[INFO] cloning repository https://github.com/NayamiOR/TruthTablePrinter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NayamiOR/TruthTablePrinter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNayamiOR%2FTruthTablePrinter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNayamiOR%2FTruthTablePrinter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a759ac2c61bea4c14e833be486f2cf4c8f399e38
[INFO] checking NayamiOR/TruthTablePrinter/a759ac2c61bea4c14e833be486f2cf4c8f399e38 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNayamiOR%2FTruthTablePrinter" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NayamiOR/TruthTablePrinter on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NayamiOR/TruthTablePrinter
[INFO] finished tweaking git repo https://github.com/NayamiOR/TruthTablePrinter
[INFO] tweaked toml for git repo https://github.com/NayamiOR/TruthTablePrinter written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/NayamiOR/TruthTablePrinter 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a6e0d89365f57a3e1c4c94b17d280349afccfb45836a096da26e47554ebe683
[INFO] running `Command { std: "docker" "start" "-a" "1a6e0d89365f57a3e1c4c94b17d280349afccfb45836a096da26e47554ebe683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a6e0d89365f57a3e1c4c94b17d280349afccfb45836a096da26e47554ebe683", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a6e0d89365f57a3e1c4c94b17d280349afccfb45836a096da26e47554ebe683", kill_on_drop: false }`
[INFO] [stdout] 1a6e0d89365f57a3e1c4c94b17d280349afccfb45836a096da26e47554ebe683
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail_expr_drop_order" "-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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b81e68d8acf10a6203ffa7133c81bcc0c798ec2efbb833dbb34b6395cfc97ec8
[INFO] running `Command { std: "docker" "start" "-a" "b81e68d8acf10a6203ffa7133c81bcc0c798ec2efbb833dbb34b6395cfc97ec8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking unicode-width v0.1.13
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking boolean v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/stmt.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     Expression{
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 10 |         value: Expr,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dependent_var` is never read
[INFO] [stdout]  --> src/assign_parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AssignParser {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |     pub environment: Environment,
[INFO] [stdout] 8 |     pub dependent_var: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/stmt.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  |     Expression{
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 10 |         value: Expr,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `dependent_var` is never read
[INFO] [stdout]  --> src/assign_parser.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct AssignParser {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |     pub environment: Environment,
[INFO] [stdout] 8 |     pub dependent_var: String,
[INFO] [stdout]   |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.10s
[INFO] running `Command { std: "docker" "inspect" "b81e68d8acf10a6203ffa7133c81bcc0c798ec2efbb833dbb34b6395cfc97ec8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b81e68d8acf10a6203ffa7133c81bcc0c798ec2efbb833dbb34b6395cfc97ec8", kill_on_drop: false }`
[INFO] [stdout] b81e68d8acf10a6203ffa7133c81bcc0c798ec2efbb833dbb34b6395cfc97ec8