[INFO] fetching crate symbolic 8.3.0...
[INFO] checking symbolic-8.3.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate symbolic 8.3.0 into /workspace/builds/worker-75/source
[INFO] validating manifest of crates.io crate symbolic 8.3.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate symbolic 8.3.0
[INFO] finished tweaking crates.io crate symbolic 8.3.0
[INFO] tweaked toml for crates.io crate symbolic 8.3.0 written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "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" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fca9e3b2f18dc5b8ad379817596cc670799ac070b94c740ecd33b60ce56f4b2a
[INFO] running `Command { std: "docker" "start" "-a" "fca9e3b2f18dc5b8ad379817596cc670799ac070b94c740ecd33b60ce56f4b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca9e3b2f18dc5b8ad379817596cc670799ac070b94c740ecd33b60ce56f4b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca9e3b2f18dc5b8ad379817596cc670799ac070b94c740ecd33b60ce56f4b2a", kill_on_drop: false }`
[INFO] [stdout] fca9e3b2f18dc5b8ad379817596cc670799ac070b94c740ecd33b60ce56f4b2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb2bf4a27478cff97d12f03788656d5e7f3815219a0b0415c0d6500ea8065fc
[INFO] running `Command { std: "docker" "start" "-a" "1fb2bf4a27478cff97d12f03788656d5e7f3815219a0b0415c0d6500ea8065fc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking siphasher v0.3.7
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]     Checking wasmparser v0.77.0
[INFO] [stderr]     Checking indent_write v2.2.0
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking brownstone v1.0.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking symbolic-common v8.3.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking nom-supreme v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]     Checking pdb v0.7.0
[INFO] [stderr]     Checking goblin v0.4.3
[INFO] [stderr]     Checking walrus v0.19.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking elementtree v0.5.0
[INFO] [stderr]     Checking symbolic-debuginfo v8.3.0
[INFO] [stderr]     Checking symbolic v8.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.92s
[INFO] running `Command { std: "docker" "inspect" "1fb2bf4a27478cff97d12f03788656d5e7f3815219a0b0415c0d6500ea8065fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb2bf4a27478cff97d12f03788656d5e7f3815219a0b0415c0d6500ea8065fc", kill_on_drop: false }`
[INFO] [stdout] 1fb2bf4a27478cff97d12f03788656d5e7f3815219a0b0415c0d6500ea8065fc