c9b4d88ce3190f55b686c7695d4b7b35a0ea27225c16c8898951fd7851", kill_on_drop: false }`
[INFO] [stdout] 8119d3c9b4d88ce3190f55b686c7695d4b7b35a0ea27225c16c8898951fd7851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f78ad52d121488c61fb7776efb2a77eb0f155276aa76f29d7210300391b569e9
[INFO] running `Command { std: "docker" "start" "-a" "f78ad52d121488c61fb7776efb2a77eb0f155276aa76f29d7210300391b569e9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_xoshiro v0.1.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling serde_json v1.0.71
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling quickcheck v0.6.2
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling hopper v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "f78ad52d121488c61fb7776efb2a77eb0f155276aa76f29d7210300391b569e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78ad52d121488c61fb7776efb2a77eb0f155276aa76f29d7210300391b569e9", kill_on_drop: false }`
[INFO] [stdout] f78ad52d121488c61fb7776efb2a77eb0f155276aa76f29d7210300391b569e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ef207d760f8d5e31db32a501d2c7ffa5b6ca371b74877f35b2efe5528b41463c
[INFO] running `Command { std: "docker" "start" "-a" "ef207d760f8d5e31db32a501d2c7ffa5b6ca371b74877f35b2efe5528b41463c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.22s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hopper-832962876f71ac06)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test::round_trip ... ok
[INFO] [stdout] test test::single_sender_single_rcv_round_trip ... ok
[INFO] [stdout] test test::multi_thread_concurrent_snd_and_rcv_round_trip ... ok
[INFO] [stdout] test test::explicit_multi_thread_concurrent_snd_and_rcv_round_trip ... ok
[INFO] [stdout] test test::explicit_single_sender_single_rcv_round_trip has been running for over 60 seconds
[INFO] [stdout] test test::ingress_shedding has been running for over 60 seconds
[INFO] [stdout] test test::explicit_single_sender_single_rcv_round_trip ... ok
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "ef207d760f8d5e31db32a501d2c7ffa5b6ca371b74877f35b2efe5528b41463c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef207d760f8d5e31db32a501d2c7ffa5b6ca371b74877f35b2efe5528b41463c", kill_on_drop: false }`
[INFO] [stdout] ef207d760f8d5e31db32a501d2c7ffa5b6ca371b74877f35b2efe5528b41463c