[INFO] fetching crate minicbor-io 0.2.2...
[INFO] checking minicbor-io-0.2.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate minicbor-io 0.2.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate minicbor-io 0.2.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minicbor-io 0.2.2
[INFO] finished tweaking crates.io crate minicbor-io 0.2.2
[INFO] tweaked toml for crates.io crate minicbor-io 0.2.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e80a5ac694ae7b83018081648c7efaf7dc34dab87823857f1f21ce2f5aff6639
[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" "e80a5ac694ae7b83018081648c7efaf7dc34dab87823857f1f21ce2f5aff6639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e80a5ac694ae7b83018081648c7efaf7dc34dab87823857f1f21ce2f5aff6639", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e80a5ac694ae7b83018081648c7efaf7dc34dab87823857f1f21ce2f5aff6639", kill_on_drop: false }`
[INFO] [stdout] e80a5ac694ae7b83018081648c7efaf7dc34dab87823857f1f21ce2f5aff6639
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 988205d23059abe3454f07b902fe3940a9170447e74c8d238e8510851d50b998
[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" "988205d23059abe3454f07b902fe3940a9170447e74c8d238e8510851d50b998", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling minicbor-derive v0.6.1
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking minicbor v0.7.1
[INFO] [stderr]     Checking minicbor-io v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `minicbor_io::AsyncReader`, `minicbor_io::AsyncWriter`
[INFO] [stdout]  --> tests/aio.rs:2:19
[INFO] [stdout]   |
[INFO] [stdout] 2 | use minicbor_io::{AsyncReader, AsyncWriter, Error};
[INFO] [stdout]   |                   ^^^^^^^^^^^  ^^^^^^^^^^^ no `AsyncWriter` in the root
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   no `AsyncReader` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `minicbor-io`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "988205d23059abe3454f07b902fe3940a9170447e74c8d238e8510851d50b998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "988205d23059abe3454f07b902fe3940a9170447e74c8d238e8510851d50b998", kill_on_drop: false }`
[INFO] [stdout] 988205d23059abe3454f07b902fe3940a9170447e74c8d238e8510851d50b998