[INFO] updating cached repository https://github.com/cyriacbijun/rust_programming
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dde8fa4f8c46b5e6e30511b58e16e7706b8944f
[INFO] checking cyriacbijun/rust_programming against try#c8bdaa84ec1b37f18f30375e196a65b7602f3790 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcyriacbijun%2Frust_programming" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  80% (156/193)   
Checking out files:  81% (157/193)   
Checking out files:  82% (159/193)   
Checking out files:  83% (161/193)   
Checking out files:  84% (163/193)   
Checking out files:  85% (165/193)   
Checking out files:  86% (166/193)   
Checking out files:  87% (168/193)   
Checking out files:  88% (170/193)   
Checking out files:  89% (172/193)   
Checking out files:  90% (174/193)   
Checking out files:  91% (176/193)   
Checking out files:  92% (178/193)   
Checking out files:  93% (180/193)   
Checking out files:  94% (182/193)   
Checking out files:  95% (184/193)   
Checking out files:  96% (186/193)   
Checking out files:  97% (188/193)   
Checking out files:  98% (190/193)   
Checking out files:  99% (192/193)   
Checking out files: 100% (193/193)   
Checking out files: 100% (193/193), done.
[INFO] validating manifest of git repo https://github.com/cyriacbijun/rust_programming on toolchain c8bdaa84ec1b37f18f30375e196a65b7602f3790
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cyriacbijun/rust_programming
[INFO] finished tweaking git repo https://github.com/cyriacbijun/rust_programming
[INFO] tweaked toml for git repo https://github.com/cyriacbijun/rust_programming written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/cyriacbijun/rust_programming already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86b61ba8d1c51050bbc6a4d0a234bdeaa9f58d873fc821c1a41a36d2a3e0b959
[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" "86b61ba8d1c51050bbc6a4d0a234bdeaa9f58d873fc821c1a41a36d2a3e0b959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86b61ba8d1c51050bbc6a4d0a234bdeaa9f58d873fc821c1a41a36d2a3e0b959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86b61ba8d1c51050bbc6a4d0a234bdeaa9f58d873fc821c1a41a36d2a3e0b959", kill_on_drop: false }`
[INFO] [stdout] 86b61ba8d1c51050bbc6a4d0a234bdeaa9f58d873fc821c1a41a36d2a3e0b959
[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@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+c8bdaa84ec1b37f18f30375e196a65b7602f3790" "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] 794b6210194007e531542a015cf5f30121aac0708939ab51245c3ae0cdc2e0c1
[INFO] running `Command { std: "docker" "start" "-a" "794b6210194007e531542a015cf5f30121aac0708939ab51245c3ae0cdc2e0c1", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking rust_program v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `Command { std: "docker" "inspect" "794b6210194007e531542a015cf5f30121aac0708939ab51245c3ae0cdc2e0c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "794b6210194007e531542a015cf5f30121aac0708939ab51245c3ae0cdc2e0c1", kill_on_drop: false }`
[INFO] [stdout] 794b6210194007e531542a015cf5f30121aac0708939ab51245c3ae0cdc2e0c1