[INFO] cloning repository https://github.com/Mark-Simulacrum/rust-issue-76980
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mark-Simulacrum/rust-issue-76980" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Frust-issue-76980", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Frust-issue-76980'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b445a96943e501f7f5b99e3f4e7223ad0ca874d
[INFO] checking Mark-Simulacrum/rust-issue-76980 against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMark-Simulacrum%2Frust-issue-76980" "/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/Mark-Simulacrum/rust-issue-76980 on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Mark-Simulacrum/rust-issue-76980
[INFO] finished tweaking git repo https://github.com/Mark-Simulacrum/rust-issue-76980
[INFO] tweaked toml for git repo https://github.com/Mark-Simulacrum/rust-issue-76980 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Mark-Simulacrum/rust-issue-76980 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 317a6304cf3435cf89067508bf865fe0bb6c1a79b66fef848eb2d31f51f439c2
[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" "317a6304cf3435cf89067508bf865fe0bb6c1a79b66fef848eb2d31f51f439c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "317a6304cf3435cf89067508bf865fe0bb6c1a79b66fef848eb2d31f51f439c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "317a6304cf3435cf89067508bf865fe0bb6c1a79b66fef848eb2d31f51f439c2", kill_on_drop: false }`
[INFO] [stdout] 317a6304cf3435cf89067508bf865fe0bb6c1a79b66fef848eb2d31f51f439c2
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5c416819ab13c68bd71608c5afd6fed43bacfc50448d2daae218c31acd18947
[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" "f5c416819ab13c68bd71608c5afd6fed43bacfc50448d2daae218c31acd18947", kill_on_drop: false }`
[INFO] [stderr]    Compiling test-proc-macro v0.1.0 (/opt/rustwide/workdir/test-proc-macro)
[INFO] [stderr]     Checking useproc v0.1.0 (/opt/rustwide/workdir/useproc)
[INFO] [stderr] 2
[INFO] [stderr] 2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "f5c416819ab13c68bd71608c5afd6fed43bacfc50448d2daae218c31acd18947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5c416819ab13c68bd71608c5afd6fed43bacfc50448d2daae218c31acd18947", kill_on_drop: false }`
[INFO] [stdout] f5c416819ab13c68bd71608c5afd6fed43bacfc50448d2daae218c31acd18947