[INFO] cloning repository https://github.com/zwilias/elm-json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zwilias/elm-json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50538241bb626e29399a613fc82db7dafcfb8d25
[INFO] checking zwilias/elm-json against master#31ee872db5aae4750e3da1ca4ed1523c4356947f for pr-78461
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzwilias%2Felm-json" "/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/zwilias/elm-json on toolchain 31ee872db5aae4750e3da1ca4ed1523c4356947f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zwilias/elm-json
[INFO] finished tweaking git repo https://github.com/zwilias/elm-json
[INFO] tweaked toml for git repo https://github.com/zwilias/elm-json written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/zwilias/elm-json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "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] c12b3e736d63e3f7e22bb6fc100ff021f7c7a83c0b19d7f5656fb6aabc775803
[INFO] running `Command { std: "docker" "start" "-a" "c12b3e736d63e3f7e22bb6fc100ff021f7c7a83c0b19d7f5656fb6aabc775803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c12b3e736d63e3f7e22bb6fc100ff021f7c7a83c0b19d7f5656fb6aabc775803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12b3e736d63e3f7e22bb6fc100ff021f7c7a83c0b19d7f5656fb6aabc775803", kill_on_drop: false }`
[INFO] [stdout] c12b3e736d63e3f7e22bb6fc100ff021f7c7a83c0b19d7f5656fb6aabc775803
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+31ee872db5aae4750e3da1ca4ed1523c4356947f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 601a837e1eb7b3e6a517679ccfacfdcb4b90aa090cfd4449ef7a4fab425664b0
[INFO] running `Command { std: "docker" "start" "-a" "601a837e1eb7b3e6a517679ccfacfdcb4b90aa090cfd4449ef7a4fab425664b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling encoding_rs v0.8.24
[INFO] [stderr]    Compiling curl v0.4.33
[INFO] [stderr]    Compiling isahc v0.9.9
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]    Compiling openssl-src v111.11.0+1.1.1h
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.4+1.41.0
[INFO] [stderr]    Compiling curl-sys v0.4.36+curl-7.71.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking console v0.11.3
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]     Checking globset v0.4.5
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking slog-async v2.5.0
[INFO] [stderr]     Checking globwalk v0.5.0
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking assert_cmd v0.11.1
[INFO] [stderr]     Checking assert_fs v0.11.3
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking slog-term v2.6.0
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking sluice v0.5.2
[INFO] [stderr]     Checking elm-json v0.2.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `Command { std: "docker" "inspect" "601a837e1eb7b3e6a517679ccfacfdcb4b90aa090cfd4449ef7a4fab425664b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601a837e1eb7b3e6a517679ccfacfdcb4b90aa090cfd4449ef7a4fab425664b0", kill_on_drop: false }`
[INFO] [stdout] 601a837e1eb7b3e6a517679ccfacfdcb4b90aa090cfd4449ef7a4fab425664b0