[INFO] cloning repository https://github.com/JakeDawkins/graphql-client-302-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakeDawkins/graphql-client-302-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeDawkins%2Fgraphql-client-302-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeDawkins%2Fgraphql-client-302-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0378a702e84d04a3d3a7b20fdfbbf3ce2d2e728c
[INFO] testing JakeDawkins/graphql-client-302-repro against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakeDawkins%2Fgraphql-client-302-repro" "/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/JakeDawkins/graphql-client-302-repro on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JakeDawkins/graphql-client-302-repro
[INFO] finished tweaking git repo https://github.com/JakeDawkins/graphql-client-302-repro
[INFO] tweaked toml for git repo https://github.com/JakeDawkins/graphql-client-302-repro written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/JakeDawkins/graphql-client-302-repro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 33254b075f673b7c1a750b8f19e91caf334325fb3ff2f6d82073b665d56d372c
[INFO] running `Command { std: "docker" "start" "-a" "33254b075f673b7c1a750b8f19e91caf334325fb3ff2f6d82073b665d56d372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "33254b075f673b7c1a750b8f19e91caf334325fb3ff2f6d82073b665d56d372c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33254b075f673b7c1a750b8f19e91caf334325fb3ff2f6d82073b665d56d372c", kill_on_drop: false }`
[INFO] [stdout] 33254b075f673b7c1a750b8f19e91caf334325fb3ff2f6d82073b665d56d372c
[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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca6c26d7a2e1f61f37bf1d2774f3c8905e1d4577a7ff551201621ddecd96061c
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ca6c26d7a2e1f61f37bf1d2774f3c8905e1d4577a7ff551201621ddecd96061c", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling object v0.21.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ascii v0.9.3
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.53
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling graphql-parser v0.2.3
[INFO] [stderr]    Compiling graphql-introspection-query v0.1.0
[INFO] [stderr]    Compiling graphql_client_codegen v0.9.0
[INFO] [stderr]    Compiling graphql_query_derive v0.9.0
[INFO] [stderr]    Compiling graphql_client v0.9.0
[INFO] [stderr]    Compiling circular-error-reprod v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] 
[INFO] [stderr] thread 'rustc' has overflowed its stack
[INFO] [stderr] fatal runtime error: stack overflow
[INFO] [stderr] error: could not compile `circular-error-reprod`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name circular_error_reprod --edition=2018 src/main.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=7a3a03212c7f02b0 -C extra-filename=-7a3a03212c7f02b0 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern graphql_client=/opt/rustwide/target/debug/deps/libgraphql_client-cd5049977e679d13.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-56618ca38b5d6db3.rlib --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-53e908295ecd2507.rlib --cap-lints=warn` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "ca6c26d7a2e1f61f37bf1d2774f3c8905e1d4577a7ff551201621ddecd96061c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca6c26d7a2e1f61f37bf1d2774f3c8905e1d4577a7ff551201621ddecd96061c", kill_on_drop: false }`
[INFO] [stdout] ca6c26d7a2e1f61f37bf1d2774f3c8905e1d4577a7ff551201621ddecd96061c