[INFO] fetching crate lattescript 0.1.2...
[INFO] checking lattescript-0.1.2 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate lattescript 0.1.2 into /workspace/builds/worker-17/source
[INFO] validating manifest of crates.io crate lattescript 0.1.2 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lattescript 0.1.2
[INFO] finished tweaking crates.io crate lattescript 0.1.2
[INFO] tweaked toml for crates.io crate lattescript 0.1.2 written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate crates.io crate lattescript 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b55582e591204787125f3b489d7d4aa9f3a22a074f95d5e9eb0bac0b36e8531b
[INFO] running `Command { std: "docker" "start" "-a" "b55582e591204787125f3b489d7d4aa9f3a22a074f95d5e9eb0bac0b36e8531b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b55582e591204787125f3b489d7d4aa9f3a22a074f95d5e9eb0bac0b36e8531b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b55582e591204787125f3b489d7d4aa9f3a22a074f95d5e9eb0bac0b36e8531b", kill_on_drop: false }`
[INFO] [stdout] b55582e591204787125f3b489d7d4aa9f3a22a074f95d5e9eb0bac0b36e8531b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84fac6b9236e673808c624ae476f85764cc648e8ad1c645ab8dc5e49894ba591
[INFO] running `Command { std: "docker" "start" "-a" "84fac6b9236e673808c624ae476f85764cc648e8ad1c645ab8dc5e49894ba591", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking lattescript v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Error`, `die`
[INFO] [stdout]  --> src/lexer/mod.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{messagehandle::{die, Error}, internal::*};
[INFO] [stdout]   |                             ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Token::Type`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lexer::Token::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::Token`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lexer::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `die`
[INFO] [stdout]  --> src/lexer/mod.rs:2:29
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::{messagehandle::{die, Error}, internal::*};
[INFO] [stdout]   |                             ^^^  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::lexer::Token::Type`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::lexer::Token::Type;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lexer::Token`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use lexer::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lexerout`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let lexerout = lexer::lex("<+ - */ / 12838 7374< +-29/ / + <128 /4 / * + -23");
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lexerout`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lstint`
[INFO] [stdout]   --> src/lexer/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut lstint: i32 = 0;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lstint`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut line: i32 = 1;
[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/lexer/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut returned = ident(x.to_string(), line);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lstint`
[INFO] [stdout]   --> src/lexer/mod.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut lstint: i32 = 0;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_lstint`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut lstint: i32 = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `N`
[INFO] [stdout]   --> src/lexer/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     N,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/lexer/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubVector`
[INFO] [stdout]   --> src/lexer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SubVector(Vec<Types>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]   --> src/lexer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     F
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnParsedCode`
[INFO] [stdout]  --> src/messagehandle.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnParsedCode,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]  --> src/messagehandle.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Other,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/messagehandle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/messagehandle.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Info`
[INFO] [stdout]   --> src/messagehandle.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `die`
[INFO] [stdout]   --> src/messagehandle.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn die(err_type: Error, line: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_message`
[INFO] [stdout]   --> src/messagehandle.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn handle_message(msg_type: MessageType, err_type: Error, line: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let mut line: i32 = 1;
[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/lexer/mod.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 37 |         let mut returned = ident(x.to_string(), line);
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut lstint: i32 = 0;
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `N`
[INFO] [stdout]   --> src/lexer/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     N,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `String`
[INFO] [stdout]   --> src/lexer/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     String(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Float`
[INFO] [stdout]   --> src/lexer/mod.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 |     Float(f64),
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `SubVector`
[INFO] [stdout]   --> src/lexer/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     SubVector(Vec<Types>),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `F`
[INFO] [stdout]   --> src/lexer/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     F
[INFO] [stdout]    |     ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `UnParsedCode`
[INFO] [stdout]  --> src/messagehandle.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     UnParsedCode,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Other`
[INFO] [stdout]  --> src/messagehandle.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     Other,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Error`
[INFO] [stdout]   --> src/messagehandle.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Warning`
[INFO] [stdout]   --> src/messagehandle.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Warning,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Info`
[INFO] [stdout]   --> src/messagehandle.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Info,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `die`
[INFO] [stdout]   --> src/messagehandle.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub fn die(err_type: Error, line: i32) {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `handle_message`
[INFO] [stdout]   --> src/messagehandle.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn handle_message(msg_type: MessageType, err_type: Error, line: i32) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.82s
[INFO] running `Command { std: "docker" "inspect" "84fac6b9236e673808c624ae476f85764cc648e8ad1c645ab8dc5e49894ba591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84fac6b9236e673808c624ae476f85764cc648e8ad1c645ab8dc5e49894ba591", kill_on_drop: false }`
[INFO] [stdout] 84fac6b9236e673808c624ae476f85764cc648e8ad1c645ab8dc5e49894ba591