[INFO] cloning repository https://github.com/ry3s/wordcount [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ry3s/wordcount" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry3s%2Fwordcount", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry3s%2Fwordcount'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91790b736c4214fd2754c3329e1b6c492b9596b0 [INFO] checking ry3s/wordcount against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fry3s%2Fwordcount" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ry3s/wordcount on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ry3s/wordcount [INFO] finished tweaking git repo https://github.com/ry3s/wordcount [INFO] tweaked toml for git repo https://github.com/ry3s/wordcount written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/ry3s/wordcount already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82e418e6af4e42f508d0cbe5ebeddc9c8ea81a156691e61b8d51b3181cd68d1d [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" "82e418e6af4e42f508d0cbe5ebeddc9c8ea81a156691e61b8d51b3181cd68d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82e418e6af4e42f508d0cbe5ebeddc9c8ea81a156691e61b8d51b3181cd68d1d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82e418e6af4e42f508d0cbe5ebeddc9c8ea81a156691e61b8d51b3181cd68d1d", kill_on_drop: false }` [INFO] [stdout] 82e418e6af4e42f508d0cbe5ebeddc9c8ea81a156691e61b8d51b3181cd68d1d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] defc89b388373b9262f29fa1e7a8fc243f9f9be2ddeb2d4f09a1c4f58fd61b4c [INFO] running `Command { std: "docker" "start" "-a" "defc89b388373b9262f29fa1e7a8fc243f9f9be2ddeb2d4f09a1c4f58fd61b4c", kill_on_drop: false }` [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking regex v1.3.1 [INFO] [stderr] Checking bicycle-book-wordcount v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused macro definition [INFO] [stdout] --> src/lib.rs:105:1 [INFO] [stdout] | [INFO] [stdout] 105 | / macro_rules! assert_map { [INFO] [stdout] 106 | | ($expr: expr, {$($key: expr => $value:expr), *}) => { [INFO] [stdout] 107 | | $(assert_eq!($expr[$key], $value));* [INFO] [stdout] 108 | | }; [INFO] [stdout] 109 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_macros)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 4.78s [INFO] running `Command { std: "docker" "inspect" "defc89b388373b9262f29fa1e7a8fc243f9f9be2ddeb2d4f09a1c4f58fd61b4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "defc89b388373b9262f29fa1e7a8fc243f9f9be2ddeb2d4f09a1c4f58fd61b4c", kill_on_drop: false }` [INFO] [stdout] defc89b388373b9262f29fa1e7a8fc243f9f9be2ddeb2d4f09a1c4f58fd61b4c