[INFO] cloning repository https://github.com/thekauer/fsc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thekauer/fsc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekauer%2Ffsc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekauer%2Ffsc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a708173d80f18b3ea2532614ad910a5581dbbb1
[INFO] building thekauer/fsc against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthekauer%2Ffsc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/thekauer/fsc on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/thekauer/fsc
[INFO] finished tweaking git repo https://github.com/thekauer/fsc
[INFO] tweaked toml for git repo https://github.com/thekauer/fsc written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/thekauer/fsc 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1da474d9e1220b93b1d74a2bfb3279fcd3d0562f107f07911ea42f905b00c8c2
[INFO] running `Command { std: "docker" "start" "-a" "1da474d9e1220b93b1d74a2bfb3279fcd3d0562f107f07911ea42f905b00c8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1da474d9e1220b93b1d74a2bfb3279fcd3d0562f107f07911ea42f905b00c8c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1da474d9e1220b93b1d74a2bfb3279fcd3d0562f107f07911ea42f905b00c8c2", kill_on_drop: false }`
[INFO] [stdout] 1da474d9e1220b93b1d74a2bfb3279fcd3d0562f107f07911ea42f905b00c8c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 735afbb51832c40baac0e35e54cf0e27f3f744b43e6d4f5852658aa023cf3166
[INFO] running `Command { std: "docker" "start" "-a" "735afbb51832c40baac0e35e54cf0e27f3f744b43e6d4f5852658aa023cf3166", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling nom v7.1.1
[INFO] [stderr]    Compiling fsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `multispace0` and `newline`
[INFO] [stdout]  --> src/lexer/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{alpha1, alphanumeric1, newline, digit1, multispace0, line_ending, space0, one_of},
[INFO] [stdout]   |                                                  ^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 20 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     Times,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     Modulo,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     NotEqual,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     LessThanEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     GreaterThan,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     GreaterThanEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "735afbb51832c40baac0e35e54cf0e27f3f744b43e6d4f5852658aa023cf3166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "735afbb51832c40baac0e35e54cf0e27f3f744b43e6d4f5852658aa023cf3166", kill_on_drop: false }`
[INFO] [stdout] 735afbb51832c40baac0e35e54cf0e27f3f744b43e6d4f5852658aa023cf3166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a0e2c1ca0ea2d4f896b4b21b291659780cfcb303906cb3e8a5bd64bb7641ea1
[INFO] running `Command { std: "docker" "start" "-a" "1a0e2c1ca0ea2d4f896b4b21b291659780cfcb303906cb3e8a5bd64bb7641ea1", kill_on_drop: false }`
[INFO] [stderr]    Compiling fsc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `multispace0` and `newline`
[INFO] [stdout]  --> src/lexer/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     character::complete::{alpha1, alphanumeric1, newline, digit1, multispace0, line_ending, space0, one_of},
[INFO] [stdout]   |                                                  ^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lexer/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Operator {
[INFO] [stdout]    |          -------- variants in this enum
[INFO] [stdout] 20 |     Plus,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 21 |     Minus,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 22 |     Times,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 23 |     Divide,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 24 |     Modulo,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 25 |     Equal,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     NotEqual,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 27 |     LessThan,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 28 |     LessThanEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     GreaterThan,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 30 |     GreaterThanEqual,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |     And,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 32 |     Or,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Operator` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "1a0e2c1ca0ea2d4f896b4b21b291659780cfcb303906cb3e8a5bd64bb7641ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0e2c1ca0ea2d4f896b4b21b291659780cfcb303906cb3e8a5bd64bb7641ea1", kill_on_drop: false }`
[INFO] [stdout] 1a0e2c1ca0ea2d4f896b4b21b291659780cfcb303906cb3e8a5bd64bb7641ea1