[INFO] cloning repository https://github.com/yusdacra/naersk_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yusdacra/naersk_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fnaersk_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fnaersk_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c61b4cdaea1cef18b94bfd32029000e36c49a7f3
[INFO] checking yusdacra/naersk_bug against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyusdacra%2Fnaersk_bug" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yusdacra/naersk_bug on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yusdacra/naersk_bug
[INFO] finished tweaking git repo https://github.com/yusdacra/naersk_bug
[INFO] tweaked toml for git repo https://github.com/yusdacra/naersk_bug written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/yusdacra/naersk_bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-random/rand.git`
[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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] bfec3f5550af8c956995cec8ab0c48cd4e55c3d9af2ef60ed3743b1725c5d257
[INFO] running `Command { std: "docker" "start" "-a" "bfec3f5550af8c956995cec8ab0c48cd4e55c3d9af2ef60ed3743b1725c5d257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfec3f5550af8c956995cec8ab0c48cd4e55c3d9af2ef60ed3743b1725c5d257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfec3f5550af8c956995cec8ab0c48cd4e55c3d9af2ef60ed3743b1725c5d257", kill_on_drop: false }`
[INFO] [stdout] bfec3f5550af8c956995cec8ab0c48cd4e55c3d9af2ef60ed3743b1725c5d257
[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" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] e988158c3274c1397a4d9050d7c6a15e0eb97246bd54cc551b6603b4bfc2ecb8
[INFO] running `Command { std: "docker" "start" "-a" "e988158c3274c1397a4d9050d7c6a15e0eb97246bd54cc551b6603b4bfc2ecb8", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.1 (https://github.com/rust-random/rand.git?rev=bda997404d9ab8a89d590734d8b0bb72aed10758#bda99740)
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking mre_naersk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "e988158c3274c1397a4d9050d7c6a15e0eb97246bd54cc551b6603b4bfc2ecb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e988158c3274c1397a4d9050d7c6a15e0eb97246bd54cc551b6603b4bfc2ecb8", kill_on_drop: false }`
[INFO] [stdout] e988158c3274c1397a4d9050d7c6a15e0eb97246bd54cc551b6603b4bfc2ecb8