[INFO] cloning repository https://github.com/jrvidal/r5.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jrvidal/r5.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae715768cf6c46ab228ede11aaddbb7f8f428260
[INFO] checking jrvidal/r5.rs against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjrvidal%2Fr5.rs" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jrvidal/r5.rs on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] finished tweaking git repo https://github.com/jrvidal/r5.rs
[INFO] tweaked toml for git repo https://github.com/jrvidal/r5.rs written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/jrvidal/r5.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] f5b1f696b98f38014380ac2505df3ba7eb27bd0ace8f7daa8a16ff5cd4771c0f
[INFO] running `Command { std: "docker" "start" "-a" "f5b1f696b98f38014380ac2505df3ba7eb27bd0ace8f7daa8a16ff5cd4771c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5b1f696b98f38014380ac2505df3ba7eb27bd0ace8f7daa8a16ff5cd4771c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5b1f696b98f38014380ac2505df3ba7eb27bd0ace8f7daa8a16ff5cd4771c0f", kill_on_drop: false }`
[INFO] [stdout] f5b1f696b98f38014380ac2505df3ba7eb27bd0ace8f7daa8a16ff5cd4771c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1276301b1d9b92894ff53b5a4a3b424813a7ceb21b8644319b5385451ab5979
[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" "c1276301b1d9b92894ff53b5a4a3b424813a7ceb21b8644319b5385451ab5979", kill_on_drop: false }`
[INFO] [stderr] Checking libc v0.2.36
[INFO] [stderr] Checking ucd-util v0.1.1
[INFO] [stderr] Compiling regex v1.0.0
[INFO] [stderr] Checking lazy_static v1.0.0
[INFO] [stderr] Checking bitflags v0.4.0
[INFO] [stderr] Checking cfg-if v0.1.2
[INFO] [stderr] Checking utf8-ranges v1.0.0
[INFO] [stderr] Checking unicode-width v0.1.4
[INFO] [stderr] Checking encode_unicode v0.1.3
[INFO] [stderr] Checking termcolor v0.3.6
[INFO] [stderr] Checking gc v0.3.2
[INFO] [stderr] Checking log v0.4.1
[INFO] [stderr] Checking thread_local v0.3.5
[INFO] [stderr] Checking regex-syntax v0.6.0
[INFO] [stderr] Checking memchr v2.0.1
[INFO] [stderr] Checking nix v0.5.1
[INFO] [stderr] Checking atty v0.2.10
[INFO] [stderr] Checking aho-corasick v0.6.4
[INFO] [stderr] Checking rustyline v1.0.0
[INFO] [stderr] Checking env_logger v0.5.10
[INFO] [stderr] Checking r5rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout] --> src/compiler/mod.rs:771:20
[INFO] [stdout] |
[INFO] [stdout] 771 | ) -> Result