[INFO] cloning repository https://github.com/FR4NC1SC011/ADC2019-RUST
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FR4NC1SC011/ADC2019-RUST" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f3ff5b74807cf4ba8033bc4a7c6c455f38ae5be2
[INFO] testing FR4NC1SC011/ADC2019-RUST against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFR4NC1SC011%2FADC2019-RUST" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FR4NC1SC011/ADC2019-RUST on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FR4NC1SC011/ADC2019-RUST
[INFO] finished tweaking git repo https://github.com/FR4NC1SC011/ADC2019-RUST
[INFO] tweaked toml for git repo https://github.com/FR4NC1SC011/ADC2019-RUST written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/FR4NC1SC011/ADC2019-RUST already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d967ef30b847c6eccb85456d777891ec9346898ac9cba8f2f1b4437ff3b7fd5
[INFO] running `Command { std: "docker" "start" "-a" "8d967ef30b847c6eccb85456d777891ec9346898ac9cba8f2f1b4437ff3b7fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d967ef30b847c6eccb85456d777891ec9346898ac9cba8f2f1b4437ff3b7fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d967ef30b847c6eccb85456d777891ec9346898ac9cba8f2f1b4437ff3b7fd5", kill_on_drop: false }`
[INFO] [stdout] 8d967ef30b847c6eccb85456d777891ec9346898ac9cba8f2f1b4437ff3b7fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8f7b1b6bf59c2525a3681e365c1a248b4ef3a5de81ed3b3774338eaa6ae6765
[INFO] running `Command { std: "docker" "start" "-a" "e8f7b1b6bf59c2525a3681e365c1a248b4ef3a5de81ed3b3774338eaa6ae6765", kill_on_drop: false }`
[INFO] [stderr]    Compiling ADC2019-RUST v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/second.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/second.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..vec_int.len() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "e8f7b1b6bf59c2525a3681e365c1a248b4ef3a5de81ed3b3774338eaa6ae6765", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8f7b1b6bf59c2525a3681e365c1a248b4ef3a5de81ed3b3774338eaa6ae6765", kill_on_drop: false }`
[INFO] [stdout] e8f7b1b6bf59c2525a3681e365c1a248b4ef3a5de81ed3b3774338eaa6ae6765
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a422b3a330737d31f1f93ace43b8cf2ac6805ebd34be3ec6e9a6f22d1f7f5511
[INFO] running `Command { std: "docker" "start" "-a" "a422b3a330737d31f1f93ace43b8cf2ac6805ebd34be3ec6e9a6f22d1f7f5511", kill_on_drop: false }`
[INFO] [stderr]    Compiling ADC2019-RUST v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]  --> src/second.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{prelude::*, BufReader},
[INFO] [stdout]   |                      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/second.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 |     for i in 0..vec_int.len() {
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_a`
[INFO] [stdout]  --> src/first.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn first_a() {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `first_b`
[INFO] [stdout]   --> src/first.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub fn first_b() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]   --> src/first.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn read_file() -> Vec<String> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "a422b3a330737d31f1f93ace43b8cf2ac6805ebd34be3ec6e9a6f22d1f7f5511", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a422b3a330737d31f1f93ace43b8cf2ac6805ebd34be3ec6e9a6f22d1f7f5511", kill_on_drop: false }`
[INFO] [stdout] a422b3a330737d31f1f93ace43b8cf2ac6805ebd34be3ec6e9a6f22d1f7f5511
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 570871e2ec80ce0caa5bb9c619d01c040bc700b39c4c6acc6c4d19f16015388d
[INFO] running `Command { std: "docker" "start" "-a" "570871e2ec80ce0caa5bb9c619d01c040bc700b39c4c6acc6c4d19f16015388d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/second.rs:3:22
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 3 |     io::{prelude::*, BufReader},
[INFO] [stdout] 
[INFO] [stderr]   |                      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/second.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 24 |     for i in 0..vec_int.len() {
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_a`
[INFO] [stderr]  --> src/first.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn first_a() {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_b`
[INFO] [stderr]   --> src/first.rs:24:8
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn first_b() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_file`
[INFO] [stderr]   --> src/first.rs:47:4
[INFO] [stderr]    |
[INFO] [stderr] 47 | fn read_file() -> Vec<String> {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `ADC2019_RUST` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `adc2019_rust`
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ADC2019_RUST-9be3ed3aaf1e15d7)
[INFO] running `Command { std: "docker" "inspect" "570871e2ec80ce0caa5bb9c619d01c040bc700b39c4c6acc6c4d19f16015388d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570871e2ec80ce0caa5bb9c619d01c040bc700b39c4c6acc6c4d19f16015388d", kill_on_drop: false }`
[INFO] [stdout] 570871e2ec80ce0caa5bb9c619d01c040bc700b39c4c6acc6c4d19f16015388d