[INFO] cloning repository https://github.com/elbart/jf [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elbart/jf" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fjf", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fjf'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8847d70527843afd5cdc96b56203c97736d9a0c2 [INFO] checking elbart/jf against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felbart%2Fjf" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/elbart/jf on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/elbart/jf [INFO] finished tweaking git repo https://github.com/elbart/jf [INFO] tweaked toml for git repo https://github.com/elbart/jf written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/elbart/jf already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1ce82319b9032a55f7d3f011df1ecd5f7ec7b652e103b05b9d805e12bd949ecd [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" "1ce82319b9032a55f7d3f011df1ecd5f7ec7b652e103b05b9d805e12bd949ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1ce82319b9032a55f7d3f011df1ecd5f7ec7b652e103b05b9d805e12bd949ecd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1ce82319b9032a55f7d3f011df1ecd5f7ec7b652e103b05b9d805e12bd949ecd", kill_on_drop: false }` [INFO] [stdout] 1ce82319b9032a55f7d3f011df1ecd5f7ec7b652e103b05b9d805e12bd949ecd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ff10f3ce26d89c704dcfc4c17d51be62d98b28efadce09bf8dc842ebfa9a1f58 [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" "ff10f3ce26d89c704dcfc4c17d51be62d98b28efadce09bf8dc842ebfa9a1f58", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking itoa v0.4.1 [INFO] [stderr] Checking dtoa v0.4.2 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking serde_json v1.0.13 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking jf v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:37 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_json_to_string(reader: &mut Read) -> Result { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/main.rs:71:37 [INFO] [stdout] | [INFO] [stdout] 71 | fn read_json_to_string(reader: &mut Read) -> Result { [INFO] [stdout] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.82s [INFO] running `Command { std: "docker" "inspect" "ff10f3ce26d89c704dcfc4c17d51be62d98b28efadce09bf8dc842ebfa9a1f58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ff10f3ce26d89c704dcfc4c17d51be62d98b28efadce09bf8dc842ebfa9a1f58", kill_on_drop: false }` [INFO] [stdout] ff10f3ce26d89c704dcfc4c17d51be62d98b28efadce09bf8dc842ebfa9a1f58