[INFO] fetching crate sloggers 1.0.1...
[INFO] checking sloggers-1.0.1 against beta for pr-78714
[INFO] extracting crate sloggers 1.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate sloggers 1.0.1 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 sloggers 1.0.1
[INFO] finished tweaking crates.io crate sloggers 1.0.1
[INFO] tweaked toml for crates.io crate sloggers 1.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate sloggers 1.0.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 71a9e7aa8a3fc4347f4d5e9dd118b5f9aace40be3a8ab8b463ca928e01ef2a92
[INFO] running `Command { std: "docker" "start" "-a" "71a9e7aa8a3fc4347f4d5e9dd118b5f9aace40be3a8ab8b463ca928e01ef2a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71a9e7aa8a3fc4347f4d5e9dd118b5f9aace40be3a8ab8b463ca928e01ef2a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71a9e7aa8a3fc4347f4d5e9dd118b5f9aace40be3a8ab8b463ca928e01ef2a92", kill_on_drop: false }`
[INFO] [stdout] 71a9e7aa8a3fc4347f4d5e9dd118b5f9aace40be3a8ab8b463ca928e01ef2a92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 645d45fd6701bc158c9dff8f5a98469f9bed0ac203948cfed4f4130bdb943c79
[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" "645d45fd6701bc158c9dff8f5a98469f9bed0ac203948cfed4f4130bdb943c79", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking rmp v0.8.9
[INFO] [stderr]     Checking libflate v1.0.0
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-kvfilter v0.7.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking slog-stdlog v4.0.0
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking slog-term v2.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.0.0
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking rmp-serde v0.14.3
[INFO] [stderr]     Checking sloggers v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serdeconv v0.4.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.26s
[INFO] running `Command { std: "docker" "inspect" "645d45fd6701bc158c9dff8f5a98469f9bed0ac203948cfed4f4130bdb943c79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "645d45fd6701bc158c9dff8f5a98469f9bed0ac203948cfed4f4130bdb943c79", kill_on_drop: false }`
[INFO] [stdout] 645d45fd6701bc158c9dff8f5a98469f9bed0ac203948cfed4f4130bdb943c79