[INFO] fetching crate substudy 0.4.5...
[INFO] checking substudy-0.4.5 against master#2ad4eb207b369017f5140918b5e4b0d3650b46b0 for pr-95611
[INFO] extracting crate substudy 0.4.5 into /workspace/builds/worker-36/source
[INFO] validating manifest of crates.io crate substudy 0.4.5 on toolchain 2ad4eb207b369017f5140918b5e4b0d3650b46b0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate substudy 0.4.5
[INFO] finished tweaking crates.io crate substudy 0.4.5
[INFO] tweaked toml for crates.io crate substudy 0.4.5 written to /workspace/builds/worker-36/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "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 term_size v0.3.2
[INFO] [stderr]   Downloaded pbr v1.0.4
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] [stderr]   Downloaded cli_test_dir v0.1.7
[INFO] [stderr]   Downloaded structopt-derive v0.1.6
[INFO] [stderr]   Downloaded peg v0.5.7
[INFO] [stderr]   Downloaded structopt v0.1.7
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded whatlang v0.5.0
[INFO] [stderr]   Downloaded chardet v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5bdbbb289670db2908ab54c213e90fff39a1da168ebc3198da5f7f1347b6fbe
[INFO] running `Command { std: "docker" "start" "-a" "d5bdbbb289670db2908ab54c213e90fff39a1da168ebc3198da5f7f1347b6fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5bdbbb289670db2908ab54c213e90fff39a1da168ebc3198da5f7f1347b6fbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5bdbbb289670db2908ab54c213e90fff39a1da168ebc3198da5f7f1347b6fbe", kill_on_drop: false }`
[INFO] [stdout] d5bdbbb289670db2908ab54c213e90fff39a1da168ebc3198da5f7f1347b6fbe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-36/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+2ad4eb207b369017f5140918b5e4b0d3650b46b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 457463699bf2dd4c8dc5247c9f0db1103fe0bea91c45899fee4cce0b6f4569dc
[INFO] running `Command { std: "docker" "start" "-a" "457463699bf2dd4c8dc5247c9f0db1103fe0bea91c45899fee4cce0b6f4569dc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling semver v1.0.7
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.8
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking gimli v0.26.1
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking chardet v0.2.4
[INFO] [stderr]     Checking cli_test_dir v0.1.7
[INFO] [stderr]     Checking difference v1.0.0
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking whatlang v0.5.0
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling substudy v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr] error: could not compile `gimli`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gimli --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gimli-0.26.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="read"' --cfg 'feature="read-core"' -C metadata=b7a84fadfbdd5082 -C extra-filename=-b7a84fadfbdd5082 --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] running `Command { std: "docker" "inspect" "457463699bf2dd4c8dc5247c9f0db1103fe0bea91c45899fee4cce0b6f4569dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "457463699bf2dd4c8dc5247c9f0db1103fe0bea91c45899fee4cce0b6f4569dc", kill_on_drop: false }`
[INFO] [stdout] 457463699bf2dd4c8dc5247c9f0db1103fe0bea91c45899fee4cce0b6f4569dc