[INFO] cloning repository https://github.com/codepr/rublo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codepr/rublo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frublo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frublo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74e567e3b96b7d142672f817491e98acfa2fad5c
[INFO] checking codepr/rublo against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodepr%2Frublo" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/codepr/rublo on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/codepr/rublo
[INFO] finished tweaking git repo https://github.com/codepr/rublo
[INFO] tweaked toml for git repo https://github.com/codepr/rublo written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/codepr/rublo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dbd6bd6eb252eb8b653f338d07717801a96f35e47432e7be165edb870de37c0
[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" "2dbd6bd6eb252eb8b653f338d07717801a96f35e47432e7be165edb870de37c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dbd6bd6eb252eb8b653f338d07717801a96f35e47432e7be165edb870de37c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbd6bd6eb252eb8b653f338d07717801a96f35e47432e7be165edb870de37c0", kill_on_drop: false }`
[INFO] [stdout] 2dbd6bd6eb252eb8b653f338d07717801a96f35e47432e7be165edb870de37c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5243a83a18c9fc4e4c3291c210c49b8668539e121c7f144f89b36c1a2d03e956
[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" "5243a83a18c9fc4e4c3291c210c49b8668539e121c7f144f89b36c1a2d03e956", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling radium v0.6.2
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking seahash v3.0.7
[INFO] [stderr]     Checking funty v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking mio v0.7.9
[INFO] [stderr]     Checking xoroshiro128 v0.3.0
[INFO] [stderr]     Checking fasthash v0.4.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking futures-executor v0.3.13
[INFO] [stderr]     Checking futures v0.3.13
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking bitvec v0.21.1
[INFO] [stderr]     Checking rublo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `to_file`
[INFO] [stdout]    --> src/filter.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub async fn to_file(&self, filename: &str) -> AsyncResult<()> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_file`
[INFO] [stdout]    --> src/filter.rs:122:18
[INFO] [stdout]     |
[INFO] [stdout] 122 |     pub async fn to_file(&self, filename: &str) -> AsyncResult<()> {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` 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 40.99s
[INFO] running `Command { std: "docker" "inspect" "5243a83a18c9fc4e4c3291c210c49b8668539e121c7f144f89b36c1a2d03e956", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5243a83a18c9fc4e4c3291c210c49b8668539e121c7f144f89b36c1a2d03e956", kill_on_drop: false }`
[INFO] [stdout] 5243a83a18c9fc4e4c3291c210c49b8668539e121c7f144f89b36c1a2d03e956