Nov 30 01:26:31.978 INFO checking ironlang/iron against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 01:26:31.978 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 01:26:32.426 INFO [stdout] 447ce1302d1adc07d7365ad809f6179859338f2cb43f99fa9d00a3b785d69f34
Nov 30 01:26:32.428 INFO running `"docker" "start" "-a" "447ce1302d1adc07d7365ad809f6179859338f2cb43f99fa9d00a3b785d69f34"`
Nov 30 01:26:34.412 INFO [stderr] usermod: no changes
Nov 30 01:26:34.664 INFO [stderr]    Compiling cranelift-entity v0.25.0
Nov 30 01:26:34.696 INFO [stderr]    Compiling ryu v0.2.7
Nov 30 01:26:34.725 INFO [stderr]     Checking failure v0.1.3
Nov 30 01:26:36.583 INFO [stderr]    Compiling serde_json v1.0.33
Nov 30 01:26:36.890 INFO [stderr]     Checking cranelift-bforest v0.25.0
Nov 30 01:26:36.969 INFO [stderr]    Compiling cranelift-codegen-meta v0.25.0
Nov 30 01:26:40.904 INFO [stderr]    Compiling cranelift-codegen v0.25.0
Nov 30 01:26:46.477 INFO [stderr]    Compiling target-lexicon v0.2.0
Nov 30 01:27:00.924 INFO [stderr]     Checking cranelift-frontend v0.25.0
Nov 30 01:27:02.041 INFO [stderr]     Checking iron v0.0.1 (/source)
Nov 30 01:27:03.704 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:03.704 INFO [stderr]  --> src/iron/codegen.rs:4:5
Nov 30 01:27:03.704 INFO [stderr]   |
Nov 30 01:27:03.704 INFO [stderr] 4 | use std::fs::File;
Nov 30 01:27:03.705 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:03.705 INFO [stderr]   |
Nov 30 01:27:03.705 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:03.705 INFO [stderr] 
Nov 30 01:27:03.706 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:03.706 INFO [stderr]  --> src/iron/codegen.rs:5:5
Nov 30 01:27:03.706 INFO [stderr]   |
Nov 30 01:27:03.706 INFO [stderr] 5 | use std::io::prelude::*;
Nov 30 01:27:03.707 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.707 INFO [stderr] 
Nov 30 01:27:03.708 INFO [stderr] warning: unused import: `iron::token::Token`
Nov 30 01:27:03.708 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:03.708 INFO [stderr]   |
Nov 30 01:27:03.709 INFO [stderr] 8 | use iron::token::Token;
Nov 30 01:27:03.709 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.709 INFO [stderr] 
Nov 30 01:27:03.709 INFO [stderr] warning: unused import: `iron::expression::Expression`
Nov 30 01:27:03.710 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:27:03.710 INFO [stderr]   |
Nov 30 01:27:03.710 INFO [stderr] 9 | use iron::expression::Expression;
Nov 30 01:27:03.711 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.711 INFO [stderr] 
Nov 30 01:27:03.882 INFO [stderr] warning: unused import: `std::fs::File`
Nov 30 01:27:03.882 INFO [stderr]  --> src/iron/codegen.rs:4:5
Nov 30 01:27:03.882 INFO [stderr]   |
Nov 30 01:27:03.882 INFO [stderr] 4 | use std::fs::File;
Nov 30 01:27:03.882 INFO [stderr]   |     ^^^^^^^^^^^^^
Nov 30 01:27:03.882 INFO [stderr]   |
Nov 30 01:27:03.882 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:27:03.882 INFO [stderr] 
Nov 30 01:27:03.882 INFO [stderr] warning: unused import: `std::io::prelude::*`
Nov 30 01:27:03.882 INFO [stderr]  --> src/iron/codegen.rs:5:5
Nov 30 01:27:03.882 INFO [stderr]   |
Nov 30 01:27:03.882 INFO [stderr] 5 | use std::io::prelude::*;
Nov 30 01:27:03.882 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.882 INFO [stderr] 
Nov 30 01:27:03.883 INFO [stderr] warning: unused import: `iron::token::Token`
Nov 30 01:27:03.883 INFO [stderr]  --> src/main.rs:8:5
Nov 30 01:27:03.883 INFO [stderr]   |
Nov 30 01:27:03.883 INFO [stderr] 8 | use iron::token::Token;
Nov 30 01:27:03.883 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.883 INFO [stderr] 
Nov 30 01:27:03.883 INFO [stderr] warning: unused import: `iron::expression::Expression`
Nov 30 01:27:03.883 INFO [stderr]  --> src/main.rs:9:5
Nov 30 01:27:03.883 INFO [stderr]   |
Nov 30 01:27:03.883 INFO [stderr] 9 | use iron::expression::Expression;
Nov 30 01:27:03.883 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 01:27:03.883 INFO [stderr] 
Nov 30 01:27:03.968 INFO [stderr] warning: unused variable: `source`
Nov 30 01:27:03.968 INFO [stderr]   --> src/main.rs:24:17
Nov 30 01:27:03.968 INFO [stderr]    |
Nov 30 01:27:03.968 INFO [stderr] 24 |     if let Some(source) = matches.value_of("INPUT") {
Nov 30 01:27:03.969 INFO [stderr]    |                 ^^^^^^ help: consider using `_source` instead
Nov 30 01:27:03.969 INFO [stderr]    |
Nov 30 01:27:03.969 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:27:03.969 INFO [stderr] 
Nov 30 01:27:04.100 INFO [stderr] warning: unused variable: `source`
Nov 30 01:27:04.100 INFO [stderr]   --> src/main.rs:24:17
Nov 30 01:27:04.101 INFO [stderr]    |
Nov 30 01:27:04.101 INFO [stderr] 24 |     if let Some(source) = matches.value_of("INPUT") {
Nov 30 01:27:04.101 INFO [stderr]    |                 ^^^^^^ help: consider using `_source` instead
Nov 30 01:27:04.101 INFO [stderr]    |
Nov 30 01:27:04.102 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 01:27:04.102 INFO [stderr] 
Nov 30 01:27:04.245 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.81s
Nov 30 01:27:04.252 INFO [stderr] su: No module specific data is present
Nov 30 01:27:05.843 INFO running `"docker" "inspect" "447ce1302d1adc07d7365ad809f6179859338f2cb43f99fa9d00a3b785d69f34"`
Nov 30 01:27:06.208 INFO running `"docker" "rm" "-f" "447ce1302d1adc07d7365ad809f6179859338f2cb43f99fa9d00a3b785d69f34"`
Nov 30 01:27:06.608 INFO [stdout] 447ce1302d1adc07d7365ad809f6179859338f2cb43f99fa9d00a3b785d69f34