[INFO] fetching crate pretty_logger 0.1.8...
[INFO] checking pretty_logger-0.1.8 against beta for pr-78714
[INFO] extracting crate pretty_logger 0.1.8 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate pretty_logger 0.1.8 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 pretty_logger 0.1.8
[INFO] finished tweaking crates.io crate pretty_logger 0.1.8
[INFO] tweaked toml for crates.io crate pretty_logger 0.1.8 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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] 2af116ca0e3f8261b687090e7de3c0a4d9dceacc46ca069d427128ee4fcda073
[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" "2af116ca0e3f8261b687090e7de3c0a4d9dceacc46ca069d427128ee4fcda073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2af116ca0e3f8261b687090e7de3c0a4d9dceacc46ca069d427128ee4fcda073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2af116ca0e3f8261b687090e7de3c0a4d9dceacc46ca069d427128ee4fcda073", kill_on_drop: false }`
[INFO] [stdout] 2af116ca0e3f8261b687090e7de3c0a4d9dceacc46ca069d427128ee4fcda073
[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] edd96dae3a536dac91a448ac36b312e4de2f742f3b08cef7fa3ab0ee8b42057d
[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" "edd96dae3a536dac91a448ac36b312e4de2f742f3b08cef7fa3ab0ee8b42057d", kill_on_drop: false }`
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking isatty v0.1.9
[INFO] [stderr]     Checking pretty_logger v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write(&self) -> Box<Write> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:45:28
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn write(&self) -> Box<Write> {
[INFO] [stdout]    |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` 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 1.43s
[INFO] running `Command { std: "docker" "inspect" "edd96dae3a536dac91a448ac36b312e4de2f742f3b08cef7fa3ab0ee8b42057d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd96dae3a536dac91a448ac36b312e4de2f742f3b08cef7fa3ab0ee8b42057d", kill_on_drop: false }`
[INFO] [stdout] edd96dae3a536dac91a448ac36b312e4de2f742f3b08cef7fa3ab0ee8b42057d