[INFO] cloning repository https://github.com/fxkjd/r2rustrop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fxkjd/r2rustrop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxkjd%2Fr2rustrop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxkjd%2Fr2rustrop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33e43a8e3a853987c9219024831a865bfaa464f8
[INFO] checking fxkjd/r2rustrop against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffxkjd%2Fr2rustrop" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fxkjd/r2rustrop on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fxkjd/r2rustrop
[INFO] finished tweaking git repo https://github.com/fxkjd/r2rustrop
[INFO] tweaked toml for git repo https://github.com/fxkjd/r2rustrop written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/fxkjd/r2rustrop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/radare/r2pipe.rs`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c1537aa02a7f603d06db8aaa4291edf50119f7588345b49fa1cf0537133ba01
[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" "3c1537aa02a7f603d06db8aaa4291edf50119f7588345b49fa1cf0537133ba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c1537aa02a7f603d06db8aaa4291edf50119f7588345b49fa1cf0537133ba01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c1537aa02a7f603d06db8aaa4291edf50119f7588345b49fa1cf0537133ba01", kill_on_drop: false }`
[INFO] [stdout] 3c1537aa02a7f603d06db8aaa4291edf50119f7588345b49fa1cf0537133ba01
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "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] 949c19e8a4e85b7bb2c8215bfc0d209e37419d04d8ac309c189733c4ff20c350
[INFO] running `Command { std: "docker" "start" "-a" "949c19e8a4e85b7bb2c8215bfc0d209e37419d04d8ac309c189733c4ff20c350", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.2
[INFO] [stderr]     Checking serde v1.0.11
[INFO] [stderr]     Checking libc v0.2.30
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.11
[INFO] [stderr]     Checking serde_json v1.0.2
[INFO] [stderr]     Checking r2pipe v0.5.0 (https://github.com/radare/r2pipe.rs#09622db2)
[INFO] [stderr]     Checking rust_rop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.51s
[INFO] running `Command { std: "docker" "inspect" "949c19e8a4e85b7bb2c8215bfc0d209e37419d04d8ac309c189733c4ff20c350", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "949c19e8a4e85b7bb2c8215bfc0d209e37419d04d8ac309c189733c4ff20c350", kill_on_drop: false }`
[INFO] [stdout] 949c19e8a4e85b7bb2c8215bfc0d209e37419d04d8ac309c189733c4ff20c350