[INFO] cloning repository https://github.com/sriharshakappala/rust-stackoverflow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sriharshakappala/rust-stackoverflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriharshakappala%2Frust-stackoverflow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriharshakappala%2Frust-stackoverflow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9535da6505e6ab8a95e386ac4c7f22a371f33da9 [INFO] checking sriharshakappala/rust-stackoverflow against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsriharshakappala%2Frust-stackoverflow" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sriharshakappala/rust-stackoverflow on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sriharshakappala/rust-stackoverflow [INFO] finished tweaking git repo https://github.com/sriharshakappala/rust-stackoverflow [INFO] tweaked toml for git repo https://github.com/sriharshakappala/rust-stackoverflow written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/sriharshakappala/rust-stackoverflow already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8131ae354d93c5e2c36eb8545d62527b836617e283733b5885fae5146aff29d6 [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" "8131ae354d93c5e2c36eb8545d62527b836617e283733b5885fae5146aff29d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8131ae354d93c5e2c36eb8545d62527b836617e283733b5885fae5146aff29d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8131ae354d93c5e2c36eb8545d62527b836617e283733b5885fae5146aff29d6", kill_on_drop: false }` [INFO] [stdout] 8131ae354d93c5e2c36eb8545d62527b836617e283733b5885fae5146aff29d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7cf5fd4e153d9e839f005f1f34be99d92f90d32922bd2fc5c53bd2f936b7ed78 [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" "7cf5fd4e153d9e839f005f1f34be99d92f90d32922bd2fc5c53bd2f936b7ed78", kill_on_drop: false }` [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling openssl-sys v0.7.17 [INFO] [stderr] Compiling libz-sys v1.1.2 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Checking log v0.4.11 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling curl-sys v0.1.35 [INFO] [stderr] Checking curl v0.2.19 [INFO] [stderr] Checking stackoverflow v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 49s [INFO] running `Command { std: "docker" "inspect" "7cf5fd4e153d9e839f005f1f34be99d92f90d32922bd2fc5c53bd2f936b7ed78", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7cf5fd4e153d9e839f005f1f34be99d92f90d32922bd2fc5c53bd2f936b7ed78", kill_on_drop: false }` [INFO] [stdout] 7cf5fd4e153d9e839f005f1f34be99d92f90d32922bd2fc5c53bd2f936b7ed78