[INFO] cloning repository https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cherrett/DFA-Learning-Toolkit-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64adeb8a5ee1ca4204a6a6512330db54f9e1ea7c
[INFO] building Cherrett/DFA-Learning-Toolkit-Rust against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCherrett%2FDFA-Learning-Toolkit-Rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] finished tweaking git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust
[INFO] tweaked toml for git repo https://github.com/Cherrett/DFA-Learning-Toolkit-Rust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Cherrett/DFA-Learning-Toolkit-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" "+334963c956d25708feab489a3816ae63f639355d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc20ac16808794b226aaa3f0e4e59fe2c450de96f082a301723d7655ad1bf7f8
[INFO] running `Command { std: "docker" "start" "-a" "cc20ac16808794b226aaa3f0e4e59fe2c450de96f082a301723d7655ad1bf7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc20ac16808794b226aaa3f0e4e59fe2c450de96f082a301723d7655ad1bf7f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc20ac16808794b226aaa3f0e4e59fe2c450de96f082a301723d7655ad1bf7f8", kill_on_drop: false }`
[INFO] [stdout] cc20ac16808794b226aaa3f0e4e59fe2c450de96f082a301723d7655ad1bf7f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 00d2eb9b63f133b8a7a4771e984e30543ba5c2911901fad6120192cd1f96af22
[INFO] running `Command { std: "docker" "start" "-a" "00d2eb9b63f133b8a7a4771e984e30543ba5c2911901fad6120192cd1f96af22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling tabwriter v1.2.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling dfa_learning_toolkit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dfa_learning_toolkit/state_partition.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let mut original_block = self.blocks[block_id as usize].borrow_mut();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.59s
[INFO] running `Command { std: "docker" "inspect" "00d2eb9b63f133b8a7a4771e984e30543ba5c2911901fad6120192cd1f96af22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00d2eb9b63f133b8a7a4771e984e30543ba5c2911901fad6120192cd1f96af22", kill_on_drop: false }`
[INFO] [stdout] 00d2eb9b63f133b8a7a4771e984e30543ba5c2911901fad6120192cd1f96af22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe538f5e92ef2e6722b0991d9baf25f2ad1a4acb5b8ab567cb4758b14dec0d20
[INFO] running `Command { std: "docker" "start" "-a" "fe538f5e92ef2e6722b0991d9baf25f2ad1a4acb5b8ab567cb4758b14dec0d20", kill_on_drop: false }`
[INFO] [stderr]    Compiling dfa_learning_toolkit v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dfa_learning_toolkit/state_partition.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let mut original_block = self.blocks[block_id as usize].borrow_mut();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/dfa_learning_toolkit/state_partition.rs:396:21
[INFO] [stdout]     |
[INFO] [stdout] 396 |                 let mut original_block = self.blocks[block_id as usize].borrow_mut();
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "fe538f5e92ef2e6722b0991d9baf25f2ad1a4acb5b8ab567cb4758b14dec0d20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe538f5e92ef2e6722b0991d9baf25f2ad1a4acb5b8ab567cb4758b14dec0d20", kill_on_drop: false }`
[INFO] [stdout] fe538f5e92ef2e6722b0991d9baf25f2ad1a4acb5b8ab567cb4758b14dec0d20
