[INFO] fetching crate symbolic 8.0.3...
[INFO] checking symbolic-8.0.3 against try#9c1dcf141bc0875407c4eb36972857bd3db713e2 for pr-81863
[INFO] extracting crate symbolic 8.0.3 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate symbolic 8.0.3 on toolchain 9c1dcf141bc0875407c4eb36972857bd3db713e2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.0.3
[INFO] finished tweaking crates.io crate symbolic 8.0.3
[INFO] tweaked toml for crates.io crate symbolic 8.0.3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-demangle v8.0.3
[INFO] [stderr]   Downloaded symbolic-unreal v8.0.3
[INFO] [stderr]   Downloaded symbolic-symcache v8.0.3
[INFO] [stderr]   Downloaded symbolic-sourcemap v8.0.3
[INFO] [stderr]   Downloaded symbolic-minidump v8.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 413777bbdb20a4fa7022cd170ae8b09e4b0dcfa86373afe476d1d020a6d54532
[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" "413777bbdb20a4fa7022cd170ae8b09e4b0dcfa86373afe476d1d020a6d54532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "413777bbdb20a4fa7022cd170ae8b09e4b0dcfa86373afe476d1d020a6d54532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "413777bbdb20a4fa7022cd170ae8b09e4b0dcfa86373afe476d1d020a6d54532", kill_on_drop: false }`
[INFO] [stdout] 413777bbdb20a4fa7022cd170ae8b09e4b0dcfa86373afe476d1d020a6d54532
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ce6408862c0f4858e6cd2b85b2cf085ff7d0d6323904d0a94b71664a228554ab" "/opt/rustwide/cargo-home/bin/cargo" "+9c1dcf141bc0875407c4eb36972857bd3db713e2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d51b069b3e6b97d85d5369ec59ffa52ce02922c84125eecdc9cc6108b0b6ec59
[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" "d51b069b3e6b97d85d5369ec59ffa52ce02922c84125eecdc9cc6108b0b6ec59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking podio v0.1.7
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking walrus v0.18.0
[INFO] [stderr]     Checking pdb v0.6.0
[INFO] [stderr]     Checking goblin v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking symbolic-debuginfo v8.0.3
[INFO] [stderr]     Checking symbolic v8.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "d51b069b3e6b97d85d5369ec59ffa52ce02922c84125eecdc9cc6108b0b6ec59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d51b069b3e6b97d85d5369ec59ffa52ce02922c84125eecdc9cc6108b0b6ec59", kill_on_drop: false }`
[INFO] [stdout] d51b069b3e6b97d85d5369ec59ffa52ce02922c84125eecdc9cc6108b0b6ec59