[INFO] cloning repository https://github.com/pmarcelll/havlak-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmarcelll/havlak-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8b91943907597aa2f9205739b663dd390230e39b [INFO] checking pmarcelll/havlak-rs against master#c1feb3eceef7d5f0126c309a87062cf413fe0a25 for pr-121053 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmarcelll/havlak-rs on toolchain c1feb3eceef7d5f0126c309a87062cf413fe0a25 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] finished tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] tweaked toml for git repo https://github.com/pmarcelll/havlak-rs written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/pmarcelll/havlak-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c1feb3eceef7d5f0126c309a87062cf413fe0a25" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [ERROR] error running command: no output for 300 seconds [ERROR] this task or one of its parent failed! [ERROR] no output for 300 seconds [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace. [INFO] checking pmarcelll/havlak-rs against try#0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 for pr-121053 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmarcelll%2Fhavlak-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/pmarcelll/havlak-rs on toolchain 0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] finished tweaking git repo https://github.com/pmarcelll/havlak-rs [INFO] tweaked toml for git repo https://github.com/pmarcelll/havlak-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/pmarcelll/havlak-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "fetch" "--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] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded typed-arena v1.1.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 90f520a3b9f70c477de89672d3b3675b08b0bfe4e53e67ff65b26b5dc539166f [INFO] running `Command { std: "docker" "start" "-a" "90f520a3b9f70c477de89672d3b3675b08b0bfe4e53e67ff65b26b5dc539166f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "90f520a3b9f70c477de89672d3b3675b08b0bfe4e53e67ff65b26b5dc539166f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "90f520a3b9f70c477de89672d3b3675b08b0bfe4e53e67ff65b26b5dc539166f", kill_on_drop: false }` [INFO] [stdout] 90f520a3b9f70c477de89672d3b3675b08b0bfe4e53e67ff65b26b5dc539166f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+0d3c0c4551bd9d6b6a4bd51e251b596e0195adf5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fe7b9fb47f74d0174b90e9a861e494bd7a711de9bf91f0fcadd920fb50442e43 [INFO] running `Command { std: "docker" "start" "-a" "fe7b9fb47f74d0174b90e9a861e494bd7a711de9bf91f0fcadd920fb50442e43", kill_on_drop: false }` [INFO] [stderr] Checking typed-arena v1.1.0 [INFO] [stderr] Checking havlak v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: type annotations needed [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | Some((self as *const _).cmp(&(other as *const _))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #46906 [INFO] [stdout] = note: `#[warn(tyvar_behind_raw_pointer)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type annotations needed [INFO] [stdout] --> src/main.rs:41:33 [INFO] [stdout] | [INFO] [stdout] 41 | Some((self as *const _).cmp(&(other as *const _))) [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018! [INFO] [stdout] = note: for more information, see issue #46906 [INFO] [stdout] = note: `#[warn(tyvar_behind_raw_pointer)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 55 | struct BasicBlock<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 56 | pub name: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_root`, `is_reducible`, and `depth_level` are never read [INFO] [stdout] --> src/main.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 138 | struct SimpleLoop<'a, 'b: 'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 142 | is_root: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 143 | is_reducible: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | depth_level: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Top` and `Last` are never constructed [INFO] [stdout] --> src/main.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 282 | enum BasicBlockClass { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 283 | Top, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | Last, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BasicBlockClass` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/main.rs:56:9 [INFO] [stdout] | [INFO] [stdout] 55 | struct BasicBlock<'a> { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 56 | pub name: i32, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `is_root`, `is_reducible`, and `depth_level` are never read [INFO] [stdout] --> src/main.rs:142:5 [INFO] [stdout] | [INFO] [stdout] 138 | struct SimpleLoop<'a, 'b: 'a> { [INFO] [stdout] | ---------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 142 | is_root: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 143 | is_reducible: bool, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 146 | depth_level: i32 [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Top` and `Last` are never constructed [INFO] [stdout] --> src/main.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 282 | enum BasicBlockClass { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 283 | Top, [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 289 | Last, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `BasicBlockClass` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s [INFO] running `Command { std: "docker" "inspect" "fe7b9fb47f74d0174b90e9a861e494bd7a711de9bf91f0fcadd920fb50442e43", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fe7b9fb47f74d0174b90e9a861e494bd7a711de9bf91f0fcadd920fb50442e43", kill_on_drop: false }` [INFO] [stdout] fe7b9fb47f74d0174b90e9a861e494bd7a711de9bf91f0fcadd920fb50442e43