[INFO] fetching crate happylog 0.1.0...
[INFO] checking happylog-0.1.0 against beta for pr-78714
[INFO] extracting crate happylog 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate happylog 0.1.0 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 happylog 0.1.0
[INFO] finished tweaking crates.io crate happylog 0.1.0
[INFO] tweaked toml for crates.io crate happylog 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 2e039ce7dbb559945867ee4313f1e7ddbc3785be805948b47975a2086af92eb1
[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" "2e039ce7dbb559945867ee4313f1e7ddbc3785be805948b47975a2086af92eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2e039ce7dbb559945867ee4313f1e7ddbc3785be805948b47975a2086af92eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e039ce7dbb559945867ee4313f1e7ddbc3785be805948b47975a2086af92eb1", kill_on_drop: false }`
[INFO] [stdout] 2e039ce7dbb559945867ee4313f1e7ddbc3785be805948b47975a2086af92eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f5b8fab6b767ec2c44dce36394ccddae790da0dd095b8cde1bbcc31a5421ab2e
[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" "f5b8fab6b767ec2c44dce36394ccddae790da0dd095b8cde1bbcc31a5421ab2e", kill_on_drop: false }`
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.13
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking structopt v0.3.20
[INFO] [stderr]     Checking happylog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `out`
[INFO] [stdout]   --> src/console_emitter.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 40 |   out: &'static AtomicPtr<Target>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `out`
[INFO] [stdout]   --> src/console_emitter.rs:40:3
[INFO] [stdout]    |
[INFO] [stdout] 40 |   out: &'static AtomicPtr<Target>
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.76s
[INFO] running `Command { std: "docker" "inspect" "f5b8fab6b767ec2c44dce36394ccddae790da0dd095b8cde1bbcc31a5421ab2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b8fab6b767ec2c44dce36394ccddae790da0dd095b8cde1bbcc31a5421ab2e", kill_on_drop: false }`
[INFO] [stdout] f5b8fab6b767ec2c44dce36394ccddae790da0dd095b8cde1bbcc31a5421ab2e