[INFO] cloning repository https://github.com/mktoho12/hello-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mktoho12/hello-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmktoho12%2Fhello-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmktoho12%2Fhello-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9341acb7aa62056ed9639c4e81905780fef33818
[INFO] testing mktoho12/hello-rust against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmktoho12%2Fhello-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mktoho12/hello-rust
[INFO] finished tweaking git repo https://github.com/mktoho12/hello-rust
[INFO] tweaked toml for git repo https://github.com/mktoho12/hello-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mktoho12/hello-rust on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mktoho12/hello-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textwrap v0.13.4
[INFO] [stderr]   Downloaded ferris-says v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be4c148f35c6ceaa7f1aed51aab154cb481ca2a2bdd2656c526076579ba6a93c
[INFO] running `Command { std: "docker" "start" "-a" "be4c148f35c6ceaa7f1aed51aab154cb481ca2a2bdd2656c526076579ba6a93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be4c148f35c6ceaa7f1aed51aab154cb481ca2a2bdd2656c526076579ba6a93c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be4c148f35c6ceaa7f1aed51aab154cb481ca2a2bdd2656c526076579ba6a93c", kill_on_drop: false }`
[INFO] [stdout] be4c148f35c6ceaa7f1aed51aab154cb481ca2a2bdd2656c526076579ba6a93c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8ffc11233191364354139e9483877f8bc53c93cd1e3b80c42dc0c7fab19ee787
[INFO] running `Command { std: "docker" "start" "-a" "8ffc11233191364354139e9483877f8bc53c93cd1e3b80c42dc0c7fab19ee787", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-width v0.1.11
[INFO] [stderr]    Compiling smawk v0.3.2
[INFO] [stderr]    Compiling smallvec v1.11.2
[INFO] [stderr]    Compiling textwrap v0.13.4
[INFO] [stderr]    Compiling ferris-says v0.3.1
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/book/my_enum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V4(u8, u8, u8, u8),
[INFO] [stdout]   |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 3 -     V4(u8, u8, u8, u8),
[INFO] [stdout] 3 +     V4((), (), (), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/book/my_enum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     V6(String),
[INFO] [stdout] 4 +     V6(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "8ffc11233191364354139e9483877f8bc53c93cd1e3b80c42dc0c7fab19ee787", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ffc11233191364354139e9483877f8bc53c93cd1e3b80c42dc0c7fab19ee787", kill_on_drop: false }`
[INFO] [stdout] 8ffc11233191364354139e9483877f8bc53c93cd1e3b80c42dc0c7fab19ee787
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4895b15846fecd06db4d928af21a18ed7368959922fd2c0452a0d7ea9c8a9efa
[INFO] running `Command { std: "docker" "start" "-a" "4895b15846fecd06db4d928af21a18ed7368959922fd2c0452a0d7ea9c8a9efa", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stdout]  --> src/book/my_enum.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 |     V4(u8, u8, u8, u8),
[INFO] [stdout]   |     -- ^^  ^^  ^^  ^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]   |
[INFO] [stdout] 3 -     V4(u8, u8, u8, u8),
[INFO] [stdout] 3 +     V4((), (), (), ()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/book/my_enum.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 |     V6(String),
[INFO] [stdout]   |     -- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 4 -     V6(String),
[INFO] [stdout] 4 +     V6(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "4895b15846fecd06db4d928af21a18ed7368959922fd2c0452a0d7ea9c8a9efa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4895b15846fecd06db4d928af21a18ed7368959922fd2c0452a0d7ea9c8a9efa", kill_on_drop: false }`
[INFO] [stdout] 4895b15846fecd06db4d928af21a18ed7368959922fd2c0452a0d7ea9c8a9efa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2338c135af9bb2f7c65728a2f7b48ecd7f2ec356ee0ee5ab10380cea18fc1b0e
[INFO] running `Command { std: "docker" "start" "-a" "2338c135af9bb2f7c65728a2f7b48ecd7f2ec356ee0ee5ab10380cea18fc1b0e", kill_on_drop: false }`
[INFO] [stderr] warning: fields `0`, `1`, `2`, and `3` are never read
[INFO] [stderr]  --> src/book/my_enum.rs:3:8
[INFO] [stderr]   |
[INFO] [stderr] 3 |     V4(u8, u8, u8, u8),
[INFO] [stderr]   |     -- ^^  ^^  ^^  ^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     fields in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stderr]   |
[INFO] [stderr] 3 -     V4(u8, u8, u8, u8),
[INFO] [stderr] 3 +     V4((), (), (), ()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/book/my_enum.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 |     V6(String),
[INFO] [stderr]   |     -- ^^^^^^
[INFO] [stderr]   |     |
[INFO] [stderr]   |     field in this variant
[INFO] [stderr]   |
[INFO] [stderr]   = note: `IpAddr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]   |
[INFO] [stderr] 4 -     V6(String),
[INFO] [stderr] 4 +     V6(()),
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `hello-rust` (bin "hello-rust" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_rust-e4099468f9d888ac)
[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" "2338c135af9bb2f7c65728a2f7b48ecd7f2ec356ee0ee5ab10380cea18fc1b0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2338c135af9bb2f7c65728a2f7b48ecd7f2ec356ee0ee5ab10380cea18fc1b0e", kill_on_drop: false }`
[INFO] [stdout] 2338c135af9bb2f7c65728a2f7b48ecd7f2ec356ee0ee5ab10380cea18fc1b0e
