[INFO] cloning repository https://github.com/Rinzlo/RUSTLearn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rinzlo/RUSTLearn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRinzlo%2FRUSTLearn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRinzlo%2FRUSTLearn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 49fa84d8ac181855d50de3c850d1b4acd38fa4b0
[INFO] checking Rinzlo/RUSTLearn against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRinzlo%2FRUSTLearn" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rinzlo/RUSTLearn 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/Rinzlo/RUSTLearn
[INFO] finished tweaking git repo https://github.com/Rinzlo/RUSTLearn
[INFO] tweaked toml for git repo https://github.com/Rinzlo/RUSTLearn written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/Rinzlo/RUSTLearn 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] ae93370fab5d1e4993416f326af0904f5d04e2355aee50bfe77e28dfc38c6ecd
[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" "ae93370fab5d1e4993416f326af0904f5d04e2355aee50bfe77e28dfc38c6ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae93370fab5d1e4993416f326af0904f5d04e2355aee50bfe77e28dfc38c6ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae93370fab5d1e4993416f326af0904f5d04e2355aee50bfe77e28dfc38c6ecd", kill_on_drop: false }`
[INFO] [stdout] ae93370fab5d1e4993416f326af0904f5d04e2355aee50bfe77e28dfc38c6ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] d6b64e336d18b2ee24ea45f3aadd425712ac9121e7bc3a7b11b1c1f2c458f4d8
[INFO] running `Command { std: "docker" "start" "-a" "d6b64e336d18b2ee24ea45f3aadd425712ac9121e7bc3a7b11b1c1f2c458f4d8", kill_on_drop: false }`
[INFO] [stderr]     Checking rust_traversy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "d6b64e336d18b2ee24ea45f3aadd425712ac9121e7bc3a7b11b1c1f2c458f4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b64e336d18b2ee24ea45f3aadd425712ac9121e7bc3a7b11b1c1f2c458f4d8", kill_on_drop: false }`
[INFO] [stdout] d6b64e336d18b2ee24ea45f3aadd425712ac9121e7bc3a7b11b1c1f2c458f4d8