[INFO] fetching crate twitch_oauth2 0.5.0-alpha.2...
[INFO] checking twitch_oauth2-0.5.0-alpha.2 against beta for pr-78714
[INFO] extracting crate twitch_oauth2 0.5.0-alpha.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate twitch_oauth2 0.5.0-alpha.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate twitch_oauth2 0.5.0-alpha.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitch_oauth2 0.5.0-alpha.2
[INFO] tweaked toml for crates.io crate twitch_oauth2 0.5.0-alpha.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate twitch_oauth2 0.5.0-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4254547ee0ceec4aeafa616d1f698080c36457bb2c4e3aeceef0831db1103913
[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" "4254547ee0ceec4aeafa616d1f698080c36457bb2c4e3aeceef0831db1103913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4254547ee0ceec4aeafa616d1f698080c36457bb2c4e3aeceef0831db1103913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4254547ee0ceec4aeafa616d1f698080c36457bb2c4e3aeceef0831db1103913", kill_on_drop: false }`
[INFO] [stdout] 4254547ee0ceec4aeafa616d1f698080c36457bb2c4e3aeceef0831db1103913
[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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e706f6f36b41990da4eaf9185c341be0e8ad05af56bc31cb7f4f94c83097036a
[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" "e706f6f36b41990da4eaf9185c341be0e8ad05af56bc31cb7f4f94c83097036a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling twitch_oauth2 v0.5.0-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]    Compiling tokio-macros v0.3.0
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tokio v0.3.0
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking oauth2 v4.0.0-alpha.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.79s
[INFO] running `Command { std: "docker" "inspect" "e706f6f36b41990da4eaf9185c341be0e8ad05af56bc31cb7f4f94c83097036a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e706f6f36b41990da4eaf9185c341be0e8ad05af56bc31cb7f4f94c83097036a", kill_on_drop: false }`
[INFO] [stdout] e706f6f36b41990da4eaf9185c341be0e8ad05af56bc31cb7f4f94c83097036a