[INFO] cloning repository https://github.com/plscar/r_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plscar/r_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplscar%2Fr_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplscar%2Fr_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef9aaf93ecf3ecd4646dc034a5de03573951bcb1
[INFO] checking plscar/r_client against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplscar%2Fr_client" "/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/plscar/r_client 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/plscar/r_client
[INFO] finished tweaking git repo https://github.com/plscar/r_client
[INFO] tweaked toml for git repo https://github.com/plscar/r_client written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/plscar/r_client 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] 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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67d0bc22530d05abdcb39bd5e19d49e75a1ae3a7a42e6799406892e67b46205b
[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" "67d0bc22530d05abdcb39bd5e19d49e75a1ae3a7a42e6799406892e67b46205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67d0bc22530d05abdcb39bd5e19d49e75a1ae3a7a42e6799406892e67b46205b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d0bc22530d05abdcb39bd5e19d49e75a1ae3a7a42e6799406892e67b46205b", kill_on_drop: false }`
[INFO] [stdout] 67d0bc22530d05abdcb39bd5e19d49e75a1ae3a7a42e6799406892e67b46205b
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "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] cfabdf360cb1d48347cf72fb2c1231fc40d52c859504cdb46450186af1750cf4
[INFO] running `Command { std: "docker" "start" "-a" "cfabdf360cb1d48347cf72fb2c1231fc40d52c859504cdb46450186af1750cf4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking r_client v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/main.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         format!(mystring,&lstr)
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 41 |         format!("{} {}", mystring,&lstr)
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: format argument must be a string literal
[INFO] [stdout]   --> src/main.rs:41:17
[INFO] [stdout]    |
[INFO] [stdout] 41 |         format!(mystring,&lstr)
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you might be missing a string literal to format with
[INFO] [stdout]    |
[INFO] [stdout] 41 |         format!("{} {}", mystring,&lstr)
[INFO] [stdout]    |                 ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `r_client`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cfabdf360cb1d48347cf72fb2c1231fc40d52c859504cdb46450186af1750cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfabdf360cb1d48347cf72fb2c1231fc40d52c859504cdb46450186af1750cf4", kill_on_drop: false }`
[INFO] [stdout] cfabdf360cb1d48347cf72fb2c1231fc40d52c859504cdb46450186af1750cf4