[INFO] cloning repository https://github.com/stephenc222/rust-contact-list
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephenc222/rust-contact-list" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc222%2Frust-contact-list", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc222%2Frust-contact-list'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fd12cc1136c7ae776941e5499fe4e3d5d765a13
[INFO] checking stephenc222/rust-contact-list against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenc222%2Frust-contact-list" "/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/stephenc222/rust-contact-list on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stephenc222/rust-contact-list
[INFO] finished tweaking git repo https://github.com/stephenc222/rust-contact-list
[INFO] tweaked toml for git repo https://github.com/stephenc222/rust-contact-list written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/stephenc222/rust-contact-list already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13104912dc26c0d343286fcfb94e37f656819061ff8255a0f84c3390a961b597
[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" "13104912dc26c0d343286fcfb94e37f656819061ff8255a0f84c3390a961b597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13104912dc26c0d343286fcfb94e37f656819061ff8255a0f84c3390a961b597", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13104912dc26c0d343286fcfb94e37f656819061ff8255a0f84c3390a961b597", kill_on_drop: false }`
[INFO] [stdout] 13104912dc26c0d343286fcfb94e37f656819061ff8255a0f84c3390a961b597
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] f684c2ff20a4f2ed23efe05e3a4a1e268b7074dc21292349d0ae67f537f4fe0e
[INFO] running `Command { std: "docker" "start" "-a" "f684c2ff20a4f2ed23efe05e3a4a1e268b7074dc21292349d0ae67f537f4fe0e", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-contact-list v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "f684c2ff20a4f2ed23efe05e3a4a1e268b7074dc21292349d0ae67f537f4fe0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f684c2ff20a4f2ed23efe05e3a4a1e268b7074dc21292349d0ae67f537f4fe0e", kill_on_drop: false }`
[INFO] [stdout] f684c2ff20a4f2ed23efe05e3a4a1e268b7074dc21292349d0ae67f537f4fe0e