[INFO] cloning repository https://github.com/vangroan/rust-linkedlist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vangroan/rust-linkedlist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Frust-linkedlist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Frust-linkedlist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b812b5b04f2f062d9ddf7549e82da9d098511b4e
[INFO] checking vangroan/rust-linkedlist against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvangroan%2Frust-linkedlist" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vangroan/rust-linkedlist on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/vangroan/rust-linkedlist
[INFO] finished tweaking git repo https://github.com/vangroan/rust-linkedlist
[INFO] tweaked toml for git repo https://github.com/vangroan/rust-linkedlist written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/vangroan/rust-linkedlist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1d5917d842a8ba44f0ad40ebf15e6f832496a08bae05b1c511e3abd3f07c3172
[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" "1d5917d842a8ba44f0ad40ebf15e6f832496a08bae05b1c511e3abd3f07c3172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d5917d842a8ba44f0ad40ebf15e6f832496a08bae05b1c511e3abd3f07c3172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5917d842a8ba44f0ad40ebf15e6f832496a08bae05b1c511e3abd3f07c3172", kill_on_drop: false }`
[INFO] [stdout] 1d5917d842a8ba44f0ad40ebf15e6f832496a08bae05b1c511e3abd3f07c3172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 8ca099bec48a7d0d9dcaab93cda06a43a4a26deffda14bbdef65c3c80e1a770c
[INFO] running `Command { std: "docker" "start" "-a" "8ca099bec48a7d0d9dcaab93cda06a43a4a26deffda14bbdef65c3c80e1a770c", kill_on_drop: false }`
[INFO] [stderr]     Checking linked v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "8ca099bec48a7d0d9dcaab93cda06a43a4a26deffda14bbdef65c3c80e1a770c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ca099bec48a7d0d9dcaab93cda06a43a4a26deffda14bbdef65c3c80e1a770c", kill_on_drop: false }`
[INFO] [stdout] 8ca099bec48a7d0d9dcaab93cda06a43a4a26deffda14bbdef65c3c80e1a770c