[INFO] cloning repository https://github.com/Fuzen-py/iter_command [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Fuzen-py/iter_command" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2Fiter_command", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2Fiter_command'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 353e0ba6107673c68314eaf854bfaad36f3fd656 [INFO] checking Fuzen-py/iter_command against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFuzen-py%2Fiter_command" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Fuzen-py/iter_command on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Fuzen-py/iter_command [INFO] finished tweaking git repo https://github.com/Fuzen-py/iter_command [INFO] tweaked toml for git repo https://github.com/Fuzen-py/iter_command written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Fuzen-py/iter_command already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded stopwatch v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cb819d0bbbb441b03b5b7aeec05e62b1f76f0e0957bf393c636e13702b5552d [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" "5cb819d0bbbb441b03b5b7aeec05e62b1f76f0e0957bf393c636e13702b5552d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cb819d0bbbb441b03b5b7aeec05e62b1f76f0e0957bf393c636e13702b5552d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cb819d0bbbb441b03b5b7aeec05e62b1f76f0e0957bf393c636e13702b5552d", kill_on_drop: false }` [INFO] [stdout] 5cb819d0bbbb441b03b5b7aeec05e62b1f76f0e0957bf393c636e13702b5552d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5cf1a51be954442e6ea393dae422a6b8b19aee1d76ce40b9a927094615332eb4 [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" "5cf1a51be954442e6ea393dae422a6b8b19aee1d76ce40b9a927094615332eb4", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.2.2 [INFO] [stderr] Checking nodrop v0.1.12 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking atty v0.2.8 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking arrayvec v0.4.7 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.2.0 [INFO] [stderr] Checking rayon-core v1.4.0 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking rayon v1.0.1 [INFO] [stderr] Checking num-bigint v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-rational v0.1.42 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking stopwatch v0.0.7 [INFO] [stderr] Checking iter_command v0.1.4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | (min.parse::().unwrap()..max.parse::().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/main.rs:101:5 [INFO] [stdout] | [INFO] [stdout] 101 | (min.parse::().unwrap()..max.parse::().unwrap()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` 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 11.57s [INFO] running `Command { std: "docker" "inspect" "5cf1a51be954442e6ea393dae422a6b8b19aee1d76ce40b9a927094615332eb4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cf1a51be954442e6ea393dae422a6b8b19aee1d76ce40b9a927094615332eb4", kill_on_drop: false }` [INFO] [stdout] 5cf1a51be954442e6ea393dae422a6b8b19aee1d76ce40b9a927094615332eb4