[INFO] fetching crate below-dump 0.3.0...
[INFO] checking below-dump-0.3.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate below-dump 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate below-dump 0.3.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate below-dump 0.3.0
[INFO] finished tweaking crates.io crate below-dump 0.3.0
[INFO] tweaked toml for crates.io crate below-dump 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] 2123499b1d46c8afcb5d4a466a3ff40ed57981613b664362ae1282c80fecfef4
[INFO] running `Command { std: "docker" "start" "-a" "2123499b1d46c8afcb5d4a466a3ff40ed57981613b664362ae1282c80fecfef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2123499b1d46c8afcb5d4a466a3ff40ed57981613b664362ae1282c80fecfef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2123499b1d46c8afcb5d4a466a3ff40ed57981613b664362ae1282c80fecfef4", kill_on_drop: false }`
[INFO] [stdout] 2123499b1d46c8afcb5d4a466a3ff40ed57981613b664362ae1282c80fecfef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4b3d1d3d5f9a0ee0156aef2147614e3f4b7e82afaa1651b0ddae4b3ddf3a90
[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" "3c4b3d1d3d5f9a0ee0156aef2147614e3f4b7e82afaa1651b0ddae4b3ddf3a90", 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] [stderr]    Compiling zstd-safe v4.0.0+zstd.1.4.9
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling zstd-sys v1.5.0+zstd.1.4.9
[INFO] [stderr]     Checking structopt v0.3.22
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking fb_procfs v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking cgroupfs v0.3.0
[INFO] [stderr]     Checking os_info v3.0.6
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking cursive_core v0.2.2
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]     Checking below-model v0.3.0
[INFO] [stderr]     Checking below-config v0.3.0
[INFO] [stderr]     Checking cursive v0.16.3
[INFO] [stderr]     Checking below-common v0.3.0
[INFO] [stderr]     Checking below-render v0.3.0
[INFO] [stderr]     Checking zstd v0.8.0+zstd.1.4.9
[INFO] [stderr]     Checking below-store v0.3.0
[INFO] [stderr]     Checking below-dump v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.75s
[INFO] running `Command { std: "docker" "inspect" "3c4b3d1d3d5f9a0ee0156aef2147614e3f4b7e82afaa1651b0ddae4b3ddf3a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4b3d1d3d5f9a0ee0156aef2147614e3f4b7e82afaa1651b0ddae4b3ddf3a90", kill_on_drop: false }`
[INFO] [stdout] 3c4b3d1d3d5f9a0ee0156aef2147614e3f4b7e82afaa1651b0ddae4b3ddf3a90