[INFO] cloning repository https://github.com/anuditnagar/rustexp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/anuditnagar/rustexp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanuditnagar%2Frustexp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanuditnagar%2Frustexp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 89d4828ced26e01830380ee3ea21d55d32c7eff0
[INFO] testing anuditnagar/rustexp against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fanuditnagar%2Frustexp" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/anuditnagar/rustexp on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/anuditnagar/rustexp
[INFO] finished tweaking git repo https://github.com/anuditnagar/rustexp
[INFO] tweaked toml for git repo https://github.com/anuditnagar/rustexp written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/anuditnagar/rustexp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 667f42ea4f623320cd11e7ea05dd94fffc9a47614c88553a0eff6ae04d5d287a
[INFO] running `Command { std: "docker" "start" "-a" "667f42ea4f623320cd11e7ea05dd94fffc9a47614c88553a0eff6ae04d5d287a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "667f42ea4f623320cd11e7ea05dd94fffc9a47614c88553a0eff6ae04d5d287a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "667f42ea4f623320cd11e7ea05dd94fffc9a47614c88553a0eff6ae04d5d287a", kill_on_drop: false }`
[INFO] [stdout] 667f42ea4f623320cd11e7ea05dd94fffc9a47614c88553a0eff6ae04d5d287a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a1b9798da068521d2cc62582a71aba6a5a630c35ca7fff4de00507036d6f7936
[INFO] running `Command { std: "docker" "start" "-a" "a1b9798da068521d2cc62582a71aba6a5a630c35ca7fff4de00507036d6f7936", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling linecount v0.1.0
[INFO] [stderr]    Compiling elapsed v0.1.2
[INFO] [stderr]    Compiling rustexp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/bin/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elapsed::measure_time`
[INFO] [stdout]   --> src/bin/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use elapsed::measure_time;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/bin/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let path = Path::new("lab.csv");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cnt_lines`
[INFO] [stdout]   --> src/bin/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn cnt_lines(path: &Path) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_line_at`
[INFO] [stdout]   --> src/bin/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn get_line_at(path: &Path, line_num: usize) -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dup`
[INFO] [stdout]   --> src/bin/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn dup(path: &Path){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rep`
[INFO] [stdout]   --> src/bin/main.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn rep(path: &Path){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_line`
[INFO] [stdout]   --> src/bin/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn add_line(line : &String){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 08s
[INFO] running `Command { std: "docker" "inspect" "a1b9798da068521d2cc62582a71aba6a5a630c35ca7fff4de00507036d6f7936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1b9798da068521d2cc62582a71aba6a5a630c35ca7fff4de00507036d6f7936", kill_on_drop: false }`
[INFO] [stdout] a1b9798da068521d2cc62582a71aba6a5a630c35ca7fff4de00507036d6f7936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d749f41193c31269e6b854b3992185b901ecd406867293fa4fd7d73d5a1ca06f
[INFO] running `Command { std: "docker" "start" "-a" "d749f41193c31269e6b854b3992185b901ecd406867293fa4fd7d73d5a1ca06f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustexp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/bin/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `elapsed::measure_time`
[INFO] [stdout]   --> src/bin/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use elapsed::measure_time;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/bin/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let path = Path::new("lab.csv");
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `cnt_lines`
[INFO] [stdout]   --> src/bin/main.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn cnt_lines(path: &Path) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_line_at`
[INFO] [stdout]   --> src/bin/main.rs:69:4
[INFO] [stdout]    |
[INFO] [stdout] 69 | fn get_line_at(path: &Path, line_num: usize) -> Result<String, Error> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `dup`
[INFO] [stdout]   --> src/bin/main.rs:76:4
[INFO] [stdout]    |
[INFO] [stdout] 76 | fn dup(path: &Path){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rep`
[INFO] [stdout]   --> src/bin/main.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn rep(path: &Path){
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add_line`
[INFO] [stdout]   --> src/bin/main.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn add_line(line : &String){
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `Command { std: "docker" "inspect" "d749f41193c31269e6b854b3992185b901ecd406867293fa4fd7d73d5a1ca06f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d749f41193c31269e6b854b3992185b901ecd406867293fa4fd7d73d5a1ca06f", kill_on_drop: false }`
[INFO] [stdout] d749f41193c31269e6b854b3992185b901ecd406867293fa4fd7d73d5a1ca06f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8bea7ace9a638144e83bddf9e20b417ddbd50e58afb3061479d5e87c3cba1f5
[INFO] running `Command { std: "docker" "start" "-a" "f8bea7ace9a638144e83bddf9e20b417ddbd50e58afb3061479d5e87c3cba1f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::io::prelude::*`
[INFO] [stderr]  --> src/bin/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::io::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `elapsed::measure_time`
[INFO] [stderr]   --> src/bin/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use elapsed::measure_time;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/bin/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |     let path = Path::new("lab.csv");
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `cnt_lines`
[INFO] [stderr]   --> src/bin/main.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn cnt_lines(path: &Path) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_line_at`
[INFO] [stderr]   --> src/bin/main.rs:69:4
[INFO] [stderr]    |
[INFO] [stderr] 69 | fn get_line_at(path: &Path, line_num: usize) -> Result<String, Error> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `dup`
[INFO] [stderr]   --> src/bin/main.rs:76:4
[INFO] [stderr]    |
[INFO] [stderr] 76 | fn dup(path: &Path){
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rep`
[INFO] [stderr]   --> src/bin/main.rs:84:4
[INFO] [stderr]    |
[INFO] [stderr] 84 | fn rep(path: &Path){
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `add_line`
[INFO] [stderr]   --> src/bin/main.rs:96:4
[INFO] [stderr]    |
[INFO] [stderr] 96 | fn add_line(line : &String){
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rustexp` (bin "main" test) generated 8 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/main-0070661558def401)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/test-1e22ba5ccf9c0aac)
[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" "f8bea7ace9a638144e83bddf9e20b417ddbd50e58afb3061479d5e87c3cba1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8bea7ace9a638144e83bddf9e20b417ddbd50e58afb3061479d5e87c3cba1f5", kill_on_drop: false }`
[INFO] [stdout] f8bea7ace9a638144e83bddf9e20b417ddbd50e58afb3061479d5e87c3cba1f5