[INFO] fetching crate twitchchat 0.12.4...
[INFO] checking twitchchat-0.12.4 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate twitchchat 0.12.4 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate twitchchat 0.12.4 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitchchat 0.12.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitchchat 0.12.4
[INFO] tweaked toml for crates.io crate twitchchat 0.12.4 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate twitchchat 0.12.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v0.6.1
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded rmp v0.8.9
[INFO] [stderr]   Downloaded async-dup v1.2.1
[INFO] [stderr]   Downloaded simple-mutex v1.1.5
[INFO] [stderr]   Downloaded multitask v0.2.0
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded kv-log-macro v1.0.7
[INFO] [stderr]   Downloaded async-channel v1.4.1
[INFO] [stderr]   Downloaded smol v0.4.1
[INFO] [stderr]   Downloaded rmp-serde v0.14.4
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded async-rwlock v1.0.1
[INFO] [stderr]   Downloaded async-process v0.1.3
[INFO] [stderr]   Downloaded webpki-roots v0.20.0
[INFO] [stderr]   Downloaded async-executor v0.2.0
[INFO] [stderr]   Downloaded futures-lite v1.0.0
[INFO] [stderr]   Downloaded async-lock v2.0.1
[INFO] [stderr]   Downloaded event-listener v2.4.0
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded async-std v1.6.3
[INFO] [stderr]   Downloaded async-tls v0.9.0
[INFO] [stderr]   Downloaded tokio-rustls v0.14.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded tokio-native-tls v0.1.0
[INFO] [stderr]   Downloaded signal-hook v0.1.16
[INFO] [stderr]   Downloaded syn v1.0.39
[INFO] [stderr]   Downloaded async-io v0.1.11
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded anyhow v1.0.32
[INFO] [stderr]   Downloaded async-executor v0.1.2
[INFO] [stderr]   Downloaded arc-swap v0.4.7
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded futures-timer v3.0.2
[INFO] [stderr]   Downloaded async-net v1.0.0
[INFO] [stderr]   Downloaded polling v0.1.5
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.6
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded async-io v0.2.5
[INFO] [stderr]   Downloaded async-fs v1.1.1
[INFO] [stderr]   Downloaded async-mutex v1.1.5
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e12171ee48e871232ced5cd063090751109217aa54e734b8832f9a3c315a35cf
[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" "e12171ee48e871232ced5cd063090751109217aa54e734b8832f9a3c315a35cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e12171ee48e871232ced5cd063090751109217aa54e734b8832f9a3c315a35cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e12171ee48e871232ced5cd063090751109217aa54e734b8832f9a3c315a35cf", kill_on_drop: false }`
[INFO] [stdout] e12171ee48e871232ced5cd063090751109217aa54e734b8832f9a3c315a35cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2bb7da8fc86fc73119ef90d4996f97d87224d34c72599e5ae803ee849d11805
[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" "c2bb7da8fc86fc73119ef90d4996f97d87224d34c72599e5ae803ee849d11805", kill_on_drop: false }`
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking event-listener v2.4.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking simple-mutex v1.1.5
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking futures-lite v1.0.0
[INFO] [stderr]     Checking async-dup v1.2.1
[INFO] [stderr]     Checking async-executor v0.2.0
[INFO] [stderr]     Checking twitchchat v0.12.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking rmp-serde v0.14.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.91s
[INFO] running `Command { std: "docker" "inspect" "c2bb7da8fc86fc73119ef90d4996f97d87224d34c72599e5ae803ee849d11805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bb7da8fc86fc73119ef90d4996f97d87224d34c72599e5ae803ee849d11805", kill_on_drop: false }`
[INFO] [stdout] c2bb7da8fc86fc73119ef90d4996f97d87224d34c72599e5ae803ee849d11805