[INFO] cloning repository https://github.com/RAnders00/twitch-irc-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RAnders00/twitch-irc-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRAnders00%2Ftwitch-irc-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRAnders00%2Ftwitch-irc-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1a63280c5ec0dc1f60cbf1aded0a9ef9c5edd60c
[INFO] checking RAnders00/twitch-irc-rs against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRAnders00%2Ftwitch-irc-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/RAnders00/twitch-irc-rs on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/RAnders00/twitch-irc-rs
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/RAnders00/twitch-irc-rs
[INFO] tweaked toml for git repo https://github.com/RAnders00/twitch-irc-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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 httpdate v1.0.0
[INFO] [stderr]   Downloaded metrics-macros v0.2.0
[INFO] [stderr]   Downloaded reqwest v0.11.3
[INFO] [stderr]   Downloaded tungstenite v0.13.0
[INFO] [stderr]   Downloaded input_buffer v0.4.0
[INFO] [stderr]   Downloaded hyper v0.14.7
[INFO] [stderr]   Downloaded webpki-roots v0.21.1
[INFO] [stderr]   Downloaded metrics v0.14.2
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] [stderr]   Downloaded rustls v0.19.1
[INFO] [stderr]   Downloaded async-tungstenite v0.13.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 496a7f9cb517f40421095ff8bc9ff1dc293d6cac879508a40f626b38482abacf
[INFO] running `Command { std: "docker" "start" "-a" "496a7f9cb517f40421095ff8bc9ff1dc293d6cac879508a40f626b38482abacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "496a7f9cb517f40421095ff8bc9ff1dc293d6cac879508a40f626b38482abacf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "496a7f9cb517f40421095ff8bc9ff1dc293d6cac879508a40f626b38482abacf", kill_on_drop: false }`
[INFO] [stdout] 496a7f9cb517f40421095ff8bc9ff1dc293d6cac879508a40f626b38482abacf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f20a4f9492b1ffb507f86a068cda63c9f169ee19dce8e8ed5d4ae99177349efe
[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" "f20a4f9492b1ffb507f86a068cda63c9f169ee19dce8e8ed5d4ae99177349efe", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking futures-sink v0.3.14
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling enum_dispatch v0.3.5
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking tokio-util v0.6.6
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking twitch-irc v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "f20a4f9492b1ffb507f86a068cda63c9f169ee19dce8e8ed5d4ae99177349efe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20a4f9492b1ffb507f86a068cda63c9f169ee19dce8e8ed5d4ae99177349efe", kill_on_drop: false }`
[INFO] [stdout] f20a4f9492b1ffb507f86a068cda63c9f169ee19dce8e8ed5d4ae99177349efe