[INFO] cloning repository https://github.com/endre90/litreview [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/endre90/litreview" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendre90%2Flitreview", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendre90%2Flitreview'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4eba97906e05f318bf861156791e26157b473f64 [INFO] checking endre90/litreview against master#16b569057e4d1591b4bee05f10df34000308dedc for pr-127827 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendre90%2Flitreview" "/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/endre90/litreview on toolchain 16b569057e4d1591b4bee05f10df34000308dedc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+16b569057e4d1591b4bee05f10df34000308dedc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/endre90/litreview [INFO] finished tweaking git repo https://github.com/endre90/litreview [INFO] tweaked toml for git repo https://github.com/endre90/litreview written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/endre90/litreview 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" "+16b569057e4d1591b4bee05f10df34000308dedc" "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 endre90/litreview against try#8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 for pr-127827 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fendre90%2Flitreview" "/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/endre90/litreview on toolchain 8a6640bd72b80869b16392026cb3aa8ce8e3f9b7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/endre90/litreview [INFO] finished tweaking git repo https://github.com/endre90/litreview [INFO] tweaked toml for git repo https://github.com/endre90/litreview written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/endre90/litreview 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" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "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] 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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d27efd5fc1aeaeb1b323d2ccaf7b95d58aca1f983c80a89dcf782382e07042dd [INFO] running `Command { std: "docker" "start" "-a" "d27efd5fc1aeaeb1b323d2ccaf7b95d58aca1f983c80a89dcf782382e07042dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d27efd5fc1aeaeb1b323d2ccaf7b95d58aca1f983c80a89dcf782382e07042dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d27efd5fc1aeaeb1b323d2ccaf7b95d58aca1f983c80a89dcf782382e07042dd", kill_on_drop: false }` [INFO] [stdout] d27efd5fc1aeaeb1b323d2ccaf7b95d58aca1f983c80a89dcf782382e07042dd [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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+8a6640bd72b80869b16392026cb3aa8ce8e3f9b7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87524726ca3e022613b4ba0eda4ff553efc9a65d0747de284db3d639af944b59 [INFO] running `Command { std: "docker" "start" "-a" "87524726ca3e022613b4ba0eda4ff553efc9a65d0747de284db3d639af944b59", kill_on_drop: false }` [INFO] [stderr] Checking itertools v0.4.19 [INFO] [stderr] Checking litreview v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `vpc_ieee_len` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let vpc_ieee_len = vpc_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vpc_ieee_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vpc_scopus_len` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let vpc_scopus_len = vpc_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vpc_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idt_ieee_len` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let idt_ieee_len = idt_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idt_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idt_scopus_len` [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | let idt_scopus_len = idt_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idt_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `imas_ieee_len` [INFO] [stdout] --> src/main.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | let imas_ieee_len = imas_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_imas_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `imas_scopus_len` [INFO] [stdout] --> src/main.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | let imas_scopus_len = imas_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_imas_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cpps_ieee_len` [INFO] [stdout] --> src/main.rs:394:9 [INFO] [stdout] | [INFO] [stdout] 394 | let cpps_ieee_len = cpps_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpps_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cpps_scopus_len` [INFO] [stdout] --> src/main.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | let cpps_scopus_len = cpps_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpps_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ifsr_ma_ieee_len` [INFO] [stdout] --> src/main.rs:584:9 [INFO] [stdout] | [INFO] [stdout] 584 | let ifsr_ma_ieee_len = ifsr_ma_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ifsr_ma_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ifsr_ma_scopus_len` [INFO] [stdout] --> src/main.rs:585:9 [INFO] [stdout] | [INFO] [stdout] 585 | let ifsr_ma_scopus_len = ifsr_ma_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ifsr_ma_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ros_ieee_len` [INFO] [stdout] --> src/main.rs:790:9 [INFO] [stdout] | [INFO] [stdout] 790 | let ros_ieee_len = ros_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ros_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ros_scopus_len` [INFO] [stdout] --> src/main.rs:791:9 [INFO] [stdout] | [INFO] [stdout] 791 | let ros_scopus_len = ros_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ros_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_2_final` [INFO] [stdout] --> src/main.rs:913:9 [INFO] [stdout] | [INFO] [stdout] 913 | let stage_2_final = vec!( [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_2_final` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_3` [INFO] [stdout] --> src/main.rs:1240:9 [INFO] [stdout] | [INFO] [stdout] 1240 | let stage_3 = vec!( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_3_control` [INFO] [stdout] --> src/main.rs:1282:9 [INFO] [stdout] | [INFO] [stdout] 1282 | let stage_3_control = vec!( [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_3_control` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found_extra` [INFO] [stdout] --> src/main.rs:1301:9 [INFO] [stdout] | [INFO] [stdout] 1301 | let found_extra = vec!( [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_extra` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vpc_ieee_len` [INFO] [stdout] --> src/main.rs:59:9 [INFO] [stdout] | [INFO] [stdout] 59 | let vpc_ieee_len = vpc_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vpc_ieee_len` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vpc_scopus_len` [INFO] [stdout] --> src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let vpc_scopus_len = vpc_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vpc_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idt_ieee_len` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let idt_ieee_len = idt_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idt_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `idt_scopus_len` [INFO] [stdout] --> src/main.rs:170:9 [INFO] [stdout] | [INFO] [stdout] 170 | let idt_scopus_len = idt_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_idt_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `imas_ieee_len` [INFO] [stdout] --> src/main.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | let imas_ieee_len = imas_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_imas_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `imas_scopus_len` [INFO] [stdout] --> src/main.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | let imas_scopus_len = imas_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_imas_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cpps_ieee_len` [INFO] [stdout] --> src/main.rs:394:9 [INFO] [stdout] | [INFO] [stdout] 394 | let cpps_ieee_len = cpps_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpps_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `cpps_scopus_len` [INFO] [stdout] --> src/main.rs:395:9 [INFO] [stdout] | [INFO] [stdout] 395 | let cpps_scopus_len = cpps_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_cpps_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ifsr_ma_ieee_len` [INFO] [stdout] --> src/main.rs:584:9 [INFO] [stdout] | [INFO] [stdout] 584 | let ifsr_ma_ieee_len = ifsr_ma_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ifsr_ma_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ifsr_ma_scopus_len` [INFO] [stdout] --> src/main.rs:585:9 [INFO] [stdout] | [INFO] [stdout] 585 | let ifsr_ma_scopus_len = ifsr_ma_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ifsr_ma_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ros_ieee_len` [INFO] [stdout] --> src/main.rs:790:9 [INFO] [stdout] | [INFO] [stdout] 790 | let ros_ieee_len = ros_ieee.len(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ros_ieee_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `ros_scopus_len` [INFO] [stdout] --> src/main.rs:791:9 [INFO] [stdout] | [INFO] [stdout] 791 | let ros_scopus_len = ros_scopus.len(); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ros_scopus_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_2_final` [INFO] [stdout] --> src/main.rs:913:9 [INFO] [stdout] | [INFO] [stdout] 913 | let stage_2_final = vec!( [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_2_final` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_3` [INFO] [stdout] --> src/main.rs:1240:9 [INFO] [stdout] | [INFO] [stdout] 1240 | let stage_3 = vec!( [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stage_3_control` [INFO] [stdout] --> src/main.rs:1282:9 [INFO] [stdout] | [INFO] [stdout] 1282 | let stage_3_control = vec!( [INFO] [stdout] | ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stage_3_control` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `found_extra` [INFO] [stdout] --> src/main.rs:1301:9 [INFO] [stdout] | [INFO] [stdout] 1301 | let found_extra = vec!( [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_found_extra` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "87524726ca3e022613b4ba0eda4ff553efc9a65d0747de284db3d639af944b59", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87524726ca3e022613b4ba0eda4ff553efc9a65d0747de284db3d639af944b59", kill_on_drop: false }` [INFO] [stdout] 87524726ca3e022613b4ba0eda4ff553efc9a65d0747de284db3d639af944b59