[INFO] fetching crate async-coap-tokio 0.1.0...
[INFO] checking async-coap-tokio-0.1.0 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate async-coap-tokio 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate async-coap-tokio 0.1.0 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-coap-tokio 0.1.0
[INFO] finished tweaking crates.io crate async-coap-tokio 0.1.0
[INFO] tweaked toml for crates.io crate async-coap-tokio 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--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 futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio-sync v0.2.0-alpha.5
[INFO] [stderr]   Downloaded pin-project v0.4.0-alpha.11
[INFO] [stderr]   Downloaded async-coap-uri v0.1.0
[INFO] [stderr]   Downloaded tokio-io v0.2.0-alpha.5
[INFO] [stderr]   Downloaded tokio-codec v0.2.0-alpha.5
[INFO] [stderr]   Downloaded tokio-executor v0.2.0-alpha.5
[INFO] [stderr]   Downloaded pin-project-internal v0.4.0-alpha.11
[INFO] [stderr]   Downloaded async-coap v0.1.0
[INFO] [stderr]   Downloaded futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]   Downloaded tokio-net v0.2.0-alpha.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f8a58180ef5871ebfed4f995bb0bfc512694a31dae9e19c8d22c7b149958e9
[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" "82f8a58180ef5871ebfed4f995bb0bfc512694a31dae9e19c8d22c7b149958e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f8a58180ef5871ebfed4f995bb0bfc512694a31dae9e19c8d22c7b149958e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f8a58180ef5871ebfed4f995bb0bfc512694a31dae9e19c8d22c7b149958e9", kill_on_drop: false }`
[INFO] [stdout] 82f8a58180ef5871ebfed4f995bb0bfc512694a31dae9e19c8d22c7b149958e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--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] af7f4481c065f6ff7ca75082a95ee427f510b59fd8f760630eb1d32ebd8b3d7b
[INFO] running `Command { std: "docker" "start" "-a" "af7f4481c065f6ff7ca75082a95ee427f510b59fd8f760630eb1d32ebd8b3d7b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-internal v0.4.0-alpha.11
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling async-coap-uri-macros v0.1.0
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking async-coap-uri v0.1.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.5
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-timer v0.3.0
[INFO] [stderr]     Checking async-coap v0.1.0
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.5
[INFO] [stderr]     Checking pin-project v0.4.0-alpha.11
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.5
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.5
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.5
[INFO] [stderr]     Checking async-coap-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `tokio::executor`
[INFO] [stdout]  --> tests/test.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use tokio::executor::spawn;
[INFO] [stdout]   |            ^^^^^^^^ could not find `executor` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `test` in `tokio`
[INFO] [stdout]   --> tests/test.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[tokio::test]
[INFO] [stdout]    |          ^^^^ could not find `test` in `tokio`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `async-coap-tokio`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "af7f4481c065f6ff7ca75082a95ee427f510b59fd8f760630eb1d32ebd8b3d7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af7f4481c065f6ff7ca75082a95ee427f510b59fd8f760630eb1d32ebd8b3d7b", kill_on_drop: false }`
[INFO] [stdout] af7f4481c065f6ff7ca75082a95ee427f510b59fd8f760630eb1d32ebd8b3d7b