[INFO] cloning repository https://github.com/accuminium/slm_conv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/accuminium/slm_conv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccuminium%2Fslm_conv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccuminium%2Fslm_conv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a2e94cecfd582d9c1afdd27326ee827cc83c7d8
[INFO] checking accuminium/slm_conv against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faccuminium%2Fslm_conv" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/accuminium/slm_conv on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/accuminium/slm_conv
[INFO] finished tweaking git repo https://github.com/accuminium/slm_conv
[INFO] tweaked toml for git repo https://github.com/accuminium/slm_conv written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/accuminium/slm_conv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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-4/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[INFO] the lockfile is outdated, regenerating it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" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "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] b05f9341666ffca0632fc37ed6cca3c87d88c281a0bae6c257ef88c0e23511fa
[INFO] running `Command { std: "docker" "start" "-a" "b05f9341666ffca0632fc37ed6cca3c87d88c281a0bae6c257ef88c0e23511fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05f9341666ffca0632fc37ed6cca3c87d88c281a0bae6c257ef88c0e23511fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05f9341666ffca0632fc37ed6cca3c87d88c281a0bae6c257ef88c0e23511fa", kill_on_drop: false }`
[INFO] [stdout] b05f9341666ffca0632fc37ed6cca3c87d88c281a0bae6c257ef88c0e23511fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 740a93ba17b8115e6ddc392371ffb8ad694f02cbc05c2b37e47b76a022b64b2a
[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" "740a93ba17b8115e6ddc392371ffb8ad694f02cbc05c2b37e47b76a022b64b2a", kill_on_drop: false }`
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking strfmt v0.1.6
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking slm_conv v0.3.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.91s
[INFO] running `Command { std: "docker" "inspect" "740a93ba17b8115e6ddc392371ffb8ad694f02cbc05c2b37e47b76a022b64b2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "740a93ba17b8115e6ddc392371ffb8ad694f02cbc05c2b37e47b76a022b64b2a", kill_on_drop: false }`
[INFO] [stdout] 740a93ba17b8115e6ddc392371ffb8ad694f02cbc05c2b37e47b76a022b64b2a