[INFO] fetching crate twitch_oauth2 0.5.0-alpha.1...
[INFO] checking twitch_oauth2-0.5.0-alpha.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate twitch_oauth2 0.5.0-alpha.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate twitch_oauth2 0.5.0-alpha.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch_oauth2 0.5.0-alpha.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitch_oauth2 0.5.0-alpha.1
[INFO] tweaked toml for crates.io crate twitch_oauth2 0.5.0-alpha.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate twitch_oauth2 0.5.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blocking v0.5.2
[INFO] [stderr]   Downloaded standback v0.2.10
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded surf v2.0.0-alpha.5
[INFO] [stderr]   Downloaded oauth2 v4.0.0-alpha.1
[INFO] [stderr]   Downloaded time v0.2.18
[INFO] [stderr]   Downloaded displaydoc v0.1.7
[INFO] [stderr]   Downloaded http-client v4.0.0
[INFO] [stderr]   Downloaded event-listener v2.4.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fb0dc2437322011926602a91961a03954d9df5f1e84eb5c71acacb554725ce5
[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" "4fb0dc2437322011926602a91961a03954d9df5f1e84eb5c71acacb554725ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fb0dc2437322011926602a91961a03954d9df5f1e84eb5c71acacb554725ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fb0dc2437322011926602a91961a03954d9df5f1e84eb5c71acacb554725ce5", kill_on_drop: false }`
[INFO] [stdout] 4fb0dc2437322011926602a91961a03954d9df5f1e84eb5c71acacb554725ce5
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 80d6e41fba141d5ca04d80c1f96ec2c24c3b3682448a14fb03a6797ea37dfe8b
[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" "80d6e41fba141d5ca04d80c1f96ec2c24c3b3682448a14fb03a6797ea37dfe8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling twitch_oauth2 v0.5.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.1
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling async-trait v0.1.40
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking oauth2 v4.0.0-alpha.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 57.79s
[INFO] running `Command { std: "docker" "inspect" "80d6e41fba141d5ca04d80c1f96ec2c24c3b3682448a14fb03a6797ea37dfe8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80d6e41fba141d5ca04d80c1f96ec2c24c3b3682448a14fb03a6797ea37dfe8b", kill_on_drop: false }`
[INFO] [stdout] 80d6e41fba141d5ca04d80c1f96ec2c24c3b3682448a14fb03a6797ea37dfe8b