[INFO] cloning repository https://github.com/2garryn/eft2json
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/2garryn/eft2json" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e4ea68e96fe6a92b358f63d4684bee1cf776574
[INFO] checking 2garryn/eft2json against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F2garryn%2Feft2json" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/2garryn/eft2json on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/2garryn/eft2json
[INFO] finished tweaking git repo https://github.com/2garryn/eft2json
[INFO] tweaked toml for git repo https://github.com/2garryn/eft2json written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/2garryn/eft2json already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84fc3d4d1d545b61e5ea9220d748c51fe7ae1cab757c09ac068fc8b0b2d4d129
[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" "84fc3d4d1d545b61e5ea9220d748c51fe7ae1cab757c09ac068fc8b0b2d4d129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84fc3d4d1d545b61e5ea9220d748c51fe7ae1cab757c09ac068fc8b0b2d4d129", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fc3d4d1d545b61e5ea9220d748c51fe7ae1cab757c09ac068fc8b0b2d4d129", kill_on_drop: false }`
[INFO] [stdout] 84fc3d4d1d545b61e5ea9220d748c51fe7ae1cab757c09ac068fc8b0b2d4d129
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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] 6359cd72b1f5a929c4ce9e7c63898a24e4e49e6cfeb2aff07d5cd0e0a29a5ba4
[INFO] running `Command { std: "docker" "start" "-a" "6359cd72b1f5a929c4ce9e7c63898a24e4e49e6cfeb2aff07d5cd0e0a29a5ba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]     Checking eterm2json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buf_read_streamer.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut BufRead
[INFO] [stdout]   |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/buf_read_streamer.rs:6:25
[INFO] [stdout]   |
[INFO] [stdout] 6 |     buf_reader: &'a mut BufRead
[INFO] [stdout]   |                         ^^^^^^^ help: use `dyn`: `dyn BufRead`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "6359cd72b1f5a929c4ce9e7c63898a24e4e49e6cfeb2aff07d5cd0e0a29a5ba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6359cd72b1f5a929c4ce9e7c63898a24e4e49e6cfeb2aff07d5cd0e0a29a5ba4", kill_on_drop: false }`
[INFO] [stdout] 6359cd72b1f5a929c4ce9e7c63898a24e4e49e6cfeb2aff07d5cd0e0a29a5ba4