[INFO] cloning repository https://github.com/sepehrshz82/compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sepehrshz82/compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepehrshz82%2Fcompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepehrshz82%2Fcompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af35f1d9238143c71c5c30cb023b456e335f88c2
[INFO] checking sepehrshz82/compiler against try#3652eaba14e5de752eaa5a8ffcac7132f9244f07 for pr-139272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsepehrshz82%2Fcompiler" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sepehrshz82/compiler on toolchain 3652eaba14e5de752eaa5a8ffcac7132f9244f07
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sepehrshz82/compiler
[INFO] finished tweaking git repo https://github.com/sepehrshz82/compiler
[INFO] tweaked toml for git repo https://github.com/sepehrshz82/compiler written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/sepehrshz82/compiler 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" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded display_tree_derive v1.0.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.80
[INFO] [stderr]   Downloaded display_tree v1.1.2
[INFO] [stderr]   Downloaded slab_tree v0.3.2
[INFO] [stderr]   Downloaded syn v2.0.59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31ce725ea169721a1416ffec6dab4d52b297e44d938dc5becc80f6036bded346
[INFO] running `Command { std: "docker" "start" "-a" "31ce725ea169721a1416ffec6dab4d52b297e44d938dc5becc80f6036bded346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31ce725ea169721a1416ffec6dab4d52b297e44d938dc5becc80f6036bded346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31ce725ea169721a1416ffec6dab4d52b297e44d938dc5becc80f6036bded346", kill_on_drop: false }`
[INFO] [stdout] 31ce725ea169721a1416ffec6dab4d52b297e44d938dc5becc80f6036bded346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+3652eaba14e5de752eaa5a8ffcac7132f9244f07" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c38d05d096cfadae70c4ff30af830c672d8aee52bf69d3f167ae16eb9ecfb98
[INFO] running `Command { std: "docker" "start" "-a" "4c38d05d096cfadae70c4ff30af830c672d8aee52bf69d3f167ae16eb9ecfb98", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.80
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.15
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking snowflake v1.3.0
[INFO] [stderr]     Checking slab_tree v0.3.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.59
[INFO] [stderr]    Compiling display_tree_derive v1.0.3
[INFO] [stderr]    Compiling strum_macros v0.26.2
[INFO] [stderr]     Checking display_tree v1.1.2
[INFO] [stderr]     Checking strum v0.26.2
[INFO] [stderr]     Checking compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `isize` and `sync::mpsc::channel`
[INFO] [stdout]  --> src/semantic.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, i32, isize, sync::mpsc::channel, u32, usize};
[INFO] [stdout]   |                                      ^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token` and `self`
[INFO] [stdout]  --> src/semantic.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     token::{self, Token, TokenType},
[INFO] [stdout]   |             ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `isize` and `sync::mpsc::channel`
[INFO] [stdout]  --> src/semantic.rs:1:38
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, i32, isize, sync::mpsc::channel, u32, usize};
[INFO] [stdout]   |                                      ^^^^^  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Token` and `self`
[INFO] [stdout]  --> src/semantic.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     token::{self, Token, TokenType},
[INFO] [stdout]   |             ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/semantic.rs:230:15
[INFO] [stdout]     |
[INFO] [stdout] 228 |             TokenType::T_ROp_L
[INFO] [stdout]     |             ------------------ matches all the relevant values
[INFO] [stdout] 229 |             | TokenType::T_ROp_G
[INFO] [stdout] 230 |             | TokenType::T_ROp_L
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/semantic.rs:231:15
[INFO] [stdout]     |
[INFO] [stdout] 229 |             | TokenType::T_ROp_G
[INFO] [stdout]     |               ------------------ matches all the relevant values
[INFO] [stdout] 230 |             | TokenType::T_ROp_L
[INFO] [stdout] 231 |             | TokenType::T_ROp_G
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_types` is never used
[INFO] [stdout]    --> src/semantic.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn find_types(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/semantic.rs:230:15
[INFO] [stdout]     |
[INFO] [stdout] 228 |             TokenType::T_ROp_L
[INFO] [stdout]     |             ------------------ matches all the relevant values
[INFO] [stdout] 229 |             | TokenType::T_ROp_G
[INFO] [stdout] 230 |             | TokenType::T_ROp_L
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/semantic.rs:231:15
[INFO] [stdout]     |
[INFO] [stdout] 229 |             | TokenType::T_ROp_G
[INFO] [stdout]     |               ------------------ matches all the relevant values
[INFO] [stdout] 230 |             | TokenType::T_ROp_L
[INFO] [stdout] 231 |             | TokenType::T_ROp_G
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `find_types` is never used
[INFO] [stdout]    --> src/semantic.rs:201:4
[INFO] [stdout]     |
[INFO] [stdout] 201 | fn find_types(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.19s
[INFO] running `Command { std: "docker" "inspect" "4c38d05d096cfadae70c4ff30af830c672d8aee52bf69d3f167ae16eb9ecfb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c38d05d096cfadae70c4ff30af830c672d8aee52bf69d3f167ae16eb9ecfb98", kill_on_drop: false }`
[INFO] [stdout] 4c38d05d096cfadae70c4ff30af830c672d8aee52bf69d3f167ae16eb9ecfb98