[INFO] fetching crate symbolic 8.5.0...
[INFO] checking symbolic-8.5.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate symbolic 8.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate symbolic 8.5.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.5.0
[INFO] finished tweaking crates.io crate symbolic 8.5.0
[INFO] tweaked toml for crates.io crate symbolic 8.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dbe80a12b456b21d12aaef384972ede77c6d3984d8e67391e66fc9a75be81b8
[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" "5dbe80a12b456b21d12aaef384972ede77c6d3984d8e67391e66fc9a75be81b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dbe80a12b456b21d12aaef384972ede77c6d3984d8e67391e66fc9a75be81b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbe80a12b456b21d12aaef384972ede77c6d3984d8e67391e66fc9a75be81b8", kill_on_drop: false }`
[INFO] [stdout] 5dbe80a12b456b21d12aaef384972ede77c6d3984d8e67391e66fc9a75be81b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a7629b6f28ec93cb3ef5196d8ca2cf7d5aaab07e412b3dc8efe80cd95378841
[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" "2a7629b6f28ec93cb3ef5196d8ca2cf7d5aaab07e412b3dc8efe80cd95378841", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling crc32fast v1.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking wasmparser v0.77.0
[INFO] [stderr]     Checking leb128 v0.2.5
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking brownstone v1.0.1
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking anyhow v1.0.50
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking symbolic-common v8.5.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking nom-supreme v0.6.0
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking walrus v0.19.0
[INFO] [stderr]     Checking goblin v0.4.3
[INFO] [stderr]     Checking pdb v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking string_cache v0.8.2
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-debuginfo v8.5.0
[INFO] [stderr]     Checking symbolic v8.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "2a7629b6f28ec93cb3ef5196d8ca2cf7d5aaab07e412b3dc8efe80cd95378841", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7629b6f28ec93cb3ef5196d8ca2cf7d5aaab07e412b3dc8efe80cd95378841", kill_on_drop: false }`
[INFO] [stdout] 2a7629b6f28ec93cb3ef5196d8ca2cf7d5aaab07e412b3dc8efe80cd95378841