[INFO] cloning repository https://github.com/AbsoluteVirtueXI/lox-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AbsoluteVirtueXI/lox-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Flox-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Flox-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 745ee2d2350ca7f53f2a8624323e0adcace99b65
[INFO] building AbsoluteVirtueXI/lox-interpreter against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAbsoluteVirtueXI%2Flox-interpreter" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AbsoluteVirtueXI/lox-interpreter on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AbsoluteVirtueXI/lox-interpreter
[INFO] finished tweaking git repo https://github.com/AbsoluteVirtueXI/lox-interpreter
[INFO] tweaked toml for git repo https://github.com/AbsoluteVirtueXI/lox-interpreter written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/AbsoluteVirtueXI/lox-interpreter 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 787f1fd9e5fade47f8edb76d51c08787a110b9dc340c017d4d0d0c48fbe8d55a
[INFO] running `Command { std: "docker" "start" "-a" "787f1fd9e5fade47f8edb76d51c08787a110b9dc340c017d4d0d0c48fbe8d55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "787f1fd9e5fade47f8edb76d51c08787a110b9dc340c017d4d0d0c48fbe8d55a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "787f1fd9e5fade47f8edb76d51c08787a110b9dc340c017d4d0d0c48fbe8d55a", kill_on_drop: false }`
[INFO] [stdout] 787f1fd9e5fade47f8edb76d51c08787a110b9dc340c017d4d0d0c48fbe8d55a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2cb2919983d18dd231360c7996ab3ab214a3667ace81f79ca92e4263d09729b
[INFO] running `Command { std: "docker" "start" "-a" "b2cb2919983d18dd231360c7996ab3ab214a3667ace81f79ca92e4263d09729b", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lexer.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     self.scan_identifier();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let _ = self.scan_identifier();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "b2cb2919983d18dd231360c7996ab3ab214a3667ace81f79ca92e4263d09729b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2cb2919983d18dd231360c7996ab3ab214a3667ace81f79ca92e4263d09729b", kill_on_drop: false }`
[INFO] [stdout] b2cb2919983d18dd231360c7996ab3ab214a3667ace81f79ca92e4263d09729b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a756cd97e2eff0911ed4665c5b080725451a6f0724cdbf487d1fb5ce67e8f7a
[INFO] running `Command { std: "docker" "start" "-a" "7a756cd97e2eff0911ed4665c5b080725451a6f0724cdbf487d1fb5ce67e8f7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling lox-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lexer.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     self.scan_identifier();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let _ = self.scan_identifier();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lexer.rs:127:21
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     self.scan_identifier();
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 127 |                     let _ = self.scan_identifier();
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7a756cd97e2eff0911ed4665c5b080725451a6f0724cdbf487d1fb5ce67e8f7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a756cd97e2eff0911ed4665c5b080725451a6f0724cdbf487d1fb5ce67e8f7a", kill_on_drop: false }`
[INFO] [stdout] 7a756cd97e2eff0911ed4665c5b080725451a6f0724cdbf487d1fb5ce67e8f7a
