[INFO] fetching crate hreq-h2 0.2.6-v2...
[INFO] checking hreq-h2-0.2.6-v2 against beta for pr-78714
[INFO] extracting crate hreq-h2 0.2.6-v2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate hreq-h2 0.2.6-v2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hreq-h2 0.2.6-v2
[INFO] finished tweaking crates.io crate hreq-h2 0.2.6-v2
[INFO] tweaked toml for crates.io crate hreq-h2 0.2.6-v2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate hreq-h2 0.2.6-v2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c9f09986d9247da8a8efa95b61e9e66ddfec5100aecfc65b1ea431a89071253
[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" "8c9f09986d9247da8a8efa95b61e9e66ddfec5100aecfc65b1ea431a89071253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c9f09986d9247da8a8efa95b61e9e66ddfec5100aecfc65b1ea431a89071253", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c9f09986d9247da8a8efa95b61e9e66ddfec5100aecfc65b1ea431a89071253", kill_on_drop: false }`
[INFO] [stdout] 8c9f09986d9247da8a8efa95b61e9e66ddfec5100aecfc65b1ea431a89071253
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] 75faf2a45c19587cbf34fef6c36175866be8242e87c051e03e9e211ed2b658ad
[INFO] running `Command { std: "docker" "start" "-a" "75faf2a45c19587cbf34fef6c36175866be8242e87c051e03e9e211ed2b658ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking same-file v0.1.3
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling ring v0.16.13
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking walkdir v1.0.7
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking quickcheck v0.4.1
[INFO] [stderr]     Checking hreq-h2 v0.2.6-v2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking webpki-roots v0.17.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tokio-rustls v0.12.3
[INFO] [stdout] error[E0432]: unresolved import `h2`
[INFO] [stdout]  --> examples/akamai.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use h2::client;
[INFO] [stdout]   |     ^^ use of undeclared crate or module `h2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `h2`
[INFO] [stdout]  --> examples/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use h2::server;
[INFO] [stdout]   |     ^^ use of undeclared crate or module `h2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `h2`
[INFO] [stdout]  --> examples/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use h2::client;
[INFO] [stdout]   |     ^^ use of undeclared crate or module `h2`
[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 `hreq-h2`
[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] [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: 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" "75faf2a45c19587cbf34fef6c36175866be8242e87c051e03e9e211ed2b658ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75faf2a45c19587cbf34fef6c36175866be8242e87c051e03e9e211ed2b658ad", kill_on_drop: false }`
[INFO] [stdout] 75faf2a45c19587cbf34fef6c36175866be8242e87c051e03e9e211ed2b658ad