[INFO] fetching crate tune 0.19.0...
[INFO] checking tune-0.19.0 against master#2ad5292aea6328113b55968b4322528d48261316 for pr-80243
[INFO] extracting crate tune 0.19.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tune 0.19.0 on toolchain 2ad5292aea6328113b55968b4322528d48261316
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tune 0.19.0
[INFO] finished tweaking crates.io crate tune 0.19.0
[INFO] tweaked toml for crates.io crate tune 0.19.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate tune 0.19.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2ad5292aea6328113b55968b4322528d48261316" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2ad5292aea6328113b55968b4322528d48261316" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47cad0dd2f48dc9ae26e8eabc9d8a7c9fee416b0eb127700d8fc9c9f38708d7e
[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" "47cad0dd2f48dc9ae26e8eabc9d8a7c9fee416b0eb127700d8fc9c9f38708d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47cad0dd2f48dc9ae26e8eabc9d8a7c9fee416b0eb127700d8fc9c9f38708d7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47cad0dd2f48dc9ae26e8eabc9d8a7c9fee416b0eb127700d8fc9c9f38708d7e", kill_on_drop: false }`
[INFO] [stdout] 47cad0dd2f48dc9ae26e8eabc9d8a7c9fee416b0eb127700d8fc9c9f38708d7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+2ad5292aea6328113b55968b4322528d48261316" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a52fbb98546687f83a171db439b5e477755a20a8860a0707469b8be083749cc
[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" "4a52fbb98546687f83a171db439b5e477755a20a8860a0707469b8be083749cc", kill_on_drop: false }`
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking tune v0.19.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "4a52fbb98546687f83a171db439b5e477755a20a8860a0707469b8be083749cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a52fbb98546687f83a171db439b5e477755a20a8860a0707469b8be083749cc", kill_on_drop: false }`
[INFO] [stdout] 4a52fbb98546687f83a171db439b5e477755a20a8860a0707469b8be083749cc