[INFO] fetching crate solve_string 0.1.1...
[INFO] testing solve_string-0.1.1 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate solve_string 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate solve_string 0.1.1
[INFO] finished tweaking crates.io crate solve_string 0.1.1
[INFO] tweaked toml for crates.io crate solve_string 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate solve_string 0.1.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] c5f6b82432c5ada338ad323c91f376c3051cfeeb7437f234e5c1c3afc7e84e72
[INFO] running `Command { std: "docker" "start" "-a" "c5f6b82432c5ada338ad323c91f376c3051cfeeb7437f234e5c1c3afc7e84e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5f6b82432c5ada338ad323c91f376c3051cfeeb7437f234e5c1c3afc7e84e72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f6b82432c5ada338ad323c91f376c3051cfeeb7437f234e5c1c3afc7e84e72", kill_on_drop: false }`
[INFO] [stdout] c5f6b82432c5ada338ad323c91f376c3051cfeeb7437f234e5c1c3afc7e84e72
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 966a3c9f342ecd6592eb0a4dda3cab08f61a70e7dadb6d5a51826ebd745f687a
[INFO] running `Command { std: "docker" "start" "-a" "966a3c9f342ecd6592eb0a4dda3cab08f61a70e7dadb6d5a51826ebd745f687a", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `before_letter` is never read
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut before_letter= "l";
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "966a3c9f342ecd6592eb0a4dda3cab08f61a70e7dadb6d5a51826ebd745f687a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966a3c9f342ecd6592eb0a4dda3cab08f61a70e7dadb6d5a51826ebd745f687a", kill_on_drop: false }`
[INFO] [stdout] 966a3c9f342ecd6592eb0a4dda3cab08f61a70e7dadb6d5a51826ebd745f687a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 0aa2a11c1a84dfaa89d30c7e54f4bb0d7be8a86e7174086f6e23ffd625bf76e5
[INFO] running `Command { std: "docker" "start" "-a" "0aa2a11c1a84dfaa89d30c7e54f4bb0d7be8a86e7174086f6e23ffd625bf76e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling solve_string v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `before_letter` is never read
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut before_letter= "l";
[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 `before_letter` is never read
[INFO] [stdout]   --> src/lib.rs:11:32
[INFO] [stdout]    |
[INFO] [stdout] 11 |         let mut before_letter= "l";
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "0aa2a11c1a84dfaa89d30c7e54f4bb0d7be8a86e7174086f6e23ffd625bf76e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0aa2a11c1a84dfaa89d30c7e54f4bb0d7be8a86e7174086f6e23ffd625bf76e5", kill_on_drop: false }`
[INFO] [stdout] 0aa2a11c1a84dfaa89d30c7e54f4bb0d7be8a86e7174086f6e23ffd625bf76e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 6c1f2d5ce60fa3dbb871dd12fbc235d12f657b55516e595002e0531ede460a04
[INFO] running `Command { std: "docker" "start" "-a" "6c1f2d5ce60fa3dbb871dd12fbc235d12f657b55516e595002e0531ede460a04", kill_on_drop: false }`
[INFO] [stderr] warning: value assigned to `before_letter` is never read
[INFO] [stderr]   --> src/lib.rs:11:32
[INFO] [stderr]    |
[INFO] [stderr] 11 |         let mut before_letter= "l";
[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: `solve_string` (lib) generated 1 warning
[INFO] [stderr] warning: `solve_string` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solve_string-c675c52b08556496)
[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] [stderr]    Doc-tests solve_string
[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" "6c1f2d5ce60fa3dbb871dd12fbc235d12f657b55516e595002e0531ede460a04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1f2d5ce60fa3dbb871dd12fbc235d12f657b55516e595002e0531ede460a04", kill_on_drop: false }`
[INFO] [stdout] 6c1f2d5ce60fa3dbb871dd12fbc235d12f657b55516e595002e0531ede460a04
