[INFO] fetching crate twitch-send 1.0.2...
[INFO] checking twitch-send-1.0.2 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate twitch-send 1.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate twitch-send 1.0.2 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch-send 1.0.2
[INFO] finished tweaking crates.io crate twitch-send 1.0.2
[INFO] tweaked toml for crates.io crate twitch-send 1.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate twitch-send 1.0.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 261a4bd8db3e6e3d037e272d3c5e084c513a81cd88fab89b1eff986376338634
[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" "261a4bd8db3e6e3d037e272d3c5e084c513a81cd88fab89b1eff986376338634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "261a4bd8db3e6e3d037e272d3c5e084c513a81cd88fab89b1eff986376338634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "261a4bd8db3e6e3d037e272d3c5e084c513a81cd88fab89b1eff986376338634", kill_on_drop: false }`
[INFO] [stdout] 261a4bd8db3e6e3d037e272d3c5e084c513a81cd88fab89b1eff986376338634
[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=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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2573b3dbdbe558ea1fdb091977990ba83806bcbf49a7760417a1501c68fbe49
[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" "e2573b3dbdbe558ea1fdb091977990ba83806bcbf49a7760417a1501c68fbe49", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.12
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking mio v0.7.7
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling async-stream-impl v0.3.0
[INFO] [stderr]    Compiling async-trait v0.1.42
[INFO] [stderr]    Compiling enum_dispatch v0.3.5
[INFO] [stderr]     Checking async-stream v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking tokio-util v0.6.3
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking twitch-irc v2.2.0
[INFO] [stderr]     Checking twitch-send v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.26s
[INFO] running `Command { std: "docker" "inspect" "e2573b3dbdbe558ea1fdb091977990ba83806bcbf49a7760417a1501c68fbe49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2573b3dbdbe558ea1fdb091977990ba83806bcbf49a7760417a1501c68fbe49", kill_on_drop: false }`
[INFO] [stdout] e2573b3dbdbe558ea1fdb091977990ba83806bcbf49a7760417a1501c68fbe49