[INFO] fetching crate h2 0.2.4...
[INFO] checking h2-0.2.4 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate h2 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate h2 0.2.4 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate h2 0.2.4
[INFO] finished tweaking crates.io crate h2 0.2.4
[INFO] tweaked toml for crates.io crate h2 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate h2 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 11a0119c4d8cd6a31713fe8582755db5bde135d25844ef096e9ae70c0d568437
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "11a0119c4d8cd6a31713fe8582755db5bde135d25844ef096e9ae70c0d568437"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr] error[E0606]: casting `f32` as `i32` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.4.1/src/arbitrary.rs:613:48
[INFO] [stderr]     |
[INFO] [stderr] 613 |         let it = shrinker::SignedShrinker::new(*self as i32);
[INFO] [stderr]     |                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0606]: casting `f64` as `i64` is invalid
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/quickcheck-0.4.1/src/arbitrary.rs:624:48
[INFO] [stderr]     |
[INFO] [stderr] 624 |         let it = shrinker::SignedShrinker::new(*self as i64);
[INFO] [stderr]     |                                                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0606`.
[INFO] [stderr] error: could not compile `quickcheck`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "11a0119c4d8cd6a31713fe8582755db5bde135d25844ef096e9ae70c0d568437"`
[INFO] running `"docker" "rm" "-f" "11a0119c4d8cd6a31713fe8582755db5bde135d25844ef096e9ae70c0d568437"`
[INFO] [stdout] 11a0119c4d8cd6a31713fe8582755db5bde135d25844ef096e9ae70c0d568437