[INFO] cloning repository https://github.com/tetcore/migration-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tetcore/migration-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fmigration-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fmigration-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a46652ea0273aef20fb70fe74197fba94e244f91
[INFO] checking tetcore/migration-example against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftetcore%2Fmigration-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tetcore/migration-example on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tetcore/migration-example
[INFO] finished tweaking git repo https://github.com/tetcore/migration-example
[INFO] tweaked toml for git repo https://github.com/tetcore/migration-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tetcore/migration-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 639d79bc4e05c9508c4b57e8cc456e4798315b5a0550295b10c74be1d5d7c405
[INFO] running `Command { std: "docker" "start" "-a" "639d79bc4e05c9508c4b57e8cc456e4798315b5a0550295b10c74be1d5d7c405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "639d79bc4e05c9508c4b57e8cc456e4798315b5a0550295b10c74be1d5d7c405", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "639d79bc4e05c9508c4b57e8cc456e4798315b5a0550295b10c74be1d5d7c405", kill_on_drop: false }`
[INFO] [stdout] 639d79bc4e05c9508c4b57e8cc456e4798315b5a0550295b10c74be1d5d7c405
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34a3549ef850e2c024ea217c6b99c084208030ec187d5cfcc4eae1d0d725ccb5
[INFO] running `Command { std: "docker" "start" "-a" "34a3549ef850e2c024ea217c6b99c084208030ec187d5cfcc4eae1d0d725ccb5", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling log v0.4.13
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking futures-core v0.3.11
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking pin-project-lite v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking futures-io v0.3.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-sink v0.3.11
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking signature v1.3.0
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]     Checking sp-std v2.0.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]     Checking environmental v1.1.2
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling multimap v0.8.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking bs58 v0.4.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking data-encoding v2.3.1
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cpuid-bool v0.2.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.69
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling zstd-safe v2.0.6+zstd.1.4.7
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking arc-swap v1.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]    Compiling winapi v0.3.9
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking retain_mut v0.1.2
[INFO] [stderr]    Compiling sc-consensus-slots v0.8.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]     Checking tinyvec v1.1.0
[INFO] [stderr]     Checking ed25519 v1.0.3
[INFO] [stderr]    Compiling semver v0.6.0
[INFO] [stderr]     Checking trie-root v0.16.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]     Checking futures-channel v0.3.11
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking dns-parser v0.8.0
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]    Compiling prometheus v0.10.0
[INFO] [stderr]    Compiling wasmtime-environ v0.19.0
[INFO] [stderr]     Checking wast v31.0.0
[INFO] [stderr]     Checking matrixmultiply v0.2.4
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]    Compiling substrate-build-script-utils v2.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling parity-wasm v0.32.0
[INFO] [stderr]     Checking async-channel v1.5.1
[INFO] [stderr]     Checking blake2s_simd v0.5.11
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling build-helper v0.1.1
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling snow v0.7.2
[INFO] [stderr] error: could not compile `object`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name object --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/object-0.22.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="archive"' --cfg 'feature="coff"' --cfg 'feature="elf"' --cfg 'feature="macho"' --cfg 'feature="pe"' --cfg 'feature="read_core"' --cfg 'feature="unaligned"' -C metadata=9c30ecac9df1ec8c -C extra-filename=-9c30ecac9df1ec8c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "34a3549ef850e2c024ea217c6b99c084208030ec187d5cfcc4eae1d0d725ccb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34a3549ef850e2c024ea217c6b99c084208030ec187d5cfcc4eae1d0d725ccb5", kill_on_drop: false }`
[INFO] [stdout] 34a3549ef850e2c024ea217c6b99c084208030ec187d5cfcc4eae1d0d725ccb5