[INFO] cloning repository https://github.com/kengorab/abra-lang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kengorab/abra-lang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkengorab%2Fabra-lang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkengorab%2Fabra-lang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c2a72296e95bd734b54306cb2da0d90cf8e802d3
[INFO] checking kengorab/abra-lang against master#df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e for pr-95474
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkengorab%2Fabra-lang" "/workspace/builds/worker-52/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-52/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kengorab/abra-lang on toolchain df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kengorab/abra-lang
[INFO] finished tweaking git repo https://github.com/kengorab/abra-lang
[INFO] tweaked toml for git repo https://github.com/kengorab/abra-lang written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate git repo https://github.com/kengorab/abra-lang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap`
[INFO] [stderr]     Updating git repository `https://github.com/clap-rs/clap_derive`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tower-lsp-macros v0.3.0
[INFO] [stderr]   Downloaded lsp-types v0.81.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.3
[INFO] [stderr]   Downloaded pin-project v1.0.3
[INFO] [stderr]   Downloaded clipboard-win v4.2.1
[INFO] [stderr]   Downloaded rustversion v1.0.1
[INFO] [stderr]   Downloaded syn-mid v0.4.0
[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded serde_repr v0.1.6
[INFO] [stderr]   Downloaded tower-lsp v0.13.3
[INFO] [stderr]   Downloaded proc-macro-error-attr v0.4.3
[INFO] [stderr]   Downloaded proc-macro-error v0.4.4
[INFO] [stderr]   Downloaded rustyline-derive v0.5.0
[INFO] [stderr]   Downloaded auto_impl v0.4.1
[INFO] [stderr]   Downloaded dashmap v3.11.10
[INFO] [stderr]   Downloaded peekmore v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b430d3ba60692a54673a27cb97e413b7596cc3671f90f8fd63d10244bb2ec31a
[INFO] running `Command { std: "docker" "start" "-a" "b430d3ba60692a54673a27cb97e413b7596cc3671f90f8fd63d10244bb2ec31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b430d3ba60692a54673a27cb97e413b7596cc3671f90f8fd63d10244bb2ec31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b430d3ba60692a54673a27cb97e413b7596cc3671f90f8fd63d10244bb2ec31a", kill_on_drop: false }`
[INFO] [stdout] b430d3ba60692a54673a27cb97e413b7596cc3671f90f8fd63d10244bb2ec31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+df20355fa9fa5e9fb89be4e4bfee8a643bb7a23e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e2da379b05876d16396a8d0d6b5825c7160c98dc80fbe88ec2c0d03656b94e5a
[INFO] running `Command { std: "docker" "start" "-a" "e2da379b05876d16396a8d0d6b5825c7160c98dc80fbe88ec2c0d03656b94e5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.71
[INFO] [stderr]    Compiling getrandom v0.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling wasm-bindgen v0.2.71
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling thread_local v1.1.0
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.22/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="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=7e4751b993abafcb -C extra-filename=-7e4751b993abafcb --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: could not compile `version_check`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name version_check /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/version_check-0.9.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c2a18c87142baf75 -C extra-filename=-c2a18c87142baf75 --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] error: could not compile `autocfg`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name autocfg /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/autocfg-1.0.1/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=cea8f49e72b83951 -C extra-filename=-cea8f49e72b83951 --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] error: could not compile `base64`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name base64 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/base64-0.12.3/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="default"' --cfg 'feature="std"' -C metadata=08a56ae68f53acff -C extra-filename=-08a56ae68f53acff --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] error: could not compile `bytes`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name bytes --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/bytes-0.5.6/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="default"' --cfg 'feature="std"' -C metadata=1351b578c83586bb -C extra-filename=-1351b578c83586bb --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] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.22/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=c9a4eac6b2db02cb -C extra-filename=-c9a4eac6b2db02cb --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] error: could not compile `thread_local`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name thread_local /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/thread_local-1.1.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=d9e43aff1fd2eedf -C extra-filename=-d9e43aff1fd2eedf --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-b33cd6b8ee13db74.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "e2da379b05876d16396a8d0d6b5825c7160c98dc80fbe88ec2c0d03656b94e5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2da379b05876d16396a8d0d6b5825c7160c98dc80fbe88ec2c0d03656b94e5a", kill_on_drop: false }`
[INFO] [stdout] e2da379b05876d16396a8d0d6b5825c7160c98dc80fbe88ec2c0d03656b94e5a