[INFO] fetching crate rfetch-rs 0.1.0...
[INFO] testing rfetch-rs-0.1.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate rfetch-rs 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate rfetch-rs 0.1.0
[INFO] finished tweaking crates.io crate rfetch-rs 0.1.0
[INFO] tweaked toml for crates.io crate rfetch-rs 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfetch-rs 0.1.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rfetch-rs 0.1.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adae797634034b2d5c729a4ecf1a3f3fcbabe0472c7bea492ed945049dfb9e95
[INFO] running `Command { std: "docker" "start" "-a" "adae797634034b2d5c729a4ecf1a3f3fcbabe0472c7bea492ed945049dfb9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adae797634034b2d5c729a4ecf1a3f3fcbabe0472c7bea492ed945049dfb9e95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adae797634034b2d5c729a4ecf1a3f3fcbabe0472c7bea492ed945049dfb9e95", kill_on_drop: false }`
[INFO] [stdout] adae797634034b2d5c729a4ecf1a3f3fcbabe0472c7bea492ed945049dfb9e95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e00a565d53096ad23f92af0ec8df76fdfeca4a8af8f7a93171392bff4d3b5e2
[INFO] running `Command { std: "docker" "start" "-a" "7e00a565d53096ad23f92af0ec8df76fdfeca4a8af8f7a93171392bff4d3b5e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfetch-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `content` is never read
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut content = String::new();
[INFO] [stdout]   |                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `var` is never read
[INFO] [stdout]   --> src/main.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |    let mut var = String::new();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "7e00a565d53096ad23f92af0ec8df76fdfeca4a8af8f7a93171392bff4d3b5e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e00a565d53096ad23f92af0ec8df76fdfeca4a8af8f7a93171392bff4d3b5e2", kill_on_drop: false }`
[INFO] [stdout] 7e00a565d53096ad23f92af0ec8df76fdfeca4a8af8f7a93171392bff4d3b5e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7144a876b79d3586a8adb8cbc73cd0272fca9af6312b08d363226952418d7ca5
[INFO] running `Command { std: "docker" "start" "-a" "7144a876b79d3586a8adb8cbc73cd0272fca9af6312b08d363226952418d7ca5", kill_on_drop: false }`
[INFO] [stderr]    Compiling rfetch-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `content` is never read
[INFO] [stdout]  --> src/main.rs:7:23
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let mut content = String::new();
[INFO] [stdout]   |                       ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: maybe it is overwritten before being read?
[INFO] [stdout]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `var` is never read
[INFO] [stdout]   --> src/main.rs:26:18
[INFO] [stdout]    |
[INFO] [stdout] 26 |    let mut var = String::new();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "7144a876b79d3586a8adb8cbc73cd0272fca9af6312b08d363226952418d7ca5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7144a876b79d3586a8adb8cbc73cd0272fca9af6312b08d363226952418d7ca5", kill_on_drop: false }`
[INFO] [stdout] 7144a876b79d3586a8adb8cbc73cd0272fca9af6312b08d363226952418d7ca5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4976503bc08d14a25494fa4902f5b00811443bc4154eb5af8542cd79e6de9102
[INFO] running `Command { std: "docker" "start" "-a" "4976503bc08d14a25494fa4902f5b00811443bc4154eb5af8542cd79e6de9102", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `content` is never read
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let mut content = String::new();
[INFO] [stderr]   |                       ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: maybe it is overwritten before being read?
[INFO] [stderr]   = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `var` is never read
[INFO] [stderr]   --> src/main.rs:26:18
[INFO] [stderr]    |
[INFO] [stderr] 26 |    let mut var = String::new();
[INFO] [stderr]    |                  ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: `rfetch-rs` (bin "rfetch" 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/rfetch-0f8a940cafd548e6)
[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" "4976503bc08d14a25494fa4902f5b00811443bc4154eb5af8542cd79e6de9102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4976503bc08d14a25494fa4902f5b00811443bc4154eb5af8542cd79e6de9102", kill_on_drop: false }`
[INFO] [stdout] 4976503bc08d14a25494fa4902f5b00811443bc4154eb5af8542cd79e6de9102