[INFO] cloning repository https://github.com/ravron/grit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ravron/grit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravron%2Fgrit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravron%2Fgrit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92228bb7c6c3bf1fbee6db491e3008c5db84b9dd
[INFO] testing ravron/grit against 1.55.0 for beta-1.56-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fravron%2Fgrit" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ravron/grit 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/ravron/grit
[INFO] finished tweaking git repo https://github.com/ravron/grit
[INFO] tweaked toml for git repo https://github.com/ravron/grit written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ravron/grit 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 8e80af18f760b03f7ba34db3fd793f24e3c05bdc1f9ce28ad59e66e2b7cc2f2f
[INFO] running `Command { std: "docker" "start" "-a" "8e80af18f760b03f7ba34db3fd793f24e3c05bdc1f9ce28ad59e66e2b7cc2f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e80af18f760b03f7ba34db3fd793f24e3c05bdc1f9ce28ad59e66e2b7cc2f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e80af18f760b03f7ba34db3fd793f24e3c05bdc1f9ce28ad59e66e2b7cc2f2f", kill_on_drop: false }`
[INFO] [stdout] 8e80af18f760b03f7ba34db3fd793f24e3c05bdc1f9ce28ad59e66e2b7cc2f2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 022994bdb20eb2d52381ea8655ea7d9c623ceae0fee66c85bce0517320c47cf6
[INFO] running `Command { std: "docker" "start" "-a" "022994bdb20eb2d52381ea8655ea7d9c623ceae0fee66c85bce0517320c47cf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling hex v0.4.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling compress v0.2.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]    Compiling structopt v0.3.21
[INFO] [stderr]    Compiling grit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]  --> src/cat_file.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Formatter};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cat_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/cat_file.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, fmt};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_hex`
[INFO] [stdout]   --> src/cat_file.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 99 |     fn from_hex(hex_str: impl AsRef<[u8]>) -> Result<Self> {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_object_in_objects`
[INFO] [stdout]    --> src/cat_file.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn find_object_in_objects() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_object_in_pack`
[INFO] [stdout]    --> src/cat_file.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn find_object_in_pack() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.70s
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "022994bdb20eb2d52381ea8655ea7d9c623ceae0fee66c85bce0517320c47cf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "022994bdb20eb2d52381ea8655ea7d9c623ceae0fee66c85bce0517320c47cf6", kill_on_drop: false }`
[INFO] [stdout] 022994bdb20eb2d52381ea8655ea7d9c623ceae0fee66c85bce0517320c47cf6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] a06450d716b023e144805646a0e28ea9f5dbd07da4391d00eec47494defd0102
[INFO] running `Command { std: "docker" "start" "-a" "a06450d716b023e144805646a0e28ea9f5dbd07da4391d00eec47494defd0102", kill_on_drop: false }`
[INFO] [stderr]    Compiling unindent v0.1.7
[INFO] [stderr]    Compiling indoc v1.0.3
[INFO] [stderr]    Compiling grit v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Formatter`
[INFO] [stdout]  --> src/cat_file.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fmt::{Debug, Formatter};
[INFO] [stdout]   |                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/cat_file.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt`
[INFO] [stdout]  --> src/cat_file.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::{env, fmt};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_object_in_objects`
[INFO] [stdout]    --> src/cat_file.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn find_object_in_objects() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_object_in_pack`
[INFO] [stdout]    --> src/cat_file.rs:154:4
[INFO] [stdout]     |
[INFO] [stdout] 154 | fn find_object_in_pack() {}
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.48s
[INFO] running `Command { std: "docker" "inspect" "a06450d716b023e144805646a0e28ea9f5dbd07da4391d00eec47494defd0102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a06450d716b023e144805646a0e28ea9f5dbd07da4391d00eec47494defd0102", kill_on_drop: false }`
[INFO] [stdout] a06450d716b023e144805646a0e28ea9f5dbd07da4391d00eec47494defd0102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stdout] 3f75cd65eb0ae08717964f3edb89ec72a9fc7905c9fa21772ade24bed71ae3b0
[INFO] running `Command { std: "docker" "start" "-a" "3f75cd65eb0ae08717964f3edb89ec72a9fc7905c9fa21772ade24bed71ae3b0", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Formatter`
[INFO] [stderr]  --> src/cat_file.rs:2:23
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fmt::{Debug, Formatter};
[INFO] [stderr]   |                       ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/cat_file.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fmt`
[INFO] [stderr]  --> src/cat_file.rs:7:16
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{env, fmt};
[INFO] [stderr]   |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_object_in_objects`
[INFO] [stderr]    --> src/cat_file.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn find_object_in_objects() {}
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_object_in_pack`
[INFO] [stderr]    --> src/cat_file.rs:154:4
[INFO] [stderr]     |
[INFO] [stderr] 154 | fn find_object_in_pack() {}
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `grit` (bin "grit" test) generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/grit-57200b7e1e215c8b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test cat_file::test::blob ... ok
[INFO] [stdout] test cat_file::test::tree ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f75cd65eb0ae08717964f3edb89ec72a9fc7905c9fa21772ade24bed71ae3b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f75cd65eb0ae08717964f3edb89ec72a9fc7905c9fa21772ade24bed71ae3b0", kill_on_drop: false }`
[INFO] [stdout] 3f75cd65eb0ae08717964f3edb89ec72a9fc7905c9fa21772ade24bed71ae3b0