[INFO] fetching crate symbolic 8.0.2...
[INFO] checking symbolic-8.0.2 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate symbolic 8.0.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate symbolic 8.0.2 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.0.2
[INFO] finished tweaking crates.io crate symbolic 8.0.2
[INFO] tweaked toml for crates.io crate symbolic 8.0.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "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] ad275d925c60beceeb750aa1b23588f41fb742c78c661a630d589eea8775db8f
[INFO] running `Command { std: "docker" "start" "-a" "ad275d925c60beceeb750aa1b23588f41fb742c78c661a630d589eea8775db8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad275d925c60beceeb750aa1b23588f41fb742c78c661a630d589eea8775db8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad275d925c60beceeb750aa1b23588f41fb742c78c661a630d589eea8775db8f", kill_on_drop: false }`
[INFO] [stdout] ad275d925c60beceeb750aa1b23588f41fb742c78c661a630d589eea8775db8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 30a9d18dadba7dcb1b26278e178f4016e362e0c1e912e82ae182df3fc44e5b67
[INFO] running `Command { std: "docker" "start" "-a" "30a9d18dadba7dcb1b26278e178f4016e362e0c1e912e82ae182df3fc44e5b67", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking wasmparser v0.59.0
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking wasmparser v0.68.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking thread_local v1.1.2
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.19
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking symbolic-common v8.0.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking bzip2 v0.3.3
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]     Checking zip v0.5.6
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]    Compiling walrus-macro v0.18.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking pdb v0.6.0
[INFO] [stderr]     Checking goblin v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking walrus v0.18.0
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking symbolic-debuginfo v8.0.2
[INFO] [stderr]     Checking symbolic v8.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "30a9d18dadba7dcb1b26278e178f4016e362e0c1e912e82ae182df3fc44e5b67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30a9d18dadba7dcb1b26278e178f4016e362e0c1e912e82ae182df3fc44e5b67", kill_on_drop: false }`
[INFO] [stdout] 30a9d18dadba7dcb1b26278e178f4016e362e0c1e912e82ae182df3fc44e5b67