[INFO] cloning repository https://github.com/4Christinelh4/Rust-notes
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/4Christinelh4/Rust-notes" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4Christinelh4%2FRust-notes", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4Christinelh4%2FRust-notes'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4f8d65a944eccce632917c392b962048f5e8c43
[INFO] testing 4Christinelh4/Rust-notes against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F4Christinelh4%2FRust-notes" "/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/4Christinelh4/Rust-notes
[INFO] finished tweaking git repo https://github.com/4Christinelh4/Rust-notes
[INFO] tweaked toml for git repo https://github.com/4Christinelh4/Rust-notes written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/4Christinelh4/Rust-notes on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/4Christinelh4/Rust-notes 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c888edfebdf0f45d01a30b6ae43ff9a8ca12a36fa0044e4e3d9bbdf6da5dca9
[INFO] running `Command { std: "docker" "start" "-a" "3c888edfebdf0f45d01a30b6ae43ff9a8ca12a36fa0044e4e3d9bbdf6da5dca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c888edfebdf0f45d01a30b6ae43ff9a8ca12a36fa0044e4e3d9bbdf6da5dca9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c888edfebdf0f45d01a30b6ae43ff9a8ca12a36fa0044e4e3d9bbdf6da5dca9", kill_on_drop: false }`
[INFO] [stdout] 3c888edfebdf0f45d01a30b6ae43ff9a8ca12a36fa0044e4e3d9bbdf6da5dca9
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a5fd10849dd4df1e4aadfda72355ccf95f25ce728feec81e71ee8d7556ff6ae
[INFO] running `Command { std: "docker" "start" "-a" "9a5fd10849dd4df1e4aadfda72355ccf95f25ce728feec81e71ee8d7556ff6ae", kill_on_drop: false }`
[INFO] [stderr]    Compiling explaination_about_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut c = "Rust string";
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "9a5fd10849dd4df1e4aadfda72355ccf95f25ce728feec81e71ee8d7556ff6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5fd10849dd4df1e4aadfda72355ccf95f25ce728feec81e71ee8d7556ff6ae", kill_on_drop: false }`
[INFO] [stdout] 9a5fd10849dd4df1e4aadfda72355ccf95f25ce728feec81e71ee8d7556ff6ae
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1345561e8b5c9c66336d935cfe9c1d0aa87b7a79157ce8ea7d30598e29a0844b
[INFO] running `Command { std: "docker" "start" "-a" "1345561e8b5c9c66336d935cfe9c1d0aa87b7a79157ce8ea7d30598e29a0844b", kill_on_drop: false }`
[INFO] [stderr]    Compiling explaination_about_str v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `c` is never read
[INFO] [stdout]   --> src/main.rs:38:13
[INFO] [stdout]    |
[INFO] [stdout] 38 |     let mut c = "Rust string";
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "1345561e8b5c9c66336d935cfe9c1d0aa87b7a79157ce8ea7d30598e29a0844b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1345561e8b5c9c66336d935cfe9c1d0aa87b7a79157ce8ea7d30598e29a0844b", kill_on_drop: false }`
[INFO] [stdout] 1345561e8b5c9c66336d935cfe9c1d0aa87b7a79157ce8ea7d30598e29a0844b
[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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c6157978093b50c0451810ab0d54f1b72dfde6e0daa93da218ff2cdfa7df77b6
[INFO] running `Command { std: "docker" "start" "-a" "c6157978093b50c0451810ab0d54f1b72dfde6e0daa93da218ff2cdfa7df77b6", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `c` is never read
[INFO] [stderr]   --> src/main.rs:38:13
[INFO] [stderr]    |
[INFO] [stderr] 38 |     let mut c = "Rust string";
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `explaination_about_str` (bin "explaination_about_str" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/explaination_about_str-b5ba9998cf3644bf)
[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" "c6157978093b50c0451810ab0d54f1b72dfde6e0daa93da218ff2cdfa7df77b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6157978093b50c0451810ab0d54f1b72dfde6e0daa93da218ff2cdfa7df77b6", kill_on_drop: false }`
[INFO] [stdout] c6157978093b50c0451810ab0d54f1b72dfde6e0daa93da218ff2cdfa7df77b6
