[INFO] cloning repository https://github.com/slayzz/rust-grep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slayzz/rust-grep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslayzz%2Frust-grep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslayzz%2Frust-grep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 756d084a32235ef05067a06708484eae551f050a
[INFO] testing slayzz/rust-grep against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslayzz%2Frust-grep" "/workspace/builds/worker-93/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-93/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slayzz/rust-grep 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/slayzz/rust-grep
[INFO] finished tweaking git repo https://github.com/slayzz/rust-grep
[INFO] tweaked toml for git repo https://github.com/slayzz/rust-grep written to /workspace/builds/worker-93/source/Cargo.toml
[INFO] crate git repo https://github.com/slayzz/rust-grep 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-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] ca1d742e6420093446ea3c1e2c11093e9f3ee9645520ea27e104718edf5ea0cd
[INFO] running `Command { std: "docker" "start" "-a" "ca1d742e6420093446ea3c1e2c11093e9f3ee9645520ea27e104718edf5ea0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca1d742e6420093446ea3c1e2c11093e9f3ee9645520ea27e104718edf5ea0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1d742e6420093446ea3c1e2c11093e9f3ee9645520ea27e104718edf5ea0cd", kill_on_drop: false }`
[INFO] [stdout] ca1d742e6420093446ea3c1e2c11093e9f3ee9645520ea27e104718edf5ea0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 518f6eb4d9e7af1daeabba97be6322ec094d69088603261ab3a34a1f4441f06a
[INFO] running `Command { std: "docker" "start" "-a" "518f6eb4d9e7af1daeabba97be6322ec094d69088603261ab3a34a1f4441f06a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling command_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `invalid_error`
[INFO] [stdout]   --> src/utils/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn invalid_error(value: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_error`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_error(text: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/utils/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     stderr().write(format!("{}\n", HELP_TEXT).as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/utils/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     stderr().write(text.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.92s
[INFO] running `Command { std: "docker" "inspect" "518f6eb4d9e7af1daeabba97be6322ec094d69088603261ab3a34a1f4441f06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "518f6eb4d9e7af1daeabba97be6322ec094d69088603261ab3a34a1f4441f06a", kill_on_drop: false }`
[INFO] [stdout] 518f6eb4d9e7af1daeabba97be6322ec094d69088603261ab3a34a1f4441f06a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] fafd4a800b16aad64cb5a01bac7ba5749483931d476aa563fd8f19a94f5d80ec
[INFO] running `Command { std: "docker" "start" "-a" "fafd4a800b16aad64cb5a01bac7ba5749483931d476aa563fd8f19a94f5d80ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling command_line v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `invalid_error`
[INFO] [stdout]   --> src/utils/mod.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn invalid_error(value: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `print_error`
[INFO] [stdout]   --> src/utils/mod.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn print_error(text: &str) {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]  --> src/utils/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     stderr().write(format!("{}\n", HELP_TEXT).as_bytes());
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/utils/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     stderr().write(text.as_bytes());
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "fafd4a800b16aad64cb5a01bac7ba5749483931d476aa563fd8f19a94f5d80ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fafd4a800b16aad64cb5a01bac7ba5749483931d476aa563fd8f19a94f5d80ec", kill_on_drop: false }`
[INFO] [stdout] fafd4a800b16aad64cb5a01bac7ba5749483931d476aa563fd8f19a94f5d80ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-93/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] 1556ac89f96125419a4141b070ed969338a5523fd40b9942756c2aa663cde0f5
[INFO] running `Command { std: "docker" "start" "-a" "1556ac89f96125419a4141b070ed969338a5523fd40b9942756c2aa663cde0f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: function is never used: `invalid_error`
[INFO] [stderr]   --> src/utils/mod.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn invalid_error(value: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_error`
[INFO] [stderr]   --> src/utils/mod.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn print_error(text: &str) {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]  --> src/utils/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     stderr().write(format!("{}\n", HELP_TEXT).as_bytes());
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]   = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/utils/mod.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     stderr().write(text.as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `command_line` (bin "command_line" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/command_line-3a6f818c33de22de)
[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" "1556ac89f96125419a4141b070ed969338a5523fd40b9942756c2aa663cde0f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1556ac89f96125419a4141b070ed969338a5523fd40b9942756c2aa663cde0f5", kill_on_drop: false }`
[INFO] [stdout] 1556ac89f96125419a4141b070ed969338a5523fd40b9942756c2aa663cde0f5