[INFO] fetching crate haneru 0.0.0...
[INFO] testing haneru-0.0.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate haneru 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate haneru 0.0.0 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 haneru 0.0.0
[INFO] finished tweaking crates.io crate haneru 0.0.0
[INFO] tweaked toml for crates.io crate haneru 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate haneru 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-rwlock v1.3.0
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded nanorand v0.5.2
[INFO] [stderr]   Downloaded criterion v0.3.4
[INFO] [stderr]   Downloaded spinning_top v0.2.3
[INFO] [stderr]   Downloaded flume v0.10.4
[INFO] [stderr]   Downloaded rio v0.9.4
[INFO] [stderr]   Downloaded plotters-backend v0.3.0
[INFO] [stderr]   Downloaded plotters-svg v0.3.0
[INFO] [stderr]   Downloaded plotters v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 9df5b3264c938bd11c02d58add7f12c12dd43ceafd20e422744144bdc7fd73e0
[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" "9df5b3264c938bd11c02d58add7f12c12dd43ceafd20e422744144bdc7fd73e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9df5b3264c938bd11c02d58add7f12c12dd43ceafd20e422744144bdc7fd73e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9df5b3264c938bd11c02d58add7f12c12dd43ceafd20e422744144bdc7fd73e0", kill_on_drop: false }`
[INFO] [stdout] 9df5b3264c938bd11c02d58add7f12c12dd43ceafd20e422744144bdc7fd73e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9e8e62ff63de09ae3e78d0b2303abe66e2b6fa7d3b7aa7b4e2b1196ffe4ce32c
[INFO] running `Command { std: "docker" "start" "-a" "9e8e62ff63de09ae3e78d0b2303abe66e2b6fa7d3b7aa7b4e2b1196ffe4ce32c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling rio v0.9.4
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling async-rwlock v1.3.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling spinning_top v0.2.3
[INFO] [stderr]    Compiling nanorand v0.5.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling thiserror v1.0.24
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling flume v0.10.4
[INFO] [stderr]    Compiling futures-executor v0.3.14
[INFO] [stderr]    Compiling futures v0.3.14
[INFO] [stderr]    Compiling haneru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.48s
[INFO] running `Command { std: "docker" "inspect" "9e8e62ff63de09ae3e78d0b2303abe66e2b6fa7d3b7aa7b4e2b1196ffe4ce32c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e8e62ff63de09ae3e78d0b2303abe66e2b6fa7d3b7aa7b4e2b1196ffe4ce32c", kill_on_drop: false }`
[INFO] [stdout] 9e8e62ff63de09ae3e78d0b2303abe66e2b6fa7d3b7aa7b4e2b1196ffe4ce32c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 0107388e9c5e57295a5dadfb28dcde67e1fe54ce4a5ef0f1bed626cdda0e9a80
[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" "0107388e9c5e57295a5dadfb28dcde67e1fe54ce4a5ef0f1bed626cdda0e9a80", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling plotters v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.3.4
[INFO] [stderr]    Compiling haneru v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "0107388e9c5e57295a5dadfb28dcde67e1fe54ce4a5ef0f1bed626cdda0e9a80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0107388e9c5e57295a5dadfb28dcde67e1fe54ce4a5ef0f1bed626cdda0e9a80", kill_on_drop: false }`
[INFO] [stdout] 0107388e9c5e57295a5dadfb28dcde67e1fe54ce4a5ef0f1bed626cdda0e9a80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 3fdd738ac0b273ef2a7ede648e93021bfbc1cb3110374232359f3683ad988dfe
[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" "3fdd738ac0b273ef2a7ede648e93021bfbc1cb3110374232359f3683ad988dfe", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/haneru-19202b7d12a90319)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test disk::tests::test_disk_manager_writes ... ok
[INFO] [stdout] test disk::tests::test_disk_manager_read_write_1 ... ok
[INFO] [stdout] test buffer::tests::test_buffer_pool_manager_simple ... ok
[INFO] [stdout] test buffer::tests::test_buffer_pool_manager_concurrent ... ok
[INFO] [stdout] test buffer::tests::test_buffer_pool_manager_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/haneru-669ef65784441516)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests haneru
[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] [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" "3fdd738ac0b273ef2a7ede648e93021bfbc1cb3110374232359f3683ad988dfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdd738ac0b273ef2a7ede648e93021bfbc1cb3110374232359f3683ad988dfe", kill_on_drop: false }`
[INFO] [stdout] 3fdd738ac0b273ef2a7ede648e93021bfbc1cb3110374232359f3683ad988dfe