[INFO] fetching crate craftping 0.3.0...
[INFO] testing craftping-0.3.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate craftping 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate craftping 0.3.0 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate craftping 0.3.0
[INFO] finished tweaking crates.io crate craftping 0.3.0
[INFO] tweaked toml for crates.io crate craftping 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate craftping 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6280da3e8eae296c7fdfc89733e204abcb4d3c2f736e18a0513e60113ceaf489
[INFO] running `Command { std: "docker" "start" "-a" "6280da3e8eae296c7fdfc89733e204abcb4d3c2f736e18a0513e60113ceaf489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6280da3e8eae296c7fdfc89733e204abcb4d3c2f736e18a0513e60113ceaf489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6280da3e8eae296c7fdfc89733e204abcb4d3c2f736e18a0513e60113ceaf489", kill_on_drop: false }`
[INFO] [stdout] 6280da3e8eae296c7fdfc89733e204abcb4d3c2f736e18a0513e60113ceaf489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bbaf068455a98fafdda5346e2c9e99bf7bc853ab8802c63d03b53bf63ba2178
[INFO] running `Command { std: "docker" "start" "-a" "3bbaf068455a98fafdda5346e2c9e99bf7bc853ab8802c63d03b53bf63ba2178", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling craftping v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.65s
[INFO] running `Command { std: "docker" "inspect" "3bbaf068455a98fafdda5346e2c9e99bf7bc853ab8802c63d03b53bf63ba2178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bbaf068455a98fafdda5346e2c9e99bf7bc853ab8802c63d03b53bf63ba2178", kill_on_drop: false }`
[INFO] [stdout] 3bbaf068455a98fafdda5346e2c9e99bf7bc853ab8802c63d03b53bf63ba2178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d999a4e6fa06a846d21e4d14ff2d29543f4e9aabda02c8e6de77be9d60ec9c74
[INFO] running `Command { std: "docker" "start" "-a" "d999a4e6fa06a846d21e4d14ff2d29543f4e9aabda02c8e6de77be9d60ec9c74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling async-mutex v1.4.0
[INFO] [stderr]    Compiling async-lock v2.4.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.1
[INFO] [stderr]    Compiling polling v2.1.0
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-global-executor v2.0.2
[INFO] [stderr]    Compiling async-std v1.10.0
[INFO] [stderr]    Compiling craftping v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `craftping::futures`
[INFO] [stdout]  --> examples/async-std.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use craftping::futures::ping;
[INFO] [stdout]   |                ^^^^^^^ could not find `futures` in `craftping`
[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] [stdout] error[E0432]: unresolved import `craftping::tokio`
[INFO] [stdout]  --> examples/tokio.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use craftping::tokio::ping;
[INFO] [stdout]   |                ^^^^^ could not find `tokio` in `craftping`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `craftping` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "d999a4e6fa06a846d21e4d14ff2d29543f4e9aabda02c8e6de77be9d60ec9c74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d999a4e6fa06a846d21e4d14ff2d29543f4e9aabda02c8e6de77be9d60ec9c74", kill_on_drop: false }`
[INFO] [stdout] d999a4e6fa06a846d21e4d14ff2d29543f4e9aabda02c8e6de77be9d60ec9c74