[INFO] cloning repository https://github.com/jsen-/rust-build-core-issue-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jsen-/rust-build-core-issue-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-build-core-issue-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-build-core-issue-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67154f1d03afc67131bc3ae9014e9187205b244d
[INFO] checking jsen-/rust-build-core-issue-repro against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjsen-%2Frust-build-core-issue-repro" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jsen-/rust-build-core-issue-repro 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/jsen-/rust-build-core-issue-repro
[INFO] finished tweaking git repo https://github.com/jsen-/rust-build-core-issue-repro
[INFO] tweaked toml for git repo https://github.com/jsen-/rust-build-core-issue-repro written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jsen-/rust-build-core-issue-repro 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 09f6a39669d369a01016fcb970f20810ae6cd93a98d96d4218bf3ef77e5cb074
[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" "09f6a39669d369a01016fcb970f20810ae6cd93a98d96d4218bf3ef77e5cb074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f6a39669d369a01016fcb970f20810ae6cd93a98d96d4218bf3ef77e5cb074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f6a39669d369a01016fcb970f20810ae6cd93a98d96d4218bf3ef77e5cb074", kill_on_drop: false }`
[INFO] [stdout] 09f6a39669d369a01016fcb970f20810ae6cd93a98d96d4218bf3ef77e5cb074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 34fb38bf9b643a58d40545b879e0054c4f4c8e2ce4d5b74dbce4b13b4481abd0
[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" "34fb38bf9b643a58d40545b879e0054c4f4c8e2ce4d5b74dbce4b13b4481abd0", kill_on_drop: false }`
[INFO] [stderr] error: "/opt/rustwide/rustup-home/toolchains/81275a1445c7502a974118e0c69b795ab60be991/lib/rustlib/src/rust/Cargo.lock" does not exist, unable to build with the standard library, try:
[INFO] [stderr]         rustup component add rust-src
[INFO] running `Command { std: "docker" "inspect" "34fb38bf9b643a58d40545b879e0054c4f4c8e2ce4d5b74dbce4b13b4481abd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34fb38bf9b643a58d40545b879e0054c4f4c8e2ce4d5b74dbce4b13b4481abd0", kill_on_drop: false }`
[INFO] [stdout] 34fb38bf9b643a58d40545b879e0054c4f4c8e2ce4d5b74dbce4b13b4481abd0