[INFO] cloning repository https://github.com/MalteJanz/rust-google-hashcode-template [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MalteJanz/rust-google-hashcode-template" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteJanz%2Frust-google-hashcode-template", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteJanz%2Frust-google-hashcode-template'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a1483457c0d803936124ed3cb8905c89af2d7a4e [INFO] checking MalteJanz/rust-google-hashcode-template against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMalteJanz%2Frust-google-hashcode-template" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MalteJanz/rust-google-hashcode-template on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/MalteJanz/rust-google-hashcode-template [INFO] finished tweaking git repo https://github.com/MalteJanz/rust-google-hashcode-template [INFO] tweaked toml for git repo https://github.com/MalteJanz/rust-google-hashcode-template written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/MalteJanz/rust-google-hashcode-template already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4eda81c6f6716d567083b31689462ee5f9d1053c937095f19f0cdfb4b736e750 [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" "4eda81c6f6716d567083b31689462ee5f9d1053c937095f19f0cdfb4b736e750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4eda81c6f6716d567083b31689462ee5f9d1053c937095f19f0cdfb4b736e750", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4eda81c6f6716d567083b31689462ee5f9d1053c937095f19f0cdfb4b736e750", kill_on_drop: false }` [INFO] [stdout] 4eda81c6f6716d567083b31689462ee5f9d1053c937095f19f0cdfb4b736e750 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a0388dd1cad40fa41463ce2a595e247e3cf5b23e4d142fec456613fc3ef5bfa8 [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" "a0388dd1cad40fa41463ce2a595e247e3cf5b23e4d142fec456613fc3ef5bfa8", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking hashcode-helpers v0.1.0 (/opt/rustwide/workdir/lib/hashcode-helpers) [INFO] [stderr] Compiling crossbeam-utils v0.8.2 [INFO] [stderr] Compiling memoffset v0.6.1 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.2 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking rust-google-hashcode-template v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/writer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Write` [INFO] [stdout] --> src/writer.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::io::Write; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_output` [INFO] [stdout] --> src/main.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let data_output = process_data(&data_context); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_output` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_context` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn process_data(data_context: &DataContext) /* -> OutputData */ [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_line` [INFO] [stdout] --> src/reader.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let first_line = line_iter.next().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/writer.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut writer = data_context.file_context.create_writer(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/writer.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut writer = data_context.file_context.create_writer(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_output` [INFO] [stdout] --> src/main.rs:28:21 [INFO] [stdout] | [INFO] [stdout] 28 | let data_output = process_data(&data_context); [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_output` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_context` [INFO] [stdout] --> src/main.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | pub fn process_data(data_context: &DataContext) /* -> OutputData */ [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_context` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `first_line` [INFO] [stdout] --> src/reader.rs:8:9 [INFO] [stdout] | [INFO] [stdout] 8 | let first_line = line_iter.next().unwrap(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_first_line` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `writer` [INFO] [stdout] --> src/writer.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut writer = data_context.file_context.create_writer(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_writer` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/writer.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | let mut writer = data_context.file_context.create_writer(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.84s [INFO] running `Command { std: "docker" "inspect" "a0388dd1cad40fa41463ce2a595e247e3cf5b23e4d142fec456613fc3ef5bfa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0388dd1cad40fa41463ce2a595e247e3cf5b23e4d142fec456613fc3ef5bfa8", kill_on_drop: false }` [INFO] [stdout] a0388dd1cad40fa41463ce2a595e247e3cf5b23e4d142fec456613fc3ef5bfa8