[INFO] cloning repository https://github.com/Algatux/rust-experiments [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Algatux/rust-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlgatux%2Frust-experiments", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlgatux%2Frust-experiments'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8111cdfa60cc593ecc7befaa40e5eb20b3c53a8e [INFO] checking Algatux/rust-experiments against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlgatux%2Frust-experiments" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Algatux/rust-experiments on toolchain 7b3565da729099dbe807466fcd118fb2815986e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Algatux/rust-experiments [INFO] finished tweaking git repo https://github.com/Algatux/rust-experiments [INFO] tweaked toml for git repo https://github.com/Algatux/rust-experiments written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/Algatux/rust-experiments already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded fuchsia-zircon v0.3.3 [INFO] [stderr] Downloaded fuchsia-zircon-sys v0.3.3 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded rand v0.4.2 [INFO] [stderr] Downloaded winapi v0.3.4 [INFO] [stderr] Downloaded libc v0.2.39 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 403d70c15c1cef50d6b2b5e9caa1062b3d19242fb0ebe176a1f3ae1374364882 [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" "403d70c15c1cef50d6b2b5e9caa1062b3d19242fb0ebe176a1f3ae1374364882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "403d70c15c1cef50d6b2b5e9caa1062b3d19242fb0ebe176a1f3ae1374364882", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "403d70c15c1cef50d6b2b5e9caa1062b3d19242fb0ebe176a1f3ae1374364882", kill_on_drop: false }` [INFO] [stdout] 403d70c15c1cef50d6b2b5e9caa1062b3d19242fb0ebe176a1f3ae1374364882 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 200654fb13ea0960dfb0b47f3513b51d2812b1b689f6f82723e9b8e7e07c05d0 [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" "200654fb13ea0960dfb0b47f3513b51d2812b1b689f6f82723e9b8e7e07c05d0", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking rust-experiments v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function is never used: `size` [INFO] [stdout] --> src/main.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn size(&self) -> u8 { [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: `size` [INFO] [stdout] --> src/main.rs:28:12 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn size(&self) -> u8 { [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 11.91s [INFO] running `Command { std: "docker" "inspect" "200654fb13ea0960dfb0b47f3513b51d2812b1b689f6f82723e9b8e7e07c05d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "200654fb13ea0960dfb0b47f3513b51d2812b1b689f6f82723e9b8e7e07c05d0", kill_on_drop: false }` [INFO] [stdout] 200654fb13ea0960dfb0b47f3513b51d2812b1b689f6f82723e9b8e7e07c05d0