[INFO] cloning repository https://github.com/codedcosmos/line_counter [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/codedcosmos/line_counter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodedcosmos%2Fline_counter", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodedcosmos%2Fline_counter'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e6a2eba63d23784761526fa6d19f50c176e52d6 [INFO] testing codedcosmos/line_counter against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcodedcosmos%2Fline_counter" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/codedcosmos/line_counter on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/codedcosmos/line_counter [INFO] finished tweaking git repo https://github.com/codedcosmos/line_counter [INFO] tweaked toml for git repo https://github.com/codedcosmos/line_counter written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/codedcosmos/line_counter already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] defeec2691829897be14843278d185667d7d713ec188f3bff3469fc93409b5fb [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" "defeec2691829897be14843278d185667d7d713ec188f3bff3469fc93409b5fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "defeec2691829897be14843278d185667d7d713ec188f3bff3469fc93409b5fb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "defeec2691829897be14843278d185667d7d713ec188f3bff3469fc93409b5fb", kill_on_drop: false }` [INFO] [stdout] defeec2691829897be14843278d185667d7d713ec188f3bff3469fc93409b5fb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 80c86b455fbaa6746774d9fb52a2b1c95b10061585099014df8296fd80fc492e [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" "80c86b455fbaa6746774d9fb52a2b1c95b10061585099014df8296fd80fc492e", kill_on_drop: false }` [INFO] [stderr] Compiling line_counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DirEntry`, `FileType` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{DirEntry, FileType}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsString` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ffi::OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PathBuf`, `Path` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::{PathBuf, Path}; [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `extension` is never read [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut extension = ""; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:121:24 [INFO] [stdout] | [INFO] [stdout] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:121:56 [INFO] [stdout] | [INFO] [stdout] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "80c86b455fbaa6746774d9fb52a2b1c95b10061585099014df8296fd80fc492e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "80c86b455fbaa6746774d9fb52a2b1c95b10061585099014df8296fd80fc492e", kill_on_drop: false }` [INFO] [stdout] 80c86b455fbaa6746774d9fb52a2b1c95b10061585099014df8296fd80fc492e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d9ecc4975a1b6ff144ff7efad288b8a29d336a2db62e4afb225016f5e33a486e [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" "d9ecc4975a1b6ff144ff7efad288b8a29d336a2db62e4afb225016f5e33a486e", kill_on_drop: false }` [INFO] [stderr] Compiling line_counter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `DirEntry`, `FileType` [INFO] [stdout] --> src/main.rs:4:15 [INFO] [stdout] | [INFO] [stdout] 4 | use std::fs::{DirEntry, FileType}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::Error` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::io::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsString` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::ffi::OsString; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `PathBuf`, `Path` [INFO] [stdout] --> src/main.rs:7:17 [INFO] [stdout] | [INFO] [stdout] 7 | use std::path::{PathBuf, Path}; [INFO] [stdout] | ^^^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::exit` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::process::exit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:109:25 [INFO] [stdout] | [INFO] [stdout] 109 | Err(e) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `extension` is never read [INFO] [stdout] --> src/main.rs:124:13 [INFO] [stdout] | [INFO] [stdout] 124 | let mut extension = ""; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:121:24 [INFO] [stdout] | [INFO] [stdout] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [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: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:121:56 [INFO] [stdout] | [INFO] [stdout] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 9 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "d9ecc4975a1b6ff144ff7efad288b8a29d336a2db62e4afb225016f5e33a486e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9ecc4975a1b6ff144ff7efad288b8a29d336a2db62e4afb225016f5e33a486e", kill_on_drop: false }` [INFO] [stdout] d9ecc4975a1b6ff144ff7efad288b8a29d336a2db62e4afb225016f5e33a486e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 53261930f8225880720774a7d76db769462449d0373963068f40bc7fbe8e06ad [INFO] running `Command { std: "docker" "start" "-a" "53261930f8225880720774a7d76db769462449d0373963068f40bc7fbe8e06ad", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `DirEntry`, `FileType` [INFO] [stderr] --> src/main.rs:4:15 [INFO] [stderr] | [INFO] [stderr] 4 | use std::fs::{DirEntry, FileType}; [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Error` [INFO] [stderr] --> src/main.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use std::io::Error; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::ffi::OsString` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::ffi::OsString; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `PathBuf`, `Path` [INFO] [stderr] --> src/main.rs:7:17 [INFO] [stderr] | [INFO] [stderr] 7 | use std::path::{PathBuf, Path}; [INFO] [stderr] | ^^^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::exit` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::process::exit; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/main.rs:109:25 [INFO] [stderr] | [INFO] [stderr] 109 | Err(e) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `extension` is never read [INFO] [stderr] --> src/main.rs:124:13 [INFO] [stderr] | [INFO] [stderr] 124 | let mut extension = ""; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:121:24 [INFO] [stderr] | [INFO] [stderr] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [INFO] [stderr] | ----^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:121:56 [INFO] [stderr] | [INFO] [stderr] 121 | fn add_count_from_file(mut num_lines_total: &mut u128, mut num_lines_by_extension: &mut HashMap, path: &String) { [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `line_counter` (bin "line_counter" test) generated 9 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/line_counter-e1c693f0c714cf84) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "53261930f8225880720774a7d76db769462449d0373963068f40bc7fbe8e06ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53261930f8225880720774a7d76db769462449d0373963068f40bc7fbe8e06ad", kill_on_drop: false }` [INFO] [stdout] 53261930f8225880720774a7d76db769462449d0373963068f40bc7fbe8e06ad