[INFO] cloning repository https://github.com/JMPJNS/cringe-script
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JMPJNS/cringe-script" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJMPJNS%2Fcringe-script", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJMPJNS%2Fcringe-script'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a670c15666aa626d12403671ca89dab2f19e934
[INFO] building JMPJNS/cringe-script 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%2FJMPJNS%2Fcringe-script" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JMPJNS/cringe-script 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/JMPJNS/cringe-script
[INFO] finished tweaking git repo https://github.com/JMPJNS/cringe-script
[INFO] tweaked toml for git repo https://github.com/JMPJNS/cringe-script written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JMPJNS/cringe-script 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 45c4e7471257b28c588f1d5e35b0c05a3e8f6a270c01d7ef1b4825f0c14aa70b
[INFO] running `Command { std: "docker" "start" "-a" "45c4e7471257b28c588f1d5e35b0c05a3e8f6a270c01d7ef1b4825f0c14aa70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45c4e7471257b28c588f1d5e35b0c05a3e8f6a270c01d7ef1b4825f0c14aa70b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45c4e7471257b28c588f1d5e35b0c05a3e8f6a270c01d7ef1b4825f0c14aa70b", kill_on_drop: false }`
[INFO] [stdout] 45c4e7471257b28c588f1d5e35b0c05a3e8f6a270c01d7ef1b4825f0c14aa70b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] efb159b622aeb0d29456da41fe7cdefded9787133f48fdd9d794a7eb6437d1fb
[INFO] running `Command { std: "docker" "start" "-a" "efb159b622aeb0d29456da41fe7cdefded9787133f48fdd9d794a7eb6437d1fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling cringe-script v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use token::{TokenType, Token};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut lexer = lexer::Lexer::new(input.to_string());
[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: trait `Node` is more private than the item `Statement`
[INFO] [stdout]   --> src/ast.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Statement: Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ trait `Statement` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/ast.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | trait Node {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is more private than the item `Expression`
[INFO] [stdout]   --> src/ast.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Expression: Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ trait `Expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/ast.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | trait Node {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `statement_node` is never used
[INFO] [stdout]   --> src/ast.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Statement: Node {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 16 |     fn statement_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> src/ast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 25 |     fn expression_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `value` are never read
[INFO] [stdout]   --> src/ast.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Identifier {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 48 |     pub token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 49 |     pub value: String
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Identifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct LetStatement {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub value: Option<Box<dyn Expression>>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStatement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "efb159b622aeb0d29456da41fe7cdefded9787133f48fdd9d794a7eb6437d1fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efb159b622aeb0d29456da41fe7cdefded9787133f48fdd9d794a7eb6437d1fb", kill_on_drop: false }`
[INFO] [stdout] efb159b622aeb0d29456da41fe7cdefded9787133f48fdd9d794a7eb6437d1fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 73dff1a1b8dbd4b74a1557505b7dff1273f39b44930c87ca29c258e838ea8875
[INFO] running `Command { std: "docker" "start" "-a" "73dff1a1b8dbd4b74a1557505b7dff1273f39b44930c87ca29c258e838ea8875", kill_on_drop: false }`
[INFO] [stderr]    Compiling cringe-script v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                           ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/main.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 | use token::{TokenType, Token};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut lexer = lexer::Lexer::new(input.to_string());
[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: trait `Node` is more private than the item `Statement`
[INFO] [stdout]   --> src/ast.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Statement: Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^ trait `Statement` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/ast.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | trait Node {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_bounds)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Node` is more private than the item `Expression`
[INFO] [stdout]   --> src/ast.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Expression: Node {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^ trait `Expression` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but trait `Node` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/ast.rs:6:1
[INFO] [stdout]    |
[INFO] [stdout] 6  | trait Node {
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `statement_node` is never used
[INFO] [stdout]   --> src/ast.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Statement: Node {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 16 |     fn statement_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> src/ast.rs:25:8
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 25 |     fn expression_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `token` and `value` are never read
[INFO] [stdout]   --> src/ast.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub struct Identifier {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 48 |     pub token: Token,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 49 |     pub value: String
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Identifier` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct LetStatement {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub value: Option<Box<dyn Expression>>
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LetStatement` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "73dff1a1b8dbd4b74a1557505b7dff1273f39b44930c87ca29c258e838ea8875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73dff1a1b8dbd4b74a1557505b7dff1273f39b44930c87ca29c258e838ea8875", kill_on_drop: false }`
[INFO] [stdout] 73dff1a1b8dbd4b74a1557505b7dff1273f39b44930c87ca29c258e838ea8875