[INFO] fetching crate tracing-bunyan-formatter 0.2.0...
[INFO] checking tracing-bunyan-formatter-0.2.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate tracing-bunyan-formatter 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tracing-bunyan-formatter 0.2.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-bunyan-formatter 0.2.0
[INFO] finished tweaking crates.io crate tracing-bunyan-formatter 0.2.0
[INFO] tweaked toml for crates.io crate tracing-bunyan-formatter 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba5467fe5e4f00d5d27ff382814972215a177013b7532d2218bad3d50803e59
[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" "7ba5467fe5e4f00d5d27ff382814972215a177013b7532d2218bad3d50803e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba5467fe5e4f00d5d27ff382814972215a177013b7532d2218bad3d50803e59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba5467fe5e4f00d5d27ff382814972215a177013b7532d2218bad3d50803e59", kill_on_drop: false }`
[INFO] [stdout] 7ba5467fe5e4f00d5d27ff382814972215a177013b7532d2218bad3d50803e59
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5d81eb07590d0387e009d4763b9cbaf46029165cb2e698c65ffd5e1e6b262bf
[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" "c5d81eb07590d0387e009d4763b9cbaf46029165cb2e698c65ffd5e1e6b262bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.92
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.44s
[INFO] running `Command { std: "docker" "inspect" "c5d81eb07590d0387e009d4763b9cbaf46029165cb2e698c65ffd5e1e6b262bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5d81eb07590d0387e009d4763b9cbaf46029165cb2e698c65ffd5e1e6b262bf", kill_on_drop: false }`
[INFO] [stdout] c5d81eb07590d0387e009d4763b9cbaf46029165cb2e698c65ffd5e1e6b262bf