[INFO] cloning repository https://github.com/flber/mtrack
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flber/mtrack" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflber%2Fmtrack", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflber%2Fmtrack'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59811e87323fe039d2036cf6253151b88183751
[INFO] checking flber/mtrack against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflber%2Fmtrack" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  84% (355/419)   
Checking out files:  85% (357/419)   
Checking out files:  86% (361/419)   
Checking out files:  87% (365/419)   
Checking out files:  88% (369/419)   
Checking out files:  89% (373/419)   
Checking out files:  90% (378/419)   
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Checking out files:  93% (390/419)   
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Checking out files:  95% (399/419)   
Checking out files:  96% (403/419)   
Checking out files:  97% (407/419)   
Checking out files:  98% (411/419)   
Checking out files:  99% (415/419)   
Checking out files: 100% (419/419)   
Checking out files: 100% (419/419), done.
[INFO] validating manifest of git repo https://github.com/flber/mtrack on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flber/mtrack
[INFO] finished tweaking git repo https://github.com/flber/mtrack
[INFO] tweaked toml for git repo https://github.com/flber/mtrack written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/flber/mtrack already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a1499109792b41e22f487d37b6ec9c037dd3f8668e14df7faae7397046f7643
[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" "6a1499109792b41e22f487d37b6ec9c037dd3f8668e14df7faae7397046f7643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a1499109792b41e22f487d37b6ec9c037dd3f8668e14df7faae7397046f7643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1499109792b41e22f487d37b6ec9c037dd3f8668e14df7faae7397046f7643", kill_on_drop: false }`
[INFO] [stdout] 6a1499109792b41e22f487d37b6ec9c037dd3f8668e14df7faae7397046f7643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 308a872ab2025d823fd01a5f0aa36413a15d036babcb9924151d9a2fc8a19638
[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" "308a872ab2025d823fd01a5f0aa36413a15d036babcb9924151d9a2fc8a19638", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking mtrack v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.40s
[INFO] running `Command { std: "docker" "inspect" "308a872ab2025d823fd01a5f0aa36413a15d036babcb9924151d9a2fc8a19638", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "308a872ab2025d823fd01a5f0aa36413a15d036babcb9924151d9a2fc8a19638", kill_on_drop: false }`
[INFO] [stdout] 308a872ab2025d823fd01a5f0aa36413a15d036babcb9924151d9a2fc8a19638