[INFO] fetching crate format_num 0.1.0...
[INFO] checking format_num-0.1.0 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate format_num 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate format_num 0.1.0 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate format_num 0.1.0
[INFO] finished tweaking crates.io crate format_num 0.1.0
[INFO] tweaked toml for crates.io crate format_num 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate format_num 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb3050932ef4d49dbebe7296def80f2d86cc8664891a897b0e0542643d35ae2f
[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" "cb3050932ef4d49dbebe7296def80f2d86cc8664891a897b0e0542643d35ae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb3050932ef4d49dbebe7296def80f2d86cc8664891a897b0e0542643d35ae2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3050932ef4d49dbebe7296def80f2d86cc8664891a897b0e0542643d35ae2f", kill_on_drop: false }`
[INFO] [stdout] cb3050932ef4d49dbebe7296def80f2d86cc8664891a897b0e0542643d35ae2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "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] 466b6a5fb9bcdba56683585fdbd0d67e26f323b729e8cec37cf9be8c6d89b9f5
[INFO] running `Command { std: "docker" "start" "-a" "466b6a5fb9bcdba56683585fdbd0d67e26f323b729e8cec37cf9be8c6d89b9f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking format_num v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `Command { std: "docker" "inspect" "466b6a5fb9bcdba56683585fdbd0d67e26f323b729e8cec37cf9be8c6d89b9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466b6a5fb9bcdba56683585fdbd0d67e26f323b729e8cec37cf9be8c6d89b9f5", kill_on_drop: false }`
[INFO] [stdout] 466b6a5fb9bcdba56683585fdbd0d67e26f323b729e8cec37cf9be8c6d89b9f5