[INFO] cloning repository https://github.com/jiangjkd/lesson6_benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jiangjkd/lesson6_benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangjkd%2Flesson6_benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangjkd%2Flesson6_benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96405d178a4943e0faeeb6d415e3f4c26799d076
[INFO] checking jiangjkd/lesson6_benchmark against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjiangjkd%2Flesson6_benchmark" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jiangjkd/lesson6_benchmark on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jiangjkd/lesson6_benchmark
[INFO] finished tweaking git repo https://github.com/jiangjkd/lesson6_benchmark
[INFO] tweaked toml for git repo https://github.com/jiangjkd/lesson6_benchmark written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jiangjkd/lesson6_benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sp-npos-elections-compact v2.0.1
[INFO] [stderr]   Downloaded sp-npos-elections v2.0.1
[INFO] [stderr]   Downloaded sc-finality-grandpa-rpc v0.8.1
[INFO] [stderr]   Downloaded pallet-im-online v2.0.1
[INFO] [stderr]   Downloaded pallet-staking v2.0.1
[INFO] [stderr]   Downloaded sc-consensus-babe v0.8.1
[INFO] [stderr]   Downloaded sc-consensus-babe-rpc v0.8.1
[INFO] [stderr]   Downloaded sp-consensus-vrf v0.8.1
[INFO] [stderr]   Downloaded sp-consensus-babe v0.8.1
[INFO] [stderr]   Downloaded sc-consensus-epochs v0.8.1
[INFO] [stderr]   Downloaded sc-consensus-uncles v0.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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] 43ce04a9005ff25d18c2250a8a94a760081fa9c8400f6794de5e93a359fb605d
[INFO] running `Command { std: "docker" "start" "-a" "43ce04a9005ff25d18c2250a8a94a760081fa9c8400f6794de5e93a359fb605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43ce04a9005ff25d18c2250a8a94a760081fa9c8400f6794de5e93a359fb605d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ce04a9005ff25d18c2250a8a94a760081fa9c8400f6794de5e93a359fb605d", kill_on_drop: false }`
[INFO] [stdout] 43ce04a9005ff25d18c2250a8a94a760081fa9c8400f6794de5e93a359fb605d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09fbcb6508cc5bdd118474d044ad8d7751e49190d35dfd77f00ce54b65f06504
[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" "09fbcb6508cc5bdd118474d044ad8d7751e49190d35dfd77f00ce54b65f06504", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] no edition found in manifest, probably 2015, skipping
[INFO] running `Command { std: "docker" "inspect" "09fbcb6508cc5bdd118474d044ad8d7751e49190d35dfd77f00ce54b65f06504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09fbcb6508cc5bdd118474d044ad8d7751e49190d35dfd77f00ce54b65f06504", kill_on_drop: false }`
[INFO] [stdout] 09fbcb6508cc5bdd118474d044ad8d7751e49190d35dfd77f00ce54b65f06504