[INFO] fetching crate rfetch-rs 0.1.0...
[INFO] testing rfetch-rs-0.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate rfetch-rs 0.1.0 into /workspace/builds/worker-6-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rfetch-rs 0.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdc56a7fac22f3723ac589291a54526b6d241c3f811814b4a649452359da25fe
[INFO] running `Command { std: "docker" "start" "-a" "bdc56a7fac22f3723ac589291a54526b6d241c3f811814b4a649452359da25fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdc56a7fac22f3723ac589291a54526b6d241c3f811814b4a649452359da25fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdc56a7fac22f3723ac589291a54526b6d241c3f811814b4a649452359da25fe", kill_on_drop: false }`
[INFO] [stdout] bdc56a7fac22f3723ac589291a54526b6d241c3f811814b4a649452359da25fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d50cc8e8b7ff60871950db687290002241024f2859cc4aa98e580e9c13c7bad
[INFO] running `Command { std: "docker" "start" "-a" "6d50cc8e8b7ff60871950db687290002241024f2859cc4aa98e580e9c13c7bad", 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 0.38s
[INFO] running `Command { std: "docker" "inspect" "6d50cc8e8b7ff60871950db687290002241024f2859cc4aa98e580e9c13c7bad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d50cc8e8b7ff60871950db687290002241024f2859cc4aa98e580e9c13c7bad", kill_on_drop: false }`
[INFO] [stdout] 6d50cc8e8b7ff60871950db687290002241024f2859cc4aa98e580e9c13c7bad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b52a73c1451f72c39387eff69d15c0d71abe6b3c4a38f43e05305993b7f4fdb5
[INFO] running `Command { std: "docker" "start" "-a" "b52a73c1451f72c39387eff69d15c0d71abe6b3c4a38f43e05305993b7f4fdb5", 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 0.19s
[INFO] running `Command { std: "docker" "inspect" "b52a73c1451f72c39387eff69d15c0d71abe6b3c4a38f43e05305993b7f4fdb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b52a73c1451f72c39387eff69d15c0d71abe6b3c4a38f43e05305993b7f4fdb5", kill_on_drop: false }`
[INFO] [stdout] b52a73c1451f72c39387eff69d15c0d71abe6b3c4a38f43e05305993b7f4fdb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9ac572a142310c4be2baa871fc05fff5b089e22b091b82a81148c730def8a1b2
[INFO] running `Command { std: "docker" "start" "-a" "9ac572a142310c4be2baa871fc05fff5b089e22b091b82a81148c730def8a1b2", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `content` is never read
[INFO] [stdout] 
[INFO] [stderr]  --> src/main.rs:7:23
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr] 7 |     let mut content = String::new();
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]   |                       ^^^^^^^^^^^^^
[INFO] [stdout] 
[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 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rfetch-0f8a940cafd548e6)
[INFO] running `Command { std: "docker" "inspect" "9ac572a142310c4be2baa871fc05fff5b089e22b091b82a81148c730def8a1b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ac572a142310c4be2baa871fc05fff5b089e22b091b82a81148c730def8a1b2", kill_on_drop: false }`
[INFO] [stdout] 9ac572a142310c4be2baa871fc05fff5b089e22b091b82a81148c730def8a1b2