[INFO] fetching crate minicbor-io 0.3.0...
[INFO] checking minicbor-io-0.3.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate minicbor-io 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate minicbor-io 0.3.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minicbor-io 0.3.0
[INFO] finished tweaking crates.io crate minicbor-io 0.3.0
[INFO] tweaked toml for crates.io crate minicbor-io 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 631154fd15fdbb1f6bcec27cbaf68bdbc51cd011629efab45eb5c552c3545877
[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" "631154fd15fdbb1f6bcec27cbaf68bdbc51cd011629efab45eb5c552c3545877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "631154fd15fdbb1f6bcec27cbaf68bdbc51cd011629efab45eb5c552c3545877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "631154fd15fdbb1f6bcec27cbaf68bdbc51cd011629efab45eb5c552c3545877", kill_on_drop: false }`
[INFO] [stdout] 631154fd15fdbb1f6bcec27cbaf68bdbc51cd011629efab45eb5c552c3545877
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec0beb341cb7184b4a40035cc196452b07519e726e4382a57e34fde2e4fb2aa8
[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" "ec0beb341cb7184b4a40035cc196452b07519e726e4382a57e34fde2e4fb2aa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking memchr v2.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking mio v0.7.10
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling minicbor-derive v0.6.2
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]     Checking minicbor v0.8.0
[INFO] [stderr]     Checking tokio-util v0.6.4
[INFO] [stderr]     Checking minicbor-io v0.3.0 (/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" "ec0beb341cb7184b4a40035cc196452b07519e726e4382a57e34fde2e4fb2aa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec0beb341cb7184b4a40035cc196452b07519e726e4382a57e34fde2e4fb2aa8", kill_on_drop: false }`
[INFO] [stdout] ec0beb341cb7184b4a40035cc196452b07519e726e4382a57e34fde2e4fb2aa8