[INFO] cloning repository https://github.com/manaskarekar/convrs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/manaskarekar/convrs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanaskarekar%2Fconvrs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanaskarekar%2Fconvrs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78c557a1bc2e21ae67ee015708fe9f8e4315449d
[INFO] checking manaskarekar/convrs against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmanaskarekar%2Fconvrs" "/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/manaskarekar/convrs on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/manaskarekar/convrs
[INFO] finished tweaking git repo https://github.com/manaskarekar/convrs
[INFO] tweaked toml for git repo https://github.com/manaskarekar/convrs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/manaskarekar/convrs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 7f7ea5c2158c261970d21ad86275140782144b61d91d89870d43d3eb7f8aaa9e
[INFO] running `Command { std: "docker" "start" "-a" "7f7ea5c2158c261970d21ad86275140782144b61d91d89870d43d3eb7f8aaa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f7ea5c2158c261970d21ad86275140782144b61d91d89870d43d3eb7f8aaa9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f7ea5c2158c261970d21ad86275140782144b61d91d89870d43d3eb7f8aaa9e", kill_on_drop: false }`
[INFO] [stdout] 7f7ea5c2158c261970d21ad86275140782144b61d91d89870d43d3eb7f8aaa9e
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff2310533c7336b53d26431b0722ec488f7b46ffdabc3366641d6807676e32f4
[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" "ff2310533c7336b53d26431b0722ec488f7b46ffdabc3366641d6807676e32f4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]     Checking serde v1.0.16
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]    Compiling plist v0.2.3
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking xml-rs v0.6.1
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking handlebars v0.28.3
[INFO] [stderr]     Checking convrs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "ff2310533c7336b53d26431b0722ec488f7b46ffdabc3366641d6807676e32f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff2310533c7336b53d26431b0722ec488f7b46ffdabc3366641d6807676e32f4", kill_on_drop: false }`
[INFO] [stdout] ff2310533c7336b53d26431b0722ec488f7b46ffdabc3366641d6807676e32f4