[INFO] fetching crate symbolic 8.0.0...
[INFO] checking symbolic-8.0.0 against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] extracting crate symbolic 8.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate symbolic 8.0.0 on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.0.0
[INFO] finished tweaking crates.io crate symbolic 8.0.0
[INFO] tweaked toml for crates.io crate symbolic 8.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-demangle v8.0.0
[INFO] [stderr]   Downloaded symbolic-symcache v8.0.0
[INFO] [stderr]   Downloaded symbolic-sourcemap v8.0.0
[INFO] [stderr]   Downloaded symbolic-unreal v8.0.0
[INFO] [stderr]   Downloaded symbolic-minidump v8.0.0
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] 36f4e1a52e970c390580002e3a41df4b81678cbf5709a961ba8dc0a9055f30c3
[INFO] running `Command { std: "docker" "start" "-a" "36f4e1a52e970c390580002e3a41df4b81678cbf5709a961ba8dc0a9055f30c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36f4e1a52e970c390580002e3a41df4b81678cbf5709a961ba8dc0a9055f30c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f4e1a52e970c390580002e3a41df4b81678cbf5709a961ba8dc0a9055f30c3", kill_on_drop: false }`
[INFO] [stdout] 36f4e1a52e970c390580002e3a41df4b81678cbf5709a961ba8dc0a9055f30c3
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a7199e2bccb7acf302400712165d8cb7a8b81f34ac6d3f505769f1d45040aa0
[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" "3a7199e2bccb7acf302400712165d8cb7a8b81f34ac6d3f505769f1d45040aa0", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling anyhow v1.0.36
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking wasmparser v0.68.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling scroll_derive v0.10.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking pdb v0.6.0
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking walrus v0.18.0
[INFO] [stderr]     Checking symbolic-debuginfo v8.0.0
[INFO] [stderr]     Checking symbolic v8.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.76s
[INFO] running `Command { std: "docker" "inspect" "3a7199e2bccb7acf302400712165d8cb7a8b81f34ac6d3f505769f1d45040aa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a7199e2bccb7acf302400712165d8cb7a8b81f34ac6d3f505769f1d45040aa0", kill_on_drop: false }`
[INFO] [stdout] 3a7199e2bccb7acf302400712165d8cb7a8b81f34ac6d3f505769f1d45040aa0