[INFO] fetching crate slog-scope 4.4.0...
[INFO] checking slog-scope-4.4.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate slog-scope 4.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate slog-scope 4.4.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-scope 4.4.0
[INFO] finished tweaking crates.io crate slog-scope 4.4.0
[INFO] tweaked toml for crates.io crate slog-scope 4.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate slog-scope 4.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.5
[INFO] [stderr]   Downloaded chrono v0.4.4
[INFO] [stderr]   Downloaded isatty v0.1.8
[INFO] [stderr]   Downloaded slog-term v2.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 349acb96f1f7f62272658bf44604cb65e8f13c1c1dbbab68fd6e807dfe5877b1
[INFO] running `Command { std: "docker" "start" "-a" "349acb96f1f7f62272658bf44604cb65e8f13c1c1dbbab68fd6e807dfe5877b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "349acb96f1f7f62272658bf44604cb65e8f13c1c1dbbab68fd6e807dfe5877b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349acb96f1f7f62272658bf44604cb65e8f13c1c1dbbab68fd6e807dfe5877b1", kill_on_drop: false }`
[INFO] [stdout] 349acb96f1f7f62272658bf44604cb65e8f13c1c1dbbab68fd6e807dfe5877b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47f822d96be077abb7300a7e8c4f51f0de228e44738e1edb4cdc6dae9da5052e
[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" "47f822d96be077abb7300a7e8c4f51f0de228e44738e1edb4cdc6dae9da5052e", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking slog-scope v4.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking chrono v0.4.4
[INFO] [stderr]     Checking slog-term v2.0.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "47f822d96be077abb7300a7e8c4f51f0de228e44738e1edb4cdc6dae9da5052e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f822d96be077abb7300a7e8c4f51f0de228e44738e1edb4cdc6dae9da5052e", kill_on_drop: false }`
[INFO] [stdout] 47f822d96be077abb7300a7e8c4f51f0de228e44738e1edb4cdc6dae9da5052e