[INFO] fetching crate twitch_api2 0.5.0-alpha.3...
[INFO] checking twitch_api2-0.5.0-alpha.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate twitch_api2 0.5.0-alpha.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate twitch_api2 0.5.0-alpha.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch_api2 0.5.0-alpha.3
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitch_api2 0.5.0-alpha.3
[INFO] tweaked toml for crates.io crate twitch_api2 0.5.0-alpha.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate twitch_api2 0.5.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-executor v0.3.10
[INFO] [stderr]   Downloaded typed-builder v0.8.0
[INFO] [stderr]   Downloaded futures v0.3.10
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded twitch_oauth2 v0.5.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", 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] f26cf3d08f209d51d3a4857d2311ef7a584bd2d61c19f89da22eda12d59485d6
[INFO] running `Command { std: "docker" "start" "-a" "f26cf3d08f209d51d3a4857d2311ef7a584bd2d61c19f89da22eda12d59485d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f26cf3d08f209d51d3a4857d2311ef7a584bd2d61c19f89da22eda12d59485d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f26cf3d08f209d51d3a4857d2311ef7a584bd2d61c19f89da22eda12d59485d6", kill_on_drop: false }`
[INFO] [stdout] f26cf3d08f209d51d3a4857d2311ef7a584bd2d61c19f89da22eda12d59485d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d51d8f8ea7ec1a33f59ace18eb5eb04697061a58e90764db732865d42d33087e
[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" "d51d8f8ea7ec1a33f59ace18eb5eb04697061a58e90764db732865d42d33087e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.10
[INFO] [stderr]     Checking futures-sink v0.3.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking futures-io v0.3.10
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]    Compiling twitch_api2 v0.5.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.0.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]     Checking futures-channel v0.3.10
[INFO] [stderr]     Checking futures-task v0.3.10
[INFO] [stderr]    Compiling futures-macro v0.3.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling tokio-macros v1.0.0
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking futures-util v0.3.10
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking futures-executor v0.3.10
[INFO] [stderr]     Checking futures v0.3.10
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "d51d8f8ea7ec1a33f59ace18eb5eb04697061a58e90764db732865d42d33087e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51d8f8ea7ec1a33f59ace18eb5eb04697061a58e90764db732865d42d33087e", kill_on_drop: false }`
[INFO] [stdout] d51d8f8ea7ec1a33f59ace18eb5eb04697061a58e90764db732865d42d33087e