[INFO] cloning repository https://github.com/GoldsteinE/comma [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GoldsteinE/comma" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c887b65660cbad5fa3e20459ea803902c161222 [INFO] checking GoldsteinE/comma against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGoldsteinE%2Fcomma" "/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/GoldsteinE/comma on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/GoldsteinE/comma [INFO] finished tweaking git repo https://github.com/GoldsteinE/comma [INFO] tweaked toml for git repo https://github.com/GoldsteinE/comma written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/GoldsteinE/comma already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b9a6aca2a33d6387b04e97c5a69ab36656b13145ca0b55156b9c8d7aa1f4f51 [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" "1b9a6aca2a33d6387b04e97c5a69ab36656b13145ca0b55156b9c8d7aa1f4f51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b9a6aca2a33d6387b04e97c5a69ab36656b13145ca0b55156b9c8d7aa1f4f51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b9a6aca2a33d6387b04e97c5a69ab36656b13145ca0b55156b9c8d7aa1f4f51", kill_on_drop: false }` [INFO] [stdout] 1b9a6aca2a33d6387b04e97c5a69ab36656b13145ca0b55156b9c8d7aa1f4f51 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0fcc7444dac19f8421a990e2e1f640a023c51633058496b75ad2f9d46daba32c [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" "0fcc7444dac19f8421a990e2e1f640a023c51633058496b75ad2f9d46daba32c", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Compiling cc v1.0.69 [INFO] [stderr] Compiling futures-core v0.3.16 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling eyre v0.6.5 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking gimli v0.25.0 [INFO] [stderr] Checking owo-colors v1.3.0 [INFO] [stderr] Checking indenter v0.3.3 [INFO] [stderr] Checking rustc-demangle v0.1.20 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Checking tracing-core v0.1.18 [INFO] [stderr] Checking sharded-slab v0.1.3 [INFO] [stderr] Checking lock_api v0.4.4 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking object v0.26.0 [INFO] [stderr] Checking spinning_top v0.2.4 [INFO] [stderr] Checking tracing-log v0.1.2 [INFO] [stderr] Compiling backtrace v0.3.61 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking nix v0.22.0 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking nanorand v0.6.1 [INFO] [stderr] Checking addr2line v0.16.0 [INFO] [stderr] Checking matchers v0.0.1 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking tracing-serde v0.1.2 [INFO] [stderr] Compiling tracing-attributes v0.1.15 [INFO] [stderr] Compiling thiserror-impl v1.0.26 [INFO] [stderr] Compiling pin-project-internal v1.0.8 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling thiserror v1.0.26 [INFO] [stderr] Compiling proc-macro-crate v1.0.0 [INFO] [stderr] Compiling num_enum_derive v0.5.3 [INFO] [stderr] Checking tracing v0.1.26 [INFO] [stderr] Checking tracing-subscriber v0.2.19 [INFO] [stderr] Checking pin-project v1.0.8 [INFO] [stderr] Checking flume v0.10.8 [INFO] [stderr] Checking tracing-error v0.1.2 [INFO] [stderr] Checking num_enum v0.5.3 [INFO] [stderr] Checking color-spantrace v0.1.6 [INFO] [stderr] Checking color-eyre v0.5.11 [INFO] [stderr] Checking comma v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/syscall.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let n: c_long = ptrace::read(pid, addr as _)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/syscall.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let n: c_long = ptrace::read(pid, addr as _)?; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` 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 43.46s [INFO] running `Command { std: "docker" "inspect" "0fcc7444dac19f8421a990e2e1f640a023c51633058496b75ad2f9d46daba32c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0fcc7444dac19f8421a990e2e1f640a023c51633058496b75ad2f9d46daba32c", kill_on_drop: false }` [INFO] [stdout] 0fcc7444dac19f8421a990e2e1f640a023c51633058496b75ad2f9d46daba32c