[INFO] cloning repository https://github.com/olivernn/ghostwriter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/olivernn/ghostwriter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folivernn%2Fghostwriter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folivernn%2Fghostwriter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c010c50af532554be2cb4a1cc83e0b182687efe
[INFO] checking olivernn/ghostwriter against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Folivernn%2Fghostwriter" "/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/olivernn/ghostwriter on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/olivernn/ghostwriter
[INFO] finished tweaking git repo https://github.com/olivernn/ghostwriter
[INFO] tweaked toml for git repo https://github.com/olivernn/ghostwriter written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/olivernn/ghostwriter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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[INFO] the lockfile is outdated, regenerating it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" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1295bf48cd3da02622fcb34ae21af5a03b89f6cbf83f8b11cff8a6083e61002d
[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" "1295bf48cd3da02622fcb34ae21af5a03b89f6cbf83f8b11cff8a6083e61002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1295bf48cd3da02622fcb34ae21af5a03b89f6cbf83f8b11cff8a6083e61002d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1295bf48cd3da02622fcb34ae21af5a03b89f6cbf83f8b11cff8a6083e61002d", kill_on_drop: false }`
[INFO] [stdout] 1295bf48cd3da02622fcb34ae21af5a03b89f6cbf83f8b11cff8a6083e61002d
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1d240847bb80fcad0487b5e002d0dff0a5e67d2a76739e4ea5f02da4d437864
[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" "f1d240847bb80fcad0487b5e002d0dff0a5e67d2a76739e4ea5f02da4d437864", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `openssl`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.7.17`
[INFO] [stderr]     ... which is depended on by `libgit2-sys v0.3.12`
[INFO] [stderr]     ... which is depended on by `git2 v0.3.4`
[INFO] [stderr]     ... which is depended on by `ghostwriter v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `openssl`
[INFO] [stderr] 
[INFO] [stderr] package `openssl-sys v0.9.58`
[INFO] [stderr]     ... which is depended on by `libssh2-sys v0.2.19`
[INFO] [stderr]     ... which is depended on by `libgit2-sys v0.3.12`
[INFO] [stderr]     ... which is depended on by `git2 v0.3.4`
[INFO] [stderr]     ... which is depended on by `ghostwriter v0.2.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `openssl`
[INFO] running `Command { std: "docker" "inspect" "f1d240847bb80fcad0487b5e002d0dff0a5e67d2a76739e4ea5f02da4d437864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1d240847bb80fcad0487b5e002d0dff0a5e67d2a76739e4ea5f02da4d437864", kill_on_drop: false }`
[INFO] [stdout] f1d240847bb80fcad0487b5e002d0dff0a5e67d2a76739e4ea5f02da4d437864