[INFO] fetching crate memdb 1.0.0...
[INFO] checking memdb-1.0.0 against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] extracting crate memdb 1.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate memdb 1.0.0 on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate memdb 1.0.0
[INFO] finished tweaking crates.io crate memdb 1.0.0
[INFO] tweaked toml for crates.io crate memdb 1.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v0.4.28
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded owning_ref v0.4.1
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]   Downloaded slab v0.4.3
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[INFO] [stderr]   Downloaded js-sys v0.3.51
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[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.6
[INFO] [stderr]   Downloaded juliex v0.3.0-alpha.8
[INFO] [stderr]   Downloaded fuchsia-cprng v0.1.1
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded rand_core v0.4.2
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded crossbeam-queue v0.2.3
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[INFO] [stderr]   Downloaded crossbeam-deque v0.7.3
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[INFO] [stderr]   Downloaded crossbeam v0.7.3
[INFO] [stderr]   Downloaded memoffset v0.5.6
[INFO] [stderr]   Downloaded crossbeam-epoch v0.8.2
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded web-sys v0.3.51
[INFO] [stderr]   Downloaded futures v0.1.31
[INFO] [stderr]   Downloaded runtime-native v0.3.0-alpha.6
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded lock_api v0.3.4
[INFO] [stderr]   Downloaded maybe-uninit v2.0.0
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded rand_core v0.3.1
[INFO] [stderr]   Downloaded pin-project v0.4.28
[INFO] [stderr]   Downloaded async-ready v3.0.0
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded async-datagram v3.0.0
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[INFO] [stderr]   Downloaded cloudabi v0.0.3
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[INFO] [stderr]   Downloaded romio v0.3.0-alpha.10
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.19
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[INFO] [stderr]   Downloaded runtime v0.3.0-alpha.8
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.3.27
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.4
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.19
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[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded futures-timer v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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] 959dadfac1a474dd9d7211fc212b46bca6b5d5d5751cd2a23288e9e929e1f8c8
[INFO] running `Command { std: "docker" "start" "-a" "959dadfac1a474dd9d7211fc212b46bca6b5d5d5751cd2a23288e9e929e1f8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "959dadfac1a474dd9d7211fc212b46bca6b5d5d5751cd2a23288e9e929e1f8c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959dadfac1a474dd9d7211fc212b46bca6b5d5d5751cd2a23288e9e929e1f8c8", kill_on_drop: false }`
[INFO] [stdout] 959dadfac1a474dd9d7211fc212b46bca6b5d5d5751cd2a23288e9e929e1f8c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cb376f2771584e7eee3546590502983b4ac97ae2065949d4b9585793db68797
[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" "3cb376f2771584e7eee3546590502983b4ac97ae2065949d4b9585793db68797", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking async-ready v3.0.0
[INFO] [stderr]     Checking async-datagram v3.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking memdb v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking romio v0.3.0-alpha.10
[INFO] [stderr]     Checking juliex v0.3.0-alpha.8
[INFO] [stderr]     Checking runtime-raw v0.3.0-alpha.5
[INFO] [stderr]     Checking runtime-native v0.3.0-alpha.6
[INFO] [stderr]    Compiling runtime-attributes v0.3.0-alpha.6
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking runtime v0.3.0-alpha.8
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error`
[INFO] [stdout]  --> tests/test.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> tests/test.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.32s
[INFO] running `Command { std: "docker" "inspect" "3cb376f2771584e7eee3546590502983b4ac97ae2065949d4b9585793db68797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cb376f2771584e7eee3546590502983b4ac97ae2065949d4b9585793db68797", kill_on_drop: false }`
[INFO] [stdout] 3cb376f2771584e7eee3546590502983b4ac97ae2065949d4b9585793db68797