[INFO] cloning repository https://github.com/matklad/perftest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matklad/perftest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fperftest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fperftest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65656ef6e7a2abc25e1a2c38bc9f3818f7f7e893
[INFO] checking matklad/perftest against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatklad%2Fperftest" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matklad/perftest on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matklad/perftest
[INFO] finished tweaking git repo https://github.com/matklad/perftest
[INFO] tweaked toml for git repo https://github.com/matklad/perftest written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/matklad/perftest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded perf-event v0.4.5
[INFO] [stderr]   Downloaded perf-event-open-sys v1.0.1
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", 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] fb5e30c68aa8e63a424a81b662acfc400718d0814e2ad7b315d1b988eebf5ecb
[INFO] running `Command { std: "docker" "start" "-a" "fb5e30c68aa8e63a424a81b662acfc400718d0814e2ad7b315d1b988eebf5ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb5e30c68aa8e63a424a81b662acfc400718d0814e2ad7b315d1b988eebf5ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb5e30c68aa8e63a424a81b662acfc400718d0814e2ad7b315d1b988eebf5ecb", kill_on_drop: false }`
[INFO] [stdout] fb5e30c68aa8e63a424a81b662acfc400718d0814e2ad7b315d1b988eebf5ecb
[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" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "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] d97b144df9ec49bae2230062878c388535e11f0855058ceba0f578a8f4cbfc58
[INFO] running `Command { std: "docker" "start" "-a" "d97b144df9ec49bae2230062878c388535e11f0855058ceba0f578a8f4cbfc58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking perf-event-open-sys v1.0.1
[INFO] [stderr]     Checking perf-event v0.4.5
[INFO] [stderr]     Checking perftest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.97s
[INFO] running `Command { std: "docker" "inspect" "d97b144df9ec49bae2230062878c388535e11f0855058ceba0f578a8f4cbfc58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97b144df9ec49bae2230062878c388535e11f0855058ceba0f578a8f4cbfc58", kill_on_drop: false }`
[INFO] [stdout] d97b144df9ec49bae2230062878c388535e11f0855058ceba0f578a8f4cbfc58