[INFO] fetching crate symbolic 8.3.0...
[INFO] checking symbolic-8.3.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate symbolic 8.3.0 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate symbolic 8.3.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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-78/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded symbolic-demangle v8.3.0
[INFO] [stderr]   Downloaded symbolic-sourcemap v8.3.0
[INFO] [stderr]   Downloaded symbolic-symcache v8.3.0
[INFO] [stderr]   Downloaded symbolic-unreal v8.3.0
[INFO] [stderr]   Downloaded symbolic-minidump v8.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 322a0db1e528f8cf39052622a2bfbec3167bc811b43da986d46884c71822d82e
[INFO] running `Command { std: "docker" "start" "-a" "322a0db1e528f8cf39052622a2bfbec3167bc811b43da986d46884c71822d82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "322a0db1e528f8cf39052622a2bfbec3167bc811b43da986d46884c71822d82e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "322a0db1e528f8cf39052622a2bfbec3167bc811b43da986d46884c71822d82e", kill_on_drop: false }`
[INFO] [stdout] 322a0db1e528f8cf39052622a2bfbec3167bc811b43da986d46884c71822d82e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebcfdfe5e5cc4d41829bf63fa05c2e12b53d3124c7f3cd2b639bad6aa9dc049f
[INFO] running `Command { std: "docker" "start" "-a" "ebcfdfe5e5cc4d41829bf63fa05c2e12b53d3124c7f3cd2b639bad6aa9dc049f", 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] [stderr]    Compiling radium v0.5.3
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking funty v1.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking wyz v0.2.0
[INFO] [stderr]     Checking siphasher v0.3.6
[INFO] [stderr]     Checking arrayvec v0.7.1
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]     Checking fallible-iterator v0.2.0
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[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 xml-rs v0.8.4
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking id-arena v2.2.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking joinery v2.1.0
[INFO] [stderr]     Checking dmsort v1.0.1
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v6.2.1
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking anyhow v1.0.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.129
[INFO] [stderr]    Compiling scroll_derive v0.10.5
[INFO] [stderr]    Compiling walrus-macro v0.19.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking phf_shared v0.8.0
[INFO] [stderr]     Checking brownstone v1.0.1
[INFO] [stderr]     Checking debugid v0.7.2
[INFO] [stderr]     Checking gimli v0.24.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking bitvec v0.19.5
[INFO] [stderr]     Checking symbolic-common v8.3.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking scroll v0.10.2
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]     Checking walrus v0.19.0
[INFO] [stderr]     Checking pdb v0.7.0
[INFO] [stderr]     Checking goblin v0.4.2
[INFO] [stderr]     Checking bzip2 v0.4.3
[INFO] [stderr]     Checking zip v0.5.13
[INFO] [stderr]     Checking serde v1.0.129
[INFO] [stderr]     Checking nom-supreme v0.4.6
[INFO] [stderr]     Checking string_cache v0.8.1
[INFO] [stderr]     Checking serde_json v1.0.66
[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 21.68s
[INFO] running `Command { std: "docker" "inspect" "ebcfdfe5e5cc4d41829bf63fa05c2e12b53d3124c7f3cd2b639bad6aa9dc049f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebcfdfe5e5cc4d41829bf63fa05c2e12b53d3124c7f3cd2b639bad6aa9dc049f", kill_on_drop: false }`
[INFO] [stdout] ebcfdfe5e5cc4d41829bf63fa05c2e12b53d3124c7f3cd2b639bad6aa9dc049f